| 单词 | phoronic acid |
| 释义 | > as lemmasphoronic acid phoronic acid, a crystalline acid obtained by oxidizing camphoric acid; 2,6-dimethylheptan-4-one-2,6-dicarboxylic acid, HOOCC(CH3)2CH2COCH2C(CH3)2COOH. ΚΠ 1878 Jrnl. Chem. Soc. 34 898 Phoronic Acid.—This acid is contained in crude camphic acid in the proportion of 3–5 per cent. 1881 H. Watts Dict. Chem. (new ed.) VIII. 1574 Phoronic acid, C9H16O2, a crystallisable acid, obtained under certain circumstances by oxidation of camphic acid with potassium permanganate. 1928 Jrnl. Amer. Chem. Soc. 50 2232 Dimethyl malonic acid is one of the oxidation products of phoronic acid. 1966 U.S. Patent 3,278,431 Salts of phoronic acid..serve as grease thickeners which have resistance to softening on mech[anical] working. < as lemmas |
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