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European journal of medicinal chemistry

Synthesis and antimycobacterial evaluation of 3a,4-dihydro-3H-indeno [1,2-c] pyrazole-2-carboxamide analogues.


PMID 21978838

Abstract

In the present investigation, a series of 3a,4-dihydro-3H-indeno [1,2-c] pyrazole-2-carboxamide analogues were synthesized and were evaluated for antitubercular activity by two fold serial dilution technique. All the newly synthesized compounds showed low to good inhibitory activities against Mycobacterium tuberculosis H(37)Rv and multi-drug resistant M. tuberculosis (MDR-TB). 3-(4-fluorophenyl)-N-(4-chlorophenyl)-6,7-dimethoxy-3a,4-dihydro-3H-indeno [1,2-c] pyrazole-2-carboxamide (4c) was found to be the most promising compound active against M. tuberculosis, H(37)Rv and MDR-TB with minimum inhibitory concentrations 0.83 μM and 3.32 μM respectively.