Method for the preparation of methyl hydrogensilanes

Details Method for the preparation of methyl hydrogensilanes Method for the preparation of methyl hydrogensilanes

1983-04-04

1984-07-24

Shaver, Paul F.

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

Organic compounds

Silicon containing

556468, C07F 708

Patent

active

044619081

ABSTRACT:
The invention provides a novel and efficient method for the preparation of methyl hydrogensilanes, e.g. dimethyl silane, 1,1,2,2-tetramethyl disilane and 1,1,2,2,3,3-hexamethyl trisilane, with large demand in the industry of silicones as an intermediate for the synthesis of other valuable organosilicon compounds such as methyl hydrogenchlorosilanes. The inventive method comprises pyrolysis of a methyl polysilane composed of at least 60% by moles of dimethylsilicon units, the balance being monomethyl- and trimethylsilicon units, at a temperature in the range from 350.degree. to 800.degree. C.

REFERENCES:
patent: 2513123 (1950-06-01), Wagner
patent: 2598434 (1952-05-01), Mohler et al.
patent: 2598435 (1952-05-01), Mohler et al.
patent: 4079071 (1978-03-01), Neale
"J. Am. Chem. Soc.", 101, No. 18, pp. 5427-5428, 1979.

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