Reactions of Homo-and Heterobinuclear Cobalt Carbonyls with Metal Carbonyl Hydrides

István kovács, Attila Sisak, Ferenc Ungváry, László Markó

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12 Citations (Scopus)


HMn(CO)5, HMo(CO)3Cp, and HFe(CO)2Cp (Cp = cyclopentadienyl) were found to react with Co2(CO)8forming HCo(CO)4and the corresponding mixed-metal carbonyl dimers. It was shown that HMo(CO)3Cp transferred the hydrogen atom to Co2(CO)8and CoMn(CO)9in reversible processes. The substituted hydride HMn(CO)4P-n-Bu3and Co2(CO)8afforded (CO)4CoMn(CO)4P-n-Bu3which was characterized by elementary analysis and IR and mass spectroscopy. Its reaction with HMo(CO)3Cp gave HMn(CO)4P-n-Bu3and CoMo(CO)7Cp. The attack of the hydrides took place in mixed-metal complexes exclusively on the cobalt atom. A mechanism in which the hydrides oxidatively add to a coordinatively unsaturated Co center formed by CO loss is proposed.

Original languageEnglish
Pages (from-to)1873-1877
Number of pages5
Issue number8
Publication statusPublished - Aug 1989

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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