Patent ID: 6727375
Filing Date: 2004-04-27
Classification: C07F

Abstract:
A process for preparing halogen-free trialkoxysilanes, said process comprisingreacting silicon with an alcohol having 1 to 6 carbon atoms in an inert solvent in the presence of a copper catalyst, wherein said copper catalyst comprises at least one copper alkoxide having 1 to 6 carbon atoms or copper carboxylate of the formula Cu(RCCO)xOHy, where x is 1 or 2, y is 0 or 1, x+y=2, wherein R is alkyl, alkyenyl or aryl, and said one or more halogen-free trialkoxysilanes are of formula I (RO)3SiHâ€ƒâ€ƒ(I) where R is an alkyl group having from 1 to 6 carbon atoms.