Synthesis of methyl O-α-L-rhamnopyranosyl-(12)-α-D-galactopyranosides specifically deoxygenated at position 3, 4, or 6 of the galactose residue

Article abstract of DOI:10.1016/0008-6215(94)84287-6

The title disaccharides were synthesized by condensation of 2,3,4-tri-O-benzoyl-α-L-rhamnopyranosyl bromide with suitably protected, deoxygenated derivatives of methyl α-D-galactopyranoside.Deoxygenation was achieved via activation of a protected methyl α