Journal
TETRAHEDRON LETTERS
Volume 51, Issue 11, Pages 1504-1507Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.01.039
Keywords
Glycosylation; Chemoselective; Glycosyl ortho-hexynylbenzoate; Ester glycoside; Orthoester; PPh3AuOTf
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Funding
- National Natural Science Foundation of China [90713003, 20621062]
- Ministry of Science and Technology of China [2009ZX09311-001]
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The gold(I)-catalyzed glycosylation of acid alcohols with glycosyl ortho-hexynylbenzoates in the presence of BF3 center dot Et2O and DBU provided the corresponding ester glycosides chemoselectively in high yield; while with DTBP as an additive instead, orthoester formation with the alcohol was effected selectively. (C) 2010 Elsevier Ltd. All rights reserved.
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