Abstract Glycosylation of the silylated 5-bromo-and 5-benzylmercapto-6-azauracil 1 and 2, respectively, with the acylated sugar 3 afforded 1-(2-acetamido-3, 4, 6-tri-O-acetyl-2-deoxy-ß- D-glucopyranosyl)-5-bromo-6-azauracil 4 and its 5-benzylmercapto analogue 6. ...
