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Bimolecular substitution and oxidation reactions of 17-electron pentacoordinate metal carbonyl radicals

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Summary

Quantitative and semiquantitative data for reactions of M2(CO)10-2nL2n (M=Mn or Re; L=P-donor ligand; n=0, 1) are analyzed to provide information regarding the mechanisms and relative rates of substitution and oxidation reactions of the [M(CO)5-nLn] radicals. Both associative and dissociative paths for substitution can be inferred, but the dissociative paths are generally much slower and occur only at high temperatures and/or when associative substitution is sterically disfavoured. Quantitative comparison of the reactivities of various radicals is made.

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Poë, A. Bimolecular substitution and oxidation reactions of 17-electron pentacoordinate metal carbonyl radicals. Transition Met Chem 7, 65–69 (1982). https://doi.org/10.1007/BF00618183

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