Abstract
The reactions of the sterically demanding ferrocenyl lithium dimer (Fc*Li)2 (Fc* = 2,5-bis(3,5-di-t-butyl-phenyl)-1-ferrocenyl) with aluminum trihalides (AlCl3, AlBr3, and AlI3) to furnish the corresponding monomeric bis(ferrocenyl)haloalumanes are reported. In the case of the reaction with AlI3, an unexpected intramolecular 1,1'-aluminum migration in the ferrocenyl moiety was found to occur. Their monomeric structures with a tri-coordinated aluminum atom show affinitive Al⋯Fe interactions.
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