Synthesis and characterization of a hydrazone ligand containing antipyrine and its transition metal complexes
- 19 June 2008
- journal article
- research article
- Published by Taylor & Francis Ltd in Journal of Coordination Chemistry
- Vol. 61 (12), 1983-1996
- https://doi.org/10.1080/00958970701795714
Abstract
The coordination chemistry of N′-((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)methylene)-2-hydroxybenzohydrazide with copper(II), nickel(II), cobalt(II), manganese(II), zinc(II), palladium(II), iron(III), ruthenium(III), uranyl(VI), and titanium(IV) has been studied. The ligand and its complexes was characterized by elemental and thermal analyses, magnetic moments and conductivity measurements as well as spectroscopic techniques such as infrared, mass spectra, nuclear magnetic resonance, electron spin resonance and electronic absorption spectra. The spectral data showed that the ligand is monobasic tridentate coordinated via the enolic carbonyl oxygen of the hydrazide moiety, azomethine nitrogen and pyrazolone oxygen atoms.Keywords
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