| 释义 |
cotarnine Chem.|kəʊˈtɑːnaɪn|
[a. F. cotarnine, f. narcotine by transposition of letters.]
A non-volatile organic base, C12H13NO3 + H2O, obtained by the action of oxidizing agents on narcotine. (Watts.)
1857Pereira Mat. Med. (ed. 4) II. ii. 609 There is a product of the decomposition of narcotine, namely cotarnine. 1873Flückiger & Hanbury Pharmacogr. 54 By decomposition with sulphuric acid, narcotine yields Cotarnine, an undoubted base.
Hence coˈtarnic, in cotarnic acid, C11H12O5, a product of the action of dilute nitric acid on cotarnine. cotarˈnamic [amic], in cotarnamic acid, C11H13NO4, a product of the action of aqueous hydrochloric or sulphuric acid on cotarnine at 140° or 150°C.
1863–72Watts Dict. Chem. II. 88 Like aspartic acid, cotarnamic acid combines with strong mineral acids. Ibid., Cotarnine may be regarded as the methylated imide corresponding to cotarnic acid. |