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Title: Efficient and selective alkene hydrosilation promoted by weak, double Si–H activation at an iron center
Cationic iron complexes [Cp*( i Pr 2 MeP)FeH 2 SiHR] + , 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 SiH 4 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).  more » « less
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Date Published:
Journal Name:
Chemical Science
Page Range / eLocation ID:
7070 to 7075
Medium: X
Sponsoring Org:
National Science Foundation
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