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

doi:10.1002/anie.200353497

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

Department of Chemistry & Nanoscience

Research output: Contribution to journal › Article › peer-review

99 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 language	English
Pages (from-to)	2417-2420
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	43
Issue number	18
DOIs	https://doi.org/10.1002/anie.200353497
State	Published - 26 Apr 2004

Keywords

Enzyme models
Iron
Oxidation
Oxo ligands
Oxygen

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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).",

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AU - Seo, Mi Sook

AU - In, Jun Hee

AU - Kim, Sun Ok

AU - Oh, Na Young

AU - Hong, Jongki

AU - Kim, Jinheung

AU - Que, Lawrence

AU - Nam, Wonwoo

PY - 2004/4/26

Y1 - 2004/4/26

N2 - 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).

AB - 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).

KW - Enzyme models

KW - Iron

KW - Oxidation

KW - Oxo ligands

KW - Oxygen

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JO - Angewandte Chemie - International Edition

JF - Angewandte Chemie - International Edition

IS - 18

ER -

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

Abstract

Keywords

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