Abstract
Synthesis of the pentasaccharide with a 2-aminoethyl linker attached to the reducing end corresponding to the cell wall O-antigen of Escherichia coli O86 strain is reported. The synthetic strategy involves sequential glycosylation of suitably protected monosaccharide intermediates under similar glycosylation reaction conditions. Thioglycosides have been used as glycosyl donor throughout the synthetic strategy. Conformational analysis of the synthesized pentasaccharide has been carried out using 2D ROESY NMR spectral analysis and all atom explicit molecular dynamics (MD) simulation technique. Graphical abstract Facile synthesis of the pentasaccharide with a 2-aminoethyl linker attached to the reducing end corresponding to the cell wall O-antigen of Escherichia coli O86 strain is reported. Conformational analysis of the synthesized pentasaccharide has been carried out using 2D ROESY NMR spectral analysis and all atom explicit molecular dynamics (MD) simulation technique.
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