4-Amino-3-chlorobenzoic acid chemical properties, What are the chemical properties of 4-Amino-3-chlorobenzoic acid 2486-71-7, What are the physical properties of 4-Amino-3-chlorobenzoic acid ect.
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The report generally describes 3-bromo-4-chlorobenzoic acid, examines its uses, production methods, patents. 3-Bromo-4-chlorobenzoic acid market situation
2-Methoxy-4-amino-5-chlorobenzoic acid 2-[4-(4-chlorophenyl)piperazino]ethyl ester | C20H23Cl2N3O3 | CID 10717193 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
MolPort offers 2-{[(tert-butoxy)carbonyl]amino}-5-chlorobenzoic acid for your scientific research needs. It is also know by registry numbers ZINC000004203467, MFCD02682158. This compound is available from 10 suppliers, including AK Scientific, Inc., BLD Pharmatech Ltd..
2-Amino-3-chlorobenzoic acid | C7H6ClNO2 | CID 80807 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Glentham Life Sciences is a supplier of GM8338 - 2-Amino-5-chlorobenzoic acid (635-21-2). Find catalogue prices, chemical data, technical specifications and MSDS documents.
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The first high-valent iron oxo complex on the phthalocyanine platform has been prepared from iron tetra-tert-butyl-phthalocyanine and m-chloroperbenzoic acid and characterized by low temperature UV-vis, cryospray MS, EPR, X-ray absorption and high resolution X-ray emission methods. Porphyrins & Phthalocyanines
130 mg (0.09 mmol, 1 eq) of (12) are dissolved in 880 ^1 of anhydrous CH2C12. 20 mg (0.27 mmol, 3 eq) of 1H-tetrazole are then added, followed by 52 jil (0.17 mmol, 2 eq) of (A110) 2PN(iPr)2. After stirring for 4 h at ambient temperature, the reaction mixture is cooled to -60°C, 44 mg (0.17 mmol, 2 eq) of m-chloroperbenzoic acid are added, and the stirring is continued for 30 min at -60°C, 15 min at 0°C, and 45 min at ambient temperature. 0.5 ml of a 10% Na2S205 solution are added, at 0°C, to the reaction medium in order to destroy the excess oxidant, and then extraction is carried out with dichloromethane. The organic phase is washed with a 10% Na2S205 solution and the dichloromethane is then evaporated off under reduced vacuum. The residue is taken up in methyl tert-butyl ether and this organic phase is extracted with a 6% citric acid solution and a saturated NaCl solution, dried over anhydrous Na2S04 and filtered, and the solvent is evaporated off under reduced vacuum. The crude product ...
Ajith Kumar, P. V. and Kunhi, A. A. M. (2000) Pathways for 3-chloro- and 4-chlorobenzoate degradation in Pseudomonas aeruginosa 3mT. Biodegradation, 11 (4). pp. 247-61. ISSN 0923-9820 Ajith Kumar, P. V. and Gangadhara, K. P. and Manilal, P. and Kunhi, A. A. M. (1999) Soil Inoculation with Pseudomonas Aeruginosa 3MT Eliminates the Inhibitory Effect of 3- Chloro- and 4-Chlorobenzoate on Tomato Seed Germination. Soil Biology and Biochemistry, 30 (8/9). pp. 1053-1059. Babu, K. S. and Ajith Kumar, P. V. and Kunhi, A. A. M. (1995) Mineralisation of phenol and its derivatives by Pseudomonas sp. strain CP4. World Journal of Microbiology and Biotechnology, 11 (6). pp. 661-664. Babu, K. S. and Ajith Kumar, P. V. and Kunhi, A. A. M. (1995) Simultaneous degradation of 3-chlorobenzoate and phenolic compounds by a defined mixed culture of Pseudomonas sp. World Journal of Microbiology and Biotechnology, 11 (2). pp. 148-152. ...
