Direct evidence for oxygen-atom exchange between nonheme oxoiron(IV) complexes and isotopically labeled water

Mi Sook Seo, Jun Hee In, Sun Ok Kim, Na Young Oh, Jongki Hong, Jinheung Kim, Lawrence Que, Wonwoo Nam

Research output: Contribution to journalArticlepeer-review

85 Scopus citations

Abstract

Rates of exchange: Evidence that non-heme oxoiron(IV) complexes exchange their oxygen atoms with H218O was obtained for the first time, by monitoring electrospray ionization mass spectral changes of the oxoiron(IV) species. The oxygen-atom exchange depended markedly on the amounts of H218O present and reaction temperatures but not on the presence of trans axial ligand (see scheme).

Original languageEnglish (US)
Pages (from-to)2417-2420
Number of pages4
JournalAngewandte Chemie - International Edition
Volume43
Issue number18
DOIs
StatePublished - Apr 26 2004

Keywords

  • Enzyme models
  • Iron
  • Oxidation
  • Oxo ligands
  • Oxygen

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