Contrasting cis and trans Effects on the Reactivity of Nonheme Oxoiron(IV) Complexes

Contrasting cis and trans Effects on the Reactivity of Nonheme Oxoiron(IV) Complexes

Position determines properties: The oxidative properties of [FeIV(O)(L)(X)] species (L=tetradentate N4 ligand, X=monodentate ligand) depend on the position of the X ligand. The FeO unit is a poorer oxidant with an electron‐donating cis ligand but becomes a much better oxidant when this ligand is tr...

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Veröffentlicht in:Angewandte Chemie (International ed.) 2008-02, Vol.47 (10), p.1896-1899
Hauptverfasser: Zhou, Yuming, Shan, Xiaopeng, Mas-Ballesté, Rubén, Bukowski, Michael R, Stubna, Audria, Chakrabarti, Mrinmoy, Slominski, Luke, Halfen, Jason A, Münck, Eckard, Que, Lawrence Jr
Format: Artikel
Sprache:eng
Schlagworte:
bioinorganic chemistry
high-valent compounds
Iron - chemistry
iron-oxo complexes
ligand effects
Ligands
Molecular Conformation
Organometallic Compounds - chemistry
oxidation
Oxygen - chemistry
Pyridines - chemistry
Stereoisomerism
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Zusammenfassung:Position determines properties: The oxidative properties of [FeIV(O)(L)(X)] species (L=tetradentate N4 ligand, X=monodentate ligand) depend on the position of the X ligand. The FeO unit is a poorer oxidant with an electron‐donating cis ligand but becomes a much better oxidant when this ligand is trans to the oxo group. This difference in reactivity reflects perturbations to the electronic structure of the highly covalent FeO moiety.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200704228