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Syntheses Of Small Cluster Oligosaccharide Mimetics, Andreas H. Franz, Paul H. Gross, Vyacheslav V. Samoshin
Syntheses Of Small Cluster Oligosaccharide Mimetics, Andreas H. Franz, Paul H. Gross, Vyacheslav V. Samoshin
Andreas H. Franz
We designed multiple Small Cluster Oligosaccharide Mimetics (SCOMs) - potential glycosidase inhibitors - to be metabolically stable and small enough to enter cells or bacteria. Therefore, minimal scaffolds (urea, amide, ammonia) or simply non-glycosidic linkages of carbohydrate structures were central to our synthetic strategy, including: (a) coupling of several natural carbohydrate precursors; (b) total syntheses of aminomethyl tetrahydropyrans and their chiral amides with quinic acid; (c) glycopyranosyl cyanide reduction to prepare crowded clusters on a urea scaffold; (d) total syntheses via cycloadditions leading to amide-linked C-glycosides; (e) reduction of nitromethyl C-glycosides; and (f) a synthesis of hydroxylated 1,2- cyclohexanedicarboxylic acids.