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Synthesis of Some Spiro Indeno[1,2-B]Pyrido[2,3-D]Pyrimidine-5,3′ - Indolines As New Urease Inhibitors



Ziarani GM1, 2 ; Asadi S1 ; Badiei A3 ; Sharifi A4 ; Amanlou M4
Authors
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Authors Affiliations
  1. 1. Department of Chemistry, Alzahra University, Vanak Square, Tehran, Iran
  2. 2. National Laboratory of Pharmaceutical Research, Alzahra University, Tehran, Iran
  3. 3. School of Chemistry, College of Science, University of Tehran, Tehran, Iran
  4. 4. Drug Design and Development Research Centre, Department of Medicinal Chemistry, TehranUniversity of Medical Sciences, Tehran, Iran

Source: Iranian Journal of Pharmaceutical Research Published:2016

Abstract

New series of spiro indeno[1,2-b]pyrido[2,3-d]pyrimidine-5,3′-indolines as new urease inhibitors were synthesized by the catalytic procedure in high yield and short reaction time. In this method, biacidic carbon was prepared as a novel heterogeneous acid and was subsequently used as an efficient catalyst. The inhibitory activities of synthesized compounds were tested against Jack bean urease using Berthelot colorimetric assay and docking simulation using AutoDock 4.2. The compound 4a with IC50 =1.94 μM has the most inhibitor activity in this study. Other derivatives such as 4b, 4d, 4e and 7a were found to be more potent urease inhibitors than the standard inhibitor hydroxyurea, yielding IC50 values of 4.35, 5.557, 7.44, 2.81 and 14.46 μM, respectively (IC50 of hydroxyurea = 100 μM). © 2016 by School of Pharmacy Shaheed Beheshti University of Medical Sciences and Health Services.
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