Synthesis, in vitro and in silico screening of 2-amino-4-aryl-6-(phenylthio) pyridine-3,5-dicarbonitriles as novel ? -glucosidase inhibitors
AuthorAli, M; Khan, KM; Mahdavi, M; Jabbar, A; Shamim, S; Salar, U; Taha, M; Perveen, S; Larijani, B; Faramarzi, MA
Source TitleBioorganic Chemistry
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
University of Melbourne Author/sJabbar, Abdul
Document TypeJournal Article
CitationsAli, M., Khan, K. M., Mahdavi, M., Jabbar, A., Shamim, S., Salar, U., Taha, M., Perveen, S., Larijani, B. & Faramarzi, M. A. (2020). Synthesis, in vitro and in silico screening of 2-amino-4-aryl-6-(phenylthio) pyridine-3,5-dicarbonitriles as novel ? -glucosidase inhibitors. BIOORGANIC CHEMISTRY, 100, https://doi.org/10.1016/j.bioorg.2020.103879.
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Inhibition of α-glucosidase enzyme is of prime importance for the treatment of diabetes mellitus (DM). Apart of many organic scaffolds, pyridine based compounds have previously been reported for wide range of bioactivities. The current study reports a series of pyridine based synthetic analogues for their α-glucosidase inhibitory potential assessed by in vitro, kinetics and in silico studies. For this purpose, 2-amino-4-aryl-6-(phenylthio)pyridine-3,5-dicarbonitriles 1-28 were synthesized and subjected to in vitro screening. Several analogs, including 1-3, 7, 9, 11-14, and 16 showed many folds increased inhibitory potential in comparison to the standard acarbose (IC50 = 750 ± 10 µM). Interestingly, compound 7 (IC50 = 55.6 ± 0.3 µM) exhibited thirteen-folds greater inhibition strength than the standard acarbose. Kinetic studies on most potent molecule 7 revealed a competitive type inhibitory mechanism. In silico studies have been performed to examine the binding mode of ligand (compound 7) with the active site residues of α-glucosidase enzyme.
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