Hydrosilylation of 1-alkenes with dichlorosilane

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Out, Gerardus J.J. and Klok, Harm-Anton and Schwegler, Leonore and Frey, Holger and Möller, Martin (1995) Hydrosilylation of 1-alkenes with dichlorosilane. Macromolecular Chemistry and Physics, 196 (1). pp. 185-194. ISSN 1022-1352

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Abstract:Symmetrically and unsymmetrically substituted diorganodichlorosilanes have been prepared by hydrosilylation with dichlorosilane using two different platinum catalysts, i.e., hexachloroplatinic acid (Speier's catalyst) and a platinum cyclovinylmethylsiloxane complex. Hydrosilylation of unsubstituted 1-alkenes proved to be very efficient, yielding anti-Markonikov substituted di-n-alkyldichlorosilanes. However, no reaction was observed when electron-deficient 1-alkenes were used. Octacarbonyldicobalt enabled formation of the monoadduct of 1H,1H,2H-perfluoro-1-hexene with dichlorosilane, which was employed in a second hydrosilylation of the olefin. Thus, the anti-Markovnikov diadduct was obtained in 40% overall yield. The two-step synthesis has also been applied successfully to obtain unsymmetrically substituted diorganodichlorosilanes containing nitrile and ether groups.
Item Type:Article
Copyright:© 1995 Wiley InterScience
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Link to this item:http://purl.utwente.nl/publications/71211
Official URL:http://dx.doi.org/10.1002/macp.1995.021960112
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Metis ID: 106130