Synthesis of a selectively protected trisaccharide building block of the capsular polysaccharide of streptococcus pneumoniae types 6A and 6B

Article abstract of DOI:10.1016/0008-6215(89)85090-6

4-Methoxybenzyl 2,4-di-O-benzyl-3-O-[2,4,6-tri-O-benzyl-3-O-(3,4,6-tri-O-benzyl-α-d-galactopyranosyl)-α-d- glucopyranosyl]-α-l-rhamnopyranoside (22), a building block for the α-d-Galp-(1→3)-α-d-Glcp-(1→3)-α-l-Rhap fragment of the capsular polysaccharides