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  • Title: Synthesis and structure of a carbene-stabilized boraallene coordinated to rhodium.
    Author: Braunschweig H, Ye Q, Radacki K.
    Journal: Inorg Chem; 2013 May 20; 52(10):5639-41. PubMed ID: 23631599.
    Abstract:
    Reaction of the (B,C-η(2))-1-aza-2-borabutatriene rhodium complex 1 with 1,3-dimethylimidazol-2-ylidene) (IMe, 2) afforded the N-heterocyclic carbene-stabilized (C,C-η(2))-1-boraallene rhodium complex 3, which has been characterized in solution and by X-ray crystallography. Density functional theory calculations were carried out to elucidate the observed base-induced B-C to C-C coordination mode shift, which suggested that the latter is 25 kJ/mol lower in energy.
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