Thermal and spectral studies of palladium(II) complexes

Palladium(II) complexes of type [Pd(L)Cl sub(2)] [where L=2-aminopyridine-N-thiohydrazide (L super(1)), (2-aminopyridine-N-thio)-1,3-propanediamine (L super(2)), benzaldehyde 2-aminopyridine-N-thiohydrazone (L super(3)) and salicylaldehyde-2-aminopyridine-N-thiohydrazone (L super(4))] have been synt...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2007-11, Vol.90 (2), p.509-515
Main Authors: MISHRA, A. K, MISHRA, S. B, MANAV, N, KAUSHIK, N. K
Format: Article
Language:English
Subjects:
Antibiotics. Antiinfectious agents. Antiparasitic agents
Antifungal agents
Biological and medical sciences
Medical sciences
Pharmacology. Drug treatments
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Summary:Palladium(II) complexes of type [Pd(L)Cl sub(2)] [where L=2-aminopyridine-N-thiohydrazide (L super(1)), (2-aminopyridine-N-thio)-1,3-propanediamine (L super(2)), benzaldehyde 2-aminopyridine-N-thiohydrazone (L super(3)) and salicylaldehyde-2-aminopyridine-N-thiohydrazone (L super(4))] have been synthesized. The thiohydrazide, thiodiamine and thiohydrazones can exist as thione-thiol tautomer and coordinate as a bidentate N-S ligand. The ligands found to act in bidentate fashion.The complexes have been characterized by elemental analysis, IR, mass, electronic, super(1)H NMR spectroscopic studies, and TG/DTA study. Antifungal studies of some complexes were also carried out. Various kinetic and thermodynamic parameters like order of reaction (n), activation energy (E sub(a)), apparent activation entropy (S super(#)) and heat of reaction ( Delta H) have also been carried out for one complex.
ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-006-7608-0