Reactions of cationic iron P-coordinated (diphenylphosphino) alkynes with dicobalt octacarbonyl

Elmostafa Louattani, Joan Suades, Angel Alvarez-Larena, Joan F. Piniella, Gabriel Germain

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22 Citations (Scopus)


Reaction of the P-coordinated transition metal complexes [(Fp)Ph2PC≡CR][BF4] (R = H, CH3, Ph, p-tolyl; Fp = CpFe(CO)2) with cobalt octacarbonyl at room temperature affords the cationic heterometallic complexes [(Fp)Ph2PC≡CR{Co2(CO)6}][BF4] (1-4) in high yields. A single-crystal X-ray structural analysis of 3 showed that the hexacarbonyldicobalt fragment is π-bonded to the alkynyl group of the P-coordinated (diphenylphosphino)alkyne without significant interaction between the iron and cobalt fragments. Spectroscopic data for 1-4 and structural data for 3 suggest that the positive charge is mainly located on the iron fragment.
Original languageEnglish
Pages (from-to)121-127
JournalJournal of Organometallic Chemistry
Issue number1-2
Publication statusPublished - 1 Jan 1996


  • Carbonyl
  • Cobalt
  • Cyclopentadienyl
  • Iron
  • Phosphinoalkyne


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