Abstract
The protonolysis of Cp3Ln with 1 equivalent of LH2 (LH2 = Me2NCH2CH2CH2N{CH2-(3,5-tBu2-C6H2-2-OH)}2) or salt metathesis of anhydrous LnCl3 with 1 equivalent of LNa2 and 1 equivalent of CpNa in THF afforded heteroleptic aminobis(phenolate) lanthanocene complexes of LLnCp(THF)2 (Ln = Sm(1), Er(2), Yb(3)) in good yields. Complexes 1–3 were characterized by infrared spectra, elemental analyses, and X-ray crystallography. The structural analysis indicated that the L2– ligand in each of these complexes adopt an O,N,O-tridentate coordination mode.
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