C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/107 (2006.01) B01J 31/12 (2006.01) C07F 7/08 (2006.01) C07F 7/12 (2006.01)
Patent
CA 2084245
SODIUM BOROHYDRIDE CATALYZED DISPROPORTIONATION OF CYCLOORGANOSILANES ABSTRACT The present invention is a process for the disproportionation of cycloorganosilanes using sodium borohydride as a catalyst. The process requires the presence of a hydrogen and a cycloorgano-substituent bonded to a single silicon atom, where the cycloorgano-substituent is a radical selected from a group consisting of aryls, substituted aryls, cycloalkyls and substituted cycloalkyls. The present process is especially useful as a continuous process for the disproportionation of phenyldichlorosilane to diphenyldichlorosilane and dichlorosilane.
Dow Corning Corporation
Gowling Lafleur Henderson Llp
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