英语词汇“ketazine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

ketazine n.

Brit.

/ˈkiːtəziːn/

U.S.

/ˈkidəˌzin/

/ˈkidəzən/

[ < German ketazin (Curtius & Thun 1891, in Jrnl. f. prakt. Chem. XLIV. 162)] any compound of the type RR′C:N·N:CR″R‴, made by reacting one molecule of hydrazine with two molecules of (identical or different) ketones.

ΚΠ

1894 Jrnl. Chem. Soc. 66 348 (heading) Transformation of ketazines into pyrazolines.

1911 Jrnl. Chem. Soc. 100 i. 571 The ketazines from the following ketones have been prepared and examined: benzophenone, fluorenone, and tetramethyldiaminobenzophenone. All the compounds are stable..and when hydrolysed by hot mineral acids yield hydrazine and ketone.

1943 H. Gilman Org. Chem. (ed. 2) I. ix. 812 Hydrazones and ketazines have also been hydrogenated by means of platinum..catalysts.

单词	ketazine
释义	> as lemmas ketazine ketazine n. Brit. /ˈkiːtəziːn/ , U.S. /ˈkidəˌzin/ , /ˈkidəzən/ [ < German ketazin (Curtius & Thun 1891, in Jrnl. f. prakt. Chem. XLIV. 162)] any compound of the type RR′C:N·N:CR″R‴, made by reacting one molecule of hydrazine with two molecules of (identical or different) ketones. ΚΠ 1894 Jrnl. Chem. Soc. 66 348 (heading) Transformation of ketazines into pyrazolines. 1911 Jrnl. Chem. Soc. 100 i. 571 The ketazines from the following ketones have been prepared and examined: benzophenone, fluorenone, and tetramethyldiaminobenzophenone. All the compounds are stable..and when hydrolysed by hot mineral acids yield hydrazine and ketone. 1943 H. Gilman Org. Chem. (ed. 2) I. ix. 812 Hydrazones and ketazines have also been hydrogenated by means of platinum..catalysts. extracted from keto-comb. form < as lemmas
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> as lemmas