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Issue 44, 2010
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Catalytic hydrosilylation of olefins with organolanthanides: a DFT study. Part I: Hydrosilylation of propene by SiH4

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Abstract

Investigation of the catalytic hydrosilylation of propene by primary silane in the presence of Cp2SmH has been carried out using DFT calculations. Using SiH4 as a model, it is shown that a catalytic cycle based on the hydride complex is unlikely. The activation of silane after insertion of propene is not competitive compared to the allylic activation of propene or the silyl formation. An alternative catalytic cycle, based on a silyl complex, is proposed. This alternative pathway accounts for the experimental observation. The allylic activation of propene is shown to be one of the main routes for the catalyst deactivation.

Graphical abstract: Catalytic hydrosilylation of olefins with organolanthanides: a DFT study. Part I: Hydrosilylation of propene by SiH4

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Publication details

The article was received on 19 Apr 2010, accepted on 16 Jul 2010 and first published on 08 Oct 2010


Article type: Paper
DOI: 10.1039/C0DT00329H
Citation: Dalton Trans., 2010,39, 10749-10756

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    Catalytic hydrosilylation of olefins with organolanthanides: a DFT study. Part I: Hydrosilylation of propene by SiH4

    N. Barros, O. Eisenstein and L. Maron, Dalton Trans., 2010, 39, 10749
    DOI: 10.1039/C0DT00329H

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