Kinetic investigation of the mixed-metal bimolecular reductive eliminations in the reactions of EtOC(O)CH2M(CO)n or EtOC(O)M(CO)n (M = Co, n = 4; M = Mn, n = 5) with HCo(CO)4 or HMn(CO)5

István Kovács, Carl Hoff, Ferenc Ungváry, László Markó

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24 Citations (Scopus)

Abstract

The alkyl- and acylmetal carbonyls EtOC(O)CH2M(CO)n and EtOC(O)M(CO)n (M = Co, n = 4; M = Mn, n = 5) react with HCo(CO)4 or HMn(CO)5 to yield ethyl acetate or ethyl formate and the corresponding binuclear metal carbonyl. Kinetic experiments support a mechanism according to which the reaction between a coordinatively unsaturated alkyl- or acylmetal carbonyl (formed by CO loss) and the metal carbonyl hydride is rate determining. The rate of this bimolecular reductive elimination step varies strongly and unexpectedly in the mixed-metal systems.

Original languageEnglish
Pages (from-to)1347-1350
Number of pages4
JournalOrganometallics
Volume4
Issue number8
StatePublished - Dec 1 1985

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Carbon Monoxide
elimination
Metals
Kinetics
kinetics
metals
formates
hydrides
acetates
Hydrides
Experiments

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Organic Chemistry

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Kinetic investigation of the mixed-metal bimolecular reductive eliminations in the reactions of EtOC(O)CH2M(CO)n or EtOC(O)M(CO)n (M = Co, n = 4; M = Mn, n = 5) with HCo(CO)4 or HMn(CO)5. / Kovács, István; Hoff, Carl; Ungváry, Ferenc; Markó, László.

In: Organometallics, Vol. 4, No. 8, 01.12.1985, p. 1347-1350.

Research output: Contribution to journalArticle

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abstract = "The alkyl- and acylmetal carbonyls EtOC(O)CH2M(CO)n and EtOC(O)M(CO)n (M = Co, n = 4; M = Mn, n = 5) react with HCo(CO)4 or HMn(CO)5 to yield ethyl acetate or ethyl formate and the corresponding binuclear metal carbonyl. Kinetic experiments support a mechanism according to which the reaction between a coordinatively unsaturated alkyl- or acylmetal carbonyl (formed by CO loss) and the metal carbonyl hydride is rate determining. The rate of this bimolecular reductive elimination step varies strongly and unexpectedly in the mixed-metal systems.",
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