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FuransBenzofuransDioxinsFuraldehydeCycloaddition ReactionCyclizationAnisolesAldehydesNitrofuransBenzamidinesPolychlorinated BiphenylsBromobenzenesRhodiumStereoisomerismMolecular StructureDiterpenes, ClerodaneAdenoma, Bile DuctAlkynesTetrachlorodibenzodioxinEnvironmental PolicyEnvironmental PollutionEnvironmentUnited States Environmental Protection AgencyConservation of Natural ResourcesEnvironmental HealthWaterIncinerationWord Association TestsSemanticsPhoneticsSpeech AcousticsSpeech PerceptionSpeechIndustrial MicrobiologyEnvironmental PollutantsBiofuelsPublic OpinionPublic HealthPhylogenyMolecular Sequence DataGene Regulatory NetworksAcetoneMixed Function OxygenasesButylene GlycolsOxygenasesXanthinePentosyltransferasesLeishmania donovaniEquipment ContaminationNewsDrug Contamination
Furans
Compounds with a 5-membered ring of four carbons and an oxygen. They are aromatic heterocycles. The reduced form is tetrahydrofuran.
Benzofurans
Compounds that contain a BENZENE ring fused to a furan ring.
Dioxins
Chlorinated hydrocarbons containing heteroatoms that are present as contaminants of herbicides. Dioxins are carcinogenic, teratogenic, and mutagenic. They have been banned from use by the FDA.
Furaldehyde
Cycloaddition Reaction
Synthetic organic reactions that use reactions between unsaturated molecules to form cyclical products.
Cyclization
Changing an open-chain hydrocarbon to a closed ring. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed)
Anisoles
A group of compounds that are derivatives of methoxybenzene and contain the general formula R-C7H7O.
Aldehydes
Organic compounds containing a carbonyl group in the form -CHO.
Nitrofurans
Benzamidines
Amidines substituted with a benzene group. Benzamidine and its derivatives are known as peptidase inhibitors.
Polychlorinated Biphenyls
Industrial products consisting of a mixture of chlorinated biphenyl congeners and isomers. These compounds are highly lipophilic and tend to accumulate in fat stores of animals. Many of these compounds are considered toxic and potential environmental pollutants.
Bromobenzenes
Derivatives of benzene in which one or more hydrogen atoms on the benzene ring are replaced by bromine atoms.
Rhodium
Rhodium. A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh. (Dorland, 28th ed)
Stereoisomerism
The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed)
Molecular Structure
The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.
Diterpenes, Clerodane
A group of DITERPENES cyclized into 2-rings with a side-chain.
Adenoma, Bile Duct
A benign tumor of the intrahepatic bile ducts.
Alkynes
Hydrocarbons with at least one triple bond in the linear portion, of the general formula Cn-H2n-2.
Tetrachlorodibenzodioxin
A chemical by-product that results from burning or incinerating chlorinated industrial chemicals and other hydrocarbons. This compound is considered an environmental toxin, and may pose reproductive, as well as, other health risks for animals and humans.
Environmental Policy
A course of action or principle adopted or proposed by a government, party, business, or individual that concerns human interactions with nature and natural resources.
Environmental Pollution
Contamination of the air, bodies of water, or land with substances that are harmful to human health and the environment.
Environment
The external elements and conditions which surround, influence, and affect the life and development of an organism or population.
United States Environmental Protection Agency
An agency in the Executive Branch of the Federal Government. It was created as an independent regulatory agency responsible for the implementation of federal laws designed to protect the environment. Its mission is to protect human health and the ENVIRONMENT.
Conservation of Natural Resources
The protection, preservation, restoration, and rational use of all resources in the total environment.
Environmental Health
The science of controlling or modifying those conditions, influences, or forces surrounding man which relate to promoting, establishing, and maintaining health.
Water
A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Incineration
High temperature destruction of waste by burning with subsequent reduction to ashes or conversion to an inert mass.
Word Association Tests
Lists of words to which individuals are asked to respond ascertaining the conceptual meaning held by the individual.
Semantics
The relationships between symbols and their meanings.
Phonetics
The science or study of speech sounds and their production, transmission, and reception, and their analysis, classification, and transcription. (Random House Unabridged Dictionary, 2d ed)
Speech Acoustics
The acoustic aspects of speech in terms of frequency, intensity, and time.
Speech Perception
The process whereby an utterance is decoded into a representation in terms of linguistic units (sequences of phonetic segments which combine to form lexical and grammatical morphemes).
Speech
Communication through a system of conventional vocal symbols.
Industrial Microbiology
The study, utilization, and manipulation of those microorganisms capable of economically producing desirable substances or changes in substances, and the control of undesirable microorganisms.
Environmental Pollutants
Substances or energies, for example heat or light, which when introduced into the air, water, or land threaten life or health of individuals or ECOSYSTEMS.
Biofuels
Hydrocarbon-rich byproducts from the non-fossilized BIOMASS that are combusted to generate energy as opposed to fossilized hydrocarbon deposits (FOSSIL FUELS).
Public Opinion
The attitude of a significant portion of a population toward any given proposition, based upon a measurable amount of factual evidence, and involving some degree of reflection, analysis, and reasoning.
Public Health
Branch of medicine concerned with the prevention and control of disease and disability, and the promotion of physical and mental health of the population on the international, national, state, or municipal level.
Phylogeny
The relationships of groups of organisms as reflected by their genetic makeup.
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Gene Regulatory Networks
Interacting DNA-encoded regulatory subsystems in the GENOME that coordinate input from activator and repressor TRANSCRIPTION FACTORS during development, cell differentiation, or in response to environmental cues. The networks function to ultimately specify expression of particular sets of GENES for specific conditions, times, or locations.
Acetone
A colorless liquid used as a solvent and an antiseptic. It is one of the ketone bodies produced during ketoacidosis.
Mixed Function Oxygenases
Widely distributed enzymes that carry out oxidation-reduction reactions in which one atom of the oxygen molecule is incorporated into the organic substrate; the other oxygen atom is reduced and combined with hydrogen ions to form water. They are also known as monooxygenases or hydroxylases. These reactions require two substrates as reductants for each of the two oxygen atoms. There are different classes of monooxygenases depending on the type of hydrogen-providing cosubstrate (COENZYMES) required in the mixed-function oxidation.
Butylene Glycols
4-carbon straight chain aliphatic hydrocarbons substituted with two hydroxyl groups. The hydroxyl groups cannot be on the same carbon atom.
Oxygenases
Oxidases that specifically introduce DIOXYGEN-derived oxygen atoms into a variety of organic molecules.
Xanthine
A purine base found in most body tissues and fluids, certain plants, and some urinary calculi. It is an intermediate in the degradation of adenosine monophosphate to uric acid, being formed by oxidation of hypoxanthine. The methylated xanthine compounds caffeine, theobromine, and theophylline and their derivatives are used in medicine for their bronchodilator effects. (Dorland, 28th ed)
Pentosyltransferases
Enzymes of the transferase class that catalyze the transfer of a pentose group from one compound to another.
Leishmania donovani
A parasitic hemoflagellate of the subgenus Leishmania leishmania that infects man and animals and causes visceral leishmaniasis (LEISHMANIASIS, VISCERAL). The sandfly genera Phlebotomus and Lutzomyia are the vectors.
Equipment Contamination
The presence of an infectious agent on instruments, prostheses, or other inanimate articles.
News
Drug Contamination
The presence of organisms, or any foreign material that makes a drug preparation impure.

Development of muscarinic analgesics derived from epibatidine: role of the M4 receptor subtype. (1/1563)

Epibatidine, a neurotoxin isolated from the skin of Epipedobates tricolor, is an efficacious antinociceptive agent with a potency 200 times that of morphine. The toxicity of epibatidine, because of its nonspecificity for both peripheral and central nicotinic receptors, precludes its development as an analgesic. During the synthesis of epibatidine analogs we developed potent antinociceptive agents, typified by CMI-936 and CMI-1145, whose antinociception, unlike that of epibatidine, is mediated via muscarinic receptors. Subsequently, we used specific muscarinic toxins and antagonists to delineate the muscarinic receptor subtype involved in the antinociception evoked by these agents. Thus, the antinociception produced by CMI-936 and CMI-1145 is inhibited substantially by 1) intrathecal injection of the specific muscarinic M4 toxin, muscarinic toxin-3; 2) intrathecally administered pertussis toxin, which inhibits the G proteins coupled to M2 and M4 receptors; and 3) s.c. injection of the M2/M4 muscarinic antagonist himbacine. These results demonstrate that the antinociception elicited by these epibatidine analogs is mediated via muscarinic M4 receptors located in the spinal cord. Compounds that specifically target the M4 receptor therefore may be of substantial value as alternative analgesics to the opiates.  (+info)

A comparison of an A1 adenosine receptor agonist (CVT-510) with diltiazem for slowing of AV nodal conduction in guinea-pig. (2/1563)

1. The purpose of this study was to compare the pharmacological properties (i.e. the AV nodal depressant, vasodilator, and inotropic effects) of two AV nodal blocking agents belonging to different drug classes; a novel A1 adenosine receptor (A1 receptor) agonist, N-(3(R)-tetrahydrofuranyl)-6-aminopurine riboside (CVT-510), and the prototypical calcium channel blocker diltiazem. 2. In the atrial-paced isolated heart, CVT-510 was approximately 5 fold more potent to prolong the stimulus-to-His bundle (S-H interval), a measure of slowing AV nodal conduction (EC50 = 41 nM) than to increase coronary conductance (EC50 = 200 nM). At concentrations of CVT-510 (40 nM) and diltiazem (1 microM) that caused equal prolongation of S-H interval (approximately 10 ms), diltiazem, but not CVT-510, significantly reduced left ventricular developed pressure (LVP) and markedly increased coronary conductance. CVT-510 shortened atrial (EC50 = 73 nM) but not the ventricular monophasic action potentials (MAP). 3. In atrial-paced anaesthetized guinea-pigs, intravenous infusions of CVT-510 and diltiazem caused nearly equal prolongations of P-R interval. However, diltiazem, but not CVT-510, significantly reduced mean arterial blood pressure. 4. Both CVT-510 and diltiazem prolonged S-H interval, i.e., slowed AV nodal conduction. However, the A1 receptor-selective agonist CVT-510 did so without causing the negative inotropic, vasodilator, and hypotensive effects associated with diltiazem. Because CVT-510 did not affect the ventricular action potential, it is unlikely that this agonist will have a proarrythmic action in ventricular myocardium.  (+info)

Relationships between environmental organochlorine contaminant residues, plasma corticosterone concentrations, and intermediary metabolic enzyme activities in Great Lakes herring gull embryos. (3/1563)

Experiments were conducted to survey and detect differences in plasma corticosterone concentrations and intermediary metabolic enzyme activities in herring gull (Larus argentatus) embryos environmentally exposed to organochlorine contaminants in ovo. Unincubated fertile herring gull eggs were collected from an Atlantic coast control site and various Great Lakes sites in 1997 and artificially incubated in the laboratory. Liver and/or kidney tissues from approximately half of the late-stage embryos were analyzed for the activities of various intermediary metabolic enzymes known to be regulated, at least in part, by corticosteroids. Basal plasma corticosterone concentrations were determined for the remaining embryos. Yolk sacs were collected from each embryo and a subset was analyzed for organochlorine contaminants. Regression analysis of individual yolk sac organochlorine residue concentrations, or 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents (TEQs), with individual basal plasma corticosterone concentrations indicated statistically significant inverse relationships for polychlorinated dibenzo-p-dioxins/polychlorinated dibenzofurans (PCDDs/PCDFs), total polychlorinated biphenyls (PCBs), non-ortho PCBs, and TEQs. Similarly, inverse relationships were observed for the activities of two intermediary metabolic enzymes (phosphoenolpyruvate carboxykinase and malic enzyme) when regressed against PCDDs/PCDFs. Overall, these data suggest that current levels of organochlorine contamination may be affecting the hypothalamo-pituitary-adrenal axis and associated intermediary metabolic pathways in environmentally exposed herring gull embryos in the Great Lakes.  (+info)

Oxidative bioactivation of the lactol prodrug of a lactone cyclooxygenase-2 inhibitor. (4/1563)

The lactol derivative of a lactone cyclooxygenase-2 inhibitor (DFU) was evaluated in vivo and in vitro for its potential suitability as a prodrug. DFU-lactol was found to be 10 to 20 times more soluble than DFU in a variety of aqueous vehicles. After administration of DFU-lactol at 20 mg kg-1 p.o. in rats, a Cmax of 7.5 microM DFU was reached in the plasma. After oral administration, the ED50s of DFU-lactol in the carrageenan-induced paw edema and lipopolysaccharide-induced pyresis assays in rats are comparable with the ED50s observed when dosing with DFU. Incubations of DFU-lactol with rat and human hepatocytes demonstrated that the oxidation of DFU-lactol can be mediated by liver enzymes and that a competing pathway is direct glucuronidation of the DFU-lactol hydroxyl group. Assays with subcellular fractions from rat liver indicated that most of the oxidation of DFU-lactol occurs in the cytosolic fraction and requires NAD(P)+. Human liver cytosol can also support the oxidation of DFU-lactol to DFU when NAD(P)+ is added to the incubations. Fractionation of human liver cytosolic proteins showed that at least three enzymes are capable of efficiently effecting the oxidation of DFU-lactol to DFU. Incubations with commercially available dehydrogenases suggest that alcohol and hydroxysteroid dehydrogenases are involved in this oxidative process. These data together suggest that lactols may represent useful prodrugs for lactone-containing drugs.  (+info)

Evolution of plant defense mechanisms. Relationships of phenylcoumaran benzylic ether reductases to pinoresinol-lariciresinol and isoflavone reductases. (5/1563)

Pinoresinol-lariciresinol and isoflavone reductase classes are phylogenetically related, as is a third, the so-called "isoflavone reductase homologs." This study establishes the first known catalytic function for the latter, as being able to engender the NADPH-dependent reduction of phenylcoumaran benzylic ethers. Accordingly, all three reductase classes are involved in the biosynthesis of important and related phenylpropanoid-derived plant defense compounds. In this investigation, the phenylcoumaran benzylic ether reductase from the gymnosperm, Pinus taeda, was cloned, with the recombinant protein heterologously expressed in Escherichia coli. The purified enzyme reduces the benzylic ether functionalities of both dehydrodiconiferyl alcohol and dihydrodehydrodiconiferyl alcohol, with a higher affinity for the former, as measured by apparent Km and Vmax values and observed kinetic 3H-isotope effects. It abstracts the 4R-hydride of the required NADPH cofactor in a manner analogous to that of the pinoresinol-lariciresinol reductases and isoflavone reductases. A similar catalytic function was observed for the corresponding recombinant reductase whose gene was cloned from the angiosperm, Populus trichocarpa. Interestingly, both pinoresinol-lariciresinol reductases and isoflavone reductases catalyze enantiospecific conversions, whereas the phenylcoumaran benzylic ether reductase only shows regiospecific discrimination. A possible evolutionary relationship among the three reductase classes is proposed, based on the supposition that phenylcoumaran benzylic ether reductases represent the progenitors of pinoresinol-lariciresinol and isoflavone reductases.  (+info)

Evidence that halogenated furanones from Delisea pulchra inhibit acylated homoserine lactone (AHL)-mediated gene expression by displacing the AHL signal from its receptor protein. (6/1563)

Acylated homoserine lactone (AHL)-mediated gene expression controls phenotypes involved in colonization, often specifically of higher organisms, in both marine and terrestrial environments. The marine red alga Delisea pulchra produces halogenated furanones which resemble AHLs structurally and show inhibitory activity at ecologically realistic concentrations in AHL bioassays. Evidence is presented that halogenated furanones displace tritiated OHHL [N-3-(oxohexanoyl)-L-homoserine lactone] from Escherichia coli cells overproducing LuxR with potencies corresponding to their respective inhibitory activities in an AHL-regulated bioluminescence assay, indicating that this is the mechanism by which furanones inhibit AHL-dependent phenotypes. Alternative mechanisms for this phenomenon are also addressed. General metabolic disruption was assessed with two-dimensional PAGE, revealing limited non-AHL-related effects. A direct chemical interaction between the algal compounds and AHLs, as monitored by 1H NMR spectroscopy, was shown not to occur in vitro. These results support the contention that furanones, at the concentrations produced by the alga, can control bacterial colonization of surfaces by specifically interfering with AHL-mediated gene expression at the level of the LuxR protein.  (+info)

NADH-quinone oxidoreductase: PSST subunit couples electron transfer from iron-sulfur cluster N2 to quinone. (7/1563)

The proton-translocating NADH-quinone oxidoreductase (EC 1.6.99.3) is the largest and least understood enzyme complex of the respiratory chain. The mammalian mitochondrial enzyme (also called complex I) contains more than 40 subunits, whereas its structurally simpler bacterial counterpart (NDH-1) in Paracoccus denitrificans and Thermus thermophilus HB-8 consists of 14 subunits. A major unsolved question is the location and mechanism of the terminal electron transfer step from iron-sulfur cluster N2 to quinone. Potent inhibitors acting at this key region are candidate photoaffinity probes to dissect NADH-quinone oxidoreductases. Complex I and NDH-1 are very sensitive to inhibition by a variety of structurally diverse toxicants, including rotenone, piericidin A, bullatacin, and pyridaben. We designed (trifluoromethyl)diazirinyl[3H]pyridaben ([3H]TDP) as our photoaffinity ligand because it combines outstanding inhibitor potency, a suitable photoreactive group, and tritium at high specific activity. Photoaffinity labeling of mitochondrial electron transport particles was specific and saturable. Isolation, protein sequencing, and immunoprecipitation identified the high-affinity specifically labeled 23-kDa subunit as PSST of complex I. Immunoprecipitation of labeled membranes of P. denitrificans and T. thermophilus established photoaffinity labeling of the equivalent bacterial NQO6. Competitive binding and enzyme inhibition studies showed that photoaffinity labeling of the specific high-affinity binding site of PSST is exceptionally sensitive to each of the high-potency inhibitors mentioned above. These findings establish that the homologous PSST of mitochondria and NQO6 of bacteria have a conserved inhibitor-binding site and that this subunit plays a key role in electron transfer by functionally coupling iron-sulfur cluster N2 to quinone.  (+info)

