Montmorillonite Clay Catalysis XI¹: Protection and Deprotection of Hydroxyl Group by Formation and Cleavage of Trimethylsilyl Ethers Catalysed by Montmorillonite K-10

Zhan-Hui Zhang Department of Chemistry, West Campus, Hebei Teachers University, Also of, Shijiazhuang, 050091, P. R. China

Tong-Shuang Li Department of Chemistry, Hebei University, Baoding, 071002, P. R. China

Feng Yang Department of Chemistry, Hebei University, Baoding, 071002, P. R. China

Cheng-Guang Fu Department of Chemistry, Hebei University, Baoding, 071002, P. R. China

Abstract

An easy preparation of trimethylsilyl ethers of alcohols and phenols with 1,1,1,3,3,3-hexamethyldisilazane(HMDS) catalysed by montmorillonite K-10 at room temperature has been carried out in excellent yields. Desilyation of trimethylsilyl ethers is catalysed by K-10 in methanol at ambient temperature in high yields.

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Montmorillonite Clay Catalysis XI¹: Protection and Deprotection of Hydroxyl Group by Formation and Cleavage of Trimethylsilyl Ethers Catalysed by Montmorillonite K-10

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Montmorillonite Clay Catalysis XI1: Protection and Deprotection of Hydroxyl Group by Formation and Cleavage of Trimethylsilyl Ethers Catalysed by Montmorillonite K-10

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Montmorillonite Clay Catalysis XI¹: Protection and Deprotection of Hydroxyl Group by Formation and Cleavage of Trimethylsilyl Ethers Catalysed by Montmorillonite K-10