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[摘要]:a-Linked 2-deoxyglycosides were conveniently obtained by employing a glycosyl donor having a participating (S)-(phenylthiomethyl)benzyl moiety at C-6, whereas 2,6-dideoxy-a-glycosides could be prepd. by BF3譋t2O-promoted activation of allyl glycosyl donors. |
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