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Updated: Nov 28, 2025
Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry
Published on: October 18, 2019
Efficient and selective alkene hydrosilation promoted by weak, double Si-H activation at an iron center
Patrick W Smith1, Yuyang Dong1, T Don Tilley1
1Department of Chemistry , University of California, Berkeley , Berkeley , California 94720-1460 , USA .
Abstract:
Cationic iron complexes [Cp*(iPr2MeP)FeH2SiHR]+, generated and characterized in solution, are very efficient catalysts for the hydrosilation of terminal alkenes and internal alkynes by primary silanes at low catalyst loading (0.1 mol%) and ambient temperature. These reactions yield only the corresponding secondary silane product, even with SiH4 as the substrate. Mechanistic experiments and DFT calculations indicate that the high rate of hydrosilation is associated with an inherently low barrier for dissociative silane exchange (product release).
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