An efficient approach to N-acetyl-D-glucosaminuronic acid-based sialylmimetics as potential sialidase inhibitors
Abstract
A novel approach to the synthesis of ߭glycosides of N-acetyl-D-glucosaminuronic acid, in six steps and good overall yield from N-acetyl-D-glucosamine, has been developed. The key synthetic step was the Lewis acid mediated O-glycosidation of methyl 1,3,4-tri-O-pivaloyl-N-acetyl-D-glucosaminuronate (11). Elaboration of glucosaminuronides 15 and 18 provided novel sialylmimetics 21 and 22, which showed inhibition of Vibrio cholerae sialidase.A novel approach to the synthesis of ߭glycosides of N-acetyl-D-glucosaminuronic acid, in six steps and good overall yield from N-acetyl-D-glucosamine, has been developed. The key synthetic step was the Lewis acid mediated O-glycosidation of methyl 1,3,4-tri-O-pivaloyl-N-acetyl-D-glucosaminuronate (11). Elaboration of glucosaminuronides 15 and 18 provided novel sialylmimetics 21 and 22, which showed inhibition of Vibrio cholerae sialidase.
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Journal Title
Biorganic & Medicinal Chemistry Letters
Volume
14
Publisher URI
Subject
Medicinal and biomolecular chemistry
Organic chemistry
Pharmacology and pharmaceutical sciences