• Derivatives of pimelic acid are involved in the biosynthesis of lysine. (wikipedia.org)
  • The carboxyl group of a large family of related compounds called Acyl compounds or Carboxylic Acid Derivatives . (wikibooks.org)
  • All the reactions and compounds covered in this section will yield Carboxylic Acids on hydrolysis, and thus are known as Carboxylic Acid Derivatives. (wikibooks.org)
  • The systematic IUPAC nomenclature for carboxylic acid derivatives is different for the various compounds which are in this vast category, but each is based upon the name of the carboxylic acid closest to the derivative in structure. (wikibooks.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)
  • Acyl derivatives are obtained by replacing the -OH group from carboxyl group by another reactive atom or group. (studyinnovations.com)
  • Acyl derivatives on hydrolysis yield the parent acid. (studyinnovations.com)
  • Alternative system of nomenclature is naming the acids as the derivatives of acetic acids. (studyinnovations.com)
  • Aromatic acids Ar- COOH are usually named as derivatives of the parent acid benzoic acid, C 6 H 5 COOH. (studyinnovations.com)
  • 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)
  • These compounds have been manufactured by oxidative coupling of naphthalene 1,8-dicarboxylic acid or its derivatives such as a 1,8-monoimide variant, which the contemporary production by commercial suppliers still relies on [ 5 ] . (encyclopedia.pub)
  • Papp, C., Surface science and liquid phase investigations of oxanorbornadiene/oxaquadricyclane ester derivatives as molecular solar thermal energy storage systems on Pt(111). (fau.eu)
  • In this study, seven ARG derivatives containing different amino acids coupled via an ethoxy linker were synthesized, and tested for their solubility, as well as activities to improve exercise performance in mice. (bvsalud.org)
  • If both acyl groups are the same, then it is simply the name of the carboxylic acid with the word acid replaced with anhydride . (wikibooks.org)
  • Based on the recent report released by Emergen Research, the Tartaric Acid Market size was USD 287.2 Million in 2022 and is predicted to reach a CAGR of 5.8% over the assessment period. (emergenresearch.com)
  • Inhibition of glutathione S-transferases by photoactive calix[4]arene α-ketophosphonic acids (2022) Bioorganic and Medicinal Chemistry Letters, 77, статья № 129019. (org.ua)
  • Synthesis and separation of diastereomeric N-(1-phenylethyl)amides of inherently chiral hydroxydibenzoyloxy-calix[4]arene acetic acids (2022) Chirality, 34(11),pp.1466-1471.https://www.scopus.com/inward/record.uri?eid=2-s2.0 85136719766&doi=10.1002%2fchir.23503&partnerID=40&md5=21fd40d69ba3d6b5c9bc10e56bcd406. (org.ua)
  • Upon solar irradiation in the lower troposphere, the main photochemical products are ketene-enol (a key intermediate product), furanones, and maleic anhydride. (bvsalud.org)
  • Two water molecules are also necessary to form maleic anhydride from furan-2-ol. (bvsalud.org)
  • Acyl groups are named by stripping the -ic acid of the corresponding carboxylic acid and replacing it with -yl . (wikibooks.org)
  • A carboxylic acid anhydride ([RC=O]O[O=CR]) is a carboxylic acid (COOH) that has an acyl group (RC=O) attached to its oxygen instead of a hydrogen. (wikibooks.org)
  • Esters are created when the hydrogen on a carboxylic acid is replaced by an alkyl group. (wikibooks.org)
  • Amides which have an amino group (-NH 2 ) attached to a carbonyl group (RC=O) are named by replacing the -oic acid or -ic acid of the corresponding carboxylic acid with -amide . (wikibooks.org)
  • The stability of any type of carboxylic acid derivative is generally determined by the ability of its functional group to donate electrons to the rest of the molecule. (wikibooks.org)
  • The group obtained from a carboxylic acid by the removal of the hydroxyl portion is known as an acyl group. (studyinnovations.com)
  • The names of amides are formed by replacing -oic acid (or -ic acid for common names) by amide or -carboxylic acid by carboxamide. (studyinnovations.com)
  • Also, it has a chemical formula of C4H6O6 and is classified as a dicarboxylic acid, meaning it has two carboxylic acid functional groups (-COOH) in its molecule. (emergenresearch.com)
  • The alkyl group directly attached to the oxygen is named first, followed by the acyl group, with -ate replacing -yl of the acyl group. (wikibooks.org)
  • to indicate substitution on nitrogen, followed by the name(s) of alkyl group(s). (studyinnovations.com)
