SYNTHESIS AND CHARACTERIZATION OF A TETRAMER, PROPYL 6-O-β-D-GALACTOPYRANOSYL-(1->6)-O-β-D-GALACTOPYRANOSYL-(1->6)-O-β-D-GALACTOPYRANOSYL-(1->6)-β-D-GALACTOPYRANOSIDE

Article abstract of DOI:10.1016/S0008-6215(00)81075-7

6-O-Acetyl-2-O-benzoyl-3,4-di-O-benzyl-α-D-galactopyranosyl chloride (1a) was converted into the 1-sulfonate (1b), which was allowed to react with allyl alcohol in acetonitrile to give allyl 6-O-acetyl-2-O-benzoyl-3,4-di-O-benzyl-β-D-galactopyranoside (2)