Process for preparing alkoxysilanes

Details Process for preparing alkoxysilanes Process for preparing alkoxysilanes

1991-03-19

1992-04-07

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 704, C07F 718

Patent

active

051030349

ABSTRACT:
This invention relates to a process for preparing alkoxysilanes of the general formula (R.sup.2) .sub.a SiH(OR.sup.1).sub.b in which R.sup.1 is a lower alkyl group with 1 to 6 carbon atoms, R.sup.2 is an aliphatic or aromatic hydrocarbon radical with 1 to 8 carbon atoms, a is 0 or 1, and b is 2 or 3 by the reaction of metallic silicon, an alcohol, and an acetal and/or an orthocarboxylic acid ester in the presence of a copper catalyst and provides a novel process for preparing directly and advantageously alkoxysilanes having one hydrogen atom linked to the silicon atom, particularly alkyldialkoxysilanes and trialkoxysilanes.

REFERENCES:
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patent: 4288604 (1981-09-01), Magee et al.
patent: 4289889 (1981-09-01), Herdle et al.
patent: 4323690 (1982-04-01), Moutle et al.
patent: 4487949 (1984-12-01), Mallon
patent: 4762439 (1988-08-01), Mendicino
patent: 4931578 (1990-06-01), Ohta

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