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In this study, a novel series of 2,4-dioxochroman-1,2,3-triazole hybrids 8a-l was synthesized by click reaction.
These compounds were screened against α-glucosidase through in vitro and in silico evaluations. All the synthesized hybrids
exhibited excellent α-glucosidase inhibition in comparison to standard drug acarbose. Representatively, 3-((((1-(3,4-
dichlorobenzyl)-1H-1,2,3-triazol-4-yl)methyl)amino)methylene)chroman-2,4-dione 8h with IC50 = 20.1 ± 1.5 µM against αglucosidase, was 37-times more potent than acarbose. Enzyme kinetic study revealed that compound 8h was a competitive
inhibitor against α-glucosidase. In silico docking study on chloro derivatives 8h, 8g, and 8i were also performed in the active site of α-glucosidase. Evaluations on obtained interaction modes and binding energies of these compounds confirmed
the results obtained through in vitro α-glucosidase inhibition.
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