Ligand substitution process in tetranuclear metal carbonyl clusters
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Kinetic and mechanistic studies of carbon monoxide substitution processes in the tetranuclear metal carbonyl clusters, Co4(CO)12-n[P(OMe)3]n (n = 1, 2), are reported. Co4(CO)10[P(OMe)3]2 was found to proceed to Co4(CO)9[P(OMe)3]3 by a two-term rate law (dissociative and ligand-dependent paths) with the CO dissociative process being dominant at low incoming ligand concentrations. On the other hand, the rate of reaction of Co4(CO)11[P(OMe)3] with P(OMe)3 to afford Co4(CO)10[P(OMe)3]2 was strongly dependent on the concentration of trimethyl phosphite; making it difficult to assess the importance of the CO dissociative process. 1979.
Journal of Organometallic Chemistry
author list (cited authors)
Darensbourg, D. J., & Incorvia, M. J.
complete list of authors
Darensbourg, Donald J||Incorvia, Michael J