  • During oxidation of unsymmetrical ketones the point of cleavage is such that keto group stays preferentially with the smaller alkyl group popoff's rule). (aglasem.com)
  • 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 alkyl group may be linear or branched. (allindianpatents.com)
  • In general, dicarboxylic acids show similar chemical behavior and reactivity to monocarboxylic acids. (wikipedia.org)
  • According to the IUPAC system of nomenclature, the suffix of the monocarboxylic acid is 'oic acid', which is added to the name of the alkane corresponding to the longest carbon chain containing the carboxyl group, e.g. (studyinnovations.com)
  • This group of compounds also contains a carbonyl group, but now there is an electronegative atom (oxygen, nitrogen, or a halogen) attached to the carbonyl carbon. (wikibooks.org)
  • The compounds of formula (I) and their acid addition salts exhibit antidepressant properties in mammals when tested by standard techniques for example the tetrabenazine-induced sedation test in the rat. (justia.com)
  • The compounds of formula (I) may conveniently be prepared by deprotection of a derivative of a compound of formula (I) wherein the amino group is protected or masked. (justia.com)
  • A group of compounds that has the general structure of a dicarboxylic acid-substituted benzene ring. (lookformedical.com)
  • 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)
  • ii) gem-Dialkoxy compounds in which the two alkoxy groups are present on the terminal carbon atom are called acetals. (psebsolutions.com)
  • 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)
  • These esters, under the presence of zinc chloride, undergo Fries conversion and form the corresponding ketone compounds. (go.jp)
  • Instead your research group can rapidly analyze new compounds as they are synthesized in the lab without having to queue up in the departmental core facility. (rigaku.com)
  • 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)
  • Simple dicarboxylic acids having the general formula HO 2 C-(CH 2 ) n -CO 2 H (where n = 0 to 5) are known by the common names: Oxalic (n=0), Malonic (n=1), Succinic (n=2), Glutaric (n=3), Adipic (n=4) and Pimelic (n=5) Acids. (msu.edu)
  • 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)
  • Azelaic acid was prepared by oxidation of oleic acid with potassium permanganate, but now by oxidative cleavage of oleic acid with chromic acid or by ozonolysis. (wikipedia.org)
  • Inorganic acids such as trifluoroacetic, hydrochloric, phosphoric, and sulfuric acids as well as Lewis acids such as the chlorides of tin (IV), iron (III), zinc, and titanium may fall in the first category [23]. (jmchemsci.com)
  • In this one-step process, polyurethane was formed by the reaction of the isocyanates with the hydroxyl-functional groups from the polyester, while its gas phase was formed by the generation of carbon dioxide. (iqsdirectory.com)
  • The carboxyl group (abbreviated -CO 2 H or -COOH) is one of the most widely occurring functional groups in chemistry as well as biochemistry. (wikibooks.org)
  • However, the properties of carboxylic acids are not simply the combined properties of the two directly bonded functional groups. (studyinnovations.com)
  • The carboxyl functional group that characterizes the carboxylic acids is unusual in that it is composed of two functional groups described earlier in this text. (msu.edu)
  • Other combinations of functional groups were described previously, and significant changes in chemical behavior as a result of group interactions were described (e.g. phenol & aniline). (msu.edu)
  • Carboxylic acids are widespread in nature, often combined with other functional groups. (msu.edu)
  • Tartaric acid is one of the minimal antimicrobial of the organic acids known to inactivate fewer microorganisms and inhibit less microbial growth in comparison with most other organic acids (including acetic, ascorbic, benzoic, citric, formic, fumaric, lactic, levulinic, malic, and propionic acids) in the published scientific literature. (emergenresearch.com)
  • Only the hydrogen atom of the carboxyl group is replaceable by a metal, therefore the fatty acids are mono-basic. (studyinnovations.com)
  • The fatty acids are important components of the biomolecules known as lipids , especially fats and oils. (msu.edu)
  • Interestingly, the molecules of most natural fatty acids have an even number of carbon atoms . (msu.edu)
  • 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)
