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单词 pteroic
释义

pteroicadj.

Brit. /tɛˈrəʊɪk/, U.S. /tɛˈroʊɪk/
Origin: Formed within English, by compounding. Etymons: pteridine n., -oic comb. form.
Etymology: < pter- (in pteridine n.) + -oic comb. form. So called because the acid's molecule contains a pteridine residue.
Chemistry.
pteroic acid n. a crystalline acid whose tricyclic molecule is the basis of the structures of the pteroylglutamic acids (in which glutamate residues are linked to the carboxyl group of the acid).Systematic name: p-[(2-amino-4-hydroxy-pteridin-6-ylmethyl)amino]benzoic acid; C14H12N6O3.
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the world > matter > chemistry > organic chemistry > organic acids > [noun] > phenolic acids, named
benzoic acid1791
oil of spiraea1842
toluic acid1857
itatartaric acid1872
aspirin1899
phenylarsonic acid1905
tar acid1909
pteroic acid1946
1946 R. B. Angier et al. in Science 31 May 669/1 For the compounds formed from p-aminobenzoic acid and p-aminobenzoyl-l(+)-glutamic acid, the names pteroic acid and pteroylglutamic acid are suggested.
1954 A. White et al. Princ. Biochem. xii. 263 The linkage coupling the p-aminobenzoic acid..and glutamic acid is a peptide bond. Hydrolysis of this bond gives pteroic acid and glutamic acid.
1988 P. W. Kuchel et al. Schaum's Outl. Theory & Probl. Biochem. xv. 439 The pteroic acid moiety of tetrahydrofolate consists of a reduced pteridine ring and p-aminobenzoic acid.
2004 Adv. Drug Delivery Rev. 56 1087/2 Pteroic acid is not an effective inhibitor of folic acid binding.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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adj.1946
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