Carbohydrate Research 2012-06-01

An efficient and recyclable catalyst for the cleavage oftert-butyldiphenylsilyl ethers

Shiqiang Yan, Ning Ding, Wei Zhang, Peng Wang, Yingxia Li, Ming Li, Shiqiang Yan, Ning Ding, Wei Zhang, Peng Wang, Yingxia Li, Ming Li, Shiqiang Yan, Ning Ding, Wei Zhang, Peng Wang, Yingxia Li, Ming Li

Index: Carbohydr. Res. 354 , 6-20, (2012)

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Abstract

An efficient, chemoselective, and environment-friendly method for the deprotection of tert-butyldiphenylsilyl ethers mediated by triflic acid supported on silica gel is reported. A wide range of tert-butyldiphenylsilyl ethers derived from carbohydrate and saponin residues can be smoothly cleaved in the presence of various types of other protecting groups in good to excellent yields in acetonitrile. This heterogeneous reaction does not require aqueous workup, and the supported catalyst can be readily recycled.Copyright © 2012 Elsevier Ltd. All rights reserved.

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