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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 Vinyl halide ： ウィキペディア英語版 Vinyl halide In organic chemistry, a vinyl halide is any alkene with at least one halide substituent bonded directly on one of the alkene carbons. Vinyl chloride is one such substance. Vinyl halides are very useful synthetic intermediates due to the vast number of reactions that make use of them. These include conversion to vinyl Grignard reagents, elimination to give the corresponding alkyne, and most importantly their use in cross-coupling reactions (e.g. Suzuki-Miyaura coupling, Stille coupling, Heck coupling, etc.). As a result, there is a large number of reactions to form vinyl halides, which includes the reaction of vinyl organometallic species with halogens, and the Takai and Wittig olefination reactions. Besides, some vinyl halides are useful for synthesizing polymers and copolymers, see e.g. polyvinyl chloride or polyvinyl fluoride. The unsubstituted vinyl halides (R1 = R2 = R3 = H) may polymerize spontaneously under certain conditions. 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「Vinyl halide」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.