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Synthesis, spectroscopic and electrochemical studies of bis(N-aryl-3,5-di-t-butyl-salicylaldiminato)cobalt(II) complexes

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Abstract

The synthesis and characterization (elemental analysis, i.r., u.v., magnetic measurements and cyclic voltammetry) of some new CoII complexes with bidentate bulky salicylaldimines derived from 3,5-di-t-butylsalicylaldehyde and o- or p-substituted (X = Cl, Me, OMe, But) aniline derivatives are reported in this paper. The presented ligands show very low complexation ability in respect of NiII, VOII, MnII, ZnII and CdII metal ions. Electrochemical studies on the complexes, though revealing a dependence of the metal centered redox potentials on electronic and steric effects of the aniline substituents X, the potentials of the ligand-centered oxidation do not correlate with the electronic effects of X.

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Correspondence to Veli T. Kasumov.

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Kasumov, V.T., Özdemir, M., Tas, E. et al. Synthesis, spectroscopic and electrochemical studies of bis(N-aryl-3,5-di-t-butyl-salicylaldiminato)cobalt(II) complexes. Transition Met Chem 30, 191–195 (2005). https://doi.org/10.1007/s11243-004-3333-3

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Keywords

  • Oxidation
  • Cobalt
  • Catalysis
  • Aniline
  • Cyclic Voltammetry