Role of metabolic activation in the pathogenesis of chemically induced pulmonary disease: mechanism of action of the lung-toxic furan, 4-ipomeanol. (8/1563)

Many xenobiotics produce hepatic injury due to their metabolism in the liver to highly reactive electrophile intermediates which form covalent conjugates with nucleophilic cellular constituents. This presentation describes studies indicating that the production of chemically reactive metabolites by pulmonary metabolism of xenobiotics can also play a fundamental role in the pathogenesis of chemically induced lung disease.  (+info)

Furan 27.5 - PsynydebikesFuran 27.5 - Psynydebikes
Buying a frame allows you to customize your build, which is a key advantage for buying a frame instead of a full bike.. You could have your own reasons for trying out the Furan Frame. We are here to help you evaluate whether its the best choice for you.. Hard knuckle mountain riding is Furans forte. Hand welded from 6061 Aluminum, Psynydes specially designed Hydroformed downtube, toptube and stays add rigidity without the bulk. Furans tapered head tube is evolved for todays new suspension forks out there. With our forged droputs and disc brake mounts the rear end of this hardtail is sorted for impact. Our elite geometry pumped into the Furans long toptube and slack styling will change the way you ride a trail hardtail.. Designed for the new 27.5 wheels, Furan is ready to roll over any terrain with ease. Created for trail forks between 100mm-130mm of travel, heres a hardtail thatll allow you to get wild on dirt!. Not just limited to the mountains and rocky world, the Furan can fireup the ...
http://psynydebikes.com/product/furan-27-5/
2-Oxo-2,3-dihydrofuran-5-acetate2-Oxo-2,3-dihydrofuran-5-acetate
2-Oxo-2,3-dihydrofuran-5-acetate; 3-Oxoadipate enol-lactone; 4,5-Dihydro-5-oxofuran-2-acetate; 5-Oxo-4,5-dihydrofuran-2-acetate; C03586 ...
http://equilibrator.weizmann.ac.il/compound?compoundId=C03586
FURANS - English wordFURANS - English word
Word Scramble - English word FURANS: words that start with furans, words that end with furans, anagrams of furans, how to spell furans!, Words with Friends, Scrabble
http://anagramscramble.com/word/furans
Bulk Manufacturer & Supplier of 2,4-dichloro-1-(dichloromethyl)benzene CAS:134-25-8 | Brenlabs.comBulk Manufacturer & Supplier of 2,4-dichloro-1-(dichloromethyl)benzene CAS:134-25-8 | Brenlabs.com
We manufacture 2,4-dichloro-1-(dichloromethyl)benzene CAS:134-25-8 from China India,2,4-dichlorobenzyl dichloride factory and 6-Ethyl-3-oxa-6-azaoctanol producer,6-Ethyl-3-oxa-6-azaoctanol manufacturer and supplier
https://www.brenlabs.com/24-dichloro-1-dichloromethylbenzene/
Chemical Database: Benzene, (dichloromethyl)- (EnvironmentalChemistry.com)Chemical Database: Benzene, (dichloromethyl)- (EnvironmentalChemistry.com)
This page contains information on the chemical Benzene, (dichloromethyl)- including: 24 synonyms/identifiers; U.S. Code of Federal Regulations Title 49 Section 172 shipping regulations and proper shipping name; USDOT 2008 Emergency Response Guidebook initial response information.
https://environmentalchemistry.com/yogi/chemicals/cn/Benzene%2C%A0%28dichloromethyl%29-.html
2S,5R)-5-(6-Aminopurin-9-yl)-2,5-dihydrofuran-2-yl]methanol | C10H11N5O2 - PubChem2S,5R)-5-(6-Aminopurin-9-yl)-2,5-dihydrofuran-2-yl]methanol | C10H11N5O2 - PubChem
[(2S,5R)-5-(6-Aminopurin-9-yl)-2,5-dihydrofuran-2-yl]methanol | C10H11N5O2 | CID 268420 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
https://pubchem.ncbi.nlm.nih.gov/compound/268420
PROCESS FOR THE PREPARATION OF NAPHTHALEN-2-YL-PYRAZOL-3-ONE INTERMEDIATES USEFUL IN THE SYNTHESIS OF SIGMA RECEPTOR INHIBITORS...PROCESS FOR THE PREPARATION OF NAPHTHALEN-2-YL-PYRAZOL-3-ONE INTERMEDIATES USEFUL IN THE SYNTHESIS OF SIGMA RECEPTOR INHIBITORS...
0033]Starting materials of formula (III) of the present invention are available commercially or from known methods in the art as disclosed in the following list: [0034]2,5-dimethyl-3(2H)-furanone, from Ryan Scientific Product List. [0035]4-(1,1-dimethylethyl)-2,5-dimethyl-3(2H)-furanone, from JP10036259. [0036](S)-2,5-dimethyl-3(2H)-furanone and (R)-2,5-dimethyl-(2H)-furanone, from Eghbaldar et al., Parfums, Cosmetiques, Aromes (1992), 104, 71-8. [0037](R)-5-hexyl-2-methyl-3(2H)-furanone and (S)-5-hexyl-2-methyl-3(2H)-furanone, from Mosandl et al. Journal of High Resolution Chromatography (1990), 13(9), 660-2. [0038]2-methyl-4-(2-methylpropyl)-3(2H)-furanone and 2-methyl-4-pentyl-3(2H)-furanone, from Baraldi et al. Tetrahedron (1987), 43(1), 235-42. [0039]2-methyl-5-(2-methylpropyl)-3(2H)-furanone, 2-methyl-5-phenyl-3(2H)-furanone, and 2-methyl-5-pentyl-3(2H)-furanone, from Baraldi et al. Tetrahedron Letters (1984), 25(38), 4313-16. [0040]5-hexyl-2-methyl-3(2H)-furanone, from Winkler et al. ...
http://www.patentsencyclopedia.com/app/20110071282
849035-65-0 | 1-[2-Chloro-4-methyl-5-(methylsulphonyl)phenyl]piperazine | Apollo Scientific849035-65-0 | 1-[2-Chloro-4-methyl-5-(methylsulphonyl)phenyl]piperazine | Apollo Scientific
Product: 1-[2-Chloro-4-methyl-5-(methylsulphonyl)phenyl]piperazine CAS: 849035-65-0 Purity: Commodity Code:2933599590 MDL Number:MFCD04037928 Synonyms:5-Chloro-2-(methylsulphonyl)-4-(piperazin-1-yl)toluene, 4-Chloro-2-methyl-5-(piperazin-1-yl)phenyl methyl sulphone
https://store.apolloscientific.co.uk/product/1-2-chloro-4-methyl-5-methylsulphonylphenylpiperazine
methylsulphonyl)benzene (CAS 3112-85-4) Market Research Report 2018methylsulphonyl)benzene (CAS 3112-85-4) Market Research Report 2018
The report generally describes (methylsulphonyl)benzene, examines its uses, production methods, patents. (methylsulphonyl)benzene market situation is
https://marketpublishers.com/report/industry/chemicals_petrochemicals/_methylsulphonyl_benzene_3112-85-4_market_research_report.html
Dioxins and Furans | Environment | SGSDioxins and Furans | Environment | SGS
Toxic dioxins and furans can accumulate through industrial processes. SGS dioxin and furan analysis can accurately measure trace quantities to improve your site safety. Find out more.
https://www.sgs.com/en/environment/air-noise-odor-and-vibration/laboratory-analysis/specialty-analyses/dioxins-and-furans
Oxidation of furan on well-characterized vanadium oxide catalysts<...Oxidation of furan on well-characterized vanadium oxide catalysts<...
TY - JOUR. T1 - Oxidation of furan on well-characterized vanadium oxide catalysts. AU - Mori, Kenji. AU - Miyamoto, Akira. AU - Murakami, Yuichi. N1 - Funding Information: ACKNOWLEDGMENTS This work was partially supported by a grant-in-aid for Scientific Research (59470097) and for Encouragement of Young Scientists (59750655) from the Ministry of Education, Science, and Culture, Japan.. PY - 1985/10. Y1 - 1985/10. N2 - The activity and selectivity in the oxidation of furan on unsupported and supported V2O5 catalysts were investigated in connection with the catalyst structure. It was found that the steady-state reaction rate at various concentrations of O2 was proportional to the amount of V5+O species in the catalyst, indicating that the surface VO plays the active oxygen species for the reaction. The specific activity of surface VO species, defined by the rate per surface VO, for unsupported V2O5 changed greatly with the surface structure of the catalyst: The fusion of V2O5 markedly decreased ...
https://tohoku.pure.elsevier.com/en/publications/oxidation-of-furan-on-well-characterized-vanadium-oxide-catalysts
Cycloaddition reaction of furan with Si(100)-2×1 | ScholarBank@NUSCycloaddition reaction of furan with Si(100)-2×1 | [email protected]
The adsorption coefficient of furan on Si(100)-2×1 was investigated using various spectroscopic techniques and semiempirical molecular orbital (MO) calculations. Furan was found to be nondissociatively chemisorbed on the Si(100)-2×1 surface at 125 K. The semiempirical simulation of the valence band spectrum of the cycloadduct agreed well with the experimental results ...
https://scholarbank.nus.edu.sg/handle/10635/93513
Tire-derived fuel - WikipediaTire-derived fuel - Wikipedia
While environmental controversy surrounding use of this fuel is wide and varied, the greatest supported evidence of toxicity comes from the presence of dioxins and furans in the flue gases. Zinc has also been found to dissolve into storm water, from shredded rubber, at acutely toxic levels for aquatic life and plants.[7]. A study of dioxin and furan content[8] of stack gasses at a variety of cement mills, paper mills, boilers, and power plants conducted in the 1990s shows a wide and inconsistent variation in dioxin and furan output when fueled partially by TDF as compared to the same facilities powered by only coal. Some facilities added as little as 4% TDF and experienced as much as a 4,140% increase in dioxin and furan emsissions. Other facilities added as much as 30% TDF and experienced dioxin and furan emissions increases of only as much as 58%. Still other facilities used as much as 8% TDF and experienced a decrease of as much as 83% of dioxin and furan emissions. One facility conducted ...
https://en.wikipedia.org/wiki/Tire_derived_fuel
CAS 110-00-9 : FURAN (FURANE)CAS 110-00-9 : FURAN (FURANE)
110-00-9 Furan (furane) testing. Laboratory testing for CAS number 110-00-9. Divinylene oxide;Furfuran;Oxacyclopentadiene;Oxole;Tetrole;Furane;Furfurane;NCI-C56202;Rcra waste number U124;UN 2389;QO Furan. This chemical is colourless liquid
http://www.caslab.com/Furan_furane_CAS_110-00-9/
QAYBTII SADEXAAD EE DOODII MAXAAN KU MUTAYSTAY HEYBSOOCA DOOD FURAN | Toggaherers BlogQAYBTII SADEXAAD EE DOODII MAXAAN KU MUTAYSTAY HEYBSOOCA DOOD FURAN | Toggaherers Blog
QAYBTII SADEXAAD EE DOODII MAXAAN KU MUTAYSTAY HEYBSOOCA DOOD FURAN QAYBTII SADEXAAD EE DOODII MAXAAN KU MUTAYSTAY HEYBSOOCA DOOD FURAN marka ugu horeysa waxan salaan xushmad & qadariin ku dheehantahey ku salamaya ,dhamaan shaqaalaha websetka ,gaar ahaan mamulka shabakada , sidookale waxaan salan xushmad & qadariin ku dheehantahey waxaan ku salamaya dhamaan akhristaha sharafta badan…
https://toggaherer.wordpress.com/2009/02/21/qaybtii-sadexaad-ee-doodii-maxaan-ku-mutaystay-heybsooca-dood-furan/
Synthesis of furan derivatives via cascade-type reactions catalyzed by solid acidsSynthesis of furan derivatives via cascade-type reactions catalyzed by solid acids
The 2-methylfuran (2-MF), easily obtained from furfural as a lignocellulosic biomass derivative, can beconverted in good yields (70%) into 5,5-bis(5-methyl-2-furyl)pentan-2-one by condensation in the pres-ence of mineral acids. This molecule is an important precursor for various interesting industrial products,such as benzofuranics with physiological activity and hydrocarbon mixtures useful as fuel components. Inthis work, the synthesis of 5,5-bis(5-methyl-2-furyl)pentan-2-one was successfully achieved (yield = 80%)via hydrolysis/condensation of 2-methylfuran, by using ethanol/water as solvent and Amberlyst®15 as asolid catalyst under moderate reaction conditions. Different polymeric ionic exchange resins were tested,conversion of 2-MF and product performances during reaction showed a proportional dependence tothe capacity of proton exchange of resins. Amberlyst®15 presented the best results, and the resin canbe regenerated and reused several times arriving to a constant product yield after ...
https://riunet.upv.es/handle/10251/67041
Tetrahydrofuran Manufacturer,Tetrahydrofuran Supplier,ExporterTetrahydrofuran Manufacturer,Tetrahydrofuran Supplier,Exporter
RHYTHM CHEMICALS PVT. LTD., We are famous Manufacturer,Supplier,Wholesaler and Exporter of Tetrahydrofuran based in Surat, Gujarat, India.
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United States Tetrahydrofuran Market Report 2021 : ReportsnReportsUnited States Tetrahydrofuran Market Report 2021 : ReportsnReports
[108 Pages Report] Check for Discount on United States Tetrahydrofuran Market Report 2021 report by QYResearch Group. Notes: Sales, means the sales volume of Tetrahydrofuran Revenue, means...
http://www.reportsnreports.com/reports/672400-united-states-tetrahydrofuran-market-report-2021.html
Kahr Research Group Publications 1986-1991Kahr Research Group Publications 1986-1991
ID Reingold, HA Trujillo, BE Kahr. A new preparation of alpha-cycloheptatrienyl ketones J. Org. Chem. 1986, 51, 1627-1629. B Kahr, D Van Engen, K Mislow. The length of the ethane bond in hexaphenylethane and its derivatives J. Amer. Chem. Soc. 1986, 108, 8305-8307. B Kahr, SA Biali, W Schaefer, AB Buda, K Mislow. Molecular structure of hexakis(dichloromethyl)benzene J. Org. Chem. 1987, 52, 3713-3717. SA Biali, B Kahr, Y Okamoto, R Aburatani, K Mislow Structure, resolution and racemization decakis(dichloromethyl)biphenyl J. Am. Chem. Soc. 1988, 110, 1917-1922. RA Pascal, Jr, D Van Engen, B Kahr, WD McMillan Twisted polycyclic aromatic hydrocarbons Structural studies of protic and deuteriated 1,2,3,4-tetraphenyltriphenylenes J. Org. Chem. 1988, 53, 1687-1689. J. Chance, B Kahr, A B Buda, J. P Toscano, K Mislow Stereochemistry of hexakis(dimethylamino)benzene and its dication J. Org. Chem. 1988, 53, 3226-3232. N Yannoni, B Kahr, K Mislow Determination of the central bond length in hexaarylethanes ...
http://kahrresearch.com/Publications1986-1991
Dichloromethyl[2-(trichlorosilyl)ethyl]silaneDichloromethyl[2-(trichlorosilyl)ethyl]silane
ELIMINATE all ignition sources and groumd all equipment used when handling the product. Do not touch spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. A vapor suppressing foam may be used to reduce vapors. FOR CHLOROSILANES, use AFFF alcohol-resistant medium expansion foam to reduce vapors. DO NOT GET WATER on spilled substance or inside containers. Cover with DRY earth, DRY sand, or other non-combustible material followed with plastic sheet to minimize spreading or contact with rain. Use clean non-sparking tools to collect material and place it into loosley covered plastic containers for later disposal ...
http://www.chemicaldictionary.org/dic/D/Dichloromethyl-2-trichlorosilylethyl-silane_2325.html
Concanavalin A/bovine serum albumin-incorporated LA-conjugated Tetronic® 1107 micelles aggregatesConcanavalin A/bovine serum albumin-incorporated LA-conjugated Tetronic® 1107 micelles aggregates
Page contains details about Concanavalin A/bovine serum albumin-incorporated LA-conjugated Tetronic® 1107 micelles aggregates . It has composition images, properties, Characterization methods, synthesis, applications and reference articles : nano.nature.com
http://nano.nature.com/nano/GR-M3091409
CAS No.497-23-4,2(5H)-Furanone Suppliers,MSDS downloadCAS No.497-23-4,2(5H)-Furanone Suppliers,MSDS download
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5-Fluoro-7-(methylsulphonyl)-1H-indole-2-carboxylic acid - Alfa Chemistry5-Fluoro-7-(methylsulphonyl)-1H-indole-2-carboxylic acid - Alfa Chemistry
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APGC-MS/MS Investigation of a Complex Mixture of Polyhalogenated Dioxins and Furans (PXDD/Fs) Generated in Fire Debris : WatersAPGC-MS/MS Investigation of a Complex Mixture of Polyhalogenated Dioxins and Furans (PXDD/Fs) Generated in Fire Debris : Waters
Learn how APGC coupled to a Xevo TQ-S tandem quadrupole instrument can better characterize dioxin and furan generation (polybromo- and mixed halogenated) that firefighters and first responders are exposed to.
https://www.waters.com/nextgen/us/en/library/application-notes/2016/apgc-ms-ms-investigation-of-polyhalogenated-dioxins-and-furans-in-fire-debris.html
Dioxins & Furans Reference Materials | LGC StandardsDioxins & Furans Reference Materials | LGC Standards
Adhere to stringent environmental regulation with our comprehensive range of reference materials for dioxin & furan testing. 500+ products available online.
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BROMINATED DIOXIN/FURAN LABELED COMPOUNDS (13C12, 99%) - Creative ProteomicsBROMINATED DIOXIN/FURAN LABELED COMPOUNDS (13C12, 99%) - Creative Proteomics
Creative-Proteomics offer cas NA BROMINATED DIOXIN/FURAN LABELED COMPOUNDS (13C12, 99%). We are specialized in manufacturing Stabel Isotope Labeled Analytical Standard products.
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中国科学院上海有机化学研究所机构知识库(SIOC OpenIR): A general and efficient synthesis of substituted furans and dihydrofurans via gold-catalyzed...中国科学院上海有机化学研究所机构知识库(SIOC OpenIR): A general and efficient synthesis of substituted furans and dihydrofurans via gold-catalyzed...
A highly efficient Au-catalyzed cyclization of (Z)-enynols that proceeds under mild reaction conditions has been developed. This methodology provides rapid access to Substituted furans and stereodefined (Z)-5-ylidene-2,5-dihydrofurans in a regioselective manner frorn suitably Substituted (Z)-2-en-4-yn-1-ols. (C) 2008 Elsevier Ltd. All rights reserved ...
http://ir.sioc.ac.cn/handle/331003/24275
MODIFIED JIS LOW CONCENTRATION DIOXIN & FURAN CALIBRATION SOLN CS2L (UNLABELED/13C12, 99%) - Creative ProteomicsMODIFIED JIS LOW CONCENTRATION DIOXIN & FURAN CALIBRATION SOLN CS2L (UNLABELED/13C12, 99%) - Creative Proteomics
