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Synthesis and electrochemistry of vanadium(IV) Schiff base complexes

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Abstract

The electrochemical properties of vanadyl(IV) derivatives, namely salen Schiff base complexes of the type [VO(Salen)] (5-BrSalen, 5-NO2Salen, 5-MeOSalen, salpn (bis(salicylaldehyde)-1,3-propanediamine, 5-BrSalpn, 5-NO2Salpn, 5-MeOSalpn, Me2Salen, Salophen, 5-BrSalophen, and 5-MeOSalophen) were investigated. The equatorial Schiff base ligands affect the oxidation potentials via interaction with the d-orbitals of the vanadyl metal ion. The cathodic peak potential (Epc) becomes less negative according to the sequence MeO- < H- < Br- < NO2−.

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Correspondence to A. H. Kianfar.

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Kianfar, A.H., Mohebbi, S. Synthesis and electrochemistry of vanadium(IV) Schiff base complexes. JICS 4, 215–220 (2007). https://doi.org/10.1007/BF03245969

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Keywords

  • Vanadyl complexes
  • Schiff base
  • Spectroscopic
  • Electrochemistry