Chemoselective and Catalytic Trimethylsilylation of Alcohols and Phenols by 1,1,1,3,3,3-Hexamethyldisilazane and Catalytic Amounts of PhMe3N+Br3–

doi:10.1016/S1872-2067(10)60107-6

催化学报 ›› 2010, Vol. 31 ›› Issue (9): 1103-1106.DOI: 10.1016/S1872-2067(10)60107-6

Chemoselective and Catalytic Trimethylsilylation of Alcohols and Phenols by 1,1,1,3,3,3-Hexamethyldisilazane and Catalytic Amounts of PhMe₃N⁺Br₃^–

Arash GHORBANI-CHOGHAMARANI*, Nasrin CHERAGHI-FATHABAD

Department of Chemistry, Faculty of Science, Ilam University, Ilam 69315516, Iran

收稿日期:2010-09-30 出版日期:2010-09-30 发布日期:2014-01-25

Chemoselective and Catalytic Trimethylsilylation of Alcohols and Phenols by 1,1,1,3,3,3-Hexamethyldisilazane and Catalytic Amounts of PhMe₃N⁺Br₃^–

Arash GHORBANI-CHOGHAMARANI*, Nasrin CHERAGHI-FATHABAD

Department of Chemistry, Faculty of Science, Ilam University, Ilam 69315516, Iran

Received:2010-09-30 Online:2010-09-30 Published:2014-01-25

摘要/Abstract

摘要： An efficient procedure for the trimethylsilylation of alcohols and phenols is presented. The combination of 1,1,1,3,3,3-hexamethyldisilazane and a catalytic amount of phenyltrimethylammonium tribromide (PhMe3N+Br3?) was found to be effective for the trimethylsilylation of alcohols and phenols. The protection reaction is very simple and homogenously performed in dichloromethane at room temperature and mild conditions.

关键词: phenyltrimethylammonium tribromide, alcohol, phenol, protection, trimethylsilylation, hexamethyldisilazane

Abstract: An efficient procedure for the trimethylsilylation of alcohols and phenols is presented. The combination of 1,1,1,3,3,3-hexamethyldisilazane and a catalytic amount of phenyltrimethylammonium tribromide (PhMe₃N⁺Br₃^–) was found to be effective for the trimethylsilylation of alcohols and phenols. The protection reaction is very simple and homogenously performed in dichloromethane at room temperature and mild conditions.

Key words: phenyltrimethylammonium tribromide, alcohol, phenol, protection, trimethylsilylation, hexamethyldisilazane

Arash GHORBANI-CHOGHAMARANI*, Nasrin CHERAGHI-FATHABAD. Chemoselective and Catalytic Trimethylsilylation of Alcohols and Phenols by 1,1,1,3,3,3-Hexamethyldisilazane and Catalytic Amounts of PhMe₃N⁺Br₃^–[J]. 催化学报, 2010, 31(9): 1103-1106.

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Chemoselective and Catalytic Trimethylsilylation of Alcohols and Phenols by 1,1,1,3,3,3-Hexamethyldisilazane and Catalytic Amounts of PhMe₃N⁺Br₃^–

Chemoselective and Catalytic Trimethylsilylation of Alcohols and Phenols by 1,1,1,3,3,3-Hexamethyldisilazane and Catalytic Amounts of PhMe₃N⁺Br₃^–

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