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Journal Article

Two Exceptional Homoleptic Iron(IV) Tetraalkyl Complexes

MPS-Authors
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Casitas,  Alicia
Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Goddard,  Richard
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Fürstner,  Alois
Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Casitas, A., Rees, J. A., Goddard, R., Bill, E., DeBeer, S., & Fürstner, A. (2017). Two Exceptional Homoleptic Iron(IV) Tetraalkyl Complexes. Angewandte Chemie International Edition, 56(34), 10108-10113. doi:10.1002/anie.201612299.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-C624-F
Abstract
The formation of the high-valent iron complex [Fe(cyclohexyl)4] from FeII under reducing conditions is best explained by disproportionation of a transient organoiron intermediate which is driven by dispersive forces between the cyclohexyl ligands and the formation of short and strong Fe−C bonds. The (meta)stability of this diamagnetic complex (S=0) is striking if one considers that it has empty d-orbitals at its disposal and contains, at the same time, no less than twenty H-atoms available for either α- or β-hydride elimination.