Iron complexes of borylated vicinal dioxime macrocycles

Metal complexes of the general form trans-FeN 4LL′, where N 4 is a planar tetradentate macrocycle and L and L′ axial monodentate ligands form an important class of inorganic substances. This review summarizes the chemistry of low spin Fe(II) and μ-oxo Fe(III) complexes containing vicinal dioximate l...

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Bibliographic Details
Published in:Coordination chemistry reviews 2002-11, Vol.233, p.273-287
Main Authors: Stynes, Dennis V., Vernik, Isak, Zobi, Fabio
Format: Article
Language:English
Subjects:
Iron dioxime
Kinetics
Nonbonded effects
Oxo ligation
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Summary:Metal complexes of the general form trans-FeN 4LL′, where N 4 is a planar tetradentate macrocycle and L and L′ axial monodentate ligands form an important class of inorganic substances. This review summarizes the chemistry of low spin Fe(II) and μ-oxo Fe(III) complexes containing vicinal dioximate ligands with emphasis on the borylated forms; Fe(DMGBF 2) 2, Fe(DMGBPh 2) 2, Fe(BQDBF 2) 2, Fe(NPQBF 2) 2. An extensive range of binding affinities, ligand labilities, MLCT spectra, and redox potential may be achieved by variation in L, N 4, and BR 2 groups. Structural and ligand binding data for Fe(II) and μ-oxo Fe(III) complexes are discussed. The Fe(DMGBR 2) 2 complexes adopt either a C 2 ν or C 2h conformation depending upon the axial ligands present. Applications to the measurement, understanding, and use of nonbonded interactions are described.
ISSN:0010-8545
1873-3840
DOI:10.1016/S0010-8545(02)00082-6