Synthesis of disaccharide glycosyl donors suitable for introduction of the β-D-Gal p-(1 → 3)-α- and -β-D-Gal pNAc groups

Article abstract of DOI:10.1016/0008-6215(95)00026-P

2-(Trimethylsilyl)ethyl 2-azido-4,6-O-benzylidene-2-deoxy-β-D-galactopyranoside (4) was glycosylated with phenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside to give 2-(trimethylsilyl)ethyl 2-azido-4,6-O-benzylidene-2-deoxy-3-O-(2,3,4,6-tetra-O-ace