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E-Journal of Chemistry
Volume 5, Issue 4, Pages 963-968

Synthesis and Antimicrobial Activities of 1,2,4-Triazole and 1,3,4-Thiadiazole Derivatives of 5-Amino-2-Hydroxybenzoic Acid

Sabir Hussain,1 Jyoti Sharma,2 and Mohd Amir1

1Department of Chemistry, R. R. College, Alwar, Rajasthan, India
2Department of Pharmaceutical Chemistry, Jamia Hamdard, New Delhi, India

Received 8 May 2008; Revised 19 June 2008; Accepted 23 June 2008

Copyright © 2008 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.


Various 4-amino-2-[4-(4-substituted phenyl)-5-sulfanyl-4H-1,2,4-triazol-3-yl] phenol (4a-c), 4-amino-2-{4-amino-5-[(4-substituted phenyl)amino]-4H-1,2,4-triazol-3-yl} phenol (5a-c) and 4-amino-2-{5-[(4-substituted phenyl)amino]-1,3,4-thiadiazole-2-yl} phenol (6a-g) were synthesized and evaluated for their antibacterial and antifungal activity. The compounds showed significant antibacterial activity against S. aureus (gram-positive) and E.coli (gram-negative) bacteria and antifungal activity against A. niger fungi using cup plate technique