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Dicarboxylic AcidsPhthalic AcidsEstersCycloleucineAmino Acids, DicarboxylicDicarboxylic Acid TransportersFumaratesMalatesSuccinatesReceptors, Metabotropic GlutamateCarboxylic AcidsSuccinic AcidAdipatesReye SyndromePipecolic AcidsFatty AcidsNeurotransmitter Uptake InhibitorsTartratesAcenaphthenesMethylphenazonium MethosulfateAspartic AcidBicyclo CompoundsExcitatory Amino Acid AgonistsExcitatory Amino Acid AntagonistsHeptanesQuisqualic AcidStereoisomerismAmino AcidsGas Chromatography-Mass SpectrometryKineticsProdrugsMaleatesCholesterol EstersLauratesMolecular StructureFormic Acid EstersAcetobacterChromatography, GasMagnetic Resonance SpectroscopyCyclic S-OxidesGlutamic AcidGlutamatesBenzoatesCarboxylic Ester HydrolasesChromatography, High Pressure LiquidSkin Lightening PreparationsCoumaric AcidsDiazonium CompoundsOxidation-ReductionHydrogen-Ion ConcentrationIndansOxaloacetatesBicyclo Compounds, HeterocyclicHydrolysisGlutaratesPicolinic AcidsGranuloma AnnulareAnhydridesSulfhydryl ReagentsSubstrate SpecificityAminobutyratesReceptors, GlutamateCaffeic AcidsChemistry Techniques, SyntheticCyclopropanesReceptors, Amino AcidStructure-Activity RelationshipMass SpectrometryBiological Transport, ActiveTricarboxylic AcidsMalate DehydrogenaseDecanoic AcidsAmino Acid Transport System X-AGChemistryGlycineChemical PhenomenaEsterificationMalonatesDiospyrosAcylationAcetatesResorcinolsSpectrophotometry, UltravioletEuropiumDermatologic AgentsNeurotoxinsKetoglutaric AcidsFarnesolCitric Acid CycleRats, Sprague-DawleyStearic AcidsCandida tropicalisSinorhizobium melilotiAdonisBiodegradation, Environmentalalpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidHexanolsChromatography, Thin LayerN-MethylaspartateNitrogen Fixation
Monocarboxylic acidsCarboxylicAromaticCarboxyl groupsDerivativesAminoGlutamic acidAtomsOxalic acidKetonesStoichiometricBenzoic AcidAlkylDiolToxicityThereofMixtureInventionCopolymersMolecularNitrogenWidelyChemicalPreferablyCompoundsManufactureGeneral formulaMoleculeLargeLinearWeightHighHumanChainProductsMeans
Monocarboxylic acids1
Carboxylic3
  • The dicarboxylation with CO 2 , especially those of unsaturated substrates, has been well documented in the past 30 years, providing an effective method for the synthesis of various functionalized carboxylic acids and derivatives. (nso-journal.org)
  • Carboxylic acids. (lookformedical.com)
  • Carboxylic acids can be saturated, unsaturated, or aromatic. (lookformedical.com)
Aromatic2
Carboxyl groups2
  • In organic chemistry, a dicarboxylic acid is an organic compound containing two carboxyl groups (−COOH). (wikipedia.org)
  • R and R' are divalent radicals remaining after removal of carboxyl groups from a dicarboxylic acid having a molecular weight of less than 300. (allindianpatents.com)
Derivatives2
  • Derivatives of pimelic acid are involved in the biosynthesis of lysine. (wikipedia.org)
  • The segmented copolyetheresters are prepared from (a) dicarboxylic acids or ester-forming derivatives, (b) polyethers of the formula HO(RO)nH, and (c) dihydroxy compounds selected from bis-phenols and lower aliphatic glycols. (allindianpatents.com)
Amino9
  • Other examples of dicarboxylic acids include aspartic acid and glutamic acid, two amino acids in the human body. (wikipedia.org)
  • This group of compounds includes amino acids and fatty acids. (lookformedical.com)
  • A class of amino acids characterized by a closed ring structure. (lookformedical.com)
  • A non-essential amino acid that is synthesized from GLUTAMIC ACID. (lookformedical.com)
  • Organic compounds that generally contain an amino (-NH2) and a carboxyl (-COOH) group. (lookformedical.com)
  • Twenty alpha-amino acids are the subunits which are polymerized to form proteins. (lookformedical.com)
