Russian Chemical Bulletin

, Volume 53, Issue 8, pp 1681–1685 | Cite as

Nucleophilic addition of bifunctional sulfimidosulfides to platinum(IV)-coordinated nitriles

  • A. V. Makarycheva-Mikhailova
  • S. I. Selivanov
  • N. A. Bokach
  • V. Yu. Kukushkin
  • P. F. Kelly
  • A. J. L Pombeiro


Reactions of the platinum(IV) nitrile complexes [PtCl4(RCN)2] (R = Me, CH2Ph, Ph) with 1,2- and 1,4-PhS(=NH)C6H4SPh in CH2Cl2 afforded addition products of sulfimides and coordinated nitriles, viz., the [PtCl4{NH=C(R)N=S(Ph)(C6H4SPh)}2] complexes. The latter were isolated in 75—90% yields and characterized by elemental analysis, positive-ion FAB mass spectrometry, IR spectroscopy, and 1H and 13C1H NMR spectroscopy. The temperature dependence of the 1H NMR spectra of the model [PtCl4{NH=C(R)N=SPh2}2] complexes (R = Me, Et) in CD2Cl2 studied in a temperature range from +40 to -70 °C demonstrated that EZ isomerization of the ligands is a dynamic process in a range from +40 to -10 °C. The activation free energy of this process was calculated.

Key words

nitriles sulfimides platinum(IV) complexes nucleophilic addition reactivity of ligands EZ isomerization 


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Copyright information

© Springer Science+Business Media, Inc. 2004

Authors and Affiliations

  • A. V. Makarycheva-Mikhailova
    • 1
  • S. I. Selivanov
    • 1
  • N. A. Bokach
    • 1
  • V. Yu. Kukushkin
    • 1
  • P. F. Kelly
    • 2
  • A. J. L Pombeiro
    • 3
  1. 1.Department of ChemistrySt. Petersburg State UniversityStary PetergofRussian Federation
  2. 2.Department of ChemistryLoughborough UniversityLoughboroughUK
  3. 3.Center of Structural ChemistryTechnical University of LisbonLisbonPortugal

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