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  • Title: 5-Nitro-2,6-dioxohexahydro-4-pyrimidinecarboxamides: synthesis, in vitro antimycobacterial activity, cytotoxicity, and isocitrate lyase inhibition studies.
    Author: Sriram D, Yogeeswari P, Senthilkumar P, Naidu G, Bhat P.
    Journal: J Enzyme Inhib Med Chem; 2010 Dec; 25(6):765-72. PubMed ID: 20569083.
    Abstract:
    Fourteen 5-nitro-2,6-dioxohexahydro-4-pyrimidinecarboxamides (3a-n) were synthesized and evaluated for their in vitro activity against Mycobacterium tuberculosis H37Rv (MTB), multidrug-resistant Mycobacterium tuberculosis (MDR-TB), and Mycobacterium smegmatis (MC(2)), as well as their cytotoxicity and MTB isocitrate lyase (ICL) inhibition activity. 1-Cyclopropyl-6-fluoro-8-methoxy-7-(3-methyl)-4-[(5-nitro-2,6-dioxohexahydro-4-pyrimidinyl)carbonyl]piperazino-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid (3n) was found to be the most active compound in vitro with MICs of < 0.17 and 0.17 μM against log-phase MTB and MDR-TB, respectively. Some compounds showed 20-45% inhibition against MTB ICL at 10 μM.
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