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Iron β-diiminate complexes with As2-, As4- and As8-ligands

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Abstract

Different substituents at the β-diiminato ligand in low-valent [LFe(tol)] (L = β-diiminato) complexes fundamentally change their reactivity towards yellow arsenic. By using dmp (2,6-dimethylphenyl) as flanking groups, the tetranuclear complexes [(LFe)4As8] (L = L1 (1), L2 (2)) are isolated. For dipp (2,6-diisopropylphenyl) substituted ligands, dinuclear complexes [(LFe)2(cyclo-As4)] (L = L3 (3a), L4 (4a)) are obtained. Not only the choice of the ligand impacts the product formation, but also the temperature of the crystallization can shift their ratio in the solid state.

Graphical abstract: Iron β-diiminate complexes with As2-, As4- and As8-ligands

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Article information


Submitted
29 Jul 2020
Accepted
29 Sep 2020
First published
29 Sep 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Iron β-diiminate complexes with As2-, As4- and As8-ligands

F. Spitzer, G. Balázs, C. Graßl and M. Scheer, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC05173J

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