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E-Journal of Chemistry
Volume 9, Issue 3, Pages 1206-1212
http://dx.doi.org/10.1155/2012/137812

Synthesis and Antimicrobial Activity of 2-[4-(Substituted Benzylidenamino)-5-(Substituted Phenoxymethyl)-4H-1,2,4-Triazol-3-yl thio] Acetic Acid Derivatives

1Department of Pharmacology, Karnataka Institute of Medical Sciences, Hubli-580 021, Karnataka, India
2Department of Pharmaceutical Chemistry, NGSM Institute of Pharmaceutical Sciences, Paneer, Deralakatte, Mangalore-574 160, Karnataka, India
3Department of Pharmaceutical Chemistry, K.L.E S's College of Pharmacy, Hubli-580 031, Karnataka, India

Received 8 November 2011; Accepted 15 January 2012

Copyright © 2012 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.

Abstract

2-[4-(substituted benzylidenamino)-5-(substituted phenoxymethyl)-4H-1,2,4-triazol-3-yl thio] acetic acid (3a-j) derivatives have been synthesized by the reaction between 4-(substituted benzylidenamino)-5-(substituted phenoxymethyl)-2H-1,2,4-triazol-3(4H)-thiones (2a-j) and chloroacetic acid containing catalytic amount of pyridine. All these compounds were screened for antimicrobial activity. The compounds 3h and 3j exhibited good antifungal activity against A. niger, C. Neoformans, and A. fumigatus at MIC of 0.25 μg/ml compared to standard drug fluconazole at MIC of 1 μg/mL.