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The arylation of bicyclic oxathiane glycosyl donors has been achieved using benzyne generated in situ from 1-aminobenzotriazole (1-ABT) and lead tetraacetate. Following sulfur arylation, glycosylation of acetate ions proceeded with high levels of stereoselectivity to afford α -glycosyl acetates in a 'one-pot' reaction, even in the presence of alternative acceptor alcohols.
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Fascione et al. (2010) studied this question.
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