Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science

Syntheses of Chelating Tetrazole-Containing Ligands and Studies of Their Palladium(II) and Ruthenium(II) Complexes

AJ Downard, PJ Steel and J Steenwijk

Australian Journal of Chemistry 48(9) 1625 - 1642
Published: 1995


Eleven chelating tetrazole -containing ligands have been synthesized, and their complexes with palladium(II) and ruthenium(II) prepared. Proton n.m.r. spectroscopy, electronic absorption spectroscopy and cyclic voltammetry have been used to study the nature of the metal-ligand interactions in these complexes. The negatively charged tetrazolate group is shown to be a strong electron donor with very different properties to those of the protonated or alkylated tetrazole group. This leads to pH control of the properties of transition metal complexes containing such ligands.

© CSIRO 1995

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