期刊
TETRAHEDRON LETTERS
卷 47, 期 3, 页码 267-271出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2005.11.027
关键词
glycosylation; Lewis acids; solvent effects; synthetic methods
Catalytic and stereoselective glycosylation efficiently proceeded by activating a glycosyl N-trichloroacetylcarbamate with a catalytic amount of Lewis acids in the presence of a glycosyl acceptor and molecular sieves 5 angstrom. Catalytic and one-pot dehydrative glycosylation of a 1-hydroxy carbohydrate was also performed stereoselectively by the reaction with trichloroacetyl isocyanate followed by activation with a catalytic amount of activators. (c) 2005 Elsevier Ltd. All rights reserved.
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