Electrochemical Oxidation of Triphenylphosphine in the Presence of Allylsilanes : Voltammetric Studies and Regioselective Preparation of Allyltriphenylphosphonium Salts
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概要
- 論文の詳細を見る
Electrochemical oxidation of triphenylphosphine (1) in dichloromethane containing allylsilanes (2) in an undivided cell afforded allyltriphenylphosphonium salts (3). The addition of 1 to 2 took place exclusively at the γ-position of 2 and the reaction was extended to provide a convenient method for the synthesis of cyclic phosphonium salts (3) bearing β-exo-methylene. The yields of 3 depended on the cathode material : use of a lead cathode, which has a high hydrogen overpotential, gave favorable results. Based on the results of the voltammetric study, the process of formation of 3 is suggested to involve electrophilic attack of the triphenylphosphine radical cation on 2 as the key step.
- 社団法人日本薬学会の論文
- 1990-10-25
著者
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大森 秀信
Faculty of Pharmaceutical Sciences, Osaka University
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桝井 雅一郎
Faculty of Pharmaceutical Sciences, Osaka University
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桝井 雅一郎
Faculty Of Pharmaceutical Sciences Osaka University
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大森 秀信
Faculty Of Pharmaceutical Sciences Osaka University
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須田 晃治
Department of Physical Chemistry, Meiji College of Pharmacy
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高波 利克
Department of Physical Chemistry, Meiji College of Pharmacy
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阿部 明恵
Department of Physical Chemistry, Meiji College of Pharmacy
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桝井 雅一郎
Pharmaceutical Institute Medical Faculty University Of Tokyo
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高波 利克
明治薬科大学薬学部
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阿部 明恵
Department Of Physical Chemistry Meiji College Of Pharmacy
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須田 晃治
明治薬科大学薬学部
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