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

Abstract

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]. Chinese Journal of Catalysis, 2010, 31(9): 1103-1106.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(10)60107-6

https://www.cjcatal.com/EN/Y2010/V31/I9/1103

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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^–

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