Synthesis and Photophysical Investigations of Novel Transition Metal Complexes of Pyridine Tetrazole Ligands

Rayees Ahmad Malik*, Nawaz Gulzar Bhat, Renu Yadav, Navjot Singh, Gulshan Kumar and Suraj Mal

Department of Chemistry, Faculty of Technology and Sciences, Lovely Professional University, Phagwara-144 411, India

*Corresponding author: E-mail:


Two bidentate pyridine-tetrazole ligands viz. pyridine tetrazole (Hpytz) and pyridine tetrazole-N-oxide (Hpytzo), which are integrated in vitro from pyridine carbonitrile by thermal cycloaddition reaction with sodium azide for complexation with transition metals (Fe3+, Co2+, Ni2+, Zn2+ and Ru3+) to improve sophisticated photonic appliances in them as perceived in Ln (III) complexes. The configuration investigation of bis and tris-complexes was studied in solution by UV, FTIR and 1H NMR techniques. The hetero-nuclear pyridine tetrazole metal complexes display a close performance concerning the photo-physical properties as displayed by lanthanide(III) complexes and conventional carboxylate analogous.


Transition metal complexes, Pyridine tetrazole ligands, Spectroscopy.

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