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Synthesis of a repeating unit and the dimer of the repeating unit of the major chain of Shigella flexneri O-antigen polysaccharide |
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| Authors: | Iu E Tsvetkov N E Ba?ramova L V Bakinovski? N K Kochetkov N F Iankina |
| Abstract: | Methyl glycoside of the tetrasaccharide GlcNAc(beta 1-2)Rha(alpha 1-2)Rha(alpha 1-3)Rha, which represents a repeating unit of the basic chain of Shigella flexneri O-antigenic polysaccharides, was synthesized using acylated monosaccharide synthons. A dimer of the repeating unit, octasaccharide GlcNAc(beta 1-2)Rha(alpha 1-2) Rha(alpha 1-3)Rha(alpha 1-3)]2-OMe was obtained by TrClO4-catalyzed condensation of two tetrasaccharide blocks. |
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