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Abstract

Synthesis, characterization and biocidal activities of some schiff base metal complexes

Author(s): MA Neelakantan1, M Esakkiammal1, SS Mariappan1, J Dharmaraja1, T Jeyakumar2
1 Chemistry Research Centre, National Engineering College, K. R. Nagar, Kovilpatti-628 503, India 2 Chemistry Section, Faculty of Engineering and Technology, Annamalai University, Annamalai Nagar-608 002, India

Correspondence Address:
M A Neelakantan Chemistry Research Centre, National Engineering College, K. R. Nagar, Kovilpatti-628 503 India E-mail: [email protected]


Some new mixed ligand complexes (1-5) of type ML'B (M(II)=Mn(II), Co(II), Ni(II), Cu(II) and Zn(II); HL'= o-vanillidene-2-aminobenzothiazole; B= 1,10-phenanthroline) and Schiff base metal complexes of types (ML 2 ") (6-10) and (M 2 L") (11-15) (HL"= o-vanillidene-2-amino-N-(2-pyridyl)-benzene sulfonamide) were synthesized and characterized by elemental analysis and spectral (IR, 1 H NMR and 13 C NMR) studies. The free ligands and their metal complexes have been screened for their in vitro biological activities against bacteria, fungi and yeast. The metal complexes show more potent activities compared with Schiff base ligands.



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