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Ligand topology effect on the reactivity of a mononuclear nonheme iron(IV)-oxo complex in oxygenation reactions

Title
Ligand topology effect on the reactivity of a mononuclear nonheme iron(IV)-oxo complex in oxygenation reactions
Authors
Hong S.Lee Y.-M.Cho K.-B.Sundaravel K.Cho J.Kim M.J.Shin W.Nam W.
Ewha Authors
남원우조재흥이용민
SCOPUS Author ID
남원우scopus; 이용민scopusscopus
Issue Date
2011
Journal Title
Journal of the American Chemical Society
ISSN
0002-7863JCR Link
Citation
vol. 133, no. 31, pp. 11876 - 11879
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Mononuclear nonheme iron(IV)-oxo complexes with two different topologies, cis-α-[Fe IV(O)(BQCN)] 2+ and cis-β-[Fe IV(O)(BQCN)] 2+, were synthesized and characterized with various spectroscopic methods. The effect of ligand topology on the reactivities of nonheme iron(IV)-oxo complexes was investigated in C-H bond activation and oxygen atom-transfer reactions; cis-α-[Fe IV(O)(BQCN)] 2+ was more reactive than cis-β-[Fe IV(O)(BQCN)] 2+ in the oxidation reactions. The reactivity difference between the cis-α and cis-β isomers of [Fe IV(O)(BQCN)] 2+ was rationalized with the Fe IV/III redox potentials of the iron(IV)-oxo complexes: the Fe IV/III redox potential of the cis-α isomer was 0.11 V higher than that of the cis-β isomer. © 2011 American Chemical Society.
DOI
10.1021/ja204008u
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자연과학대학 > 화학·나노과학전공 > Journal papers
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