A Promising New Schiff Base-like Ligand for the Synthesis of Octahedral Iron(II) Spin Crossover Complexes

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Bauer, Wolfgang ; Ossiander, Tanja ; Weber, Birgit:
A Promising New Schiff Base-like Ligand for the Synthesis of Octahedral Iron(II) Spin Crossover Complexes.
In: Zeitschrift für Naturforschung B. Bd. 65b (2010) . - S. 323-328.
ISSN 1865-7117

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Abstract

A new tetradentate Schiff base-like ligand H2L (1) ((E,E)-dimethyl-2,2-[1,2-phenylenebis(aminomethylidyne)]bis[3-oxobutanoate]) was synthesised and structurally characterised. Its reaction with iron(II) acetate leads to the formation of the octahedral N2O4-coordinated complex [FeL(MeOH)2](2). The complex is a pure high-spin (HS) compound as is evident from magnetic measurements and X-ray crystallography.