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单词 nitroanisic
释义

nitroanisicadj.

Brit. /ˌnʌɪtrəʊəˈnɪzɪk/, U.S. /ˈˌnaɪtroʊəˈnɪzɪk/
Forms: 1800s– nitranisic Brit. /ˌnʌɪtrəˈnɪzɪk/, U.S. /ˌnaɪtrəˈnɪzɪk/, 1900s– nitroanisic.
Origin: Formed within English, by compounding. Etymons: nitro- comb. form, anisic adj. at anis- comb. form .
Etymology: < nitro- comb. form + anisic adj. at anis- comb. form .
Chemistry.
nitroanisic acid n. either of two colourless crystalline compounds which are isomeric nitro derivatives of anisic acid; 2- or 3-nitro-4-methoxybenzoic acid, HOOC·C6H3(OCH3)(NO2).
ΚΠ
1848 G. Fownes Man. Elem. Chem. (ed. 2) 529 Nitranisic acid, a yellowish-white, crystalline, sparingly-soluble powder.
1852 W. Gregory Handbk. Org. Chem. (ed. 3) 150 Anisic acid yields, when acted on by a mixture of nitric and sulphuric acids, two substitution products, nitranisic acid..and dinitranisic acid.
1879 H. Watts Dict. Chem. I. 300 Hot concentrated nitric acid converts it [sc. anisic acid] into nitranisic acid.
1931 Proc. Royal Soc. 1930–31 A. 130 438 The reduction of the amino group..is paralleled by the formation of nitroanisic acid in a nitric acid oxidation of harmaline.
1953 I. Heilbron & H. M. Bunbury Dict. Org. Compounds (rev. ed.) III. 630/1 2-Nitroanisic acid (2-Nitro-4-methoxybenzoic acid)... 3-Nitroanisic acid (3-Nitro-4-methoxybenzoic acid).
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.1848
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