Synthesis of Pentasaccharide Fragments Related to theO-Specific Polysaccharide ofShigella flexneri Serotype 1a
作者:Gregor Lemanski、Thomas Ziegler
DOI:10.1002/ejoc.200600078
日期:2006.6
The synthesis of the pentasaccharide 5-aminopentylglycosides α-L-Rhap-(1→3)-[α-D-Glcp-(1→4)]-β-D-GlcpNAc-(1→2)-α-L-Rhap-(1→2)-α-L-Rhap-1-O-(CH2)5NH2 (29) andα-L-Rhap-(1→3)-α-L-Rhap-(1→3)-[α-D-Glcp-(1→4)]-β-D-GlcpNAc-(1→2)-α-L-Rhap-1-O-(CH2)5NH2 (28), related to the O-specific polysaccharide of Shigellaflexneriserotype 1a by coupling of the suitably protected trisaccharides α-D-Glcp-(1→4)-β-D-Glc