NMR investigation of platinum-diphosphine complexes in [BMIM][PF 6] ionic liquid

Gábor Rangits, György Petocz, Z. Berente, L. Kollár

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The formation of platinum-diphosphine complexes of catalytic importance was investigated in [BMIM][PF6] (BMIM=butyl-methyl-imidazolium cation) ionic liquid by NMR for the first time. Both the PtCl(SnCl 3)(bdpp) and Pt(SnCl3)2(bdpp) complexes (where bdpp=2,4-bis(diphenylphosphino)pentane) were identified in the insertion reaction of tin(II)chloride into the Pt-Cl bond of PtCl2(bdpp) complex. The addition of PPh3 to PtCl2(bdpp) resulted in the formation of [Pt(bdpp)(PPh3)Cl]+ complex cation as a minor component, which turned to be a major component in the presence of tin(II)chloride while it forms trichlorostannate counterion. Both types of reactions show high similarity with those obtained in conventional organic solvents. As a serious disadvantage of the use of [BMIM][PF6] as ionic liquid, the partial decomposition of the hexafluorophosphate counterion in the presence of the smallest amount of water (and tin(II)chloride) is also discussed.

Original languageEnglish
Pages (from-to)301-305
Number of pages5
JournalInorganica Chimica Acta
Volume353
DOIs
Publication statusPublished - Sep 8 2003

Fingerprint

Ionic Liquids
Tin
Platinum
Ionic liquids
Chlorides
tin
platinum
chlorides
Nuclear magnetic resonance
nuclear magnetic resonance
Cations
liquids
Positive ions
cations
pentanes
Organic solvents
insertion
Decomposition
decomposition
Water

Keywords

  • Ionic liquid
  • Ligand exchange
  • Nuclear magnetic resonance
  • Phosphine
  • Platinum

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

NMR investigation of platinum-diphosphine complexes in [BMIM][PF 6] ionic liquid. / Rangits, Gábor; Petocz, György; Berente, Z.; Kollár, L.

In: Inorganica Chimica Acta, Vol. 353, 08.09.2003, p. 301-305.

Research output: Contribution to journalArticle

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