60g Piperonal was dissolved in 500ml DCM, and 90g MCPBA (m-Chloroperoxybenzoic acid) was added in portions, and the mixture stirred for 18h. The precipitate was filtered off and washed with DCM. The combined filtrates was then washed with cold saturated Na2CO3 solution, followed by H2O, dried over MgSO4 and evaporated to dryness. The resulting formate ester was dissolved in 250ml methanol and mixed with a solution of 30g KOH in 200ml methanol. The reaction mixture was stirred at room temp for 15h, evaporated to dryness, the residue dissolvd in 300ml water, neutralized with 6M HCl and extracted with ethyl acetate. The organic layer was washed with NaHCO3 followed by water, dried over MgSO4 and evaporated to dryness. The crude product (57g) was recrystallized from hexane to give colorless crystals of Sesamol (48g), mp 54-55 C.. 3,4-Methylenedioxyanisole. ...
Novel haloaromatic etheramines have been synthesized from halogenated benzene and polyphenyls and alkali metal salts of phenol-formaldehyde-anilineresins. The resultant etheramines are epoxy curing agents and intermediates for the preparation of thermosetting imides.
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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 ...
In nature a significant part of the microbial activity is concentrated at or near oxic/anoxic interfaces, where oxygen concentrations are often low. Bacteria possessing different kinetic characteristics for oxygen and employing distinct metabolic pathways for the degradation of (halo)aromatic substrates for which oxygen is needed as co-substrate may have to compete with each other in such environments. In this study the competitiveness of Pseudomonas sp. strain A3 relative to Alcaligenes sp. strain L6 was tested in batch and in continuous cultures. While both of these strains are able to metabolise 3-chlorobenzoate (3CBA), the former was isolated under air saturating conditions and employs the catechol pathway, whereas the latter was isolated under reduced partial pressures of oxygen and was capable of metabolising 3CBA via the gentisate pathway. Competition experiments in batch culture resulted in pure cultures of Pseudomonas sp. strain A3 under air saturating conditions. However, if reduced ...
The cis-diol dehydrogenase cbaC gene of Tn5271 is required for growth on 3-chlorobenzoate but not 3,4-dichlorobenzoate.: The nucleotide sequence of cbaC, the 1-
The influence that organized assemblies (micelles, microemulsions) and semiconductor colloids exhibits on chemical reactions has been investigated. In particular electron transfer reactions induced by light in the presence of semiconductor particles have been shown to completely degrade several haloaromatic compounds. Phenol degradation has been investigated by carrying out experiments at different pH, phenol and TiO2 content, oxygen partial pressure. Intermediate compounds (quinol and catechol) were detected and quantitative formation of CO2 was assessed. Similarly, the photocatalytic degradation of 2,4,5-trichlorophenoxy acetic acid (2,4,5-T) and 2,4,5-trichlorophenol on TiO2 led to complete mineralization into CO2 and HCl. In the degradation of 2,4,5-T several intermediates were detected by GC-MS and a scheme for the photodegradation pathways was formulated. The applicability of this degradation process to other haloaromatic compounds was preliminarily assessed. Keywords: Oxidation; Photocatalysis;
The mission of the National Institute of Environmental Health Sciences is to discover how the environment affects people in order to promote healthier lives.
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Advantages of meta-chloroperbenzoic acid are its handling because it is present as a powder (crystalline white solid), which can be kept in the refrigerator. Nevertheless, a material of purity ,75% is rarely available commercially, since the pure compound is not particularly stable. mCPBA is a strong oxidizing agent that may cause fire upon contact with flammable material.. MCPBA is versatile applicable as peracid for use in laboratories. The main areas of use are the conversion of ketones to esters (Baeyer-Villiger oxidation), epoxidation of alkenes, conversion of silyl enol ethers to silyl α-hydroxy ketones, oxidation of sulfides to sulfoxides and sulfones, and oxidation of amines to produce amine oxides.. For reasons of the atomic economy, the use of MCPBA in production should be avoided. The research concentrates on this area rather on the use of hydrogen peroxide in connection with suitable catalysts or in situ generated, simpler peracids, such as peracetic acid or on potassium ...
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Kharat SS, Tripathi V, Damodaran AP, Priyadarshini R, Chandra S, Tikoo S, Nandhakumar R, Srivastava V, Priya S, Hussain M, Kaur S, Fishman JB, Sengupta S ...
