| abstract |
Di- and trialkylsilanes of the general formula (I) RaR <1> R <2> bSiXc are prepared by mono- and dialkylsilanes of the general formula (II) R <1> R <2> bSiHaXc with alkenes A with at least 4 carbon atoms, which are optionally substituted with fluorine, chlorine, bromine atoms or cyano groups, in the presence of transition metal catalyst and hydrocarbon as an activator which has at least one functional group which is selected from aldehyde, keto and epoxy group and halogen atoms, in which the above general formulas (I) and (II) R, R <1>, R <2>, X, a, b and c have the meanings listed in claim 1. |