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Article Dans Une Revue Angewandte Chemie International Edition Année : 2022

Metal‐Free Catalytic Hydrogenolysis of Silyl Triflates and Halides into Hydrosilanes

Résumé

The metal-free catalytic hydrogenolysis of silyl triflates and halides (I, Br) to hydrosilanes is unlocked by using arylborane Lewis acids as catalysts. In the presence of a nitrogen base, the catalyst acts as a Frustrated Lewis Pair (FLP) able to split H2 and generate a boron hydride intermediate capable of reducing (pseudo)halosilanes. This metal-free organocatalytic system is competitive with metal-based catalysts and enables the formation of a variety of hydrosilanes at room temperature in high yields (>85 %) under a low pressure of H2 (≤10 bar)
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Dates et versions

hal-04097568 , version 1 (15-05-2023)

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Gabriel Durin, Albane Fontaine, Jean‐claude Berthet, Emmanuel Nicolas, Pierre Thuéry, et al.. Metal‐Free Catalytic Hydrogenolysis of Silyl Triflates and Halides into Hydrosilanes. Angewandte Chemie International Edition, 2022, 61 (23), pp.e202200911. ⟨10.1002/anie.202200911⟩. ⟨hal-04097568⟩
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