ON THE OXIMINE COMPLEXES OF TRANSITION METALS. PART CXVIII. STUDY ON THE PROTOLYTIC EQUILIBRIA IN THE SOLUTIONS OF MIXED CHELATES OF THE TYPE [Co(Diox.H)<I><sub>2</sub></I>AB]<I><sup>n</sup></I> WITH ALICYCLIC <I>&#945;</I>-DIOXIMES<I><sup>1</sup></I>

Authors

  • Csaba Várhelyi Jr
  • Gabriella Nagy
  • János Zsakó
  • Csaba Várhelyi
  • Attila Kovács
  • György Liptay

Abstract

16 new chelate compounds of the type [Co(Diox.H)2AB]n (Diox.H2-alicyclic α-dioxime with C5..C8 in the hydroaromatic ring, A, B monodentate ligands: NCO-, NO2-, S2O32-, NH3, pyridine, aromatic amine) were obtained by air oxidation of the components and by various substitution reactions, respectively. The complexes were characterized by FTIR spectra. The complicated protolytic equilibria with the participation of the intramolecular O-H..O hydrogen bridges of the Co(Diox.H)2 moieties were studied by spectrophotometric and potentiometric measurements.

Keywords:

cobalt(III) mixed complexes, complexes with oximes, FTIR, spectroscopy, protolytic equilibria, UV-spectrophotometry

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How to Cite

Várhelyi Jr, C., Nagy, G., Zsakó, J., Várhelyi, C., Kovács, A., Liptay, G. “ON THE OXIMINE COMPLEXES OF TRANSITION METALS. PART CXVIII. STUDY ON THE PROTOLYTIC EQUILIBRIA IN THE SOLUTIONS OF MIXED CHELATES OF THE TYPE [Co(Diox.H)<I><sub>2</sub></I>AB]<I><sup>n</sup></I> WITH ALICYCLIC <I>&#945;</I>-DIOXIMES<I><sup>1</sup></I>”;, Periodica Polytechnica Chemical Engineering, 44(2), pp. 111–122, 2000.

Issue

Vol. 44 No. 2 (2000)

Section

Articles