Platinum(II) and palladium(II) complexes with 3,3,8,8-tetramethyl-1,6-dioxa-4,9-diaza-5λ 5-phosphaspiro[4,4]nonane

A. V. Korostylev, O. G. Bondarev, K. A. Lyssenko, A. Yu Kovalevsky, P. V. Petrovskii, G. V. Tcherkaev, I. S. Mikhel, V. A. Davankov, K. N. Gavrilov

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Abstract

Chelate metal complexes have been synthesised by reacting [MCODCl2] (M = Pd, Pt) and 3,3,8,8-tetramethyl-1,6-dioxa-4,9-diaza-5λ 5-phosphaspiro[4,4]nonane. The general formula of the products is cis-[MCl2L], where L is a P,N-bidentate coordinated P(III) form of the initial hydrophosphorane. The structure of the products was determined by IR, 1H, 13C, 14N, 15N, 31P, and 195Pt NMR spectroscopy, plasma and laser desorption mass spectrometry, sedimentation analysis, X-ray photoelectron spectroscopy and, in the case of platinum products, by single-crystal X-ray diffraction. A tendency of the complexes to reorganise in organic solvents was revealed. In the case of the palladium complex, the process is accompanied by an increase in the degree of nuclearity.

Original languageEnglish
Pages (from-to)164-170
Number of pages7
JournalInorganica Chimica Acta
Volume295
Issue number2
DOIs
StatePublished - Nov 30 1999
Externally publishedYes

Keywords

  • Crystal structures
  • Hydrophosphoranes
  • P,N-ligand complexes
  • Palladium complexes
  • Platinum complexes

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