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The reaction of 2,3,4,6-tetra-O-benzyl-D-glucopyranosyl acetate with alcohols in the presence of 5 mol% ytterbium(III) tris[bis(perfluorobutylsulfonyl)amide] as an activator afforded the corresponding glucopyranosides in good yields. This ytterbium complex also activated the benzylated glucosyl donors having trichloroacetoimidate, fluoride, and methoxyacetate as the leaving groups.
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Yamanoi et al. (2001) studied this question.
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