Creative-Proteomics offer cas NA MODIFIED JIS LOW CONCENTRATION DIOXIN & FURAN CALIBRATION SOLN CS2L (UNLABELED/13C12, 99%). We are specialized in manufacturing Stabel Isotope Labeled Analytical Standard products.
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ChemInform Abstract: Synthesis of New 2- or 3-Deoxy Carbapyranoses from Furan.<span></span> | Odon Arjona; Gema Lorenzo; Rocio...ChemInform Abstract: Synthesis of New 2- or 3-Deoxy Carbapyranoses from Furan.<span></span> | Odon Arjona; Gema Lorenzo; Rocio...
ChemInform Abstract: Synthesis of New 2- or 3-Deoxy Carbapyranoses from Furan.|span||/span| | Odon Arjona; Gema Lorenzo; Rocio Medel; Joaquin Plumet | download | BookSC. Download books for free. Find books
http://booksc.org/book/938234/1a87bc/?_ir=1
2-(4,4-Difluorobut-3-enylsulfanyl)furan | C8H8F2OS - PubChem2-(4,4-Difluorobut-3-enylsulfanyl)furan | C8H8F2OS - PubChem
2-(4,4-Difluorobut-3-enylsulfanyl)furan | C8H8F2OS | CID 21850441 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
https://pubchem.ncbi.nlm.nih.gov/compound/021850441
Risks for public health related to the presence of furan and methylfurans in foodRisks for public health related to the presence of furan and methylfurans in food
Knutsen , H K , Alexander , J , Barregård , L , Bignami , M , Brüschweiler , B , Ceccatelli , S , Cottrill , B , Dinovi , M , Edler , L , Grasl-Kraupp , B , Hogstrand , C , Hoogenboom , L R , Nebbia , C S , Oswald , I P , Petersen , A , Rose , M , Roudot , A-C , Schwerdtle , T , Vleminckx , C , Vollmer , G , Chipman , K , De Meulenaer , B , Dinovi , M , Mennes , W , Schlatter , J , Schrenk , D , Baert , K , Dujardin , B , Wallace , H & EFSA Panel on Contaminants in the Food Chain (CONTAM) 2017 , Risks for public health related to the presence of furan and methylfurans in food , EFSA Journal , vol. 15 , no. 10 , e05005 . https://doi.org/10.2903/j.efsa. ...
https://aura.abdn.ac.uk/handle/2164/11001?show=full
Naphtho[1,2-b]furan - Alfa ChemistryNaphtho[1,2-b]furan - Alfa Chemistry
Naphtho[1,2-b]furan/ACM234037 can be provided in Alfa Chemistry. We are dedicated to provide our customers the best products and services.
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ChemIDplus - 125372-43-2 - VLTVCYQMCFCYBJ-UHFFFAOYSA-N - Naphtho(2,1-b)furan, 7-isothiocyanato-2-nitro- - Similar structures...ChemIDplus - 125372-43-2 - VLTVCYQMCFCYBJ-UHFFFAOYSA-N - Naphtho(2,1-b)furan, 7-isothiocyanato-2-nitro- - Similar structures...
125372-43-2 - VLTVCYQMCFCYBJ-UHFFFAOYSA-N - Naphtho(2,1-b)furan, 7-isothiocyanato-2-nitro- - Similar structures search, synonyms, formulas, resource links, and other chemical information.
https://chem.nlm.nih.gov/chemidplus/rn/125372-43-2
Furan Nooca MeegaarkaFuran Nooca Meegaarka
Furan Noocyada Soosaarayaasha Nooca, Warshad, Shirkado Ka Socda Shiinaha, Iyada oo horumar deg deg ah iyo macaamiisheena ay ka yimaadeen Yurub, Mareykanka, Afrika iyo adduunka oo idil. Ku soo dhawow inaad soo booqato warshaddeena oo aad soo dhaweyso amarkaaga, wixii suaalo dheeraad ah fadlan ha ka waaban inaad nala soo xiriirto!
http://so.yourlikepower.com/open-frame-type/
Furan Contamination News on Environmental XPRTFuran Contamination News on Environmental XPRT
Get the latest furan contamination news on Environmental XPRT, the worlds largest environmental industry marketplace and information resource.
https://www.environmental-expert.com/news/keyword-furan-contamination-104227
Tetrahydrofuran (THF) Market: Increasing Demand for PTMEG from Spandex Manufacturing Expected to Dri. - Free Online LibraryTetrahydrofuran (THF) Market: Increasing Demand for PTMEG from Spandex Manufacturing Expected to Dri. - Free Online Library
Free Online Library: Tetrahydrofuran (THF) Market: Increasing Demand for PTMEG from Spandex Manufacturing Expected to Dri. by ClickPress; Business, international News, opinion and commentary
https://www.thefreelibrary.com/Tetrahydrofuran+
Investigations on Cell Proliferation and Enzyme Induction in Male Rat Kidney and Female Mouse Liver Caused by Tetrahydrofuran :...Investigations on Cell Proliferation and Enzyme Induction in Male Rat Kidney and Female Mouse Liver Caused by Tetrahydrofuran :...
To elucidate possible mechanism(s) of carcinogenic action of tetrahydrofuran (THF) that had been demonstrated in previous inhalation studies, groups of male F344 rats and female B6C3F1 mice were exposed to dynamic atmospheric concentrations of 0, 600, 1800, or 5400 mg/m3 for 6 h per day, either for 5 consecutive days or for a period of 4 weeks (5 days per week). The reversibility of treatment-related changes was investigated in rats and mice exposed for 5 days and sacrificed 21 days after the last exposure. Female B6C3F1 mice exposed to 5400 mg/m3 showed significantly increased cytochrome P450 content, increased ethoxyresorufin-O-deethylase and pentoxyresorufin-O-depentylase activities, increased cell proliferation (5-bromo-2-deoxyuridine-method) and an increased mitotic index in liver zones 2 (midzonal region) and 3 (central vein region). The changes were found to be reversible after a 3-week treatment-free period (cell proliferation examined, only). Male F344 rats showed dose-related ...
http://oxfordindex.oup.com/view/10.1093/toxsci/70.1.140
2-(furan-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 248924-59-6 Route Of Synthesis Synthetic Routes2-(furan-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 248924-59-6 Route Of Synthesis Synthetic Routes
2-(furan-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 248924-59-6 route of synthesis, 2-(furan-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane chemical synthesis methods, 2-(furan-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane synthetic routes ect.
http://www.molbase.com/en/synthesis_248924-59-6-moldata-41304.html
Tetrahydrofuran fentanyl (hydrochloride)Tetrahydrofuran fentanyl (hydrochloride)
Buy Tetrahydrofuran fentanyl (hydrochloride) reference standards from New psychoactive substances (NPS). Available to purchase online at LGC Standards.
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Nomination Summary for Tetrahydrofuran (N79398)Nomination Summary for Tetrahydrofuran (N79398)
Nominated Substances: Tetrahydrofuran. Nomination Date: 01/00/1979 Nominator: NIOSH Rationale: Concern as to occupational exposure, candidate chemical for NIOSH criteria document NTP Principles: Pre 1993 - 1, 8 ...
https://ntp.niehs.nih.gov/getinvolved/nominate/summary/nm-n79398.html
Quantum Chemical Characterization of Hydrogen Bonding Sites in Three 4-(4-Halo-Phenyl)-6-(Furan-2-yl) Pyrimidin-2-Amine...Quantum Chemical Characterization of Hydrogen Bonding Sites in Three 4-(4-Halo-Phenyl)-6-(Furan-2-yl) Pyrimidin-2-Amine...
Hydrogen bonding (HB) sites in three pyrimidine compounds derivatives (DP), namely 4-(4-fluorophenyl)-6-(furan-2-yl) pyrimidin-2-amine (DP-1), 4-(4-chlorophenyl)-6-(furan-2-yl) pyrimidin-2-amine (DP-2) and 4-(4-bromophenyl)-6-(furan-2-yl) pyrimidin-2-amine (DP-3), have been investigated by quantum chemistry methods, especially at HF/6-311+G(d,p) and B3PW91/6-311+G(d,p) levels. Hydrogenfluori deserved as probe for hydrogen bonding complexes. Molecular electrostatic potential maps, geometricparameters of HB complexes, as well as energetic parameters of the complexation reactions have been computed. Finally, one out of two nitrogen atoms of pyrimidine nucleus has been identified as the major hydrogen bonding site in the three pyrimidine derivatives, with respective percentages of around 83.0% and 93.2% at HF/6-311+G(d,p) and B3PW91/6-311+G(d,p) levels.
https://file.scirp.org/Html/1-1710081_77430.htm
1-[4-(furan-2-yl)phenyl]ethanone 35216-08-1 H-NMR | C-NMR Spectral Analysis NMR Spectrum1-[4-(furan-2-yl)phenyl]ethanone 35216-08-1 H-NMR | C-NMR Spectral Analysis NMR Spectrum
1-[4-(furan-2-yl)phenyl]ethanone 35216-08-1 NMR spectrum, 1-[4-(furan-2-yl)phenyl]ethanone H-NMR spectral analysis, 1-[4-(furan-2-yl)phenyl]ethanone C-NMR spectral analysis ect.
http://www.molbase.com/en/hnmr_35216-08-1-moldata-80765.html
Operation Green Rights: August 2012Operation Green Rights: August 2012
Italy and #OperationGreenRights are still working on the data, about the chemical agents, contained in the dumps of Ilvas and Riva Groups database (www.ilvataranto.com & www.rivagroup.com). The chemical agents tables, sometimes, are not easy to read, sometimes is not possible to understand which is the real grade of production, of these materials, but is sure that some values are not crossable. Another certain is that these limits are applied by the law. The factories, which produce chemical agents over the limits set by the law, make this work dangerous for all the people who works in these places and for who lives in these cities. The limits are decided by the law, so are not changeable by the owners of these factories. One of the most dangerous chemical agent produced is furan (C4H4O). The furan is an organic persistent enviromental pollutant which naturally becames benzofuran polychlorinated, whom is associated to dioxins. Also normally, the furan is highly volatile close to room ...
http://operationgreenrights.blogspot.ie/2012/08/
Reverse dial rotationReverse dial rotation
By now you should have spent a good amount of time using the main dial on your…camera to configure all sorts of options.…You can reverse the direction that the dial works in by going here into the…Custom Setting menu, into Controls, and scrolling down to Reverse dial rotation.…Now, the reason were talking about this particular custom setting is that if you…watched the previous movies and chose to reverse your indicators--this is the…one where plus and minus are swapped in the Exposure Compensation display--…if youve done that then youre probably going to want to reverse the dial…location for your camera, simply to feel like it makes sense.… So if I just turn this on, now things that used to happen when I scrolled to the…left will happen when I scroll to the right.…So if I reversed my indicators, reversing the dial rotation is going to make the…dial feel like its fitting more with what Im seeing in my Exposure…Compensation indicator.… ...
https://www.lynda.com/Photography-Cameras-Gear-tutorials/Reverse-dial-rotation/86641/93785-4.html
KIT - MitarbeiterKIT - Mitarbeiter
Golka, Leonie; 2019: Kinetische Untersuchungen zur Pyrolyse oxygenierter Kohlenwasserstoffe: Stoßwellenexperimente und kinetische Modellierungen. Jöckle, Philipp; 2019: Visible light-triggered precursor molecules: relating reactivity and ultrafast dynamics. Schweigert, Caroline; 2018: Untersuchungen Lokaler Umgebungsvariation auf das Relaxationsverhalten Photoangeregter Zustände von Molekülen in Lösung Mittels Femtosekunden-Breitband-Absorptionsspektroskopie. Janzer, Corina; 2017: NO2-Bildung unter Motorischen Bedingungen: Kinetische Modellierungen und Stoßwellenexperimente. Weber, Isabelle; 2017: Kinetic Studies with Shock Tubes: Instrumental Developments and the Thermal Decompostiion of Furan Derivatives. Eble, Julia; 2017: Zündung oxygenierter Kohlenwasserstoffe: Mechanismus und Elementarschritte. Bänsch, Cornelie; 2017: Reactions of Hydroxyl Radicals with Oxygenated Hydrocarbons in the Gas Phase: A Laser Photolysis/Laser-Induced Fluorescence Study. Kiecherer, Johannes; 2016: ...
https://www.ipc.kit.edu/mol/21.php?sort_table=469&sort_field=email&sort_order=SORT_ASC
سعر وملعومات Zantac 300mg 20 f.c.tabسعر وملعومات Zantac 300mg 20 f.c.tab
About ranitidinea histamine h2-receptor antagonist, furan derivative, anti-secretory g.i agent,anti ulcer.mechanism of action of ranitidineranitidine
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سعر وملعومات Gastproct 50mg/2ml 5 amp. for i.v/i.m injسعر وملعومات Gastproct 50mg/2ml 5 amp. for i.v/i.m inj
About ranitidinea histamine h2-receptor antagonist, furan derivative, anti-secretory g.i agent,anti ulcer.mechanism of action of ranitidineranitidine
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Phase i study of the halichondrin B analogue eribulin mesylate in combination with cisplatin in advanced solid tumors<...Phase i study of the halichondrin B analogue eribulin mesylate in combination with cisplatin in advanced solid tumors<...
TY - JOUR. T1 - Phase i study of the halichondrin B analogue eribulin mesylate in combination with cisplatin in advanced solid tumors. AU - Koczywas, M.. AU - Frankel, P. H.. AU - Synold, T. W.. AU - Lenz, H. J.. AU - Mortimer, J. E.. AU - El-Khoueiry, A. B.. AU - Gandara, David R. AU - Cristea, M. C.. AU - Chung, V. M.. AU - Lim, D.. AU - Reckamp, K. L.. AU - Lau, Derick H. AU - Doyle, L. A.. AU - Ruel, C.. AU - Carroll, M. I.. AU - Newman, E. M.. PY - 2014/12/9. Y1 - 2014/12/9. N2 - Background:Eribulin mesylate is a synthetic macrocyclic ketone analogue of Halichondrin B that has demonstrated high antitumor activity in preclinical and clinical settings. This phase I study aimed to determine the maximum tolerated dose (MTD), dose-limiting toxicities (DLTs), and pharmacokinetics in combination with cisplatin (CP) in patients with advanced solid tumours.Methods:Thirty-six patients with advanced solid tumours received eribulin mesylate 0.7-1.4 mg m-2 and CP 60-75 mg m-2. Eribulin mesylate was ...
https://ucdavis.pure.elsevier.com/en/publications/phase-i-study-of-the-halichondrin-b-analogue-eribulin-mesylate-in
DSpace at EWHA: Effects of dicarbonyl trapping agents, antioxidants, and reducing agents on the formation of furan and other...DSpace at EWHA: Effects of dicarbonyl trapping agents, antioxidants, and reducing agents on the formation of furan and other...
The formation of furam and certain volatiles related to furan formation mechanisms was studied using gas chromatography-mass spectrometry combined with solid-phase micro extraction after adding dicarbonyl trapping agents [epicatechin (EC), epigallocatechin gallate (EGCG), and catechin] water-soluble antioxidants (Trolox, caffeic acid, ferulic acid, and chlorogenic acid), fat-soluble antioxidants (e-tocopherol, BHT, and beta-carotene), and reducing agents (glutathione and sodium sulfite) to canned-coffee model systems (CMS). The level of furan formation decreased significantly following the addition of EC (by 65.3%), EGCG (by 60.0%), and catechin (by 44.7%). In addition, the formation of Maillard reaction products, including furan derivatives (furfural and 5-methylfurfural), Strecker aldehyde (2-methylbutanal), pyrazines (2,6-dimethylpyrazine), and lipid oxidation products (including hexanal and 2-pentylfuran) was suppressed when any of the dicarbonyl trapping agents was added. Among the ...
http://dspace.ewha.ac.kr/handle/2015.oak/217372
Mechanistic Insight into Heterogeneous Hydrogenation of Furan Derivatives with the Use of Parahydrogen | Sciact - cris systemMechanistic Insight into Heterogeneous Hydrogenation of Furan Derivatives with the Use of Parahydrogen | Sciact - cris system
Реферат: Parahydrogen-induced polarization (PHIP) was shown to be a useful and unique technique for mechanistic studies of catalytic reactions involving hydrogen. In this paper, PHIP was utilized for mechanistic investigation of gas phase hydrogenation of furan, 2,3-dihydrofuran and 2,5-dihydrofuran over titania-supported Rh, Pd and Pt catalysts. In hydrogenations of all three substrates over Rh/TiO2 catalysts, PHIP technique revealed the possibility of pairwise addition of two H atoms from the same H2 molecule with formation of tetrahydrofuran molecules while retaining spin correlation between added protons. In hydrogenation of 2,3-dihydrofuran over Rh/TiO2 catalysts, PHIP effects were detected not only for tetrahydrofuran but also for the reactant (2,3-dihydrofuran) at positions 2 and 3 of heterocyclic ring. Such unexpected results are a direct evidence of the occurrence of pairwise replacement of hydrogen atoms in 2,3-dihydorfuran. The probable mechanism of this pairwise replacement ...
https://sciact.catalysis.ru/ru/public/article/22618
CAS No.88-14-2,2-Furoic acid Suppliers,MSDS downloadCAS No.88-14-2,2-Furoic acid Suppliers,MSDS download
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Halaven Eribulin Mesylate 1mg Injection Exporter, ManufacturerHalaven Eribulin Mesylate 1mg Injection Exporter, Manufacturer
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Eribulin mesylate: View Uses, Side Effects and Medicines, cost care | MHP.oooEribulin mesylate: View Uses, Side Effects and Medicines, cost care | MHP.ooo
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Furfuryl Alcohol Market is Expected to Surpass US$ 1,493.7 Mn by 2028 | FMI Report - PharmiWeb.comFurfuryl Alcohol Market is Expected to Surpass US$ 1,493.7 Mn by 2028 | FMI Report - PharmiWeb.com
VALLEY COTTAGE, N.Y. - Furfuryl alcohol (C4H3OCH2OH), also known as 2-furylmethanol or 2-furancarbinol, is an organic compound containing a furan substituted with a hydroxymethyl group. Furfuryl alcohol is made from furfural by means of catalysis with hydrogen. It is colourless or pale yellow in appearance and find...
https://www.pharmiweb.com/press-release/2020-01-03/furfuryl-alcohol-market-is-expected-to-surpass-us-1-4937-mn-by-2028-fmi-report
