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Synthesis, electrochemical properties and electro-oxidative polymerization of copper(II) and nickel(II) complexes with N′-benzoylthiourea ligands containing pyrrole groups

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Abstract

The synthesis of four N′-benzoylthioureas containing pyrrole groups are described. The electrochemical behaviour of their copper(II) and nickel(II) complexes has been investigated in aprotic solvents by coulometry and by cyclic voltammetry which indicates that the electrochemical oxidation of copper complexes leads to the formation of CuII-benzylureate complexes. The oxidative polymerization of nickel complexes on platinum and a glassy carbon electrode, has been carried out in MeCN.

The redox properties of the polymeric films formed have been examined by cyclic voltammetry. The films are catalytically active in the electroreduction of oxygen.

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Authors and Affiliations

  1. Departamento Ingeniería Química Industrial, ETS de Ingenieros Industriales, Universidad Politécnica Madrid, José Gutierrez Abascal 2, 28006, Madrid, Spain

    José Losada & Isabel del Peso

  2. Fakultät für Chemie und Mineralogie, Universität Leipzig, D, 04103, Leipzig, Germany

    Lothar Beyer

Authors
  1. José Losada
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  2. Isabel del Peso
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  3. Lothar Beyer
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Losada, J., Peso, I.d. & Beyer, L. Synthesis, electrochemical properties and electro-oxidative polymerization of copper(II) and nickel(II) complexes with N′-benzoylthiourea ligands containing pyrrole groups. Transition Metal Chemistry 25, 112–117 (2000). https://doi.org/10.1023/A:1007030327569

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