"STANDARDIZED INTERMEDIATES" FOR OLIGOSACCHARIDE SYNTHESIS. A CONVENIENT PREPARATION OF PARTIALLY BENZYLATED DERIVATIVES OF ALLYL 2-ACETAMIDO-2-DEOXY-α-D-GALACTOPYRANOSIDE HAVING CHAIN EXTENSION AT POSITION 4

Article abstract of DOI:10.1016/0008-6215(84)85402-6

Allyl 2-acetamido-2-deoxy-α-D-galactopyranoside (5) was prepared from the corresponding gluco compound, allyl 2-acetamido-2-deoxy-α-D-glucopyranoside (1), by successive selective benzoylation at O-3 and O-6, p-bromobenzenesulfonylation, displacement with