Production of organosilanes from polysilanes

Details Production of organosilanes from polysilanes Production of organosilanes from polysilanes

1992-04-03

1992-12-29

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708

Patent

active

051753294

ABSTRACT:
The present invention is a process for the production of organosilanes from the high-boiling residue resulting from the reaction of organohalides with silicon metalloid in a process typically referred to as the "direct process." The present process comprises forming a mixture comprising a organotrihalosilane and the high-boiling residue in the presence of hydrogen gas, a hydrogenolysis catalyst, and a redistribution catalyst. The organotrihalosilane and high-boiling residue are converted into commercially useful di- and triorganosilanes and organohydrosilanes. The present process results in consumption of the organotrihalosilane rather than the net increase which typically occurs in the absence of the redistribution catalyst.

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Lewis, Selective Hydrogenolysis of Methylchlorodisilanes using Rhenium-Containing Catalysts. At Preliminary Abstract Inorganic Presentation No. 52, ACS Meeting, San Francisco, Calif., Apr. 5, 1992.

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