Preparation of alkoxysilanes by contacting a solution of hydroge

Details Preparation of alkoxysilanes by contacting a solution of hydroge Preparation of alkoxysilanes by contacting a solution of hydroge

1991-06-03

1993-01-05

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 704, C07F 718

Patent

active

051772345

ABSTRACT:
The present invention is a process for preparing alkoxysilanes by the contact of silicon with a solution of hydrogen fluoride in a liquid primary or secondary alcohol. The hydrogen fluoride activates the silicon causing the formation of alkoxysilanes to occur more rapidly and can provide selectivity for the production of dialkoxysilanes and trialkoxysilanes. The process may be run in the presence of copper or a copper compound as a catalyst. The process is advantageously run using atomized silicon.

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patent: 2473260 (1949-06-01), Rochow
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patent: 3505379 (1970-04-01), Bonitz
patent: 3641077 (1972-02-01), Rochow
patent: 3775457 (1973-11-01), Muraka
patent: 4701289 (1987-10-01), Liles
patent: 4727173 (1987-03-01), Medicino
patent: 4752647 (1988-06-01), Inaba et al.
patent: 4762939 (1988-08-01), Medicino

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