Journal of Chemistry

Journal of Chemistry / 2010 / Article

Open Access

Volume 7 |Article ID 543125 | 5 pages | https://doi.org/10.1155/2010/543125

Synthesis and Biological Evaluation of 2-(3-Methyl-2-oxoquinoxalin-1(2H)-yl)-N'-(substituted phenyl-methyledene/ethylidene)acetohydrazides

Received15 Jan 2010
Accepted10 Mar 2010

Abstract

A series of quinoxaline derivatives was prepared and evaluated for antitubercular, antibacterial and antifungal activities. The title compounds were prepared by condensation of substituted aromatic aldehydes and substituted acetophenones with 2-(3-methyl-2-oxoquinoxalin-1(2H)-yl) acetohydrazide. Structures of all these compounds were confirmed by their spectral studies. Among synthesized compounds (4r, 4t, 4u, 4w and 4x) have shown good anti tubercular activity (25 µg mL-1) when compared to reference drugs pyrazinamide (10 µg mL-1) and streptomycin (7.5 µg mL-1). In this study, few derivatives showed broad spectrum of antimicrobial activity at low concentration. The MICs (Minimum inhibitory concentration) of some compounds are 2-4 µg mL-1.

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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