Journal
TETRAHEDRON LETTERS
Volume 49, Issue 41, Pages 5877-5879Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.07.135
Keywords
sulfation; carbohydrates; lignans; flavonoids; cyclitols
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Funding
- Russian Foundation [06-03-33080]
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An efficient protocol for the preparation of per-O-sulfated organic compounds is reported. Sulfation of polyols with the Et3N center dot SO3 complex in DMF in the presence of triflic acid allowed acceleration of the reaction at lower temperature. The efficiency of the developed protocol is demonstrated by the transformation of a series of organic polyols and phenols related to oligosaccharides, cyclitols, lignans and flavonoids. (C) 2008 Elsevier Ltd. All rights reserved.
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