  • Nitriles are named by adding the suffix -nitrile to the longest hydrocarbon chain (including the carbon of the cyano group). (wikibooks.org)
  • Glycinamides of formula (1):NH.sub.2 CH.sub.2 CONHE (1)wherein E has seven to nine carbon atoms and is branched alkyl, alkylcycloalkyl or cycloalkylalkyl or their acid addition salts, methods of preparing them, pharmaceutical compositions containing them and their use in medicine as anti-depressants. (justia.com)
  • and acid addition salts thereof wherein E has seven to nine carbon atoms and is selected from alkylcycloalkyl, cycloalkylalkyl and branched alkyl. (justia.com)
  • the group (III) forms a cycloalkyl residue, ##STR3## and E has seven to nine carbon atoms. (justia.com)
  • The carbon and oxygen of the carbonyl group are Sp 2 hybridised and the carbonyl double bond contains one o-bond and one π-bond. (aglasem.com)
  • As with aldehydes, the carboxyl group must be located at the end of a carbon chain. (msu.edu)
  • In other cases, common names make use of the Greek letter notation for carbon atoms near the carboxyl group. (msu.edu)
  • Simple alkyl carboxylic acids, composed of four to ten carbon atoms, are liquids or low melting solids having very unpleasant odors. (msu.edu)
  • Since nature makes these long-chain acids by linking together acetate units, it is not surprising that the carbon atoms composing the natural products are multiples of two. (msu.edu)
  • In ketals, the two alkoxy groups are present on the same carbon within the chain. (psebsolutions.com)
  • In organic chemistry, a dicarboxylic acid is an organic compound containing two carboxyl groups (−COOH). (wikipedia.org)
  • Oxalic acid is an organic compound with the formula C 2 H 2 O 4 . (antareschem.com)
  • Typically, oxalic acid occurs as the dihydrate with the formula C 2 H 2 O 4 ·2H 2 O. Excessive ingestion of oxalic acid or prolonged skin contact can be dangerous. (antareschem.com)
  • Oxalic acid is rubbed onto completed marble sculptures to seal the surface and introduce a shine. (antareschem.com)
  • Oxalic acid is also used to clean iron and manganese deposits from quartzcrystals. (antareschem.com)
  • Oxalic acid is used as a bleach for wood, removing black stains caused by water penetration. (antareschem.com)
  • Organic compound containing carboxyl group or groups are called carboxylic acids. (studyinnovations.com)
  • The positions of side-chains (or substituents) are indicated by numbers, the numbering to be started from the side of the carboxyl group. (studyinnovations.com)
  • The name of the cation (in the case of a salt) or the name of the organic group attached to the oxygen of the carboxyl group (in the case of an ester) precedes the name of the acid. (studyinnovations.com)
  • As may be seen in the formula on the right, the carboxyl group is made up of a hydroxyl group bonded to a carbonyl group. (msu.edu)
  • The characteristic IUPAC suffix for a carboxyl group is " oic acid ", and care must be taken not to confuse this systematic nomenclature with the similar common system. (msu.edu)
  • An interaction of resorcinol and caproic anhydride gave hexylylresorcinol with over 60% yield. (go.jp)
  • In essence, the more electronegative the atom or group attached to carbonyl group, the less stable the molecule. (wikibooks.org)
  • with two carbonyl groups so close together the oxygen in between them cannot stabilize both by resonance - it can't loan electrons to both carbonyls. (wikibooks.org)
  • In this case, the change in chemical and physical properties resulting from the interaction of the hydroxyl and carbonyl group are so profound that the combination is customarily treated as a distinct and different functional group. (msu.edu)
  • This reaction, as illustrated in Scheme 3, involves the creation of coumarin-based derivative by conjugating a phenolic compound with dicarboxylic acid-containing derivative using concentrated inorganic acid like HCl or H 2 SO 4 as a promoter [22]. (jmchemsci.com)
  • Derivative Z-A-6 exhibited the highest activity, showing that the mice ran a 4.88-fold greater distance in the running wheel test and swam a 2.86-fold greater time in the swimming test than those in the blank control group. (bvsalud.org)
  • 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)
  • Used extensively in industry and as a reagent in the acylation of amino- and hydroxyl groups. (lookformedical.com)
  • The functional group contains CARBOnly and hydroXYL groups directly bonded to each other. (studyinnovations.com)
  • Z-A-6 treatment increased the plasma superoxide dismutase and catalase concentrations as well as reduced lactic acid and blood urea nitrogen accumulation during exercise. (bvsalud.org)
