SYNTHESIS, SPECTROSCOPIC STUDIES AND BIOLOGICAL
PERSPECTIVES OF TRANSITION METAL COMPLEXES OF N/S
DONOR SCHIFF BASE
Kiran Singh, Ritu Thakur.
Abstract
Bidentate Schiff base, 4-[(p-dimethylaminobenzylidene)amino]-3-mercapto-6-methyl-1,2,4-triazin-5-one, and its Co(II), Ni(II), Cu(II) and
Zn(II) complexes have been prepared and characterized with the aid of various physicochemical techniques like IR, NMR, ESR, elemental,
electronic and thermal analysis. The conductance data suggested the non-electrolytic behaviour of the metal complexes. Fluorescence
emission study demonstrated that the metal complexes possess more fluorescent intensity as compared to the Schiff base. Stability of the
metal complexes has been checked by using Horowitz-Metzger method. The redox property of Cu(II) complexes has been investigated by
using cyclic voltammetry. All the newly synthesized compounds have been screened for their in vitro antimicrobial activity against six
microbial strains and it has been found that some of the tested compounds show good antimicrobial activity as compared to standard drug.
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