Journal of Carbohydrate Chemistry p. 723 - 732 (2005)
Update date:2022-08-05
Topics:
Tiwari, Pallavi
Agnihotri, Geetanjali
Misra, Anup Kumar
An efficient one-pot protocol for the direct preparation of thioglycosides starting from unprotected reducing sugars via S-glycosyl isothiouronium salts is reported. In this one-pot methodology, BF3·OEt2 has been used as a general catalyst for both per-O-acetylation of sugars and conversion of sugar per-O-acetates into S-glycosyl isothiouronium salts, which was allowed to react with alkylating agents in the presence of a base to furnish thioglycosides in excellent yield. Copyright Taylor & Francis, Inc.
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