Kinetic study on the reaction of (arylthio)trimethylsilanes with phenacyl bromide giving aryl phenacyl sulfides and bromotrimethylsilane.
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概要
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A kinetic study has been conducted on the reactions of (arylthio)trimethylsilanes with phenacyl bromide giving aryl phenacyl sulfides and bromotrimethylsilane. Remarkably large positive substituent effect (ρ=+2.2) and large negative entropy of activation were observed for the reaction. A mechanism involving 5-coordinated silicon intermediate prior to the rate-determining heterolysis of the Si–S bond has been suggested for the reaction based on the kinetic results.
- 公益社団法人 日本化学会の論文
著者
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Kozuka Seizi
Department of Applied Chemistry, Faculty of Engineering, Osaka City University
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Kitamura Takuro
Department of Applied Chemistry, Faculty of Engineering, Osaka City University
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Higashino Tetsuji
Department of Applied Chemistry, Faculty of Engineering, Osaka City University
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