Abstract
The metathesis reaction of the magnesium complex [(dpp-BIAN)2−Mg2+(THF)3] (dpp-BIAN is 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene) with one equivalent of AlCl3 in toluene gave the [(dpp-BIAN)2−AlCl2]−[Mg2Cl3(THF)6]+ complex (1). Reduction of dpp-BIAN with aluminum metal in the presence of AlCl3 and AlI3 in toluene and diethyl ether afforded the radical-anionic complex [(dpp-BIAN)−AlCl2] (2) and the dianionic complexes [(dpp-BIAN)2−AlI(Et2O)] (3) and [(dpp-BIAN)2−AlCl(Et2O)] (4), respectively. Compounds 1–4 were isolated in the crystalline state and characterized by IR spectroscopy and elemental analysis. The structures of compounds 1–3 were established by X-ray diffraction. Compound 2 was characterized by ESR spectroscopy. Compounds 3 and 4 were studied by 1H and 13C NMR spectroscopy.
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