Combined Chemical and Enzymatic Synthesis of a Pentasaccharide Repeating Unit of the Capsular Polysaccharide of Type III Group B Streptococcus and One- and Two-Dimensional NMR Spectroscopic Studies

Article abstract of DOI:10.1021/jo00010a037

A combination of chemical and enzymatic methods is described for the synthesis of the branching pentasaccharide 3-OMe-β-D-Galp-(1 -> 4)-β-D-Glcp-(1 -> 6)-<α-D-Neup5Ac-(2 -> 3)-β-D-Galp-(1 -> 4)>-β-D-GlcpNAc-OMe (4).Pentasaccharide 4, represents a complete