An Iron(III) Superoxide Corrole from Iron(II) and Dioxygen

Jireh Joy D. Sacramento, Therese Albert, Maxime Siegler, Pierre Moënne-Loccoz, David P. Goldberg

Research output: Contribution to journalArticlepeer-review

Abstract

A new structurally characterized ferrous corrole [FeII(ttppc)] (1) binds one equivalent of dioxygen to form [FeIII(O2−.)(ttppc)] (2). This complex exhibits a 16/18O2-isotope sensitive ν(O-O) stretch at 1128 cm−1 concomitantly with a single ν(Fe-O2) at 555 cm−1, indicating it is an η1-superoxo (“end-on”) iron(III) complex. Complex 2 is the first well characterized Fe-O2 corrole, and mediates the following biologically relevant oxidation reactions: dioxygenation of an indole derivative, and H-atom abstraction from an activated O−H bond.

Original languageEnglish (US)
Article numbere202111492
JournalAngewandte Chemie - International Edition
Volume61
Issue number2
DOIs
StatePublished - Jan 10 2022

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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