Abstract
A series of novel 1,4-dihydropyridine-3,5-dicarbamoyl derivatives bearing an imidazole nucleus at C-4 position were synthesized in excellent yields via multicomponent Hantzsch reaction. The newly synthesized compounds were characterized by IR, (1) H NMR, (13) C NMR, and mass spectroscopy. The synthesized compounds 3a-p were screened for antitubercular activity. Among all the screened compounds, compounds 3j and 3m showed most prominent activity against Mycobacterium tuberculosis with minimum inhibitory concentration of 0.02 μg/mL and SI > 500, making it more potent than first-line antitubercular drug isoniazid. In addition, these compounds displayed relatively low cytotoxicity.
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