Kinetics and Mechanism of Mono- and Di-olefin Exchange at Five-co-ordinate Iron(0)

DOI: 10.1039/DT9800000999

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 999 - 1004 (1980)

Update date:2022-08-16

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Authors:

Burkinshaw, Philip M.

Dixon, Denis T.

Howell, James A. S.

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Article abstract of DOI:10.1039/DT9800000999

Exchange of various mono-olefins with styrene in proceeds via a dissociative process, involving an Fe(CO)4 intermediate.Ligand exchange in system (i) (enone = benzylideneacetone, cinnamaldehyde, chalcone, or dypnone; polyene = cyclohexa- and cyclohepta-1,3-diene, cycloheptatriene, cyclo-octatetraene, 4-enone)> + polyene (*) 4-polyene)> + enone (i) or 1,4-diphenylbuta-1,3-diene) is stepwise, involving a rate-determining dechelation of the ?-bound CO moiety.Both associative and dissociative pathways are found.The influence of diene structure and enone substituent is discussed.

Full text of DOI:10.1039/DT9800000999

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