Catalysts | Free Full-Text | Conversion of Furans by Baeyer-Villiger MonooxygenasesCatalysts | Free Full-Text | Conversion of Furans by Baeyer-Villiger Monooxygenases
Various furans are considered as valuable platform chemicals as they can be derived from plant biomass. Yet, for their exploitation, follow-up chemistry is required. Here we demonstrate that Baeyer-Villiger monooxygenases (BVMOs) can be used as biocatalysts for the selective oxidation of several furans, including 5-(hydroxymethyl) furfural (HMF) and furfural. A total of 15 different BVMOs were tested for their activity on furfural, which revealed that most of the biocatalysts were active on this aromatic aldehyde. Phenylacetone monooxygenase (PAMO) and a mutant thereof (PAMOM446G) were selected for studying their biocatalytic potential in converting furfural and some other furans. While BVMOs are usually known to form an ester or lactone as a normal product by inserting an oxygen atom adjacent to the carbonyl carbon of the substrate, our results reveal that both biocatalysts produce furanoid acids as the main product from the corresponding aldehydes. Altogether, our study shows that BVMOs can be
http://www.mdpi.com/2073-4344/7/6/179
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A theoretical analysis of the kinetics of the reaction of atomic bromine with tetrahydrofuran<...A theoretical analysis of the kinetics of the reaction of atomic bromine with tetrahydrofuran<...
TY - JOUR. T1 - A theoretical analysis of the kinetics of the reaction of atomic bromine with tetrahydrofuran. AU - Lo, John M H. AU - Marriott, Robert A.. AU - Giri, Binod R.. AU - Roscoe, John M.. AU - Klobukowski, Mariusz. PY - 2010/11/5. Y1 - 2010/11/5. N2 - The kinetic behaviour for the reaction of atomic bromine with tetrahydrofuran has been analysed using the information from quantum chemical calculations. Structures and energy profiles were first obtained using density functional theory (DFT) employing the Dunnings basis sets of triple-zeta quality, and then for an accurate energetic description, single-point calculations were carried out at the coupled-cluster with single and double excitations (CCSD) and the fourth-order Møller-Plesset (MP4(SDQ)) levels of theory. The rate coefficients and the equilibrium constants for the potential reaction channels were obtained from the statistical rate theories and statistical thermodynamics, respectively, using the results of quantum chemical ...
https://research.kaust.edu.sa/en/publications/a-theoretical-analysis-of-the-kinetics-of-the-reaction-of-atomic-
Marine sponge derived eribulin in preclinical and clinical studies for cancer<...Marine sponge derived eribulin in preclinical and clinical studies for cancer<...
TY - CHAP. T1 - Marine sponge derived eribulin in preclinical and clinical studies for cancer. AU - Swami, Umang. AU - Shah, Umang. AU - Goel, Sanjay. PY - 2015/1/1. Y1 - 2015/1/1. N2 - Eribulin mesylate is a completely synthetic, structurally simplified, macrocyclic ketone analogue of Halichondrin B. Halichondrin B is complex, natural, macrocyclic polyether derived from marine sponges. Eribulin has been approved by United States Food and Drug Administration in 2010 as a third line therapy for metastatic breast cancer patients, who have previously been treated with an anthracycline and a taxane. It has a microtubule dynamics inhibitory action. Preclinical studies have demonstrated a broad spectrum of anti-tumor activity in various cancer cell lines and synergistic action with multiple anticancer agents. It has also undergone clinical trials in non-small cell lung cancer, pancreatic, prostate, bladder, head and neck cancers, sarcomas and ovarian and other gynecological tumors. Various combination ...
https://einstein.pure.elsevier.com/en/publications/marine-sponge-derived-eribulin-in-preclinical-and-clinical-studie
A Randomized, Phase 2 Trial to Evaluate the Safety and Efficacy of Eribulin Mesylate in Combination With Atezolizumab Compared...A Randomized, Phase 2 Trial to Evaluate the Safety and Efficacy of Eribulin Mesylate in Combination With Atezolizumab Compared...
This randomized phase II trial studies the side effects of atezolizumab with or without eribulin mesylate and how well they work in treating patients with
http://adisinsight.springer.com/trials/700287563?error=cookies_not_supported&code=ffbd2aef-7898-4bb2-83a3-abfeef0f6881
Eribulin mesylate (Halaven) geeft mediaan enkele maanden meer overall overleving bij weke delen tumoren, maar is nog lang geen...Eribulin mesylate (Halaven) geeft mediaan enkele maanden meer overall overleving bij weke delen tumoren, maar is nog lang geen...
Eribulin mesylate (Halaven) geeft mediaan enkele maanden meer overall overleving bij weke delen tumoren, maar is nog lang geen genezende behandeling, toch is er wel hoop voor patienten met weke delen tumoren aldus reviewstudie. Artikel geplaatst 6 augustus 2018
https://kanker-actueel.nl/NL/eribulin-mesylate-halaven-geeft-mediaan-enkele-maanden-meer-overall-overleving-bij-weke-delen-tumoren-maar-is-nog-lang-geen-genezende-behandeling-maar-er-is-wel-hoop-voor-patienten-met-weke-delen-tumoren.html
2-Furoyl chloride - Wikipedia2-Furoyl chloride - Wikipedia
2-Furoyl chloride is an acyl chloride of furan. It takes the form of a corrosive liquid, which is more irritating to the eyes than benzoyl chloride. 2-Furoyl chloride is a useful pharmaceutical intermediate and is used in the synthesis of mometasone furoate, an antiinflammatory prodrug used in the treatment of skin disorders, hay fever and asthma. 2-Furoyl chloride was prepared in 1924 by Gelissen by refluxing 2-furoic acid in excess thionyl chloride on a water bath. 2-Furoyl chloride has no major applications but it has been used as a chemical intermediate in the synthesis of various pharmaceuticals; examples include mometasone furoate, fluticasone furoate, diloxanide furoate, Ceftiofur (Excenel), and mirfentanil. Another use is in the patented synthesis of Diclofurime (Ex 15). Furfurylamine - corresponding amine Furfuryl alcohol - corresponding alcohol Furan-2-ylmethanethiol - corresponding thiol 2-Furoic acid - corresponding carboxylic acid H. Gelissen; van Roon, J. D. (1924). Furfuroyl ...
https://en.wikipedia.org/wiki/2-Furoyl_chloride
Plus itPlus it
Eribulin mesylate (eribulin), an analogue of the marine natural product halichondrin B, is a microtubule-depolymerizing drug that has utility in the treatment of patients with breast cancer. Clinical trial results have demonstrated that eribulin treatment provides a survival advantage to patients with metastatic or locally advanced breast cancer previously treated with an anthracycline and a taxane. Furthermore, a pooled analysis of two pivotal phase III trials has demonstrated that eribulin also improves overall survival in several patient subgroups, including in women with HER2-negative disease and triple-negative breast cancer. This review covers the preclinical research that led to the clinical testing and approval of eribulin, as well as subsequent research that was prompted by distinct and unexpected effects of eribulin in the clinic. Initial studies with halichondrin B demonstrated unique effects on tubulin binding that resulted in distinct microtubule-dependent events and antitumor ...
http://clincancerres.aacrjournals.org/content/early/2015/05/07/1078-0432.CCR-14-3252
Lariciresinol - Health ArticlesLariciresinol - Health Articles
Lariciresinol is a phytochemical in the class of Lignans (phytoestrogens), found abundantly in sesame seed, brassica vegetables, etc. Health Benefits 1. Mammary tumor growth and reduces blood vessel density In the investigation of the effects and possible mechanisms of action of lariciresinol on hormone responsive mammary cancer in vivo in dimethylbenz[a]anthracene induced mammary cancer in …. ...
http://kylenorton.healthblogs.org/category/lariciresinol/
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Furfuryl Alcohol, 98%, ACROS Organics | Fisher ScientificFurfuryl Alcohol, 98%, ACROS Organics | Fisher Scientific
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Design and synthesis of sulfur cross-linked 1,3,4-oxadiazole-nitro(furan/thiophene)-propenones as dual inhibitors of...Design and synthesis of sulfur cross-linked 1,3,4-oxadiazole-nitro(furan/thiophene)-propenones as dual inhibitors of...
Abstract A series of 3-[5-nitro(furan/thiophene)-2-yl]-1-aryl-3-(5-aryl-1,3,4-oxadiazol-2-ylthio)prop-2-en-1-one derivatives was synthesized and studied with the aim of developing dual inhibitors of...
https://rd.springer.com/article/10.1007%2Fs00706-019-02507-2
Conversion of 5-(chloromethyl)-2-furaldehyde into 5-methyl-2-furoic acid and derivatives thereof - Patent # 8710250 -...Conversion of 5-(chloromethyl)-2-furaldehyde into 5-methyl-2-furoic acid and derivatives thereof - Patent # 8710250 -...
The present invention concerns the synthesis of 5-methyl-2-furoic acid, including ester, amide, and thioester derivatives of such from 5-(chloromethyl)-2-furaldehyde (CMF). The molecules so prepared are useful as intermediates for pharmaceutical, food, and fragrance molecules; as well as fuel or fuel additives.
http://www.patentgenius.com/patent/8710250.html
Estimating national dioxins and furans emissions, major sources, intake doses, and temporal trends in Iran from 1990-2010 |...Estimating national dioxins and furans emissions, major sources, intake doses, and temporal trends in Iran from 1990-2010 |...
As the measurements of PCDD/PCDFs are complex, there is no reliable estimation of emissions in most of low- and middle-income countries. In order to help countries identify sources of emissions and to estimate release of PCDD/PCDFs, the United Nations Environment Program (UNEP) has established a Toolkit for Identification and Quantification of Releases of Dioxins, Furans and Other Unintentional Persistent Organic Pollutants (POPs) [21, 22]. The main objective of the Toolkit is to estimate the PCDD/PCDFs emissions from existing sources to the air, water, land, residue, and other products [22]. Therefore, emissions of PCDD/PCDFs were estimated by the methods proposed by the UNEP Toolkit, which consists of five-steps [21-23]. They are 1) the use of screening matrix to identify the major source categories of PCDD/PCDFs, 2) controlling subcategories to determine present activities and sources in the country, 3) collection of detailed information on the processes and classifying processes into similar ...
https://jehse.biomedcentral.com/articles/10.1186/s40201-017-0283-1
Application of Pd catalyzed alkylation: Synthesis of bicyclic furans, by Pasha Moeenuddin KhanApplication of Pd catalyzed alkylation: Synthesis of bicyclic furans, by Pasha Moeenuddin Khan
Palladium is probably the most useful metal in organic syntheses. It has shown great utility in various reactions such as C-C, C-N, C-O bond formation under mild conditions. The presence of abundant amount of palladium-chemistry related literature in the form of books, reviews emphasizes the growing importance of these reagents. Nowadays organopalladium chemistry is being used in various fields such as new methodology development, natural product synthesis, synthesis of polymers. Regio- and stereoselectivity is another facet of Pd catalyzed methodologies which has been extensively utilized in the last decade to obtain enantiopure compounds. The main emphasis of this work is to utilize Pd catalyzed allylic alkylation to synthesize new heterocycles including furans, isoxazolines and new cyclopentane amino-acid analogs in an enantioselective manner. The stereochemical outcome of these reactions is influenced by desymmetrization catalyzed by hydrolytic enzymes namely lipases. Chapter 1 reviews the recent
http://scholarcommons.usf.edu/etd/329/
PQR | 7-methoxy-1-methyl-2-nitronaphtho[2,1-b]furanPQR | 7-methoxy-1-methyl-2-nitronaphtho[2,1-b]furan
You are viewing an interactive 3D depiction of the molecule 7-methoxy-1-methyl-2-nitronaphtho[2,1-b]furan (C14H11NO4) from the PQR.
https://pqr.pitt.edu/mol/CRJXXSSTSDKPEJ-UHFFFAOYSA-N
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Relativistic effects on linear and non-linear polarizabilities of the furan homologuesRelativistic effects on linear and non-linear polarizabilities of the furan homologues
First principles calculations including relativistic effects are carried out for dipole moments, polarizabilities, first- and second-order hyperpolarizabilities for the series of furan homologues XC4H 4, X = O, S, Se, Te, at three different levels of theory, time-dependent Dirac-Hartree-Fock (DHF), time-dependent Hartree-Fock with a Douglas-Kroll transformed one-component Hamiltonian, and time-dependent Hartree-Fock using effective-core potentials. By comparison with the corresponding non-relativistic results, the influence of relativistic effects on the properties as well as the accuracy of previously reported calculations on these molecules using effective-core potentials for selenium and tellurium can be addressed. The obtained results indicate that relativistic effects can be described with comparable accuracy at all three employed levels, and that non-scalar effects, which are explicitly treated only at the time-dependent DHF level, are of minor importance. Frequency dispersion and ...
http://liu.diva-portal.org/smash/record.jsf?pid=diva2:267410
A Thermodynamic Study on the Cationic Ring-Opening Polymerization of TetrahydrofuranA Thermodynamic Study on the Cationic Ring-Opening Polymerization of Tetrahydrofuran
نسخه قابل چاپ خلاصه مقاله A Thermodynamic Study on the Cationic Ring-Opening Polymerization of Tetrahydrofuran - گواهی پذیرش مقاله در کنفرانس
https://civilica.com/doc/580172/certificate/print/
Ethers, Cyclic | Profiles RNSEthers, Cyclic | Profiles RNS
Gitlitz BJ, Tsao-Wei DD, Groshen S, Davies A, Koczywas M, Belani CP, Argiris A, Ramalingam S, Vokes EE, Edelman M, Hoffman P, Ballas MS, Liu SV, Gandara DR. A phase II study of halichondrin B analog eribulin mesylate (E7389) in patients with advanced non-small cell lung cancer previously treated with a taxane: a California cancer consortium trial. J Thorac Oncol. 2012 Mar; 7(3):574-8 ...
https://profiles.uchicago.edu/profiles/display/14241
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US4064145A - Production of tetrahydrofuran - Google PatentsUS4064145A - Production of tetrahydrofuran - Google Patents
This invention provides a process for producing 4-hydroxybutanal in a yield of at least 87 percent by hydroformylation of allyl alcohol in a solvent at a temperature of about 20° C-120° C and a pressure of about 15-150 psi in the presence of a rhodium metal-phosphine complex hydroformylation catalyst. Also provided are additional processing procedures for recovering the 4-hydroxybutanal product and converting it into 1,4-butanediol and tetrahydrofuran.
https://patents.google.com/patent/US4064145A/en
Tetrahydrofuran : propylene glycol | BioExpressTetrahydrofuran : propylene glycol | BioExpress
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A phase III clinical study to compare the combination therapy of eribulin mesylate + trastuzumab + pertuzumab with paclitaxel...A phase III clinical study to compare the combination therapy of eribulin mesylate + trastuzumab + pertuzumab with paclitaxel...
The purpose of this study is to verify that combination therapy with trastuzumab + pertuzumab + eribulin brings similar PFS and better QOL compared to
http://adisinsight.springer.com/trials/700286270?error=cookies_not_supported&code=76020df5-bdf6-4ce8-962c-6a0aea9df124
Biomass pre-treatment for co-production of high-concentration C5- and C6-carbohydrates and their derivatives - Energy...Biomass pre-treatment for co-production of high-concentration C5- and C6-carbohydrates and their derivatives - Energy...
Described is a method of processing biomass to separate it into a liquid fraction enriched in solubilized C5-sugar-containing oligomers and C-5 sugar monomers and a solid fraction enriched in substantially insoluble cellulose and C6-sugar-containing oligomers. The method includes the steps of reacting biomass with a solvent system comprising water, at least one lactone, or at least one furan, or at least one cyclic ether, and at least one acid, for a time and at a temperature to yield the liquid and solid fractions. The liquid and solid fractions may then be separated. Gamma-valeroloactone is a preferred lactone for use in the solvent system. Tetrahydrofuran is a preferred furan species for use in the solvent system.
http://techportal.eere.energy.gov/patent.do/ID=32262
The Piancatelli rearrangement of non-symmetrical furan-2,5dicarbinols for the synthesis of highly functionalized...The Piancatelli rearrangement of non-symmetrical furan-2,5dicarbinols for the synthesis of highly functionalized...
Substituted and non-symmetrical furan-2,5-dicarbinols were readily prepared from hydroxymethylfurfural (HMF), a renewable raw material from biomass. The Piancatelli rearrangement of these furan-2,5-dicarbinols, catalyzed by DyCl3 and under microwave activation, affords 5-substituted-4-hydroxymethyl-4-hydroxycyclopentenones in a regio-and diastereoselective manner. This methodology can be extended to aza-Piancatelli type reactions by using nitrogen nucleophiles, to furnish the corresponding aminocyclopentenone derivatives. These synthetized bis-hydroxylated cyclopentenone derivatives exhibited significant cytotoxicity against eight human tumor cell lines.
