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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Hydrazide ： ウィキペディア英語版 Hydrazide Hydrazides in organic chemistry are a class of organic compounds sharing a common functional group characterized by a nitrogen to nitrogen covalent bond with 4 substituents with at least one of them being an acyl group. The general structure for a hydrazide is E(=O)-NR-NR2, where the R's are frequently hydrogens.〔 Hydrazides can be further classified by atom attached to the oxygen: carbohydrazides (R-C(=O)-NH-NH2), sulfonohydrazides (R-S(=O)2-NH-NH2), and phosphonic dihydrazides (R-P(=O)(-NH-NH2)2.〔 The related hydrazines do not carry an acyl group. Important members of this class are sulfonylhydrazides such as p-toluenesulfonylhydrazide which are useful reagents in organic chemistry such as in the Shapiro reaction. This reagent can be prepared by reaction of tosyl chloride with hydrazine. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hydrazide」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.