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Synthesis, characterization, electrochemical studies and catecholase-like activity of a series of mononuclear Cu(II), homodinuclear Cu(II)Cu(II) and heterodinuclear Cu(II)Ni(II) complexes of a phenol-based compartmental ligand

Boghaei, D. M ; Sharif University of Technology | 2005

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  1. Type of Document: Article
  2. DOI: 10.1016/j.molcata.2005.06.064
  3. Publisher: 2005
  4. Abstract:
  5. A series of previously reported mononuclear Cu(II) and homodinuclear Cu(II)Cu(II) complexes, as well as, novel mononuclear Cu(II), homodinuclear Cu(II)Cu(II), and heterodinuclear Cu(II)Ni(II) complexes of a phenol-based dinucleating ligand with two different N(amine)2O2 and N(imine)2O2 coordination sites, were synthesized and characterized by elemental analyses, infrared and electronic absorption spectroscopies and conductivity measurements. The electrochemical behavior and catecholase-like activity of the complexes were also studied using cyclic voltammetry and UV-vis spectrophotometry, respectively. Our results show that the dinuclear complexes are more effective catalysts in the oxidation of catechol to the corresponding quinone than the mononuclear complexes. Furthermore, the homodinuclear Cu(II)Cu(II) complexes show greater catalytic activity compared to the corresponding heterodinuclear Cu(II)Ni(II) complexes. © 2005 Elsevier B.V. All rights reserved
  6. Keywords:
  7. Absorption spectroscopy ; Catalyst activity ; Coordination reactions ; Cyclic voltammetry ; Electrochemistry ; Enzymes ; Infrared spectroscopy ; Oxidation ; Phenols ; Spectrophotometry ; Synthesis (chemical) ; Ultraviolet spectroscopy ; Catechol ; Catecholase ; Compartmental ; Dinuclear complexes ; Heterodinuclear complexes ; Complexation
  8. Source: Journal of Molecular Catalysis A: Chemical ; Volume 241, Issue 1-2 , 2005 , Pages 1-7 ; 13811169 (ISSN)
  9. URL: https://www.sciencedirect.com/science/article/abs/pii/S1381116905004681