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Two Exceptional Homoleptic Iron(IV) Tetraalkyl Complexes
Author(s) -
Casitas Alicia,
Rees Julian A.,
Goddard Richard,
Bill Eckhard,
DeBeer Serena,
Fürstner Alois
Publication year - 2017
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201612299
Subject(s) - homoleptic , chemistry , organic chemistry , metal
The formation of the high‐valent iron complex [Fe(cyclohexyl) 4 ] from Fe II 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.