Synthesis and Characterization of Palladium(II) Complexes with Thiosemicarbazones

Samim Sultana, Jayantajit Baruah and Geetika Borah*

Department of Chemistry, Dibrugarh University, Dibrugarh-786 004, India

*Corresponding author: Tel: +91 373 2370210; E-mail:


Three new complexes viz., [PdCl2(H-aatp)2] (1), [Pd(dmbptz)2] (2) and [Pd(btz)] (3) have been synthesized by reacting [PdCl2(cod)] with the ligands H-aatp, H-dmbptz and H2-btz, respectively (where H-aatp = anisaldene-4-aminothiophenol; H-dmbptz = 2,5-dimethoxybenzyl-4-phenylthiosemicarbazone and H2-btz = benzil-bisthiosemicarbazone). These have been characterized by various physico-chemical techniques such as FTIR, UV-visible, 1H and 13C NMR, ESI(+)-mass spectroscopy, etc. The complexes were found to be diamagnetic, four coordinated mononuclear neutral molecules with square planar or distorted square planar geometry.


Anisaldene-4-aminothiophenol, 2,5-Dimethoxybenzyl-4-phenylthiosemicarbazone, Benzil-bisthiosemicarbazone.

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