Amine-linked diquercitols as new α-glucosidase inhibitors

Bioorganic & Medicinal Chemistry Letters
2014.0

Abstract

Two new diastereomeric amine-linked diquercitols 7 and 8 were synthesized by reductive amination of ketoquercitol 4 and epimeric aminoquercitols 3 and 6. The ketone and amines were successfully prepared, without the formation of byproducts, from naturally available (+)-proto-quercitol (1). The amine-linked diquercitols showed inhibitory effect against α-glucosidases with more pronounced potency than their original aminoquercitol monomers.

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