Please use this identifier to cite or link to this item: https://idr.nitk.ac.in/jspui/handle/123456789/12227
Title: New quinoline derivatives: Synthesis and investigation of antibacterial and antituberculosis properties
Authors: Eswaran, S.
Adhikari, A.V.
Chowdhury, I.H.
Pal, N.K.
Thomas, K.D.
Issue Date: 2010
Citation: European Journal of Medicinal Chemistry, 2010, Vol.45, 8, pp.3374-3383
Abstract: Four new series of quinoline derivatives were synthesized starting from 2-trifluoromethyl aniline through multi-step reactions. In the reaction sequence,substituted aniline was cyclized to 4-hydroxy quinoline 1,which was then transformed to 4-chloro-2,8-bis(trifluoromethyl)quinoline 2. The key scaffold 4-hydrazinyl-2,8-bis(trifluoromethyl)quinoline 3,obtained from the compound 2,was successfully converted to target quinoline derivatives,viz. hydrazones 4aet,ureas 5aee,thioureas 6aec and pyrazoles 7aed,in good yields. The newly synthesized title compounds were evaluated for their in vitro antibacterial activity against Escherichia coli,Staphylococcus aureus,Pseudomonas aeruginosa and Klebsiella pneumoniae (recultured) and antituberculosis activity against Mycobacterium tuberculosis H37Rv and MDR-TB. Preliminary results indicated that most of the hydrazone derivatives demonstrated very good antibacterial and antituberculosis activities while other derivatives showed moderate activity. 2010 Elsevier Masson SAS. All rights reserved.
URI: http://idr.nitk.ac.in/jspui/handle/123456789/12227
Appears in Collections:1. Journal Articles

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