3-Alkyl- and 3-aryl-3-hydroxyquinoline-2,4-diones have been prepared by oxidation of the corresponding 3-alkyl- or 3-arylquinolin-2-ones by means of oxygen under UV irradiation (Stadlbauer & Kappe, 1982), m-chloroperoxybenzoic acid (Stadlbauer & Kappe, 1982), hydrogen peroxide (Stadlbauer & Kappe, 1982), nitric acid (Stadlbauer et al., 1992), or peracetic acid (Stadlbauer et al., 1992). Several 3-hydroxyquinoline-2,4-diones were isolated from bacteria Pseudomonas aeruginosa (Neuenhaus & Budzikiewicz, 1979) and from stem bark of Micromelum falcatum (Luo et al., 2009). Biological activity of several 3-hydroxyquinoline-2,4-diones has been investigated (Prisyazhnyuk et al., 1984; Luo et al., 2009). 3-Alkyl- and 3-aryl-3-hydroxyquinoline-2,4-diones are important synthetic intermediates for the preparation of new types of heterocyclic compounds.. The asymmetric unit of the title compound (I) consists of a single 3-ethyl-3-hydroxy-8-methoxyquinoline-2,4(1H,3H)-dione molecule and solvated water molecule ...
The phosphoenolpyruvate (PEP)-dependent phosphotransferase system (PTS) is a major mechanism used by bacteria for uptake of carbohydrates, particularly hexoses, hexitols, and disaccharides, where the source of energy is from PEP. The PTS consists of two general components, enzyme I (EI) and histidine phosphocarrier protein (HPr), and of membrane-bound sugar specific permeases (enzymes II). Each enzyme II (EII) complex consists of one or two hydrophobic integral membrane domains (domains C and D) and two hydrophilic domains (domains A and B). EII complexes may exist as distinct proteins or as a single multidomain protein. The PTS catalyzes the uptake of carbohydrates and their conversion into their respective phosphoesters during transport. There are four successive phosphoryl transfers in the PTS. Initial autophosphorylation of EI, using PEP as a substrate, is followed by transfer of the phosphoryl group from EI to HPr. EIIA catalyzes the self-phosphoryl transfer from HPr after which the ...
aacggcatag tgcgtgttta 6540tgcttaaatg cgtacttata tgcgtctatt tatgtaggat gaaaggtagt ctagtacctc 6600ctgtgatatt atcccattcc atgcggggta tcgtatgctt ccttcagcac taccctttag 6660ctgttctata tgctgccact cctcaattgg attagtctca tccttcaatg ctatcatttc 6720ctttgatatt ggatcatatg catagtaccg agaaactagt gcgaagtagt gatcaggtat 6780tgctgttatc tgatgagtat acgttgtcct ggccacggca gaagcacgct tatcgctcca 6840atttcccaca acattagtca actccgttag gcccttcatt gaaagaaatg aggtcatcaa 6900atgtcttcca atgtgagatt ttgggccatt ttttatagca aagattgaat aaggcgcatt 6960tttcttcaaa gctttattgt acgatctgac taagttatct tttaataatt ggtattcctg 7020tttattgctt gaagaattgc cggtcctatt tactcgtttt aggactggtt cagaattcct 7080caaaaattca tccaaatata caagtggatc gatcctaccc cttgcgctaa agaagtatat 7140gtgcctacta acgcttgtct ttgtctctgt cactaaacac tggattatta ctcccagata 7200cttattttgg actaatttaa atgatttcgg atcaacgttc ttaatatcgc tgaatcttcc 7260acaattgatg aaagtagcta ggaagaggaa ttggtataaa gtttttgttt ttgtaaatct 7320cgaagtatac tcaaacgaat ttagtatttt ctcagtgatc tcccagatgc tttcaccctc ...
2PIM: Crystal structure of Phenylacetic acid degradation-related protein (YP_298971.1) from Ralstonia eutropha JMP134 at 2.20 A resolution
Compared with mCPBA, the advantages of using dioxiranes are neutral reaction conditions, easy workup (since the byproduct is only acetone), and low cost of the reagents. However, dioxirane reagents are unstable and have to be prepared freshly for each experiment. These reagents require purification by vacuum distillation and somewhat special handling.. For certain substrates, direct hydroxylation of unactivated aliphatic C-H bonds is possible.. ...