  • WO 2006/135881 describes quaternized ammonium salts prepared by condensation of a hydrocarbyl-substituted acylating agent and of an oxygen- or nitrogen-containing compound with a tertiary amino group, and subsequent quaternization by means of hydrocarbyl epoxide in the presence of stoichiometric amounts of an acid, especially acetic acid. (trea.com)
  • UPLC-QTOF-MS identified 16 intermediate transformation products formed through hydroxylation, hydrolysis, and oxidation in phase I metabolism and further by conjugation with amino acids, glutathione, and carbohydrates in phase II metabolism. (bvsalud.org)
  • The metabolomic analysis showed that key metabolic pathways including citrate cycle, biosynthesis of aminoacyl-tRNA, and metabolism of amino acids, sphingolipids, carbohydrates, nucleotides, and glutathione were activated in rice plants exposed to DnBP and its primary metabolite mono-n-butyl phthalate (MnBP). (bvsalud.org)
Glutamic acid1
Atoms4
  • A total of 26 minor acids (from 2 in pecan to 8% in peanut) were determined: 8 species derived from succinic acid, likely in relation with photosynthesis, and 18 species with a chain from 5 to 22 carbon atoms. (wikipedia.org)
  • It is an advantage of the process according to the present invention that a catalyst with a higher activity is obtained if before being contacted with the titanium tetrachloride, the solid magnesium containing support, having the formula Mg(OAIk)xCly, is treated with titanium tetraalkoxide Ti (OAIk) Generally, the alkyl group Alk of Mg(OAIk)xCly is an alkyl group with 1-8 carbon atoms. (allindianpatents.com)
  • 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. (lookformedical.com)
  • andT is the divalent acyl residue of an aliphatic or cycloaliphatic dicarboxylic acid of 13 to 60 carbon atoms;and which contains at least one moiety of formula (IV) and at least one moiety T. (patentsencyclopedia.com)
Oxalic acid1
  • Acids from the two-carbon oxalic acid to the ten-member sebacic acid may be remembered using the mnemonic 'Oh My Son, Go And Pray Softly And Silently', and also 'Oh my! (wikipedia.org)
Ketones1
  • organic bases (amines) neutral (esters, ketones, aldehydes, ethers, etc) Organic acids, organic bases, and neutral organic compounds can be readily separated from each other on the basis of their acid-base characteristics. (bartleby.com)
Stoichiometric1
  • However, both the use of stoichiometric acids and the high toxicity of CO limit the development of such dicarboxylation reactions. (nso-journal.org)
Benzoic Acid1
  • What is the proper way to balance an the reaction of benzoic acid with sodium hydroxide to form sodium benzoate? (bartleby.com)
Alkyl1
Diol1
  • G is a divalent radical remaining after removal of terminal hydroxyl groups from a long chain polymeric ether glycol, having a molecular weight greater than 600 and a melting point below 55°C. D is a divalent radical remaining after removal of terminal hydroxyl groups from a low molecular weight diol. (allindianpatents.com)
Toxicity1
  • 0002] Quaternary ester ammonium compounds, commonly referred to as "esterquats" (EQ), have found broad use as fabric softener actives due to their high softening performance (e.g., for softening textile fibers and fabrics as well as keratinous fibers, such as hair), their biodegradability, reasonably low aquatic toxicity, and good cosmetic compatibility with the skin. (epo.org)
Thereof1
  • FIELD OF THE INVENTION The present invention relates to polyether ester elastomers, and manufacture and use thereof. (allindianpatents.com)
Mixture1
Invention1
Copolymers3
  • Dicarboxylic acids are used in the preparation of copolymers such as polyamides and polyesters. (wikipedia.org)
  • Volume 1 covers the methodology used for the determination of metals, non-metals and organic functional groups in polymers, and for the determination of the ratio in which different monomer units occur in copolymers. (chemtec.org)
  • More detailed aspects, such as sequencing of monomer units in copolymers, end-group analysis, tacticity and stereochemical determinations, are also dealt with in this subsequent volume. (chemtec.org)
