| 释义 |
ecgonine Chem.|ˈɛkgɒnɪn|
[ad. G. ecgonin (F. Wöhler 1862, in Ann. d. Chemie u. Pharm. CXXI. 372), f. Gr. ἔκγονος, f. ἐκ out of, from + γον-, γεν- to produce + -ine5.]
An alkaloid base, C9H15NO3, obtained by the decomposition of cocaine. Hence ecgonic |ɛkˈgɒnɪk| a., defining an acid obtained from ecgonine; ˈecgonate, a salt of this.
1864Watts tr. Gmelin's Hand-Bk. Chem. XVI. 304 Chloroplatinate of Ecgonine. A mixture of hydrochlorate of ecgonine with chloride of platinum and strong alcohol. 1885Jrnl. Chem. Soc. XLVIII. ii. 913 It would seem that cocaine, ecgonine, and isotropine are derivatives of ethyl tetrahydropyridine. 1891Jrnl. Chem. Soc. LX. i. 749 The acid C7H11NO3, obtained by the oxidation of lævo-ecgonine, is termed ecgonic acid. Ibid., Ethyl ecgonate, C7H10EtNO3, is a colourless, viscid liquid. 1901Ibid. LXXX. i. 291 Ecgonic acid..crystallizes from ethyl acetate or benzene in colourless needles. 1920[see diamorphine]. 1957Encycl. Brit. V. 908/2 On hydrolysis with mineral acids or baryta, cocaine breaks up into ecgonine (tropine carboxylic acid), benzoic acid and methyl alcohol... All the ‘cocaines’ are found to be derivatives of a simple base, ecgonine, which contains both a hydroxyl (.OH) and a carboxyl (.COOH) group. |