https://hal-universite-paris-saclay.archives-ouvertes.fr/hal-03215511
ELECTRODE FORMING METHOD RELATING TO HEAT GENERATING FIXING BELT, HEAT GENERATING FIXING BELT AND FIXING APPARATUS - Patent...ELECTRODE FORMING METHOD RELATING TO HEAT GENERATING FIXING BELT, HEAT GENERATING FIXING BELT AND FIXING APPARATUS - Patent...
0130] The number average molecular weight of the polyamide acid is a value obtained by measuring a tetrahydrofuran (THF)-dissolved portion with gel permeation chromatography (GPC). Specifically, the measurement is carried out as follows: an apparatus HLC-8220 (available from TOSOH CORPORATION) and column TSK guardcolumn+TSK gel Super HZM-M3 triple series (available from TOSOH CORPORATION) are used; tetrahydrofuran (THF) is allowed to flow as a carrier medium at a flow rate of 0.2 ml/min while maintaining the column temperature at 40° C.; a sample to be measured is dissolved in tetrahydrofuran in a concentration of 1 mg/ml under dissolving conditions where ultrasonic treatment is carried out for 5 minutes with an ultrasonic disperser at room temperature; subsequently, a sample solution is prepared by treatment with a membrane filter having a pore size of 0.2 μm; 10 μl of this sample solution is injected into the apparatus together with the aforementioned carrier medium; detection is ...
http://www.patentsencyclopedia.com/app/20130149439
Towards ocean based biorefinery | University of BathTowards ocean based biorefinery | University of Bath
Abstract: Singapore is reputed for its delicious seafood such as chili crab. One of the major components in the leftover crab shells is chitin, which is the world second most abundant renewable organic carbon resources bearing 7 wt% fixed nitrogen. This presentation will highlight recent advances within the group on the valorization chitin into value added chemicals and materials. The essence of these transformations is to harness the valuable functional groups originally presented in chitin, to produce furan derivatives, polyols, amino sugars and so on, via advanced catalysis.. At the end of the presentation, various other projects undergoing in the group will also be introduced.. About the speaker: Ning Yan is currently an Assistant Professor in the Department of Chemical & Biomolecular Engineering at the National University of Singapore. He was recently awarded the inauguration UNESCO Green Chemistry for Life Award. Before coming to NUS he was a Marie-Curie Research Fellow in Paul Dysons lab ...
http://www.bath.ac.uk/csct/events/20150216-towards-ocean-based-biorefinery.html
FDA-Approved Chemotherapy for Metastatic Breast Cancer | HALAVEN® (eribulin mesylate) InjectionFDA-Approved Chemotherapy for Metastatic Breast Cancer | HALAVEN® (eribulin mesylate) Injection
Learn more about FDA-approved HALAVEN, an injectable chemotherapy treatment for metastatic breast cancer. Please see the full Indication and Important Safety Information for HALAVEN.
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HALAVEN® (eribulin mesylate) Injection: Treatment for Metastatic Breast Cancer (mBC)HALAVEN® (eribulin mesylate) Injection: Treatment for Metastatic Breast Cancer (mBC)
Learn about HALAVEN® (eribulin mesylate), an injectable treatment for patients with third-line Metastatic Breast Cancer (mBC). See the full Indication and Important Safety Information for HALAVEN®.
https://www.halaven.com/metastatic-breast-cancer
JP4524111B2 - Method for producing HMG-CoA reductase inhibitor - Google PatentsJP4524111B2 - Method for producing HMG-CoA reductase inhibitor - Google Patents
A three-necked round bottom flask equipped with a stir bar, digital thermometer and argon inlet / outlet is charged with dry tetrahydrofuran (7.5 mL) and cooled to −78 ° C. Sodium borohydride (172.5 mg, 4.56 mmol) was added under a stream of argon, then diethyl-methoxyborane (0.694 g, 50% solution in tetrahydrofuran, 3.47 mmol) at −78 ° C. Added. The mixture is stirred for 5 minutes at this temperature. Then crude (E)-(R) -7- [2-cyclopropyl-4- (4-fluorophenyl) quinoline-3-dissolved in dry tetrahydrofuran (1.8 mL) and dry methanol (2.2 mL). Yl] -3-hydroxy-5-oxo-6-heptenoic acid ((S) -1-phenyl-ethyl) amide (1.84 g, 3.52 mmol) was slowly added in about 30 minutes at -78 ° C. Add dropwise and continue stirring at this temperature for 1 hour. For workup, the reaction mixture is poured into a solution of sodium bicarbonate (0.383 g) in water (12 mL) and isopropyl acetate (30 mL) is added. The biphasic solution is stirred at room temperature for 30 minutes until gas evolution ceases. Separate ...
https://patents.google.com/patent/JP4524111B2/en
Eisai Announces Initiation of a Phase 3 Trial of Eribulin Mesylate Injection Versus Weekly Paclitaxel in First and Second Lines...Eisai Announces Initiation of a Phase 3 Trial of Eribulin Mesylate Injection Versus Weekly Paclitaxel in First and Second Lines...
At Eisai Inc., human health care is our goal. We give our first thoughts to patients and their families, and helping to increase the benefits health care provides. As the U.S. pharmaceutical subsidiary of Tokyo-based Eisai Co., Ltd., our passionate commitment to patient care is the driving force behind our efforts to help address unmet medical needs. We are a fully integrated pharmaceutical business with discovery, clinical, manufacturing and marketing capabilities. Our key areas of commercial focus include oncology and specialty care (Alzheimers disease, epilepsy and metabolic disorders). To learn more about Eisai Inc., please visit us at www.eisai.com/US. Eisai Inc. has affiliates that are part of a global product creation organization that includes R&D facilities in Massachusetts, New Jersey, North Carolina and Pennsylvania, as well as a global demand chain organization that includes manufacturing facilities in Maryland and North Carolina. Eisais global areas of R&D focus include ...
https://test.mediaroom.com/eisaiinc/2014-02-27-Eisai-Announces-Initiation-of-a-Phase-3-Trial-of-Eribulin-Mesylate-Injection-Versus-Weekly-Paclitaxel-in-First-and-Second-Lines-of-Metastatic-Breast-Cancer
Study to Assess Safety and Preliminary Activity of Eribulin Mesylate in Pediatric Participants With Relapsed/Refractory...Study to Assess Safety and Preliminary Activity of Eribulin Mesylate in Pediatric Participants With Relapsed/Refractory...
An SAE is any untoward medical occurrence that at any dose: results in death; is life threatening (ie, the participant was at immediate risk of death from the adverse event as it occurred; this does not include an event that, had it occurred in a more severe form or was allowed to continue, might have caused death); requires inpatient hospitalization or prolongation of existing hospitalization; results in persistent or significant disability/incapacity; is a congenital anomaly/birth defect (in the child of a participant who was exposed to the study drug). A treatment-emergent adverse event (TEAE) is defined as an AE that emerges during treatment, having been absent at pretreatment (Baseline) or (1) reemerges during treatment, having been present at pretreatment (Baseline) but stopped before treatment, or (2) worsens in severity during treatment relative to the pretreatment state, when the AE is continuous ...
https://www.clinicaltrials.gov/ct2/show/study/NCT03441360
Furanose | Article about Furanose by The Free DictionaryFuranose | Article about Furanose by The Free Dictionary
Looking for Furanose? Find out information about Furanose. A sugar whose cyclic or ring structure resembles that of furan. a ring-shaped monosaccharide containing a five-member furan ring. Unlike the six-member... Explanation of Furanose
http://encyclopedia2.thefreedictionary.com/Furanose
2,5-Furandicarboxylic acid2,5-Furandicarboxylic acid
Catalytic conversions of various furan derivatives[edit]. The third class includes reactions describing the synthesis of FDCA ... The potential applications of furan-based building blocks for polymer applications has been extensively reviewed by Gandini.[20 ... The second class of synthesis routes include the oxidation reactions of various 2,5-disubstituted furans utilizing a variety of ... Furan-2,5-dicarboxylic acid (FDCA) has been suggested as an important renewable building block because it can substitute for ...
https://en.wikipedia.org/wiki/2,5-Furandicarboxylic_acid
Frank WestheimerFrank Westheimer
Kohler, E. P.; Westheimer, F. H.; Tishler, M. (February 1936). "Hydroxy Furans. I. Beta Hydroxy Triphenylfuran". Journal of the ...
https://en.wikipedia.org/wiki/Frank_Westheimer
Tetrahydrofurfuryl acetateTetrahydrofurfuryl acetate
Maga, Joseph A.; Katz, Ira (May 1979). "Furans in foods". CRC Critical Reviews in Food Science and Nutrition. 11 (4): 355-400. ...
https://en.wikipedia.org/wiki/Tetrahydrofurfuryl_acetate
Winter service vehicleWinter service vehicle
Furan, Amy. "Dream Job: Snowplow Driver". salary.com. Archived from the original on 1 May 2007. Retrieved 23 April 2007.. ...
https://en.wikipedia.org/wiki/Gritter
TellurophenesTellurophenes
... furan. A variety of protocols for the synthesis of tellurophenes have been developed, such as metal-catalyzed cross coupling ... "A comparative study of the aromatic character of furan, thiophen, selenophen, and tellurophen". Journal of the Chemical Society ...
https://en.wikipedia.org/wiki/Tellurophenes
OxanorbornadieneOxanorbornadiene
2. Dien-Synthesen des Furans.)". Justus Liebig's Annalen der Chemie. 490 (1): 243-257. doi:10.1002/jlac.19314900110. Van Berkel ... 3-triazoles and furans. The intermediate triazolines avoid detection because of a very strong thermodynamic drive to collapse ... readily obtainable by a Diels-Alder cycloaddition between furans and acetylenedicarboxylates such as DMAD. OND-2,3- ...
https://en.wikipedia.org/wiki/Oxanorbornadiene
Asymmetric hydrogenationAsymmetric hydrogenation
The asymmetric hydrogenation of furans and benzofurans has so far proven challenging. Some Ru-NHC complex catalyze asymmetric ... The asymmetric hydrogenation of furans and benzofurans As is the case with oxygen-containing heterocycles, the asymmetric ... Wysocki, Jędrzej; Ortega, Nuria; Glorius, Frank (2014). "Asymmetric Hydrogenation of Disubstituted Furans". Angewandte Chemie ... hydrogenations of benzofurans and furans. with high levels of enantioinduction. ...
https://en.wikipedia.org/wiki/Asymmetric_hydrogenation
EtherEther
The aromatic ethers include furans. Acetals (α-alkoxy ethers R-CH(-OR)-O-R) are another class of ethers with characteristic ...
https://en.wikipedia.org/wiki/Ether
Dioxins and dioxin-like compoundsDioxins and dioxin-like compounds
TEFs exist for seven congeners of dioxins, ten furans and twelve PCBs. The reference congener is the most toxic dioxin TCDD ... WHO fact sheet Dioxins & Furans: The Most Toxic Chemicals Known to Science Synopsis on dioxins and PCBs. ... furans, and polychlorinated biphenyls as a function of age, body fat, smoking status, and breast-feeding". Environmental Health ... or furans. PCDFs are derivatives of dibenzofuran. There are 135 isomers; 10 have dioxin-like properties. Polychlorinated ...
https://en.wikipedia.org/wiki/Dioxins_and_dioxin-like_compounds
List of cities, towns and villages in Markazi ProvinceList of cities, towns and villages in Markazi Province
Furan Gachlu , Garakan , Garmab , Gav Khaneh , Gavar , Gavi Cheshmeh , Gavjellu , Gazavand , Gazeran , Gazeran , Gaztaf-e Olya ...
https://en.wikipedia.org/wiki/List_of_cities,_towns_and_villages_in_Markazi_Province
FurfuralFurfural
... is used to make other furan derivatives, such as furoic acid, via oxidation, and furan itself via palladium catalyzed ... Limpricht apparently thought that furan was cyclobutadiene to which a hydroxyl (OH) group was attached. Hence he named furan " ... Baeyer's proposed structures for furan appears on p. 1361. In 1870, the German chemist Heinrich Limpricht prepared furan by ... It has an aldehyde group attached to the 2-position of furan. It is a product of the dehydration of sugars, as occurs in a ...
https://en.wikipedia.org/wiki/Furfural
Andert-et-CondonAndert-et-Condon
It is watered by the Furans. In addition to the village, the commune has several hamlets: Gevrin, Andert, and les Barraques et ... Andert castle and Beauregard Manor overlook the road down to Contrevoz on the Furans. In 1838 on Andert bridge there was the ... The Chateau of Andert Park At the south-eastern tip of the commune is the Pont de Bognens medieval bridge across the Furans ...
https://en.wikipedia.org/wiki/Andert-et-Condon
Alison R. H. NarayanAlison R. H. Narayan
Sherman, David H.; Houk, K. N.; Montgomery, John; Podust, Larissa M.; Li, Zhe; Furan, Lawrence R.; Yun-Fang Yang; Ramabhadran, ...
https://en.wikipedia.org/wiki/Alison_R._H._Narayan
Al SobotkaAl Sobotka
Furan, Amy (2006). "Dream Jobs: Zamboni Driver". Archived from the original on July 5, 2006. Retrieved April 3, 2007 - via ...
https://en.wikipedia.org/wiki/Al_Sobotka
2-Methylfuran2-Methylfuran
2-METHYL-FURAN". Retrieved 2008-08-26. CS1 maint: discouraged parameter (link) "2-methyl furan". The Good Scents Company. ...
https://en.wikipedia.org/wiki/2-Methylfuran
Perilla ketonePerilla ketone
... is a natural terpenoid that consists of a furan ring with a six-carbon side chain containing a ketone functional ... Perilla: Botany, Uses and Genetic Resources Matsuura, Teruo (1957). "Natural furan derivatives. I. The synthesis of perilla ...
https://en.wikipedia.org/wiki/Perilla_ketone
Dioxins and dioxin-like compoundsDioxins and dioxin-like compounds
Toxic equivalence factors (TEFs) exist for seven congeners of dioxins, ten furans and twelve PCBs. The reference congener is ... Polychlorinated dibenzofurans (PCDFs), or furans. PCDFs are derivatives of dibenzofuran. There are 135 isomers, ten have dioxin ... in case of dioxins and furans, chlorine substitutes in positions 2,3,7, and 8.[2] Each additional non-lateral chlorine ... "Apparent half-lives of dioxins, furans, and polychlorinated biphenyls as a function of age, body fat, smoking status, and ...
https://en.wikipedia.org/wiki/Dioxin_compound
Electronic wasteElectronic waste
These noxious fumes include dioxins and furans. Bonfire refuse can be disposed of quickly into drainage ditches or waterways ... dioxins and furans into the environment. Researchers such as Brett Robinson, a professor of soil and physical sciences at ... dioxin and furans. Workers in formal industry are also exposed to more brominated flame-retardants than reference groups. For ...
https://en.wikipedia.org/wiki/Electronic_waste
2,3-Dihydrofuran2,3-Dihydrofuran
Wilson, Christopher L. (December 1947). "Reactions of Furan Compounds. VII. Thermal Interconversion of 2,3-Dihydrofuran and ...
https://en.wikipedia.org/wiki/2,3-Dihydrofuran
Büchner-Curtius-Schlotterbeck reactionBüchner-Curtius-Schlotterbeck reaction
Ramonczai, J.; L. Vargha (June 1950). "Studies of furan compounds. III. A new synthesis of furyl ketones". Journal of the ...
https://en.wikipedia.org/wiki/Büchner–Curtius–Schlotterbeck_reaction
ArsoleArsole
Furan, an oxygen analog. Thiophene, a sulfur analog. Simple aromatic rings Varsol, a petroleum distillate with a boiling range ...
https://en.wikipedia.org/wiki/Arsole
Ambenob Rural LLGAmbenob Rural LLG
Furan / Sisiak 03. Korong / Opi 04. Kamba / Kuris 05. Siar / Wadan 06. Riwo / Nagada 07. Amron / Baitabag 08. Budad Haven 09. ...
https://en.wikipedia.org/wiki/Ambenob_Rural_LLG
Air pollution in Mexico CityAir pollution in Mexico City
... dioxins and furans; the strengthening of technical capacities of personnel and equipment in the inspection and surveillance ...
https://en.wikipedia.org/wiki/Air_pollution_in_Mexico_City
1,3-Diphenylisobenzofuran1,3-Diphenylisobenzofuran
W. Friedrichsen (1980), "Benzo[c]furans", Adv. Heterocycl. Chem., Advances in Heterocyclic Chemistry, 26, pp. 135-234, doi: ... 10.1016/S0065-2725(08)60141-5, ISBN 9780120206261 W. Friedrichsen (1999), "Recent advances in the chemistry of benzo[c]furans ...
https://en.wikipedia.org/wiki/1,3-Diphenylisobenzofuran
Tetrahydro-2-furoic acidTetrahydro-2-furoic acid
"Palladium-catalyzed asymmetric hydrogenation of furan carboxylic acids". Journal of Catalysis. 219 (1): 52-58. doi:10.1016/ ... "Enantioselective homogeneous hydrogenation of monosubstituted pyridines and furans". Monatshefte für Chemie. 131 (12): 1335- ...
https://en.wikipedia.org/wiki/Tetrahydro-2-furoic_acid
Load following power plantLoad following power plant
Fu, Ran (10 February 2016). "2018 U.S. Utility-Scale PhotovoltaicsPlus-Energy Storage System Costs Benchmark" (PDF). NREL. ...
https://en.wikipedia.org/wiki/Load_following_power_plant
Heterocyclic compoundHeterocyclic compound
