Abstract
Cobalt, nickel, copper and zinc metal complexes with a novel Schiff base (HL) have been synthesized and characterized by different physicochemical analyses (1H-NMR, IR, UV–Vis, fluorescence, mass spectrometry, cyclic voltammetry, TGA, and ESR). The Schiff base 3-methyl-1-phenyl-5-(naphthylidene) amino)-pyrazole was synthesized by condensing 5-amino-3-methyl-1-phenylpyrazole with 2-hydroxynaphthaldehyde. These compounds were evaluated for their fluorescence emission and the complexes show higher fluorescence intensity than their parent Schiff base. The structure determined for the copper complexes was square planar whereas the other complexes were octahedral. Using TGA, the presence of coordinated water was determined. The compounds were checked for their antibacterial and antifungal activity and the metal complexes appeared to be more active towards microorganisms than the parent Schiff base.
Published Version
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