Dioxygen activation by a non-heme iron(II) complex: Formation of an iron(IV)-oxo complex via C-H activation by a putative iron(III)-superoxo species

Yong Min Lee, Seungwoo Hong, Yuma Morimoto, Woonsup Shin, Shunichi Fukuzumi, Wonwoo Nam

Research output: Contribution to journalArticlepeer-review

139 Scopus citations

Abstract

Iron(III)-superoxo intermediates are believed to play key roles in oxygenation reactions by non-heme iron enzymes. We now report that a non-heme iron(II) complex activates O2 and generates its corresponding iron(IV)-oxo complex in the presence of substrates with weak C-H bonds (e.g., olefins and alkylaromatic compounds). We propose that a putative iron(III)-superoxo intermediate initiates the O2-activation chemistry by abstracting a H atom from the substrate, with subsequent generation of a high-valent iron(IV)-oxo intermediate from the resulting iron(III)-hydroperoxo species.

Original languageEnglish
Pages (from-to)10668-10670
Number of pages3
JournalJournal of the American Chemical Society
Volume132
Issue number31
DOIs
StatePublished - 11 Aug 2010

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