Letters in Drug Design & Discovery

G. Perry
University of Texas
San Antonio, TX
USA
Email: lddd@benthamscience.org

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Synthesis and Characterization of 1-carboxyphenothiazine Derivatives Bearing Nitrogen Mustard as Promising Class of Antitubercular Agents

Author(s): V.B. Kataria, M.J. Solanki, A.R. Trivedi, V.H. Shah.

Abstract:

A series of 1-carboxyphenothiazines bearing nitrogen mustard was synthesized, characterized, and evaluated for their in vitro antitubercular activity against Mycobacterium tuberculosis H37Rv. The results showed that compounds 5h, 5i and 5j found most active with percentage inhibition of 96, 91, and 92, respectively, at minimum inhibitory concentration (MIC) of <6.25 μg/mL, among the synthesized compounds. Whereas compounds 5a, 5b, 5c, 5d, 5e, 5f and 5g exhibited considerable antitubercular activity with percentage inhibition of 71, 75, 79, 54, 55, 68, and 66, respectively, at MIC of >6.25 μg/mL. The structures of synthesized compounds were elucidated by various spectroscopic tools like IR, 1H NMR, 13C NMR, mass and elemental analysis.

Keywords: Antitubercular activity, 1-carboxyphenothiazines, Minimum inhibitory concentration, Mycobacterium tuberculosis, Nitrogen mustard, Spectroscopic tools.

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Article Details

VOLUME: 10
ISSUE: 10
Year: 2013
Page: [951 - 956]
Pages: 6
DOI: 10.2174/15701808113109990022
Price: $58