Isabel Sanchez-Larraza

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Several 6-C-substituted 2-acetamido-2-deoxy-beta-D-glucopyranosides (beta-D-GlcNAc monosaccharides 1a-3a and 1,4-linked disaccharides 1b-3b) were studied by solution NMR spectroscopy. Conformational analysis of the (6S)- and (6R)-C-methyl-substituted beta-d-GlcNAc monosaccharides indicates that the stereodefined methyl groups impose predictable(More)
Introduction of a stereodefined methyl group at the C-6 position of N-acetylglucosamine mono- and disaccharides creates a strong and predictable orientational bias on the geminal C-6 hydroxyl in solution, as determined by (1)H-(1)H and (13)C-(1)H NMR coupling constants. The conformational directing effect is more pronounced in the disaccharides because of(More)
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