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Spectroscopic Characterization and In Vitro Antibacterial Activity of Some Novel Metal Complexes With Schiff Base Ligands Derived From Thiosemicarbazide

2014; Marcel Dekker; Volume: 45; Issue: 2 Linguagem: Inglês

10.1080/15533174.2013.831880

1553-3182

D Sakthilatha, Arukula Deepa, R. Rajavel,

Crystal structures of chemical compounds

Six novel mononuclear Schiff base metal complexes of the type [ML1L2]X and [ML1L2X], where M = Cu(II), Ni(II), Co(II), Mn(II), Zn(II), and VO(IV) have been synthesized by condensation of 1-(1-(pyridine-2-yl)ethylidene)thiosemicarbazide (L1) and 1-(1-(2,4-dihydroxyphenyl)ethylidene)thiosemicarbazide (L2) in the presence of divalent metal salts. The synthesized ligands and complexes were structurally characterized on the basis of elemental analysis, IR, UV-visible, 1H NMR spectroscopy, molar conductance, magnetic susceptibility measurements, and electrochemical studies. The in vitro antibacterial study reveals that the metal complexes inhibit the growth of bacteria more than the free ligands.