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Catalytically Active Iron(IV)oxo Species Based on a Bis(pyridinyl)phenanthrolinylmethane

Starting from the mononuclear iron(II) complex [Fe(MeCPy2Phen)(MeCN)2]2+, a non‐heme Fe(IV)oxo complex [FeIV(MeCPy2Phen)O]2+ was synthesized via oxidation with meta‐chloroperoxybenzoic acid (mCPBA). The Fe(IV)oxo complex was characterized using UV/Vis spectroscopy, Mößbauer spectroscopy and CSI mass...

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Published in:Israel journal of chemistry 2020-10, Vol.60 (10-11), p.987-998
Main Authors: Hüppe, Henrika M., Keisers, Kristina, Fink, Fabian, Mürtz, Sonja D., Hoffmann, Alexander, Iffland, Linda, Apfel, Ulf‐Peter, Herres‐Pawlis, Sonja
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cited_by cdi_FETCH-LOGICAL-c3579-fa0d5ba34adc2208d81273fcc138bb9f024f134bf1b9d460a1b8c938d7b590403
cites cdi_FETCH-LOGICAL-c3579-fa0d5ba34adc2208d81273fcc138bb9f024f134bf1b9d460a1b8c938d7b590403
container_end_page 998
container_issue 10-11
container_start_page 987
container_title Israel journal of chemistry
container_volume 60
creator Hüppe, Henrika M.
Keisers, Kristina
Fink, Fabian
Mürtz, Sonja D.
Hoffmann, Alexander
Iffland, Linda
Apfel, Ulf‐Peter
Herres‐Pawlis, Sonja
description Starting from the mononuclear iron(II) complex [Fe(MeCPy2Phen)(MeCN)2]2+, a non‐heme Fe(IV)oxo complex [FeIV(MeCPy2Phen)O]2+ was synthesized via oxidation with meta‐chloroperoxybenzoic acid (mCPBA). The Fe(IV)oxo complex was characterized using UV/Vis spectroscopy, Mößbauer spectroscopy and CSI mass spectrometry. The ability of this species to oxidize C−H bonds was tested with cyclohexane and adamantane as model substrates. For cyclohexane, an alcohol‐to‐ketone ratio (A/K) of 6.1 and efficiencies up to 55 were obtained. In case of adamantane, the ratio of tertiary over secondary products (3°/2°) is 38. In combination, this indicates the iron(IV)oxo complex being the catalytically active species.
doi_str_mv 10.1002/ijch.202000009
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subjects Bioinorganic Chemistry
Cyclohexane
C−H activation
Iron
Mass spectrometry
N ligands
Oxidation
Spectroscopy
Substrates
title Catalytically Active Iron(IV)oxo Species Based on a Bis(pyridinyl)phenanthrolinylmethane
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