Journal
TETRAHEDRON LETTERS
Volume 49, Issue 22, Pages 3604-3608Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.04.017
Keywords
glycosylation; gold; catalyst; glycosides; ortho-alkynylbenzoates; Ph3PAuOTf
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A new and powerful glycosylation protocol with glycosyl ortho-alkynylbenzoates as donors and Ph3PAuOTf as a promoter is disclosed. The donors are readily available and stable; the glycosidic coupling yields are generally excellent; the promotion system is catalytic, neutral, and orthogonal to the known glycosylation conditions. (C) 2008 Elsevier Ltd. All rights reserved.
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