alexa Crystallographic, Electrochemical, and Pulsed EPR Study of Copper (II) Polyimidazole Complexes Relevant to the Metal Sites of Copper Proteins


Journal of Chemical Biology & Therapeutics

Author(s): Place C, Zimmermann JL, Mulliez E, Guillot G, Bois C, Chottard JC

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Copper(II) complexes of a series of di-, tri-, and tetraimidazole ligands have been synthesized and their crystal structures determined using X-ray diffraction. A variety of coordination modes and geometries are observed, giving insight into the factors which control the stability of copper(II) complexes. This variety is reflected in the series of redox potentials spanning 500 mV and in the absorption wavelengths of the complexes. Electron spin-echo envelope modulation (ESEEM) spectroscopy was used to correlate the nuclear quadrupole interaction (NQI) parameters with the substitution positions of the coordinated imidazoles.

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This article was published in J InorgChem and referenced in Journal of Chemical Biology & Therapeutics

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