Journal
JOURNAL OF HETEROCYCLIC CHEMISTRY
Volume 55, Issue 1, Pages 77-82Publisher
WILEY
DOI: 10.1002/jhet.3004
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A new class of propylene-1H-1,2,3-triazole-4-methylene-tethered (thio)semicarbazone-isatin-moxifloxacin hybrids 6a-h was designed, synthesized, and screened for their in vitro anti-mycobacterial activities against Mycobacterium tuberculosis (MTB) H(37)Rv and MDR-TB as well as cytotoxicity in VERO cell line. All the synthesized hybrids (MIC: 0.05-2.0g/mL) exhibited excellent activities against M.tuberculosis H(37)Rv and MDR-TB; in particular, conjugate 6c (MIC: 0.05 and 0.12g/mL) was no inferior to the three references MXFX (MIC: 0.10 and 0.12g/mL), RIF (MIC: 0.39 and 32g/mL), and INH (MIC: 0.05 and >128g/mL) against the tested two strains. All hybrids (CC50: 2-8g/mL) were much more cytotoxic than the parent MXFX (CC50: 128g/mL) should be further optimized.
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