C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/12 (2006.01) C07F 7/08 (2006.01)
Patent
CA 2279739
The invention relates to a process for the preparation of silanes of the general formula 1 R m R1 n S1X 4-m-n (1) by reaction of Grignard reagents of the general formula 2 R1MgX1 (2) with silanes of the general formula 3 R m SIX 4-m (3) wherein R denotes C1- to C10-hydrocarbon radicals optionally substituted by fluorine, chlorine or cyano radicals, R1, in the .alpha.-position relative to the silicon atom, denotes tertiary C4- to C30-hydrocarbon radicals optionally substituted by fluorine, chlorine or cyano radicals, X and X1 each denote chlorine, bromine or iodine, m denotes the values 2 or 3 and n denotes the values 1 or 2, in the presence of a transition metal catalyst and an inert, aprotic, and chelating compound.
Abele Bors Cajus
Winterfeld Joern
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Wacker-Chemie Gmbh
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