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Russian Chemical Bulletin

, Volume 42, Issue 7, pp 1218–1221 | Cite as

Synthesis and complexing properties ofcis,cis-1,3,5-tri-[2-(diphenylphosphinyI)ethylamino]cyclohexane

  • M. I. Kabachnik
  • S. V. Matveev
  • V. D. Bazilyanskaya
  • L. P. Loginova
  • Yu. M. Polikarpov
Organic Chemistry
  • 26 Downloads

Abstract

A novel polydentate phosphorus-containing complexing agent,cis,cis-1,3,5-tri[2-(diphenyl-phosphinyl)ethylamino]cyclohexane, has been prepared on the basis ofcis,cis-1,3,5-triamino-cyclohexane. The method of potentiometric titration in an aqueous—organic medium (70% ethanol, ionic strength 0.01M LiNO3, 298 K) has been used to study the acid-base and complexing properties of the title compound. The ligand thus prepared forms 1∶1 complexes with Cu2+, Co2+, Zn2+, and Ni2+ cations; formation of hydroxocomplexes MOHL+ has been observed in the case of Zn2+ and Cd2+.

Key words

complex formation polydentate organophosphorus ligands synthesis acid-base properties potentiometric titration 

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Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • M. I. Kabachnik
    • 1
  • S. V. Matveev
    • 1
  • V. D. Bazilyanskaya
    • 1
  • L. P. Loginova
    • 1
  • Yu. M. Polikarpov
    • 1
  1. 1.A. N. Nesmeyanov Institute of Organoelement CompoundsRussian Academy of SciencesMoscowRussian Federation

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