Synthesis and two-dimensional nuclear magnetic resonance analysis of a tetra- and a hexa-saccharide fragment of the O-specific polysaccharide of Shigella dysenteriae type 1

Article abstract of DOI:10.1016/0008-6215(94)80035-9

The synthesis of the tetra- and hexa-succharide methyl glycosides α-D-Galp-(1-->3)-α-D-GlcpNAc-(1-->3)-α-L-Rhap-(1-->3)-α-L-Rhap-OMe (1), and α-L-Rhap-(1-->3)-α-L-Rhap-(1-->2)-α-D-Galp-(1-->3)-α-D-GlcpNAc-(1-->3)-α-L-Rhap-(1-->3)-α-L-Rhap-OMe (3) is descr