Abstract
Different substituents at the beta -diiminato ligand in low-valent [LFe(tol)] (L = beta -diiminato) complexes fundamentally change their reactivity towards yellow arsenic. By using dmp (2,6-dimethylphenyl) as flanking groups, the tetranuclear complexes [(LFe)(4)As-8] (L = L-1 (1), L-2 (2)) are isolated. For dipp (2,6-diisopropylphenyl) substituted ligands, dinuclear complexes ...
Abstract
Different substituents at the beta -diiminato ligand in low-valent [LFe(tol)] (L = beta -diiminato) complexes fundamentally change their reactivity towards yellow arsenic. By using dmp (2,6-dimethylphenyl) as flanking groups, the tetranuclear complexes [(LFe)(4)As-8] (L = L-1 (1), L-2 (2)) are isolated. For dipp (2,6-diisopropylphenyl) substituted ligands, dinuclear complexes [(LFe)(2)(cyclo-As-4)] (L = L-3 (3a), L-4 (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.
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