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Kinetics and Mechanism of the Ligand Substitution Reaction of the Di-μ-hydroxobis(bipyridyl)dipalladium(II) Ion with some Bio-relevant Ligands

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Abstract

The interaction of di-μ-hydroxobis(bipyridyl)dipalladium(II) with the selected bio-relevant ligands: thioglycolic acid (HL1), glutathione(HL2) and DL-penicillamine(HL3) has been studied spectrophotometrically in aqueous medium as a function of complex and ligand concentrations, pH, and temperature at constant ionic strength. Two consecutive reaction steps are observed: the first step is dependent on the incoming ligand concentration and the second step which is independent, is assigned to ring closure. The activation parameters, conductivity data and IR data obtained also support the proposed mechanism.

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Authors and Affiliations

  1. Department of Chemistry, The University of Burdwan, Burdwan, 713104, West Bengal, India

    Subhasis Mallick, Biplab K. Bera, Parnajyoti Karmakar, Subala Mondal, Arup Mandal & Alak K. Ghosh

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  1. Subhasis Mallick
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  2. Biplab K. Bera
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  3. Parnajyoti Karmakar
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  4. Subala Mondal
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  6. Alak K. Ghosh
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Correspondence to Alak K. Ghosh.

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Mallick, S., Bera, B.K., Karmakar, P. et al. Kinetics and Mechanism of the Ligand Substitution Reaction of the Di-μ-hydroxobis(bipyridyl)dipalladium(II) Ion with some Bio-relevant Ligands. J Solution Chem 40, 532–544 (2011). https://doi.org/10.1007/s10953-011-9659-5

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