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Catalytically Active Iron(IV)oxo Species Based on a Bis(pyridinyl)phenanthrolinylmethane
Author(s) -
Hüppe Henrika M.,
Keisers Kristina,
Fink Fabian,
Mürtz Sonja D.,
Hoffmann Alexander,
Iffland Linda,
Apfel UlfPeter,
HerresPawlis Sonja
Publication year - 2020
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.202000009
Subject(s) - chemistry , cyclohexane , adamantane , ketone , alcohol , mass spectrometry , medicinal chemistry , spectroscopy , stereochemistry , organic chemistry , physics , chromatography , quantum mechanics
Abstract Starting from the mononuclear iron(II) complex [Fe(MeCPy 2 Phen)(MeCN) 2 ] 2+ , a non‐heme Fe(IV)oxo complex [Fe IV (MeCPy 2 Phen)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.

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