1832: Dobereiner produces furfural (a furan) by treating starch with sulfuric acid. 1834: Runge obtains pyrrole ("fiery oil") ... Included are pyridine, thiophene, pyrrole, and furan. Another large class of heterocycles are fused to benzene rings, which for ... "Design, synthesis of novel furan appended benzothiazepine derivatives and in vitro biological evaluation as potent VRV-PL-8a ... pyridine, thiophene, pyrrole, and furan are quinoline, benzothiophene, indole, and benzofuran, respectively. Fusion of two ...
https://en.wikipedia.org/wiki/Heterocyclic_ring
MethoxsalenMethoxsalen
They consist of coumarin annulated with furan. It can also be injected and used topically. Methoxsalen is extracted from Ammi ...
https://en.wikipedia.org/wiki/Methoxsalen
TetrahydrofuranTetrahydrofuran
Furan is thus derivable from renewable resources. Applications[edit]. Polymerization[edit]. In the presence of strong acids, ... THF can also be synthesized by catalytic hydrogenation of furan.[8][9] Certain sugars can be converted to THF,[citation needed] ...
https://en.wikipedia.org/wiki/Tetrahydrofuran
4-Ipomeanol4-Ipomeanol
These are the furan ring, the ketone group and the alcohol group. The furan ring is aromatic according to Hückel's rule, so the ... It consists of a furan ring, which is substituted at the third carbon of the furan ring with a pentanone containing a hydroxyl ... Furan is heterocyclic, which means that it is cyclic, but one or more of the ring atoms is not a carbon atom. In the case of ... A furan ring is a five-membered aromatic ring consisting of one oxygen atom and four carbon atoms; a pentanone is a ketone ...
https://en.wikipedia.org/wiki/4-Ipomeanol
Fluorinated Furans and Benzofurans | SpringerLinkFluorinated Furans and Benzofurans | SpringerLink
... and application of furans and benzofurans bearing a fluorine atom and a trifluoromethyl group are reviewed. ... Lyalin VV, Grigorash RV, Alekseeva LA, Yagupolskii LM (1975) Mono(trifluoromethyl)furans and bis(trifluoromethyl)furans. Russ J ... Wilson WS, Warrener RN (1972) A mild retro-[π4S+π2S] cleavage route to furans and fulvenes. J Chem Soc Chem Commun 211-212 ... Palladium-catalyzed alkenylation of fluoro-substituted furans via C-H activation to form tetrasubstituted furans. Tetrahedron ...
https://link.springer.com/chapter/10.1007%2F978-3-319-04346-3_5
furans - European Environment Agencyfurans - European Environment Agency
furans This website has limited functionality with javascript off. Please make sure javascript is enabled in your browser. ... For references, please go to https://www.eea.europa.eu/help/glossary/eea-glossary/furans or scan the QR code. ...
https://www.eea.europa.eu/help/glossary/eea-glossary/furans
Dioxins, Furans, coplanar polychlorinated biphenyls (PCBs) Laboratory Capacity | CDCDioxins, Furans, coplanar polychlorinated biphenyls (PCBs) Laboratory Capacity | CDC
Body burden levels of dioxin, furans, and PCBs among frequent consumers of Great Lakes sport fish. The Great Lakes Consortium. ... Table of laboratory methods panels for Dioxins, Furans, coplanar polychlorinated biphenyls (PCBs). Chemical. Specimen Type. ... Biomonitoring Factsheet: Dioxins, Furans and Dioxin-Like Polychlorinated Biphenyls. National Report on Human Exposure to ... On the isolation of polychlorinated dibenzo-p-dioxins and furans from serum samples using immunoaffinity chromatography prior ...
https://www.cdc.gov/nceh/dls/oatb_capacity_05.html
IDLH Value Profile: Furan | NIOSH | CDCIDLH Value Profile: Furan | NIOSH | CDC
The purpose of this technical report is to present the IDLH value for furan (CAS® #110-00-9). ... The purpose of this technical report is to present the IDLH value for furan (CAS® #110-00-9). The scientific basis, toxicologic ... Immediately Dangerous to Life or Health (IDLH) Value Profile: Furan. ...
https://www.cdc.gov/niosh/docs/2016-171/default.html
Furan - WikipediaFuran - Wikipedia
Furan is used as a starting point for other speciality chemicals. The name "furan" comes from the Latin furfur, which means ... Furan is therefore listed as a possible human carcinogen. BS 4994 - Furan resin as thermoset FRP for chemical process plant ... Many routes exist for the synthesis of substituted furans. Furan is aromatic because one of the lone pairs of electrons on the ... Hydrogenation of furans sequentially affords dihydrofurans and tetrahydrofurans. In the Achmatowicz reaction, furans are ...
https://en.wikipedia.org/wiki/Furan
Dioxins and Furans : WatersDioxins and Furans : Waters
APGC-MS/MS Investigation of a Complex Mixture of Polyhalogenated Dioxins and Furans (PXDD/Fs) Generated in Fire Debris ...
http://www.waters.com/waters/en_GB/Dioxins-and-Furans/nav.htm?cid=134802162&locale=en_GB
Furan (disambiguation) - WikipediaFuran (disambiguation) - Wikipedia
Furan, the chemical industrial compound Polychlorinated dibenzofurans, an unintentional contaminant byproduct of furans Furan ( ... river) in France Furan, Iran, a village in Markazi Province, Iran Nitrofurantoin, by the trade name Furan This disambiguation ... page lists articles associated with the title Furan. If an internal link led you here, you may wish to change the link to point ...
https://en.wikipedia.org/wiki/Furan_(disambiguation)
RhymeZone: furan related wordsRhymeZone: furan related words
Synonyms and other words related to furan:. = 48 && event.charCode <= 57 value="Num letters..." onfocus="inputFocus(this)" ...
https://rhymezone.com/r/rhyme.cgi?Word=furan&org1=syl&org2=l&org3=y&typeofrhyme=rel&loc=def
Dioxins and Furans | Environment | SGSDioxins and Furans | Environment | SGS
SGS dioxin and furan analysis can accurately measure trace quantities to improve your site safety. Find out more. ... Toxic dioxins and furans can accumulate through industrial processes. ... Environment Dioxins and Furans. Dioxins and furans are carcinogenic and so are some of the most regulated environmental ... Home › Environment › Air, Noise, Odor and Vibration › Laboratory Analysis › Specialty Analyses › Dioxins and Furans ...
https://www.sgs.com/en/environment/air-noise-odor-and-vibration/laboratory-analysis/specialty-analyses/dioxins-and-furans
Furans - Heterocyclic Building Blocks | Sigma-AldrichFurans - Heterocyclic Building Blocks | Sigma-Aldrich
Environmental Health Perspectives - Dioxins and FuransEnvironmental Health Perspectives - Dioxins and Furans
EHP is pleased to present the abstracts from the 29th Annual Scientific Conference of the International Society for Environmental Epidemiology (ISEE), held in Sydney, Australia, 24-28 September 2017. The conference was hosted by The University of Sydney and cosponsored by the Woolcock Institute of Medical Research, with the theme "Healthy Places, Healthy People-Where Are the Connections?". ...
https://ehp.niehs.nih.gov/tag/dioxins-and-furans/
Furan, 2-nonanoylFuran, 2-nonanoyl
The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database ...
https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C13H20O2/c1-2-3-4-5-6-7-9-12
Furan, 2-methylFuran, 2-methyl
Green J.H.S., Spectroscopic and thermodynamic properties of furan derivatives. I. 2- and 2,5-substituted compounds, Spectrochim ... Energy storage capacity of reversible liquid-phase Diels Alder reaction between maleic anhydride and 2-methyl furan, Am. Inst. ...
https://webbook.nist.gov/cgi/cbook.cgi?Source=1965CAR%2FWES134-135&Units=SI&Mask=B
Furan, 2-propylFuran, 2-propyl
Other names: 2-Propylfuran; Furan, «alpha»-propyl-; 2-n-Propylfuran * Permanent link for this species. Use this link for ...
https://webbook.nist.gov/cgi/cbook.cgi?ID=C4229918&Units=CAL&Mask=FFFF&Type=LINEAR-RI-NON-POLAR-CUSTOM
Furan - definition of furan by The Free DictionaryFuran - definition of furan by The Free Dictionary
furan synonyms, furan pronunciation, furan translation, English dictionary definition of furan. n. 1. A colorless, volatile, ... Related to furan: furan resin. fu·ran. (fyo͝or′ăn′, fyo͝o-răn′). n.. 1. A colorless, volatile, heterocyclic organic compound, C ... Furan, which is possibly carcinogenic, usually appears in products that have been thermally processed.. Furan caused by ... Furan - definition of furan by The Free Dictionary https://www.thefreedictionary.com/furan ...
https://www.thefreedictionary.com/furan
Furans | IPENFurans | IPEN
Toxics Link Dioxins and Furans booklet.pdf. Toxics Link Dioxins and Furans booklet.pdf ... Ongoing review and updating of the Standardized Toolkit for Identification and Quantification of Dioxin and Furan Releases - An ...
http://ipen.org/tags/furans
Dioxins and Furans Monitoring (Monitoring and Testing) ...Dioxins and Furans Monitoring (Monitoring and Testing) ...
Results for dioxins and furans monitoring equipment from CarboTech, Fluepac, Biotox and other leading brands for monitoring and ... ENVEA - Model Amesa-D - Dioxins & Furans Permanent Sampler. Continuous dioxin and furan emission monitoring by long-term ... Dioxins and Furans Monitoring equipment for Monitoring and Testing in Canada In Canada Available in Canada Near Canada ... furans (PCDF) and other persistent organic contaminant (POPs). AMESA-D is the most utilized dioxin monitoring ... ...
https://www.environmental-expert.com/monitoring-testing/dioxins-and-furans-monitoring/products/location-canada
Furan - WikipediaFuran - Wikipedia
The name "furan" comes from the Latin furfur, which means bran.[5] The first furan derivative to be described was 2-furoic acid ... Synthesis of furansEdit. The Feist-Benary synthesis is a classic way to synthesize furans, although many syntheses have been ... For other uses, see Furan (disambiguation).. Furan is a heterocyclic organic compound, consisting of a five-membered aromatic ... Hydrogenation of furans sequentially affords dihydrofurans and tetrahydrofurans.. *In the Achmatowicz reaction, furans are ...
https://en.m.wikipedia.org/wiki/Furan
NHANES 2003-2004: Dioxins, Furans, & Coplanar PCBs Data Documentation, Codebook, and FrequenciesNHANES 2003-2004: Dioxins, Furans, & Coplanar PCBs Data Documentation, Codebook, and Frequencies
Dioxins, Furans, & Coplanar PCBs (L28DFP_C) Data File: L28DFP_C.xpt First Published: April 2008. Last Revised: NA ... Together with the polychlorinated dioxins and furans, these two special classes of PCBs are often referred to as "dioxin-like" ...
https://wwwn.cdc.gov/Nchs/Nhanes/2003-2004/L28DFP_C.htm
Synthesis and scavenging role of furan fatty acids | PNASSynthesis and scavenging role of furan fatty acids | PNAS
2005) Furan fatty acids: Occurrence, synthesis, and reactions. Are furan fatty acids responsible for the cardioprotective ... Furan fatty acids. Rachelle A. S. Lemke, Amelia C. Peterson, Eva C. Ziegelhoffer, Michael S. Westphall, Henrik Tjellström, ... Furan fatty acids. Rachelle A. S. Lemke, Amelia C. Peterson, Eva C. Ziegelhoffer, Michael S. Westphall, Henrik Tjellström, ... 2011) Furan fatty acid as an anti-inflammatory component from the green-lipped mussel Perna canaliculus. Proc Natl Acad Sci USA ...
https://www.pnas.org/content/111/33/E3450
Techniques for Measurement and Removal of Dioxins and Furans - 1st EdiTechniques for Measurement and Removal of Dioxins and Furans - 1st Edi
This book is a well organised treatise on identification and measurement of dioxins and furan in the environment. It focuses on ... Source and Formation of Dioxins and Furans. Global Contamination and Movement of Dioxins and Furans in Environment. Health ... Analytical Method for Dioxins and Furans. Development of Removal Techniques for Dioxins and Furans. References. ... This book is a well organised treatise on identification and measurement of dioxins and furan in the environment. It focuses on ...
https://www.routledge.com/Techniques-for-Measurement-and-Removal-of-Dioxins-and-Furans/Shahare/p/book/9780367781651
Catalysts | Free Full-Text | Conversion of Furans by Baeyer-Villiger MonooxygenasesCatalysts | Free Full-Text | Conversion of Furans by Baeyer-Villiger Monooxygenases
Altogether, our study shows that BVMOs can be employed for the selective oxidation of furans. ... were selected for studying their biocatalytic potential in converting furfural and some other furans. While BVMOs are usually ... can be used as biocatalysts for the selective oxidation of several furans, including 5-(hydroxymethyl) furfural (HMF) and ... Various furans are considered as valuable platform chemicals as they can be derived from plant biomass. Yet, for their ...
http://www.mdpi.com/2073-4344/7/6/179
Furan Contamination News on Environmental XPRTFuran Contamination News on Environmental XPRT
Get the latest furan contamination news on Environmental XPRT, the worlds largest environmental industry marketplace and ... Keenan is known for his skills in risk assessment of PCBs, dioxins, furans, chromium, and mercury and for the development of ... The sediments are contaminated with high levels of dioxins and furans, chlorobenzenes, metals, and other materials. On June 27 ...
https://www.environmental-expert.com/news/keyword-furan-contamination-104227
Furan - Substance Information - ECHAFuran - Substance Information - ECHA
Furan. Regulatory process names 11 Translated names 22 CAS names 1 IUPAC names 4 Other identifiers 2 ...
https://echa.europa.eu/substance-information/-/substanceinfo/100.003.390
Furan - Registration Dossier - ECHAFuran - Registration Dossier - ECHA
log Octanol-water partition coefficient [furan]: 1.34. Key value for chemical safety assessment. Log Kow (Log Pow):. 1.34. ... Pennakem (2011), Safety Data Sheet: Furan, Company Safety Data Sheet, Penn A Kem LLC 3324 Chelsea Avenue Memphis, TN 38108, ... of Furans, QSAR Model Reporting Format, PFA.257.000.001, Reconsile. ...
https://echa.europa.eu/registration-dossier/-/registered-dossier/10633/4/8
Isolation and Characterization of Bacteria That Use Furans as the Sole Carbon Source | SpringerLinkIsolation and Characterization of Bacteria That Use Furans as the Sole Carbon Source | SpringerLink
P. putida ALS1267 was the most tolerant to furans and tolerated 17 mM furfural or 195 mM furoate before its growth rate was ... Wang, X., Miller, E. N., Yomano, L. P., Shanmugam, K. T., & Ingram, L. O. (2012). Increased furan tolerance in Escherichia coli ... Isolation and Characterization of Bacteria That Use Furans as the Sole Carbon Source. ...
https://link.springer.com/article/10.1007/s12010-015-1859-9
Change in dioxin and furan emissions - European Environment AgencyChange in dioxin and furan emissions - European Environment Agency
Change in dioxin and furan emissions This website has limited functionality with javascript off. Please make sure javascript is ... 20environment/change-in-dioxin-furan-emissions or scan the QR code. ...
https://www.eea.europa.eu/data-and-maps/daviz/eionet/sandbox/LOT2%20-%20Daviz%20testing%20environment/change-in-dioxin-furan-emissions
Dioxins, Furans, PCBs (contain phenyl rings of carbon atoms) | Chemical Classifications | Toxic Substance Portal | ATSDRDioxins, Furans, PCBs (contain phenyl rings of carbon atoms) | Chemical Classifications | Toxic Substance Portal | ATSDR
Furans have one or two phenyl rings connected to a furan ring. PCBs have two phenyl rings attached at one point. One or more ... Dioxins, Furans, PCBs (contain phenyl rings of carbon atoms). Dioxins, furans, and polychlorinated biphenyls (PCBs) are a class ... Dioxins and dioxin-like furans have no known commercial or natural use. They are produced primarily during the incineration or ...
https://wwwn.cdc.gov/TSP/substances/ToxChemicalListing.aspx?toxid=29
Furan in food - EFSA confirms health concerns | European Food SafetyFuran in food - EFSA confirms health concerns | European Food Safety
Consumer exposure to furan and methylfurans in food could lead to possible long-term liver damage. The most exposed group of ... Reducing furan exposure. Furans form from a variety of substances naturally present in food, including vitamin C, carbohydrates ... Potential health risks linked to furan. EFSA carried out this assessment following its monitoring of furan levels in food and ... The level of furan in toast increases with toasting time and with the degree of browning, albeit toast is a less important ...
https://www.efsa.europa.eu/en/press/news/171025
DioxinsSynthesisCompoundsDioxinDerivativesFurfuralDerivativePolymersPhenylHeterocyclic organic compoundMethylCarcinogenicAminoFurfuryl alcoholPyrrolePyridineExposureResinNaphthoColorlessMethanolThiopheneFatty acidsCompoundPhenolBiofuelsCarcinogenConcentrationsOxidationDisambiguationPurityEFSAFuraneVolatileBiomassSpecialityReferencesLevelsRatsDieneSuppliers
Dioxins24
  • Dioxins and furans are carcinogenic and so are some of the most regulated environmental contaminants. (sgs.com)
  • Produced inadvertently by industrial processes such as waste incineration, chemical manufacturing and paper bleaching, dioxins and furans can be found in the air, in water and contaminated soil. (sgs.com)
  • High-resolution mass spectrometry is the only legally accepted analytical technique for quantifying dioxins and furans. (sgs.com)
  • The process of smashing and burning the plastic casing and cables, to extract the metals, releases dangerous chemicals found within the plastics, such as brominated flame retardants, and creates highly toxic by-product chemicals like brominated and chlorinated dioxins and furans. (ipen.org)
