naphthalidinen.

Brit.

/nafˈθalᵻdiːn/,

/napˈθalᵻdiːn/, U.S.

/næpˈθæləˌdin/,

/næfˈθæləˌdin/

Forms: 1800s naphtalidine, 1800s napthalidine, 1800s– naphthalidine.

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: naphthalene n., -idine suffix.

Etymology: < naphthal- (in naphthalene n.) + -idine suffix, after French naphtalidine (1844 or earlier). Compare German Naphtalidin (1844 or earlier).

Chemistry. Now historical.

= naphthylamine n.

ΚΠ

1848 G. Fownes Man. Elem. Chem. (ed. 2) 503 Napthalidam, perhaps better called napthalidine, forms numerous crystallizable salts.

1860 Proc. Royal Soc. 1859–60 10 500 This substance,..subsequently described as naphtalidine, combines..with 2 equivalents of hydrochloric acid.

1865 Philos. Trans. 1864 (Royal Soc.) 154 716 Nitrate of Diazonaphtol, C₁₀H₆N₂, NHO₃, is prepared by the action of nitrous acid on moist nitrate of napthalidine (amido-naphtol).

1908 Proc. Royal Soc. 1907–8 A. 80 p. xlii Hofmann, as far back as 1849 had..suggested the possibility of synthesising quinine from naphthalene, the ground for this suggestion being that the base ‘naphthalidine’ (= naphthylamine) was at that time supposed to differ from quinine only by the elements of two ‘equivalents’ of water.

This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).

单词	naphthalidine
释义	naphthalidinen. Brit. /nafˈθalᵻdiːn/, /napˈθalᵻdiːn/, U.S. /næpˈθæləˌdin/, /næfˈθæləˌdin/ Forms: 1800s naphtalidine, 1800s napthalidine, 1800s– naphthalidine. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: naphthalene n., -idine suffix. Etymology: < naphthal- (in naphthalene n.) + -idine suffix, after French naphtalidine (1844 or earlier). Compare German Naphtalidin (1844 or earlier). Chemistry. Now historical. = naphthylamine n. ΚΠ 1848 G. Fownes Man. Elem. Chem. (ed. 2) 503 Napthalidam, perhaps better called napthalidine, forms numerous crystallizable salts. 1860 Proc. Royal Soc. 1859–60 10 500 This substance,..subsequently described as naphtalidine, combines..with 2 equivalents of hydrochloric acid. 1865 Philos. Trans. 1864 (Royal Soc.) 154 716 Nitrate of Diazonaphtol, C₁₀H₆N₂, NHO₃, is prepared by the action of nitrous acid on moist nitrate of napthalidine (amido-naphtol). 1908 Proc. Royal Soc. 1907–8 A. 80 p. xlii Hofmann, as far back as 1849 had..suggested the possibility of synthesising quinine from naphthalene, the ground for this suggestion being that the base ‘naphthalidine’ (= naphthylamine) was at that time supposed to differ from quinine only by the elements of two ‘equivalents’ of water. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1848
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