Molecular2
  • provided however, that there must be used either at least two dicarboxylic acids (or their equivalents) or at least two low molecular weight diols. (allindianpatents.com)
  • 6. A polymer composition according to claim 5, wherein the sterically hindered amine is a compound comprising a group of the formula (I) or (II) ##STR00010## in which G is hydrogen or methyl, and G1 and G2, independently of one another, are hydrogen, methyl or together are a substituent ═O,and wherein the compound preferably has a molecular weight from the range 170 g/mol to 10000 g/mol. (patentsencyclopedia.com)
Nitrogen1
  • Azelaic acid's name stems from the action of nitric acid (azote, nitrogen, or azotic, nitric) oxidation of oleic acid or elaidic acid. (wikipedia.org)
Widely2
  • The most widely used dicarboxylic acid in the industry is adipic acid, which is a precursor in the production of nylon. (wikipedia.org)
  • Dicarboxylic acids, which are appealing structural motifs in organic synthesis and exist widely in bioactive compounds, have been widely used as important monomers in the polymer industry to construct valuable materials. (nso-journal.org)
Chemical1
  • The dicarboxylation with CO 2 provides a convenient and potent way to furnish value-added dicarboxylic acids via the chemical fixation of two CO 2 molecules. (nso-journal.org)
Preferably3
Compounds3
  • Organic compounds containing the carboxy group (-COOH). (lookformedical.com)
  • Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. (lookformedical.com)
  • Organic compounds containing a carbonyl group in the form -CHO. (lookformedical.com)
Manufacture2
  • Suberic acid is used in the manufacture of alkyd resins and in the synthesis of polyamides (nylon variants). (wikipedia.org)
  • Azelaic acid is used, as simple esters or branched-chain esters) in the manufacture of plasticizers (for vinyl chloride resins, rubber), lubricants and greases. (wikipedia.org)
General formula1
  • The general formula for acyclic dicarboxylic acid is HO 2C(CH 2) nCO 2H. (wikipedia.org)
Molecule1
  • Azelaic acid was identified as a molecule that accumulated at elevated levels in some parts of plants and was shown to be able to enhance the resistance of plants to infections. (wikipedia.org)
Large2
  • A large survey of the dicarboxylic acids present in Mediterranean nuts revealed unusual components. (wikipedia.org)
  • Dicarboxylic acids are important structural motifs in a large quantity of pharmaceuticals and natural products. (nso-journal.org)
Linear1
  • The alkoxide group of the titanium tetraalkoxide may be either linear or branched. (allindianpatents.com)
Weight2
  • Higher weight acids (>C20) are found in suberin present at vegetal surfaces (outer bark, root epidermis). (wikipedia.org)
  • A polyether ester elastomer comprising 90 to 60 weight % polytrimethylene ether ester soft segment and 10 to 40 weight % tetramethylene ester hard segment. (allindianpatents.com)
High1
  • Moreover, the advantages and limitations of such dicarboxylation reactions are pointed out to unravel further development for future scientific and industrial advances in dicarboxylation with CO 2 to synthesize dicarboxylic acids in high selectivity and efficiency. (nso-journal.org)
Human1
  • Our understanding is limited concerning the interaction mechanism between widespread phthalate esters and staple crops, which have strong implications for human exposure. (bvsalud.org)
Chain1
  • U. S. Patent 3,651,014 Witsiepe discloses copolyetheresters consisting of recurring long chain and short chain ester units. (allindianpatents.com)
Products1
  • Mono-2-hydroxy-n-butyl phthalate-l-aspartic acid (MHBP-asp) and mono-2-hydroxy-n-butyl phthalate-d-alanyl-ß-d-glucoside (MHBP-ala-glu) products were observed for the first time. (bvsalud.org)
Means1
  • Adipic acid, despite its name (in Latin, adipis means fat), is not a normal constituent of natural lipids but is a product of oxidative rancidity. (wikipedia.org)