4.4 Article

HClO4-SiO2 catalyzed glycosylation using sugar trichloroacetimidates as glycosyl donors

Journal

TETRAHEDRON LETTERS
Volume 47, Issue 3, Pages 307-310

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2005.11.025

Keywords

glycosylations; carbohydrates; synthesis; perchloric acid oil silica

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Silica-supported perchloric acid (HClO4-SiO2) has been used as an efficient promoter,, as a replacement of TMSOTf, in various glycosylation reactions using sugar trichloroacetimidates as glycosyl donors. Operational simplicity, economic considerations, high yield, short reaction time and low toxicity were the key features associated with this protocol. (c) 2005 Elsevier Ltd. All rights reserved.

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