cotarninen.

/kəʊˈtɑːnʌɪn/

Etymology: < French cotarnine, < narcotine by transposition of letters.

Chemistry.

A non-volatile organic base, C₁₂H₁₃NO₃ + H₂O, obtained by the action of oxidizing agents on narcotine. (Watts.)

ΚΠ

1857 J. Pereira Elem. Materia Med. (ed. 4) II. ii. 609 There is a product of the decomposition of narcotine, namely cotarnine.

1874 F. A. Flückiger & D. Hanbury Pharmacographia 54 By decomposition with sulphuric acid, narcotine yields Cotarnine, an undoubted base.

Derivatives

coˈtarnic n. in cotarnic acid, C₁₁H₁₂O₅, a product of the action of dilute nitric acid on cotarnine.

ΚΠ

1864 H. Watts Dict. Chem. II. 88 Cotarnine may be regarded as the methylated imide corresponding to cotarnic acid.

cotarˈnamic n. [amic adj.] in cotarnamic acid, C₁₁H₁₃NO₄, a product of the action of aqueous hydrochloric or sulphuric acid on cotarnine at 140° or 150°C.

ΚΠ

1864 H. Watts Dict. Chem. II. 88 Like aspartic acid, cotarnamic acid combines with strong mineral acids.

This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2018).

单词	cotarnine
释义	cotarninen. /kəʊˈtɑːnʌɪn/ Etymology: < French cotarnine, < narcotine by transposition of letters. Chemistry. A non-volatile organic base, C₁₂H₁₃NO₃ + H₂O, obtained by the action of oxidizing agents on narcotine. (Watts.) ΚΠ 1857 J. Pereira Elem. Materia Med. (ed. 4) II. ii. 609 There is a product of the decomposition of narcotine, namely cotarnine. 1874 F. A. Flückiger & D. Hanbury Pharmacographia 54 By decomposition with sulphuric acid, narcotine yields Cotarnine, an undoubted base. Derivatives coˈtarnic n. in cotarnic acid, C₁₁H₁₂O₅, a product of the action of dilute nitric acid on cotarnine. ΚΠ 1864 H. Watts Dict. Chem. II. 88 Cotarnine may be regarded as the methylated imide corresponding to cotarnic acid. cotarˈnamic n. [amic adj.] in cotarnamic acid, C₁₁H₁₃NO₄, a product of the action of aqueous hydrochloric or sulphuric acid on cotarnine at 140° or 150°C. ΚΠ 1864 H. Watts Dict. Chem. II. 88 Like aspartic acid, cotarnamic acid combines with strong mineral acids. This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2018). < n.1857
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