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E-Journal of Chemistry
Volume 8 (2011), Issue 4, Pages 1848-1858
http://dx.doi.org/10.1155/2011/579892

Spectral Characterization and Antibacterial Activities of Benzyloxybenzaldehydethiosemicarbazone, 3,4-Dihydroxybenzaldehydeisonicotinoylhydrazone and their Transitional Metal Complexes

Lakshmi Narayana Suvarapu,1 A. Varada Reddy,2 G. Satheesh Kumar,3 and Sung Ok Baek1

1School of Environmental Engineering, Yeungnam University, Gyeongsan-Si, 712 749, Republic of Korea
2Analytical Division, Department of Chemistry, S.V. University, Tirupati-517 501, India
3Recombinant Gene Product (RGP), International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi–110067, India

Received 12 March 2011; Accepted 14 April 2011

Copyright © 2011 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

The synthesis and spectral characterization of benzyloxy-benzaldehydethiosemicarbazone (BBTSC) and the study of antibacterial activity of ligands BBTSC, 3,4-dihydroxybenzaldehydeisoni- cotinoylhydrazone (3,4-DHBINH) and their transition metal complexes was studied. The composition of the metal complexes was also evaluated by using Job’s method, molar-ratio method and Asmus’ method. The antibacterial activities of BBTSC, 3,4-DHBINH and their complexes i.e., Cu(II)-BBTSC, Pd(II)-BBTSC, Cr(VI)- 3,4-DHBINH, Ti(IV)- 3,4-DHBINH and Pd(II)-3,4-DHBINH were studied against two gram positive bacteria and two gram negative bacteria. Antibacterial activities were evaluated by agar cup well method with the help of Luria Bertoni plates.