オレフィン水素の求電子置換反応

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概要

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• Reactions of olefins with various electrophilic reagents are classified into six types written below and each is discussed briefly. In particular, trifluoro-and trichloroacetylation of vinyl ethers, <I>N</I>-vinylsulfonamides, <I>N</I>-vinylcarboxmides and vinyl sulfides are compared with Friedel-Crafts acylations of aromatic compounds and discussed from mechanistic standpoint of view. The six types are as follows; i) addition reactions forming definite addition products, ii) addition reactions to give mixtures of isomerized and/or polymerized materials, iii) the so-called addition-elimination reactions to give substitution products, iv) reactions giving stable cations (e. g., iminium salts in the case of acylation of enamines), v) substitution reactions involving rate-determining formation of carbenium intermediates followed by rapid deprotonation (e. g., acylation of vinyl ethers) and vi) substitution reactions occurring with one-step process (e. g., acylation of vinyl sulfides).

• 社団法人 有機合成化学協会の論文

著者

• 北條 卓

  神戸大学工学部工業化学教室

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• 固体に吸着した試剤を用いる合成
• オレフィン水素の求電子置換反応

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