Synthesis and biological activities of triazole derivatives as inhibitors of InhA and antituberculosis agents
摘要:
InhA, the enoyl reductase from the mycobacterial type II fatty acid biosynthesis pathway, is a target for the development of novel drugs against tuberculosis. We exploited copper-catalyzed [3+2] cycloaddition between alkynes and different azides to afford 1,4-disubstituted triazole or alpha-ketotriazole derivatives. Several compounds bearing a lipophilic chain mimicking the substrate were able to inhibit InhA. Among them, 1-dodecyl-4-phenethyl-1H-1,2,3-triazole displayed a minimum inhibitory concentration inferior to 2 mu g/mL against Mycobacterium tuberculosis H37Rv. (C) 2011 Elsevier Masson SAS. All rights reserved.
Synthesis and evaluation of α-ketotriazoles and α,β-diketotriazoles as inhibitors of Mycobacterium tuberculosis
作者:Christophe Menendez、Frédéric Rodriguez、Ana Luisa de Jesus Lopes Ribeiro、Francesca Zara、Céline Frongia、Valérie Lobjois、Nathalie Saffon、Maria Rosalia Pasca、Christian Lherbet、Michel Baltas
DOI:10.1016/j.ejmech.2013.06.042
日期:2013.11
Two series of alpha-ketotriazole and alpha,beta-diketotriazole derivatives were synthesized and evaluated for antitubercular and cytotoxic activities. Among them, two alpha,beta-diketotriazole compounds, 6b and 9b, exhibited good activities (minimum inhibitory concentration = 7.6 mu M and 6.9 mu M, respectively) on Mycobacterium tuberculosis and multi-drug resistant M. tuberculosis strains and presented no cytotoxicity (IC50 > 50 mu M) on colorectal cancer HCT116 and normal fibroblast GM637H cell lines. These two compounds represent promising leads for further optimization. (C) 2013 Elsevier Masson SAS. All rights reserved.