Journal
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
Volume 105, Issue -, Pages 194-207Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2015.10.019
Keywords
1,2,3 triazoles; Click reaction; 2H-chromen-2-one; Anti-tubercular; Molecular docking; Surflex-dock; 3D-QSAR
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Funding
- UGC-MRP, New Delhi [41-333/2012(SR)]
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A series of mono and bis-triazole coumarin hybrids 6a-u and 9a-f respectively have been synthesized using 4-(azidomethyl)-2H-chromen-2-ones 5a-i and aryl propargyl ethers 2a-c/8 employing Click chemistry modified protocol for Azide-Alkyne cycloadditions(CuAAC). Anti-tubercular screening showed moderate activity for mono aryloxy compounds 6a-u with MIC 50-100 mu g/mL, whereas the bis compounds 9a-f were more effective with MICs between 0.2 and 12.5 mu g/mL. Molecular modeling and 3D-QSAR measurements using CoMFA and Topomer CoMFA further supported the observed results. The his compound 9b showed excellent activity with MIC value as low as 0.2 mu g/mL. (C) 2015 Elsevier Masson SAS. All rights reserved.
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