Catalytic four-electron reduction of O 2 via rate-determining proton-coupled electron transfer to a dinuclear cobalt-μ-1,2-peroxo complex

Shunichi Fukuzumi, Sukanta Mandal, Kentaro Mase, Kei Ohkubo, Hyejin Park, Jordi Benet-Buchholz, Wonwoo Nam, Antoni Llobet

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82 Scopus citations

Abstract

Four-electron reduction of O 2 by octamethylferrocene (Me 8Fc) occurs efficiently with a dinuclear cobalt-μ-1,2-peroxo complex, 1, in the presence of trifluoroacetic acid in acetonitrile. Kinetic investigations of the overall catalytic reaction and each step in the catalytic cycle showed that proton-coupled electron transfer from Me 8Fc to 1 is the rate-determining step in the catalytic cycle.

Original languageEnglish
Pages (from-to)9906-9909
Number of pages4
JournalJournal of the American Chemical Society
Volume134
Issue number24
DOIs
StatePublished - 20 Jun 2012

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