Abstract
The chemoenzymic synthesis is described of β-D-Galp-(1->4)-β-D-Glcp-(1->6)-[β-D-Galp-(1->4)]-β-D-GlcpNAc-(1->O[CH2]3O->4)-β-D-Glcp-(1->OCH2CH=CH2) 32 and β-D-Galp-(1->4)-β-D-GlcpNAc-(1-> O[CH2]3O->4)-β-D-Glcp-(1->6)-[β-D-Galp-(1->4)]-β-D-GlcpNAc-(1->O[CH2]3O->4)-β-D-Glcp-(1->OCH2- CH=CH2) 33, representing hexa- and octasaccharide mimics of fragments of the Streptococcus pneumoniae type 14 polysaccharide. In a chemical approach the intermediate linear oligosaccharide mimics 30 and 31 were synthesized, wherein both terminal and non-terminal N-acetyl-β-D-glucosamine residues were not
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