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Transmetalation Reactions of a Scandium Complex Supported by a Ferrocene Diamide Ligand

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journal contribution
posted on 2011-02-07, 00:00 authored by Wenliang Huang, Colin T. Carver, Paula L. Diaconescu
Efforts to transfer to aluminum the heterocyclic ligand of a ring-opened imidazole scandium complex, which was previously reported, are presented. A ring-opened imidazole aluminum compound was formed at 50 °C and characterized as a trialuminum complex. At high temperature (85 °C), the formation of an unusual scandium/aluminum methylidene was observed. The reaction products were characterized by standard spectroscopic techniques and X-ray crystallography. Density functional theory calculations were used to understand the electronic structure of the scandium/aluminum methylidene complex.