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Synthesis and Biological Evaluation of New Dihydroindolizino[8,7-B]Indole Derivatives As Novel Α-Glucosidase Inhibitors Publisher



Peytam F1 ; Adib M1 ; Shourgeshty R1 ; Mohammadikhanaposhtani M2 ; Jahani M1 ; Imanparast S3 ; Faramarzi MA3 ; Moghadamnia AA2, 4 ; Larijani B5 ; Mahdavi M5
Authors
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Authors Affiliations
  1. 1. School of Chemistry, College of Science, University of Tehran, PO Box, 14155-6455, Tehran, Iran
  2. 2. Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
  3. 3. Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Pharmacology, Faculty of Medical Sciences, Babol University of Medical Sciences, Babol, Iran
  5. 5. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Molecular Structure Published:2021


Abstract

Eighteen dihydroindolizino[8,7-b]indole derivatives 4a–r were designed, synthesized and evaluated as new α-glucosidase inhibitors. These derivatives were synthesized by an efficient one-pot two-step reaction under mild condition. All the synthesized compounds were found to be more active than the standard drug acarbose (IC50 = 750.0 ± 1.5 µM) with IC50 values in the range of 107.2 ± 1.0–275.4 ± 1.5 µM. Among the synthesized compounds, diethyl derivative 4o and dimethyl derivative 4 h exhibited the highest anti-α-glucosidase activities (IC50 = 107.2 ± 1.0 and 118.0 ± 0.7 µM, respectively). Kinetic analysis of the compound 4o revealed that this compound is a competitive inhibitor for α-glucosidase with Ki value of 113 µM. Furthermore, the docking study on the compounds 4o and 4 h revealed that these compounds interacted with the important residues in the active site of the homology model of α-glucosidase. © 2020
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