Preparation of 1,2-tetramethyldichloro-disilane from hexamethyld

Details Preparation of 1,2-tetramethyldichloro-disilane from hexamethyld Preparation of 1,2-tetramethyldichloro-disilane from hexamethyld

1980-07-28

1981-05-05

Shaver, Paul F.

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

Organic compounds

Silicon containing

556469, C07F 708

Patent

active

042660688

ABSTRACT:
An improved process for producing tetramethyldisilane by Lewis acid catalyzed redistribution of hexamethyldisilane with a crude mixture of methylchlorodisilane which comprises the distillation of the mixed redistributed product with collection of a middle distillate cut containing at least 95% pure tetramethyldichlorodisilane.

REFERENCES:
patent: 3398177 (1968-08-01), Stewart
patent: 3399223 (1968-08-01), Atwell et al.
"Monatshefte fur Chemie", 105, pp. 671-683, 1974.
"J. Organomet. Chem.", 7, pp. 15-16, 1967.
"Redistribution of Organo Chlorosilanes", Advances in Chemistry Series, 23, 1959.
"Bull. Chem. Soc., Japan", 39, No. 8, p. 1820, 1966.
"Tetrahedron Letters", 45, pp. 5493-5497, 1966.

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