Boratabenzene Derivatives of Divalent Samarium: Syntheses, Structures and Catalytic Reactivities of (C<sub>5</sub>H<sub>5</sub>BXPh<sub>2</sub>)<sub>2</sub>Sm(THF)<sub>2</sub> (X = N, P)
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The preparation and characterization of the complexes (C5H5BXPh2)2Sm(THF)2 (X = N (1), P (2)), the first boratabenzene derivatives of a divalent lanthanide metal, are reported. Their solid-state structures display different structural features arising from the different degrees of B−X π interactions. Complexes 1 and 2 initiate the polymerization of methyl methacrylate (MMA) to a highly syndiotactic and atactic PMMA, respectively.
创建时间：
2007-12-17
