Synthesis of structural elements of the capsular polysaccharides of Streptococcus pneumoniae types 6A and 6B

Article abstract of DOI:10.1016/0008-6215(90)84051-U

O-α-D-Glucopyranosyl-(1->3)-α,β-L-rhamnopyranose (15), O-α-D-galactopyranosyl-(1->3)-O-α-glucopyranosyl-(1->3)-α,β-L-rhamnopyranose (17), O-α-D-galactopyranosyl-(1->3)-O-α-D-glucopyranosyl-(1->3)-O-α-L-rhamnopyranosyl-(1->3)-D-ribitol (23), and O-α-D-gala