Facile Interconversion of [Cp2(Cl)Hf(SnH3)] and [Cp2(Cl)Hf(μ-H)SnH2]: DFT Investigations of Hafnocene Stannyl Complexes as Masked Stannylenes - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Angewandte Chemie International Edition Année : 2010

Facile Interconversion of [Cp2(Cl)Hf(SnH3)] and [Cp2(Cl)Hf(μ-H)SnH2]: DFT Investigations of Hafnocene Stannyl Complexes as Masked Stannylenes

Résumé

Sn two-step: Dehydrocoupling of stannanes by the d0 complex [Cp2(Cl)HfH] preferentially occurs by two successive reactions (see scheme): -bond metathesis to form [Cp2(Cl)Hf(SnH3)] and subsequent stannylene transfer into the Cp2(Cl)HfSnH3 bond. [Cp2(Cl)Hf(SnH3)] readily isomerizes to a species possessing a reactive stannylene unit, [Cp2(Cl)Hf(-H)SnH2], thus making the stannylene-transfer reaction energetically feasible.

Dates et versions

hal-00459000 , version 1 (23-02-2010)

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Julie Guihaume, Christophe Raynaud, Odile Eisenstein, Lionel Perrin, Laurent Maron, et al.. Facile Interconversion of [Cp2(Cl)Hf(SnH3)] and [Cp2(Cl)Hf(μ-H)SnH2]: DFT Investigations of Hafnocene Stannyl Complexes as Masked Stannylenes. Angewandte Chemie International Edition, 2010, 49 (10), pp.1816 - 1819. ⟨10.1002/anie.200906476⟩. ⟨hal-00459000⟩
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