期刊
CARBOHYDRATE RESEARCH
卷 354, 期 -, 页码 6-20出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carres.2012.02.021
关键词
Triflic acid; tert-Butyldiphenylsilyl ethers; Supported catalysis; Chemoselectivity
资金
- National Nature Science Foundation of China [NSFC 21002014]
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. (C) 2012 Elsevier Ltd. All rights reserved.
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