Preparation and calculated conformations of the 2'-, 3'-, 4'-, and 6'-deoxy, 3'-O-methyl, 4'-epi, and 4'- and 6'-deoxy-fluoro derivatives of methyl 4-O-alpha-D-galactopyranosyl-beta-D-galactopyranoside (methyl beta-D-galabioside).

Article abstract of DOI:10.1016/0008-6215(89)80033-3

The glycosyl chlorides of the 3-O-methyl (6) and 4-deoxy-4-fluoro (8) O-benzylated derivatives of D-galactopyranose and 2,3,4,6-tetra-O-benzyl-D-glucopyranose were condensed with methyl 2,3,6-tri-O-benzoyl-beta-D-galactopyranoside to give, after deprotect