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By Stephen Simpson. At the risk of sounding a bit mean, CareFusion (NYSE:CFN) doesnt get all that much attention in the market. The company has a solid business between its operations in pharmaceutical dispensing, infusion, respiratory care, and procedural disposables, but it never really seems to get much attention unless/until theres another round of news about infusion pumps - a business where rivals like Baxter (NYSE:BAX) and Hospira (NYSE:HSP) have seen recalls that benefited CareFusion. That has changed very recently, though, as CareFusion seems to be a key potential acquirer for at least 2 medical device businesses known to be on the block - ICU Medical (NSDQ:ICUI) and Smiths Groups (LON:SMIN) Smith Medical. CareFusion has long been an active acquirer and recently not only reaffirmed its commitment to future deals, but a willingness to do larger deals than before. While both ICU Medical and Smiths Medical make solid sense for CareFusion, both deals have certain drawbacks as well. ICU ...
Sandro Rosell and Bill Gates neet in New York to discuss the first year of the alliance between the FC Barcelona Foundation and the Bill & Melinda Gates Foundation
This page includes the following topics and synonyms: Ortho-Tricyclen, OrthoTricyclen, Ortho Tricyclen, Ortho Tri-Cyclen, Tri-Sprintec.
Abstract. An operationally simple, tin-free reductive dehalogenation system allows the reduction of activated C-X bonds in good yields with excellent functional-group tolerance and chemoselectivity over aryl and vinyl C-X bonds in the presence of the well-known visible-light-activated photoredox catalyst Ru(bpy)3Cl2 in combination with iPr2NEt and HCO2H or Hantzsch ester as the hydrogen atom donor.. ...
article{1e3e8517-316c-47fb-8c15-58084740f5dd, abstract = {When 7-oxodesacetamidothiocolchicine ( 1) was treated with various peroxides in order to afford a Baeyer-Villiger rearrangement, a complex mixture of products was formed, which included the sulfoxide, ( 2) and sulfone, ( 3). When peracetic acid was used two additional products were formed; a C-ring lactone ( 4) and a ring-contracted allocolchicine derivative ( 5). The sulfoxide ( 2) was semi-preparatively resolved into enantiomers by chromatography on microcrystalline triacetylcellulose. Rotational barriers around the A - C pivot bond of 2, 4 and 5 were determined by dynamic H-1 NMR analysis. The compounds 2, 3, 4 and 7a exhibit moderate inhibition of tubulin polymerization, according to in vitro turbidity studies, whereas 5 was inactive.}, author = {Berg, Ulf and Bladh, Håkan and Mpampos, Konstantin}, issn = {1477-0539}, language = {eng}, number = {14}, pages = {2125--2130}, publisher = {Royal Society of Chemistry}, series = {Organic ...
aacactgcca gcgcatcaac 8880aatattttca cctgaatcag gatattcttc taatacctgg aatgctgttt tcccggggat 8940cgcagtggtg agtaaccatg catcatcagg agtacggata aaatgcttga tggtcggaag 9000aggcataaat tccgtcagcc agtttagtct gaccatctca tctgtaacat cattggcaac 9060gctacctttg ccatgtttca gaaacaactc tggcgcatcg ggcttcccat acaatcgata 9120gattgtcgca cctgattgcc cgacattatc gcgagcccat ttatacccat ataaatcagc 9180atccatgttg gaatttaatc gcggcctcga gcaagacgtt tcccgttgaa tatggctcat 9240aacacccctt gtattactgt ttatgtaagc agacagtttt attgttcatg atgatatatt 9300tttatcttgt gcaatgtaac atcagagatt tt 93322080DNAartificial sequencePrimer 20atgtcgcaac ataacgaaaa gaacccacat cagcaccagt caccactaca cgattccagc 60gtgtaggctg gagctgcttc 802182DNAartificial sequencePrimer 21ttacgccggg attttgtcaa tcttaggaat gcgtgaccac acgcggtgtg ctgtcatcag 60attccgggga tccgtcgacc tg 82221424DNAartificial sequenceSynthetic construct 22ttacgccggg attttgtcaa tcttaggaat gcgtgaccac acgcggtgtg ctgtcatcag 60attccgggga tccgtcgacc tgcagttcga agttcctatt ctctagaaag tataggaact 120tcagagcgct ...
