Carbon-Carbon σ-Bond Transfer Hydrogenation with DMF Catalyzed by Cobalt Porphyrins
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AbstractCobalt porphyrins were found to catalyze the transfer hydrogenation of the carbon-carbon σ bond of [2.2]paracyclophane (PCP) with the solvent DMF serving as the hydrogenating agent. Successful trapping experiments with benzene solvent and the kinetic isotope effect (4.9) suggested the presence of benzyl radical intermediates in undergoing hydrogen atom transfer from DMF as the rate-limiting step. The rate law was established by initial rate measurements to be rate = kobs[CoII(ttp)][PCP].
All Author(s) ListTam C.M., To C.T., Chan K.S.
Journal nameOrganometallics
Volume Number35
Issue Number13
PublisherAmerican Chemical Society
Place of PublicationUnited States
Pages2174 - 2177
LanguagesEnglish-United Kingdom

Last updated on 2021-22-09 at 00:56