  • The AMESA-D utilizes the water cooled probe method with Isokinetic sampling system coupled with XAD-II adsorbent cartridge for Long-term sampling of dioxins (PCDD), furans (PCDF) and other persistent organic contaminant (POPs). (environmental-expert.com)
  • Together with the polychlorinated dioxins and furans, these two special classes of PCBs are often referred to as "dioxin-like" chemicals because they act in the body through a similar mechanism. (cdc.gov)
  • This book is a well organised treatise on identification and measurement of dioxins and furan in the environment. (routledge.com)
  • This book provides a tool for today's environmental researchers by focusing on an integrated approach to managing environmental pollution problems due to dioxins and furans. (routledge.com)
  • The overall objective of this book is not simply to provide a general reference, but to serve as a resource for developing approaches to managing environmental pollution problems due to dioxins and furans. (routledge.com)
  • Source and Formation of Dioxins and Furans. (routledge.com)
  • Global Contamination and Movement of Dioxins and Furans in Environment. (routledge.com)
  • Health Effects of Dioxins and Furans. (routledge.com)
  • Analytical Method for Dioxins and Furans. (routledge.com)
  • The sediments are contaminated with high levels of dioxins and furans, chlorobenzenes, metals, and other materials. (environmental-expert.com)
  • Dioxins, furans, and polychlorinated biphenyls (PCBs) are a class of similar chlorinated aromatic organic compounds. (cdc.gov)
  • Dioxins and dioxin-like furans have no known commercial or natural use. (cdc.gov)
  • Please explore our range of standards for dioxins and furans below and get in touch if you have questions about how we can support you in your analytical testing. (lgcstandards.com)
  • We identify and quantify ultra-trace levels of Dioxins, Furans and Dioxin-like PCB congeners and other persistent organic pollutants (POPS) in liquid, solid, air and biota. (maxxam.ca)
  • In selecting a 'supplier' for analysis of dioxins and furans and dioxin-like PCB congeners, it is important to realize that services differ from lab to lab in terms of analytical solutions provided, instrumentation used and the expertise of the people involved in the project. (maxxam.ca)
  • As part of environmental health studies in Escambia and Santa Rosa counties, UWF's CEDB found that blue crabs and oysters collected from western Escambia Bay locations had relatively higher loads (TEQs) of dioxins/furans and dioxin-like PCBs than samples collected from eastern Escambia Bay. (uwf.edu)
  • Recent findings indicate that mullet and large mouth bass collected from Lower Escambia River contain relatively high concentrations of total PCBs and dioxins/furans/dioxin-like PCBs. (uwf.edu)
  • Because of the paucity of information on sediment contamination in the Escambia Bay system, notably the limited spectrum of past analyses for PCB congeners and none for dioxins/furans, it is difficult to ascertain the geographical extent and levels of these toxic chemicals in the bay. (uwf.edu)
  • This project will determine the levels of PCBs (complete congener profiles) and dioxins/furans in sediment samples taken at 20 locations in the Escambia Bay, including some sites in the Lower Escambia River. (uwf.edu)
  • This study provides suggestive evidence that average serum concentrations of dioxins, furans, and PCBs are decreasing over time among residents of this town. (biomedcentral.com)
Synthesis19
  • Synthesis, reactions, and application of furans and benzofurans bearing a fluorine atom and a trifluoromethyl group are reviewed. (springer.com)
  • Considerable attention has been focused on the synthesis of furan derivatives and screening them for pharmacological activity. (sigmaaldrich.com)
  • The Feist-Benary synthesis is a classic way to synthesize furans, although many syntheses have been developed. (wikipedia.org)
  • One of the simplest synthesis methods for furans is the reaction of 1,4-diketones with phosphorus pentoxide (P2O5) in the Paal-Knorr synthesis. (wikipedia.org)
  • Many routes exist for the synthesis of substituted furans. (wikipedia.org)
  • The reaction product is a mixture of isomers with preference for the endo isomer: Diels-Alder reaction of furan with arynes provides corresponding derivatives of dihydronaphthalenes, which are useful intermediates in synthesis of other polycyclic aromatic compounds. (wikipedia.org)
  • Diels-Alder reaction of furan with arynes provides corresponding derivatives of dihydronaphthalenes , which are useful intermediates in synthesis of other polycyclic aromatic compounds . (wikipedia.org)
  • This paper reports on the occurrence and synthesis of a newly discovered class of furan-containing fatty acid. (pnas.org)
  • A new strategy for cyclopenta[ b ]furan synthesis mediated by hypervalent iodine(III) has been described. (mdpi.com)
  • Chuang, T.-H. Hypervalent Iodine(III)-Induced Domino Oxidative Cyclization for the Synthesis of Cyclopenta[ b ]furans. (mdpi.com)
  • Synthesis, anthelmintic and antiacetylcholinesterase activity of newer furan derivatives. (ijpsonline.com)
  • The speciality of furan polymers lies in the chemistry of furan ring which allows electrophilic substitution, incorporation of photosensitive chromophores, synthesis of conjugated oligomers and polymers, and functionalization via Diels Alder (DA) reaction as diene. (hb.se)
  • An efficient CuI-catalyzed coupling cyclization of gem -difluoroalkenes with active methylene carbonyl compounds such as 1,3-dicarbonyl compounds, acetoacetonitrile, and phenylsulfonylacetone enables the synthesis of 2,3,5-trisubstituted furans with the assistance of a base. (organic-chemistry.org)
  • Very good isolated yields, and excellent functional group compatibility make this transformation a powerful tool for the synthesis of various furans. (organic-chemistry.org)
  • Palladium catalysis enables a highly efficient synthesis of a wide range of 2,5-disubstituted furans in very good yields from enyne acetates in the presence of a Lewis acid. (organic-chemistry.org)
  • Chapter 1 reviews the recent advances in the field of palladium catalyzed synthesis of bicyclic furan analogs and provides a mechanistic explanation for these processes. (usf.edu)
  • Chapter 2 describes synthesis of new optically pure isoxazoline-2-oxide and furan analogs using Pd(0) catalyzed intramolecular cyclizations. (usf.edu)
  • Khan, Pasha Moeenuddin, "Application of Pd catalyzed alkylation: Synthesis of bicyclic furans, isoxazolines and new cyclopentane amino acid analogs" (2008). (usf.edu)
  • Penn furan and furfural based solvents offer unique capabilities as starting materials for the synthesis of pharmaceutical, agricultural, and industrial chemicals. (chempoint.com)
Compounds11
  • Furans, consisting of a five-membered aromatic ring with one oxygen atom, are an important class of heterocyclic compounds that possess important biological properties. (sigmaaldrich.com)
  • The furan ring system is the basic skeleton of numerous compounds possessing cardiovascular activities. (sigmaaldrich.com)
  • Chemical compounds containing such rings are also referred to as furans. (wikipedia.org)
  • In the Achmatowicz reaction, furans are converted to dihydropyran compounds. (wikipedia.org)
  • Zhu, "Catalytic pyrolysis of cellulose with sulfated metal oxides: a promising method for obtaining high yield of light furan compounds," Bioresource Technology, vol. (thefreedictionary.com)
  • It also provides evidence that furan-containing fatty acids scavenge toxic reactive oxygen species, suggesting a previously unnoticed role for this class of compounds in bacteria and other cells. (pnas.org)
  • Here, we demonstrate a previously unreported ability of the photosynthetic bacterium Rhodobacter sphaeroides to produce furan-containing fatty acids (Fu-FAs), an important, yet poorly understood, class of compounds. (pnas.org)
  • Furan and the related compounds 2- and 3-methylfurans are chemical contaminants that naturally form during heated food processing, including cooking. (europa.eu)
  • Effect of lignin-derived and furan compounds found in lignocellulosic hydrolysates on biomethane production. (biomedsearch.com)
  • Such hydrolysates are rich in xylose but also contain lignin polymers or oligomers as well as phenolic and furan compounds, such as syringaldehyde, vanillin, HMF, furfural. (biomedsearch.com)
  • Agirrezabal-Telleria, I., Gandarias, I. and Arias, P.L. (2014) Heterogeneous Acid-Catalysts for the Production of Furan-Derived Compounds (Furfural and Hydroxymethylfurfural) from Renewable Carbohydrates A Review. (scirp.org)
Dioxin8
  • Body burden levels of dioxin, furans, and PCBs among frequent consumers of Great Lakes sport fish. (cdc.gov)
  • Call SGS today for a dioxin and furan analysis to ensure your site safety. (sgs.com)
  • Our dioxin and furan testing can identify where toxic emissions are occurring and help to improve the safety of your operations. (sgs.com)
  • We also monitor dioxin and furan levels in food and animal feed. (sgs.com)
  • Fully accredited at local and international level, we are recognized as one of the world's leading and most reliable laboratories for dioxin and furan testing. (sgs.com)
  • Continuous dioxin and furan emission monitoring by long-term sampling. (environmental-expert.com)
  • For references , please go to https://www.eea.europa.eu/data-and-maps/daviz/eionet/sandbox/LOT2%20-%20Daviz%20testing%20environment/change-in-dioxin-furan-emissions or scan the QR code. (europa.eu)
  • Wood ducks were sensitive to dioxin and furan contamination, and we recommend it as an indicator species for monitoring biological impacts from these contaminants. (usgs.gov)
Derivatives7
  • Furan derivatives have been found to be inhibitors of biofilm formation for several bacterial species, as well as possess quorum-sensing inhibitory activities. (sigmaaldrich.com)
  • Spectroscopic and thermodynamic properties of furan derivatives. (nist.gov)
  • An approach to utilize biomass requires its conversion to various furan derivatives, which can potentially substitute petroleum precursors in producing chemicals, polymers and fuels. (aiche.org)
  • The objective of this work is to gain mechanistic understanding into the aldose conversion to platform furan derivatives using a Lewis acid with a Brønsted acid. (aiche.org)
  • Furan and its derivatives sometimes form when amino acids or sugars are broken down by the heat of cooking," explains Dr. Yaylayan. (bio-medicine.org)
  • In the present study, a series of N-substituted-5-(furan-2-ylmethylene)thiazolidine-2,4-dione derivatives were synthesized and characterized by 1H-NMR, 13C-NMR and mass spectra. (deepdyve.com)
  • A series of 3-[5-nitro(furan/thiophene)-2-yl]-1-aryl-3-(5-aryl-1,3,4-oxadiazol-2-ylthio)prop-2-en-1-one derivatives was synthesized and studied with the aim of developing dual inhibitors of multidrug-resistant tuberculosis and inflammation. (springer.com)
Furfural5
  • Industrially, furan is manufactured by the palladium-catalyzed decarbonylation of furfural, or by the copper-catalyzed oxidation of 1,3-butadiene: In the laboratory, furan can be obtained from furfural by oxidation to 2-furoic acid, followed by decarboxylation. (wikipedia.org)
  • In the laboratory, furan can be obtained from furfural by oxidation to 2-furoic acid, followed by decarboxylation . (wikipedia.org)
  • Here we demonstrate that Baeyer-Villiger monooxygenases (BVMOs) can be used as biocatalysts for the selective oxidation of several furans, including 5-(hydroxymethyl) furfural (HMF) and furfural. (mdpi.com)
  • Phenylacetone monooxygenase (PAMO) and a mutant thereof (PAMO M446G ) were selected for studying their biocatalytic potential in converting furfural and some other furans. (mdpi.com)
  • P. putida ALS1267 was the most tolerant to furans and tolerated 17 mM furfural or 195 mM furoate before its growth rate was reduced by 50 % in a defined medium. (springer.com)
Derivative8
  • An iodinated lipophilic furan derivative is widely used in the treatment of ventricular and arterial fibrillation. (sigmaaldrich.com)
  • The first furan derivative to be described was 2-furoic acid, by Carl Wilhelm Scheele in 1780. (wikipedia.org)
  • As part of an investigative effort to find promising anticancer agents from marine-derived fungi [6-8], the chemical investigation of a strain of Aspergillus niger (BRF074), recovered from sediments of the Northeast Brazilian coast, yielded the new furan ester derivative (1) and the cyclopeptides malformins A (2) and C (3) [9] (Figure 1). (thefreedictionary.com)
  • This has motivated us to focus on developing novel biocomposites from furan derivative and tung oil based bioresin using cellulose nanofibres as the reinforcement. (hb.se)
  • 4. The process of claim 1 , wherein the furan-based polymer is derived from 2,5-furan dicarboxylic acid or a derivative thereof and a C2 to C12 aliphatic diol. (sumobrain.com)
  • 5. The process of claim 1 , wherein the furan-based polymer is derived from 2,5-furan dicarboxylic acid or a derivative poly(trimethylene furandicarboxylate) thereof and 1 ,3-propanediol. (sumobrain.com)
  • 6. The process of claim 1 , wherein the furan-based polymer is a polymer blend comprising 0.1 -99.9% by weight of poly(trimethylene furandicarboxylate) and 99.9-0.1 % by weight of a poly(alkylene terephthalate), based on the total weight of the polymer blend, wherein the poly(alkylene terephthalate) comprises monomeric units derived from terephthalic acid or a derivative thereof and a C2-C12 aliphatic diol. (sumobrain.com)
  • 7. The process of claim 1 , wherein the furan-based polymer is a polymer blend comprising 0.1 -99.9% by weight of poly(trimethylene furandicarboxylate) and 99.9-0.1 % by weight of a poly(alkylene furandicarboxylate), based on the total weight of the polymer blend, wherein the poly(alkylene furandicarboxylate) comprises monomeric units derived from 2,5-furan dicarboxylic acid or a derivative thereof and a C2-C12 aliphatic diol. (sumobrain.com)
Polymers4
  • The insertion of furan groups into polymers has been explored as a strategy that combines the search for high-performance materials with the search for the development of biobased materials, since these groups have shown to be able to confer good thermal and mechanical properties to the materials and can be obtained from renewable raw materials such as hemicellulose. (thefreedictionary.com)
  • However, the drawbacks associated with furan polymers (brittleness, lack of reliable data on mechanical properties, and inefficient condensation polymerization) have limited its application in large industries. (hb.se)
  • Compared with PET, furan polymers like polyethylene furanoate (PEF) offer improved gas barrier properties. (sustainablebrands.com)
  • Firms pursuing furan polymers use biobased 2,5-furandicarboxylic acid (FDCA) in place of terephthalic acid in the polyester's backbone. (sustainablebrands.com)
Phenyl3
  • Furans have one or two phenyl rings connected to a furan ring. (cdc.gov)
  • In the title compound, C 21 H 14 F 2 O 2 S, the dihedral angles between the mean plane [r.m.s. deviation = 0.007 (2) Å] of the benzo-furan ring system and the pendant 4-fluoro-phenyl and phenyl rings are 5.93 (9) and 80.23 (5)°, respectively. (iucr.org)
  • In November 2016, the EMCDDA and Europol examined the available information on a new psychoactive substance N -phenyl- N -[1-(2-phenylethyl)piperidin-4-yl]-furan-2-carboxamide, commonly known as furanylfentanyl, through a joint assessment. (europa.eu)
Heterocyclic organic compound2
  • Furan is a heterocyclic organic compound, consisting of a five-membered aromatic ring with four carbon atoms and one oxygen atom. (wikipedia.org)
  • Furan is a heterocyclic organic compound produced in the chemical manufacturing industry and also found in a broad range of food products, including infant formulas and baby foods. (nih.gov)
Methyl5
  • The dissociation of 2-methyl furan at high temperatures has been studied in a combined experimental and theoretical approach to elucidate the details of this multi-channel unimolecular reaction. (rsc.org)
  • This was resolved by increasing the rate of loss of an H-atom from the methyl group in 2-methyl furan by a factor of 2-4. (rsc.org)
  • In the central fragment, consisting of two fused tetra-hydro-furan rings, one O atom and its two adjacent C atoms, a methyl-ene and a bridgehead C atom, are disordered over two sets of sites with an occupancy ratio of 0.735 (9):0.265 (9). (iucr.org)
  • 1. 2-methyl furan is widely used as solvent. (guidechem.com)
  • 2. Our 2- methyl furan annual output is 5000MT. (guidechem.com)
Carcinogenic1
  • Furan , which is possibly carcinogenic, usually appears in products that have been thermally processed. (thefreedictionary.com)
Amino10
  • Furans form from a variety of substances naturally present in food, including vitamin C, carbohydrates, amino acids, unsaturated fatty acids and carotenoids. (europa.eu)