SWISS-MODEL Repository entry for Q04Q03 (FTSH_LEPBJ), ATP-dependent zinc metalloprotease FtsH. Leptospira borgpetersenii serovar Hardjo-bovis (strain JB197)
activated-sludge method: Sewage-treatment process in which sludge, the accumulated, bacteria-rich deposits of settling tanks and basins, is seeded into incoming waste water and the mixture agitated for...
The six step synthesis of the new imidazole-like heterocycle 1,6-diazaphenalene (8) from readily available cyclohexane-1,3-dione 1 and dimethyl beta-ketoglutarate 2 is described. In addition, a six step synthesis of 9-methoxy-diazaphenalene (34) from ethylacetoacetate and p-ansidine has also been accomplished. An investigation of the chemistry of 8 has been carried out and resulted in several routes to key 7-substituted-1,6-diazaphenalenes such as 10, 15, 16, and 17, as well as conditions under which to N-alkylate 8. In fact, this alkylation sequence has resulted in the preparation of the target 17. The reaction of 1,6-diazaphenalene with singlet oxygen and peracids has also been determined as well as preparation of several key derivatives in the 9-methoxy-series.*Antimalarials
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The gene cluster, coding for the chlorocatechol sp. of hereditary, biochemical, and ecological areas of the connections of several chloroaromatic substances with microorganisms in the biosphere within a broad work to comprehend the fate of the chemicals in the surroundings also to develop book bioremediation strategies (22, 33, 37). Among the principles to emerge out of this body of function is the department of biodegradative routes into higher and lower pathways that are linked with the central intermediate chlorocatechol (38). Hereditary research of chlorocatechol sp. stress P51 and sp. stress PS12: an entire mineralization pathway seems to have advanced through transposon-mediated recruitment of toluene or benzene dioxygenase and dihydrodiol dehydrogenase genes following to a gene cluster coding for an gene cluster, hereafter known as the gene cluster) in the trichlorobenzene-degrading stress sp. stress P51 (41) within a Tnchlorocatechol catabolic genes are organized within an operon and ...
Magnesium monoperoxyphthalate (MMPP) is a water-soluble peroxy acid used as an oxidant in organic synthesis. Its main areas of use are the conversion of ketones to esters (Baeyer-Villiger oxidation), epoxidation of alkenes (Prilezhaev reaction), oxidation of sulfides to sulfoxides and sulfones, oxidation of amines to produce amine oxides, and in the oxidative cleavage of hydrazones. Due to its insolubility in nonpolar solvents MMPP has seen less use than the more widely used meta-chloroperoxybenzoic acid (mCPBA). Although work up procedures are more simply handled in polar solvents, usage of MMPP to oxidize nonpolar substrates in biphasic media combined with a phase transfer catalyst have been inefficient. Despite this MMPP has certain advantages over mCPBA including a lower cost of production and increased stability. MMPP is also used as the active ingredient in certain surface disinfectants such as Dismozon Pur. As a surface disinfectant MMPP exhibits a broad spectrum biocidal effect including ...
p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.,/p> ,p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.,/p> ,p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).,/p> ,p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x,sup>64,/sup> + x,sup>4,/sup> + x,sup>3,/sup> + x + 1. The algorithm is described in the ISO 3309 standard. ,/p> ,p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.,br /> ,strong>Cyclic redundancy and other checksums,/strong>,br /> ,a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993),/a>),/p> Checksum:i ...
More than 2,000 reports of dicamba damage are now under investigation; an estimated 3.1 million acres has been damaged by dicamba drift this season.
SWISS-MODEL Repository entry for Q04Q93 (NADD_LEPBJ), Probable nicotinate-nucleotide adenylyltransferase. Leptospira borgpetersenii serovar Hardjo-bovis (strain JB197)