Redox-condensation equilibria, probably with the participation of [Co3(CO)10]- as intermediate, and not ion pairing as previously postulated, explain the acceleration of the CO scrambling in [Co(CO)4]- by alkali metal counterions. The studies described here show that neutral carbonyl complexes catalyze the CO scrambling for anionic metal carbonyls and vice versa, and that the catalysis is less effective in the presence of free CO. The latter is in agreement with [Co3(CO)10]- as the intermediate. These results are important mainly because neutral and anionic metal carbonyls frequently exist together as a result of side reactions.

Mutual Catalysis of Neutral and Anionic Cobalt Carbonyls in Their CO Scrambling Reactions

FACHINETTI, GIUSEPPE;FUNAIOLI, TIZIANA
1992

Abstract

Redox-condensation equilibria, probably with the participation of [Co3(CO)10]- as intermediate, and not ion pairing as previously postulated, explain the acceleration of the CO scrambling in [Co(CO)4]- by alkali metal counterions. The studies described here show that neutral carbonyl complexes catalyze the CO scrambling for anionic metal carbonyls and vice versa, and that the catalysis is less effective in the presence of free CO. The latter is in agreement with [Co3(CO)10]- as the intermediate. These results are important mainly because neutral and anionic metal carbonyls frequently exist together as a result of side reactions.
Fachinetti, Giuseppe; Funaioli, Tiziana
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/19347
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