  • The study, published in the October, 2004 issue of Journal of Agricultural and Food Chemistry , shows how food-based amino acids and sugars break down when heated to produce furan. (bio-medicine.org)
  • The report generally describes 2-amino-1-furan-2-yl-ethanol, examines its uses, production methods, patents. (marketpublishers.com)
  • 2-amino-1-furan-2-yl-ethanol manufacturers and suppliers with contacts and product range are mentioned in the study. (marketpublishers.com)
  • Furthermore, 2-amino-1-furan-2-yl-ethanol prices in regional markets can be found in the report with regards to countries and companies. (marketpublishers.com)
  • The report also focuses on 2-amino-1-furan-2-yl-ethanol consumers by providing data on companies that use it. (marketpublishers.com)
  • 2-AMINO-1-FURAN-2-YL-ETHANOL (CAS 2745-22-4) Market Research Report 2017 contents were worked out and placed on the website in December, 2017. (marketpublishers.com)
  • Please note that 2-AMINO-1-FURAN-2-YL-ETHANOL (CAS 2745-22-4) Market Research Report 2017 is a half ready publication and contents are subject to change. (marketpublishers.com)
  • We provide independent and unbiased information on manufacturers, prices, production news and consumers for the global and regional (North America, Asia and Europe) market of {[(benzyloxy)carbonyl]amino}(furan-2-yl)acetic acid. (reportsnreports.com)
  • The main emphasis of this work is to utilize Pd catalyzed allylic alkylation to synthesize new heterocycles including furans, isoxazolines and new cyclopentane amino-acid analogs in an enantioselective manner. (usf.edu)
Furfuryl alcohol1
  • Furan resin is condensate of furfuryl alcohol which is synthesized from agricultural or forest wastes containing pentoses. (hb.se)
Pyrrole1
  • Pyrrole can be prepared industrially by reacting furan and ammonia in the presence of solid acid catalysts, such as SiO2 and Al2O3. (wikipedia.org)
Pyridine2
  • The crystal and molecular structure of 6-bromo-2-(furan-2-yl)-3-(prop-2-ynyl)-3H-imidazo[4,5-b]pyridine (C 13 H 8 BrN 3 O) has been investigated from single crystal X-ray diffraction data. (hindawi.com)
  • In this work, we have synthesized the 3-prop-2-ynyl analogue which is 6-bromo-2-(furan-2-yl)-3-(prop-2-ynyl)-3H-imidazo[4,5-b]pyridine ( 1 ) (Scheme 1 ). (hindawi.com)
Exposure11
  • Exposure to furan at doses about 2000 times the projected level of human exposure from foods increases the risk of hepatocellular tumors in rats and mice and bile duct tumors in rats. (wikipedia.org)
  • Consumer exposure to furan and methylfurans in food could lead to possible long-term liver damage. (europa.eu)
  • EFSA carried out this assessment following its monitoring of furan levels in food and assessing consumer exposure. (europa.eu)
  • As did the Joint FAO/WHO Expert Committee on Food Additives [JECFA], we concluded that the level of exposure to furan in food indicates a human health concern. (europa.eu)
  • Although the average intake of foods containing furan indicates a low health concern for most consumers, for high consumers exposure is up to three times what would be considered of low concern for public health. (europa.eu)
  • There are some knowledge gaps about the toxicity of furan and methylfurans and about exposure to them. (europa.eu)
  • Dr Knutsen said: "Our opinion describes how cooking practices could reduce dietary exposure to furan and methylfurans, bearing in mind that consumers are exposed to them in a variety of foods. (europa.eu)
  • The level of furan in toast increases with toasting time and with the degree of browning, albeit toast is a less important contributor to overall furan exposure. (europa.eu)
  • calculating exposure requires consideration of both furan levels, and the amounts of food that consumers eat. (corn.org)
  • The agency also notes that their estimates of consumer exposure to furan is "well below what FDA expects would cause harmful effects. (corn.org)
  • It has been estimated that coffee consumption may be the highest contributor to furan exposure from dietary sources among adults. (oreilly.com)
Resin1
  • BS 4994 - Furan resin as thermoset FRP for chemical process plant equipments Furanocoumarin Furanoflavonoid Furanose Furantetracarboxylic acid Simple aromatic rings Furan fatty acids Tetrahydrofuran Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). (wikipedia.org)
Naphtho1
  • The ceric ammonium nitrate oxidation of the furo(3,2-b]naphtho[2,l-d]furan-8(9H)- ones (5c,5d) gave the rearranged hemiketals (llc,lld) in 72-76% yield. (auckland.ac.nz)
Colorless1
  • Furan is a colorless, flammable, highly volatile liquid with a boiling point close to room temperature. (wikipedia.org)
Methanol7
  • The ' Global and Chinese Tetrahydro-2-Furan Methanol Industry, 2011-2021 Market Research Report ' is a professional and in-depth study on the current state of the global Tetrahydro-2-Furan Methanol industry with a focus on the Chinese market. (marketresearch.com)
  • The report provides key statistics on the market status of the Tetrahydro-2-Furan Methanol manufacturers and is a valuable source of guidance and direction for companies and individuals interested in the industry.Firstly, the report provides a basic overview of the industry including its definition, applications and manufacturing technology. (marketresearch.com)
  • Through the statistical analysis, the report depicts the global and Chinese total market of Tetrahydro-2-Furan Methanol industry including capacity, production, production value, cost/profit, supply/demand and Chinese import/export. (marketresearch.com)
  • The report then estimates 2016-2021 market development trends of Tetrahydro-2-Furan Methanol industry. (marketresearch.com)
  • In the end, the report makes some important proposals for a new project of Tetrahydro-2-Furan Methanol Industry before evaluating its feasibility. (marketresearch.com)
  • Overall, the report provides an in-depth insight of 2011-2021 global and Chinese Tetrahydro-2-Furan Methanol industry covering all important parameters. (marketresearch.com)
  • 5.2 Market Competition of Tetrahydro-2-Furan Methanol Industry by Country (USA, EU, Japan, Chinese etc. (marketresearch.com)
Thiophene1
  • The thiophene formation reaction of 1,4-diketones with Lawesson's reagent also forms furans as side products. (wikipedia.org)
Fatty acids2
  • We propose that furan-containing fatty acids like 19Fu-FA can act as a membrane-bound scavenger of 1 O 2 , which is naturally produced by integral membrane enzymes of the R. sphaeroides photosynthetic apparatus. (pnas.org)
  • It also identifies other food components, such as vitamin C and polyunsaturated fatty acids, which may produce furan as an unwanted by-product of cooking, bottling or canning food products. (bio-medicine.org)
Compound2
  • Furan may refer to: Furan, the chemical industrial compound Polychlorinated dibenzofurans, an unintentional contaminant byproduct of furans Furan (river) in France Furan, Iran, a village in Markazi Province, Iran Nitrofurantoin, by the trade name Furan This disambiguation page lists articles associated with the title Furan. (wikipedia.org)
  • Furan is a highly volatile compound present in many foods and drinks as a result of thermal treatment during processing. (oreilly.com)
Phenol1
  • Furan itself was first prepared by Heinrich Limpricht in 1870, although he called it "tetraphenol" (as if it were a four-carbon analog to phenol, C6H6O). (wikipedia.org)
Biofuels1
  • Avantium, which spun-off from Shell in 2000, successfully completed an engine test to demonstrate the potential of its furan-based biofuels, or "furanics. (greencarcongress.com)
Carcinogen1
  • Furan is therefore listed as a possible human carcinogen. (wikipedia.org)
Concentrations1
  • Different preparation methods for coffee result in different losses of furan concentrations. (europa.eu)
Oxidation1
  • Altogether, our study shows that BVMOs can be employed for the selective oxidation of furans. (mdpi.com)
Disambiguation1
Purity2
  • Furans or All Furans to refine by category, grade, purity, and various physical properties. (sigmaaldrich.com)
  • TIANFUCHEM-- 4282-32-0 --High purity Dimethyl Furan-2,5-dicarboxylate factory price price,buy Formaldehyde,Formaldehyde supplier-Henan Tianfu Chemical Co., Ltd. (lookchem.com)
EFSA1
  • Furan in food - EFSA confirms health conce. (europa.eu)
Furane2
  • Information provided on Furan (furane) (110-00-9) is for reference only and is subject to change. (caslab.com)
  • Columbia Analytical may or may not test for the presence of 'Furan (furane)' CAS: 110-00-9 . (caslab.com)
Volatile2
  • Furan is present in coffee as part of the volatile aroma components generated during roasting of green coffee beans. (oreilly.com)
  • Normally, furan is a volatile chemical which tends to quickly evaporate. (bio-medicine.org)
Biomass2
  • Various furans are considered as valuable platform chemicals as they can be derived from plant biomass. (mdpi.com)
  • This increased understanding of the transformation of DMF and ethylene to p -xylene will aid in the development of a variety of renewable aromatics from biomass derived furans. (umass.edu)
Speciality1
  • Furan is used as a starting point for other speciality chemicals. (wikipedia.org)
References1
  • For references , please go to https://www.eea.europa.eu/help/glossary/eea-glossary/furans or scan the QR code. (europa.eu)
Levels4
  • Research has indicated that coffee made in espresso makers, and coffee made from capsules contains more furan than that made in traditional drip coffee makers, although the levels are still within safe health limits. (wikipedia.org)
  • for example levels of 2-methylfuran in coffee can be four times higher than furan. (europa.eu)
  • The authors completely ignored the realities of sweetener science: any caloric sweetener substituted for high fructose corn syrup in a sweetened fruit juice would likely produce comparable levels of furans, including the two simple sugars found in apple juice and apple cider," stated Audrae Erickson, president, Corn Refiners Association. (corn.org)
  • From roasting to the cup, furan levels decrease because of its high volatility and low water solubility. (oreilly.com)
Rats2
  • Male F344 rats were treated by gavage 5 days per week with 8 mg furan/kg body weight (bw)/day for 90 days. (nih.gov)
  • 1 group of rats was sacrificed 24 h after the last treatment, whereas other groups were maintained without further furan treatment for an additional 90, 180, or 360 days. (nih.gov)
Diene1
  • Furan serves as a diene in Diels-Alder reactions with electron-deficient dienophiles such as ethyl (E)-3-nitroacrylate. (wikipedia.org)
Suppliers1
  • It captures 3-[5-(3-hydroxy-propyl)-furan-2-yl]-propan-1-ol market trends, pays close attention to 3-[5-(3-hydroxy-propyl)-furan-2-yl]-propan-1-ol manufacturers and names suppliers. (marketpublishers.com)
2-Amino-1-(furan-2-yl)ethanol | C6H9NO2 - PubChem
2-Amino-1-(furan-2-yl)ethanol | C6H9NO2 - PubChem (pubchem.ncbi.nlm.nih.gov)
5-(2-Nitrophenyl)furan-2-carbonyl Chloride | C11H6ClNO4 - PubChem
5-(2-Nitrophenyl)furan-2-carbonyl Chloride | C11H6ClNO4 - PubChem (pubchem.ncbi.nlm.nih.gov)
Alpha-(1-Propynyl)furan-2-ethanol | C9H10O2 - PubChem
Alpha-(1-Propynyl)furan-2-ethanol | C9H10O2 - PubChem (pubchem.ncbi.nlm.nih.gov)
3-(Dimethylamino)propyl furan-2-carboxylate | C10H15NO3 - PubChem
3-(Dimethylamino)propyl furan-2-carboxylate | C10H15NO3 - PubChem (pubchem.ncbi.nlm.nih.gov)
5-(2-Methyl-4-nitrophenyl)furan-2-carbonyl chloride | C12H8ClNO4 - PubChem
5-(2-Methyl-4-nitrophenyl)furan-2-carbonyl chloride | C12H8ClNO4 - PubChem (pubchem.ncbi.nlm.nih.gov)
1-Diazo-3-(furan-2-yloxy)urea | C5H4N4O3 - PubChem
1-Diazo-3-(furan-2-yloxy)urea | C5H4N4O3 - PubChem (pubchem.ncbi.nlm.nih.gov)
Benzyl-(1-furan-2-YL-but-3-enyl)-amine hydrochloride | C15H18ClNO - PubChem
Benzyl-(1-furan-2-YL-but-3-enyl)-amine hydrochloride | C15H18ClNO - PubChem (pubchem.ncbi.nlm.nih.gov)
N-(Furan-2-ylmethyl)-[1,3]thiazolo[5,4-d]pyrimidin-7-amine | C10H8N4OS - PubChem
N-(Furan-2-ylmethyl)-[1,3]thiazolo[5,4-d]pyrimidin-7-amine | C10H8N4OS - PubChem (pubchem.ncbi.nlm.nih.gov)
4-Cyano-N-(furan-2-ylmethyl)-N-methylbenzamide | C14H12N2O2 - PubChem
4-Cyano-N-(furan-2-ylmethyl)-N-methylbenzamide | C14H12N2O2 - PubChem (pubchem.ncbi.nlm.nih.gov)
E)-3-(Furan-2-ylmethylene)octan-2-one | C13H18O2 - PubChem
E)-3-(Furan-2-ylmethylene)octan-2-one | C13H18O2 - PubChem (pubchem.ncbi.nlm.nih.gov)
N-[1-(4-Fluorophenyl)ethyl]furan-3-carboxamide | C13H12FNO2 - PubChem
N-[1-(4-Fluorophenyl)ethyl]furan-3-carboxamide | C13H12FNO2 - PubChem (pubchem.ncbi.nlm.nih.gov)
2-{[(Furan-2-yl)methyl](methyl)amino}-N-propylacetamide | C11H18N2O2 - PubChem
2-{[(Furan-2-yl)methyl](methyl)amino}-N-propylacetamide | C11H18N2O2 - PubChem (pubchem.ncbi.nlm.nih.gov)
N-[2-(Furan-2-yl)ethyl]-6-oxo-1H-pyridine-3-carboxamide | C12H12N2O3 - PubChem
N-[2-(Furan-2-yl)ethyl]-6-oxo-1H-pyridine-3-carboxamide | C12H12N2O3 - PubChem (pubchem.ncbi.nlm.nih.gov)
3-(Furan-2-yl)-N-heptan-2-ylprop-2-enamide | C14H21NO2 - PubChem
3-(Furan-2-yl)-N-heptan-2-ylprop-2-enamide | C14H21NO2 - PubChem (pubchem.ncbi.nlm.nih.gov)
5-(Propan-2-yloxymethyl)furan-2-amine | C8H13NO2 - PubChem
5-(Propan-2-yloxymethyl)furan-2-amine | C8H13NO2 - PubChem (pubchem.ncbi.nlm.nih.gov)
2,5-Dimethyl-furan-3-carboxylic acid (2-bromo-3-phenyl-allylidene)-hydrazide | C16H15BrN2O2 - PubChem
2,5-Dimethyl-furan-3-carboxylic acid (2-bromo-3-phenyl-allylidene)-hydrazide | C16H15BrN2O2 - PubChem (pubchem.ncbi.nlm.nih.gov)
2,5-Dimethyl-N-[(1-methylpyrazol-4-yl)methyl]furan-3-carboxamide | C12H15N3O2 - PubChem
2,5-Dimethyl-N-[(1-methylpyrazol-4-yl)methyl]furan-3-carboxamide | C12H15N3O2 - PubChem (pubchem.ncbi.nlm.nih.gov)
3-(2-Amino-thiazol-4-yl)-5-oxo-tetrahydro-furan-3-carboxylic acid ethyl ester | C10H12N2O4S - PubChem
3-(2-Amino-thiazol-4-yl)-5-oxo-tetrahydro-furan-3-carboxylic acid ethyl ester | C10H12N2O4S - PubChem (pubchem.ncbi.nlm.nih.gov)
3-Amino-N-(furan-2-ylmethyl)-5-methyl-6-thiophen-2-yl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide | C19H14F3N3O2S2 -...
3-Amino-N-(furan-2-ylmethyl)-5-methyl-6-thiophen-2-yl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide | C19H14F3N3O2S2 -... (pubchem.ncbi.nlm.nih.gov)
2-{2-[4-(6-Fluoro-1-furan-3-ylmethyl-1H-indol-3-yl)piperidin-1-yl]ethoxy}benzoic acid | C27H27FN2O4 - PubChem
2-{2-[4-(6-Fluoro-1-furan-3-ylmethyl-1H-indol-3-yl)piperidin-1-yl]ethoxy}benzoic acid | C27H27FN2O4 - PubChem (pubchem.ncbi.nlm.nih.gov)
2-[5-[2-(Trifluoromethyl)phenyl]furan-2-yl]quinoline-4-carboxylate | C21H11F3NO3- - PubChem
2-[5-[2-(Trifluoromethyl)phenyl]furan-2-yl]quinoline-4-carboxylate | C21H11F3NO3- - PubChem (pubchem.ncbi.nlm.nih.gov)
1-(Cyclohepten-1-yl)-3-(furan-2-yl)propan-1-amine | C14H21NO - PubChem
1-(Cyclohepten-1-yl)-3-(furan-2-yl)propan-1-amine | C14H21NO - PubChem (pubchem.ncbi.nlm.nih.gov)
6-(Furan-2-yl)-3-(phenoxymethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole | C14H10N4O2S - PubChem
6-(Furan-2-yl)-3-(phenoxymethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole | C14H10N4O2S - PubChem (pubchem.ncbi.nlm.nih.gov)
3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-YL)furan-2-carbaldehyde | C11H15BO4 - PubChem
3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-YL)furan-2-carbaldehyde | C11H15BO4 - PubChem (pubchem.ncbi.nlm.nih.gov)
N-(Furan-2-ylmethyl)-8-methoxy-5H-pyrimido[5,4-b]indol-4-amine | C16H14N4O2 - PubChem
N-(Furan-2-ylmethyl)-8-methoxy-5H-pyrimido[5,4-b]indol-4-amine | C16H14N4O2 - PubChem (pubchem.ncbi.nlm.nih.gov)
2-(Furan-3-yl)-N-[2-[4-(methanesulfonamido)phenyl]ethyl]-1H-imidazo[4,5-b]pyridine-7-carboxamide | C20H19N5O4S - PubChem
2-(Furan-3-yl)-N-[2-[4-(methanesulfonamido)phenyl]ethyl]-1H-imidazo[4,5-b]pyridine-7-carboxamide | C20H19N5O4S - PubChem (pubchem.ncbi.nlm.nih.gov)
2-Amino-4,4,6,6-tetramethyl-4,6-dihydrothieno[2,3-c]furan-3-carbonitrile | VWR
2-Amino-4,4,6,6-tetramethyl-4,6-dihydrothieno[2,3-c]furan-3-carbonitrile | VWR (us.vwr.com)
Fluorinated Furans and Benzofurans | SpringerLink
Fluorinated Furans and Benzofurans | SpringerLink (link.springer.com)
BPA and other Cord Blood Pollutants | Pollution in Minority Newborns | EWG
BPA and other Cord Blood Pollutants | Pollution in Minority Newborns | EWG (ewg.org)
Chapter 110. Analysis of Furan in Coffee - Coffee in Health and Disease Prevention [Book]
Chapter 110. Analysis of Furan in Coffee - Coffee in Health and Disease Prevention [Book] (oreilly.com)
19 Chemicals You Didn't Know Were in Your Food Gallery
19 Chemicals You Didn't Know Were in Your Food Gallery (thedailymeal.com)
Catalysts | Free Full-Text | Conversion of Furans by Baeyer-Villiger Monooxygenases
Catalysts | Free Full-Text | Conversion of Furans by Baeyer-Villiger Monooxygenases (mdpi.com)
Enzymatic aerobic ring rearrangement of optically active furylcarbinols | Nature Communications
Enzymatic aerobic ring rearrangement of optically active furylcarbinols | Nature Communications (nature.com)
Cheap Inverness Hotels - Budget deals for you from LateRooms
Cheap Inverness Hotels - Budget deals for you from LateRooms (laterooms.com)