C-F bond activation of perfluoroalkenes by ruthenium phosphine hydride complexes: x-ray crystal structures of cis-Ru(dmpe)2F(F.HF) and [Ru(dcpe)2H]+[(CF3)2C:C(O)CF2CF3]

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Abstract

The reaction of (CF3)2C:C(F)CF2CF3 or CF3CF:CF2 with cis-Ru(dmpe)2H2 (dmpe = Me2PCH2CH2PMe2) affords the bifluoride fluoride complex cis-Ru(dmpe)2F(F.HF), whereas reaction with Ru(dcpe)2H2 (dcpe = (C6H11)2PCH2CH2P(C6H11)2) yields [Ru(dcpe)2H]+ with [(CF3)2C:C(O)CF2CF3]- as the anion. Thus the pathways for C-F bond activation of the perfluoroalkenes by Ru(P-P)2H2 are highly dependent upon the phosphine substituents. Cis-Ru(dmpe)2F(F.HF) and [Ru(dcpe)2H][(CF3)2C:C(O)CF2CF3] were characterized by x-ray crystallog.
Original languageEnglish
Pages (from-to)813-814
Number of pages2
JournalChemical Communications
Issue number9
Publication statusPublished - 2001

Keywords

  • ruthenium diphosphine fluoride bifluoride hydride prepn structure
  • crystal structure ruthenium diphosphine fluoride bifluoride hydride
  • Crystal structure
  • perfluoroalkene carbon fluorine bond activation ruthenium diphosphine hydride complex
  • Bond cleavage (carbon-fluorine
  • Molecular structure (of ruthenium bis(dimethylphosphino)ethane bifluoride fluoride and bis(dicyclohexylphosphino)ethane hydride complexes)
  • carbon-fluorine bond activation of perfluoroalkenes by ruthenium diphosphinoethane hydride complexes)

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