Abstract

A new series of phthalimide-benzamide-1,2,3-triazole hybrids 8a–k as α-glucosidase inhibitors was designed and synthesized. The biological evaluation of compounds 8a–k against yeast α-glucosidase demonstrated that all they have excellent inhibitory activity in comparison with standard inhibitor acarbose. Among them, the most potent compound was compound 8d with inhibitory activity 18.5-fold more than acarbose. Kinetic study revealed that α-glucosidase inhibition of compound 8d was the competitive type. Furthermore, docking study suggested that compound 8d is more stable than acarbose in the active site of α-glucosidase.

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