A monocarboxylic acid in which the carbon of the carboxy group is directly attached to a C=C or C#C bond.
| Member | Definition | Role |
|---|
| 10-hydroxy-2-decenoic acid | An omega-hydroxy amino acid that is 2-decenoic acid in which one of the hydrogens attached to the terminal carbon is replaced by a hydroxy group and in which the C=C double bond has E configuration. It is a component of royal jelly. | (E)-10-hydroxydec-2-enoic acid |
| 2-chloroacrylic acid | A chlorocarboxylic acid that is acrylic acid in which the hydrogen at position 2 is substituted by chlorine. | 2-chloroacrylic acid |
| 4-coumaroylshikimic acid | | 4-coumaroylshikimic acid |
| 5-o-caffeoylshikimic acid | A carboxylic ester obtained by formal condensation of the carboxy group of (E)-caffeic acid with the 5-hydroxy group of shikimic acid. | 5-[(E)-caffeoyl]shikimic acid |
| 7-aminocephalosporanic acid | The alpha,beta-unsaturated monocarboxylic acid that is the active nucleus for the synthesis of cephalosporins and intermediates. | 7beta-aminocephalosporanic acid zwitterion; 7beta-aminocephalosporanic acid |
| 7-deoxyloganic acid | A cyclopentapyran that is 1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid substituted at positions 1 and 7 by beta-D-glucosyloxy and methyl groups respectively (the 1S,4aS,7S,7aR-diatereomer). | 7-deoxyloganic acid |
| acitretin | | all-trans-acitretin |
| acrivastine | A member of the class of pyridines that is (pyridin-2-yl)acrylic acid substituted at position 6 by a [(1E)-1-(4-methylphenyl)-3-(pyrrolidin-1-yl)prop-1-en-1-yl group. It is a non-sedating antihistamine used for treatment of hayfever, urticaria, and rhinitis. | acrivastine |
| acrylic acid | A alpha,beta-unsaturated monocarboxylic acid that is ethene substituted by a carboxy group. | acrylic acid |
| arenaemycin e | A sesquiterpene lactone that is isolated from several Streptomyces species and exhibits antibiotic activity. | pentalenolactone |
| ascr#3 | An (omega-1)-hydroxy fatty acid ascaroside obtained by formal condensation of the alcoholic hydroxy group of (2E,8R)-8-hydroxynon-2-enoic acid with ascarylopyranose (the alpha anomer). It is a major component of the dauer pheromone, used by the nematode Caenorhabditis elegans as a population-density signal to promote entry into an alternate larval stage, the nonfeeding and highly persistent dauer diapause, and also synergises with ascr#2, ascr#4, and ascr#8 in male attraction. | ascr#3 |
| decaprenoic acid | A polyunsaturated fatty acid that is octa-2,6-dienoic acid bearing two methyl substituents at positions 3 and 7 (the 2E-isomer). | geranic acid |
| dehydroalanine | A 2,3-dehydroamino acid that is alanine which has been dehydrogenated to introduce a double bond between positions 2 and 3. | 2-aminoacrylic acid; 2-ammonioprop-2-enoate |
| enbucrilate | | enbucrilate |
| fusidic acid | A steroid antibiotic that is isolated from the fermentation broth of Fusidium coccineum. | fusidic acid |
| gabaculine | An alpha,beta-unsaturated monocarboxylic acid that is cyclohexa-1,3-diene-1-carboxylic acid carrying an amino group at position 5. | 5-aminocyclohexa-1,3-diene-1-carboxylic acid |
| gamendazole | A member of the class of indazoles that is 3-(indazol-3-yl}prop-2-enoic acid carrying additional 2,4-dichlorobenzyl and trifluoromethyl substituents at positions 1 and 6 respectively. An orally active antispermatogenic compound with antifertility effects that is a potential male contraceptive drug. | gamendazole |
| geranylgeranic acid | A diterpenoid obtained by formal oxidation of the CH2OH group of (E,E,E)-geranylgeraniol to the corresponding carboxylic acid. | (2E,6E,10E)-geranylgeranic acid |
| guvacine | A alpha,beta-unsaturated monocarboxylic acid that is nicotinic acid which has been hydrogenated at the 1-2 and 5-6 positions of the pyridine ring. | guvacine |
| kalimantacin a | A fatty acid derivative isolated from the fermentation broth of Alcaligenes sp. YL-02632S. It is an antibiotic with antibacterial activity. | kalimantacin B |
| loganic acid | A cyclopentapyran that is 1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid substituted at positions 1, 6 and 7 by beta-D-glucosyloxy, hydroxy and methyl groups respectively | loganic acid |
| maleamic acid | A dicarboxylic acid monoamide of maleamic acid. | maleamic acid |
| meropenem | A carbapenemcarboxylic acid in which the azetidine and pyrroline rings carry 1-hydroxymethyl and in which the azetidine and pyrroline rings carry 1-hydroxymethyl and 5-(dimethylcarbamoyl)pyrrolidin-3-ylthio substituents respectively. | meropenem |
| methacrylic acid | An alpha,beta-unsaturated monocarboxylic acid that is acrylic acid in which the hydrogen at position 2 is substituted by a methyl group. | methacrylic acid |
| pentalenolactone f | A tetracyclic sesquiterpene lactone obtained by formal epoxidation of the 4-methylene group of pentalenolactone E. | pentalenolactone F |
| perillic acid | | perillic acid |
| phaseic acid | | phaseic acid |
| phenylpropiolic acid | An acetylenic compound that is propynoic acid in which the acetylenic hydrogen is replaced by a phenyl group. | phenylpropiolic acid |
| piperic acid | A monocarboxylic acid that is (E)-penta-2,4-dienoic acid substituted by a 1,3-benzodioxol-5-yl group at position 5. It has been isolated from black pepper (Piper nigrum). | (E,E)-piperic acid |
| propiolic acid | A terminal acetylenic compound that is a 3-carbon, straight-chain, monounsaturated fatty acid having one acetylenic bond. | propynoic acid |
| retinoic acid | A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraenoic acid substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | retinoic acid |
| senecioic acid | A methyl-branched fatty acid that is but-2-enoic acid bearing a methyl substituent at position 3. | 3-methylbut-2-enoic acid |
| shikimic acid | A cyclohexenecarboxylic acid that is cyclohex-1-ene-1-carboxylic acid substituted by hydroxy groups at positions 3, 4 and 5 (the 3R,4S,5R stereoisomer). It is an intermediate metabolite in plants and microorganisms. | shikimic acid |
| sorbic acid | A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity. | (2E,4E)-hexa-2,4-dienoic acid |
| sq 27860 | A carbapenemcarboxylic acid that is the 3-carboxy derivative of 2,3-didehydro-1-carbapenam. | 1-carbapenem-3-carboxylic acid |
| sr 11302 | A retinoid that is all-trans-retinoic acid in which the methyl group at position 9 is replaced by a 4-methylphenyl group. It is an inhibitor of activator protein-1 which exhibits antitumour effects in vivo. | SR11302 |
| trans-3-methyl-2-hexenoic acid | A monounsaturated fatty acid that is (2E)-hexenoic acid in which the hydrogen at position 3 has been replaced by a methyl group. A malodourous component in the sweat of schizophrenics. | (2E)-3-methylhex-2-enoic acid |