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Kinetic studies of dicopper complexes in catechol oxidase model reaction by using an approximationless evaluating method

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Abstract

The oxidation of 3,5-di-tert-butylcatechol to 3,5-di-tert-butyl-o-benzoquinone catalyzed by dinuclear copper(II) complexes {[Cu2(L1)(CF3SO3)2(H2O)4]-(CF3SO3)2 (1) and [Cu2(L2O)](CF3SO3)2 (2)| has been investigated in methanol saturated with O2 at ambient temperature. Detailed kinetic studies were carried out and for the treatment the fitting software ZiTa was applied. On the basis of the results in the kinetic studies a possible mechanism of the catalytic reaction is proposed.

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Authors and Affiliations

  1. Research Group for Petrochemistry, Hungarian Academy of Sciences, 8200, Veszprém, Hungary

    Katalin Selmeczi & Gábor Speier

  2. Department of Organic Chemistry, University of Veszprém, 8200, Veszprém, Hungary

    Gábor Speier

  3. Faculté des Sciences et Techniques de Saint-Jérôme, Chimie, Biologie et Radicaux Libres, UMR CNRS 6517 8200 Case 432, Université d'Aix-Marseille III, avenue Escadrille Normandie-Niemen, 13397, Marseille Cedex 20, France

    Katalin Selmeczi & Marius Réglier

  4. Department of Physical Chemistry, University of Szeged, P.O. Box 105, 6701, Szeged, Hungary

    Gábor Peintler

Authors
  1. Katalin Selmeczi
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  2. Marius Réglier
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  3. Gábor Speier
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  4. Gábor Peintler
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Correspondence to Gábor Speier.

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Selmeczi, K., Réglier, M., Speier, G. et al. Kinetic studies of dicopper complexes in catechol oxidase model reaction by using an approximationless evaluating method. Reaction Kinetics and Catalysis Letters 81, 143–151 (2004). https://doi.org/10.1023/B:REAC.0000016528.08095.73

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  • DOI: https://doi.org/10.1023/B:REAC.0000016528.08095.73

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