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Creators/Authors contains: "Fasulo, Meg"

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  1. A cationic nickel complex of the bis(8-quinolyl)(3,5-di- tert -butylphenoxy)phosphine (NPN) ligand, [(NPN)NiCl] + , is a precursor to efficient catalysts for the hydrosilation of alkenes with a variety of hydrosilanes under mild conditions and low catalyst loadings. DFT studies reveal the presence of two coupled catalytic cycles based on [(NPN)NiH] + and [(NPN)NiSiR 3 ] + active species, with the latter being more efficient for producing the product. The preferred silyl-based catalysis is not due to a more facile insertion of alkene into the Ni–Si ( vs. Ni–H) bond, but by consistent and efficient conversions of the hydride to the silyl complex. 
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