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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 Gallagher–Hollander degradation ： ウィキペディア英語版 Gallagher–Hollander degradation In the Gallagher–Hollander degradation (1946) pyruvic acid is removed from a linear aliphatic carboxylic acid yielding a new acid with two carbon atoms fewer.〔Vincent P. Hollander and T. F. Gallagher PArtial synthesis of compounds related to adrenal cortical hormones. VII. degradation of the side chain of cholanic acid ''J. Biol. Chem.'', Mar 1946; 162: 549–54 (Link )〕 The original publication concerns the conversion of bile acid in a series of reactions: acid chloride (2) formation with thionyl chloride, diazoketone formation (3) with diazomethane, chloromethyl ketone formation (4) with hydrochloric acid, organic reduction of chlorine to methylketone (5), ketone halogenation to 6, elimination reaction with pyridine to enone 7 and finally oxidation with chromium trioxide to ''bisnorcholanic acid'' 8. : == 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「Gallagher–Hollander degradation」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.