  • iv) Oxidation Aldehydes get easily oxidised to carboxylic acids by HNO 3 , KMnO 4 , K 2 Cr 2 O 7 , etc., or even by mild oxidising agent. (aglasem.com)
  • These are easily hydrolyzed by dilute mineral acids to regenerate the original aldehydes. (psebsolutions.com)
  • The high - temperature reaction of acetate anhydride with salicylaldehyde, using an alkaline dried salt like sodium acetate, has created the coumarin-derived compound as indicated in Scheme 1. (jmchemsci.com)
  • FIELD OF THE INVENTION The present invention relates to polyether ester elastomers, and manufacture and use thereof. (allindianpatents.com)
  • 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)
  • When used in medicine the salts of a compound of formula (I) should be both pharmacologically and pharmaceutically acceptable acid addition salts, but non-acceptable salts may be conveniently used to prepare the bases of such acceptable salts and are not excluded from the scope of this invention. (justia.com)
  • The unsaturated polyester resin is generally a linear polymer compound having an ester bond and an unsaturated double bond formed by polycondensation of an unsaturated dibasic acid diol or a saturated dibasic acid unsaturated diol. (robertvanogallery.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)
  • The preferred glycinamide of this invention is 2-amino-N-(1,1-dimethylhexyl)acetamide and acceptable acid addition salts thereof. (justia.com)
  • 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)
  • Further, tartaric acid has several industrial and food-related applications. (emergenresearch.com)
  • The growing demand for the pharmaceutical sector is anticipated to enhance the global tartaric acid market as it is utilized in the pharmaceutical sector as a chelating agent and in the manufacturing of certain drugs. (emergenresearch.com)
  • Also, the rising popularity of wine is driving the global market because tartaric acid is an essential ingredient in wine production. (emergenresearch.com)
  • However, huge production costs and the availability of alternative products are the major factors hindering the global tartaric acid market share. (emergenresearch.com)
  • Carboxylic acids are strong organic acids having acidic character due to the replaceable hydrogen atom in the functional group. (studyinnovations.com)
  • However, both the use of stoichiometric acids and the high toxicity of CO limit the development of such dicarboxylation reactions. (nso-journal.org)
  • Pimelic acid (Greek pimelh, fat) was also first isolated from oxidized oil. (wikipedia.org)
  • 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)
  • Representative examples of such molecules include 3,4,9,10-perylenetetracarboxylic acid (PTCA) and its dianhydride (PTCDA), which contain carboxylic functionalities at the so-called peri positions (Figure 1). (encyclopedia.pub)
  • These molecules are based on a cystamine core with protonated terminal dipeptide groups. (bvsalud.org)
  • 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)
  • Unsaturated polyester, any of a group of thermosetting resins produced by dissolving a low-molecular-weight unsaturated polyester in a vinyl monomer and then copolymerizing the two to form a hard, durable plastic material. (robertvanogallery.com)
  • Absense of an condensation agent, such as zinc chloride, in this reaction, results in the formation of mono- and di-esters of resorcinol. (go.jp)
  • Polyester resins are unsaturated synthetic resins formed by the reaction of dibasic organic acids and polyhydric alcohols. (robertvanogallery.com)
  • The transitional reaction intermediate named ortho-hydroxycinnamic acid affords the target product via a spontaneous lactonization [19]. (jmchemsci.com)
  • As conditions controlling the reaction, the reaction temperature, concentration of sulfuric acid and the amount of the acid, were examined. (go.jp)
  • Considerations were given as to the action and the amount of sulfuric acid and the minimum limit necessary for the reaction was drawn. (go.jp)
  • by demasking a protected amino group or by the formation of the amido linkage. (justia.com)
  • Simply add the name of the attached halide to the end of the acyl group. (wikibooks.org)
  • Preferably, at least one of the alkoxy groups in the titanium tetraalkoxide is an ethoxy group. (allindianpatents.com)
  • 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)
  • 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)