BF3·OEt2 Enhanced Yb(OTf)3-Promoted Glycosidation of 1-O-Acyl-D-Glucopyranose 1 |
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| Authors: | Takashi Yamanoi Yoshihiro Iwai Toshiyuki Inazu |
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| Institution: | The Noguchi Institute , 1-8-1, Kaga, Itabashi-ku, Tokyo, 173, Japan |
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| Abstract: | Much attention has been paid to the synthesis of glycosides and oligosaccharides for the preparation of natural products and their analogues to investigate biological functions.2 Most known glycosidation methods are based on the activation of a leaving group at the anorneric center of a glycosyl donor.3 In some cases alcohol derivatives such as ROSnBu3 and ROSiMe3 are used to increase the reactivity of glycosyl acceptors.3 |
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