| 释义 |
opiane
[f. opi-um + -ane as var. of -ine.]
An obsolete synonym of narcotine. Hence numerous chemical terms in opian-:
opianate |ˈəʊpɪəneɪt|, a salt of opianic acid. opianic |əʊpɪˈænɪk| a., formed from narcotine; as in opianic acid (C10H10O5), crystallizing in thin colourless prisms of bitter taste, produced, together with cotarnine, by the oxidation of narcotine; opianic ether (C10H9.C2H5.O5) crystallizing in inodorous brilliant white needles of bitter taste. ˈopianine, a base resembling narcotine, and not certainly distinct from it. opiˈano-, comb. form of opianic, as in opiano-sulphurous acid, an acid derived from opianic and sulphurous acid, forming a transparent crystalline mass. ˈopianyl, C10H9O4, the radical of opianic acid and its derivatives.
1842Dunglison Med. Lex., Opiane, Narcotine. 1845Penny Cycl. Suppl. I. 348 Opianate of ammonia. Ibid., Opianic acid. 1857Miller Elem. Chem. III. 277 Opianine has hitherto only been found in Egyptian opium, and has been but imperfectly examined. Ibid. 284 The opianyl yields opianic and hemipinic acids. 1866–77Watts Dict. Chem. IV. 206 Opianates. 1873― Fownes' Chem. (ed. 11) 739 Opianic Acid is a monobasic acid. |