期刊
CARBOHYDRATE RESEARCH
卷 345, 期 14, 页码 2074-2078出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carres.2010.07.030
关键词
Glycosylation; Trichloroacetimidates; Stereoselectivity; Perchloric acid on silica
资金
- NIH, NCI
Obtaining high stereoselectivity in glycosylation reactions is often challenging in the absence of neighboring group participation. In this study, we demonstrate that activation of glycosyl trichloroacetimidate donors with immobilized perchloric acid on silica (HClO4-SiO2) provides higher alpha-selectivity than trimethylsilyl triflate (TMSOTf) for reactions that do not involve neighboring group participation. Published by Elsevier Ltd.
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