Synthesis of chloromethyldisilanes

Details Synthesis of chloromethyldisilanes Synthesis of chloromethyldisilanes

1979-11-07

1981-09-15

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708, C07F 716, C07F 714, C07F 712

Patent

active

042898900

ABSTRACT:
1,2 Dichloro-1,1,2,2-tetramethyldisilane is synthesized in high yield and good purity starting from a crude mixture of chloromethyldisilanes formed as by-products in the manufacture of silicones. The new method uses less than half as much Grignard reagent as previous methods required. The synthesis can also be used to produce other haloalkyldisilanes such as chloropentamethyldisilane or 1,1,2 trichloro-1,2,2-trimethyldisilane.

REFERENCES:
patent: 2598435 (1952-05-01), Mohler et al.
patent: 4059607 (1977-11-01), Reedy et al.
patent: 4059608 (1977-11-01), Calas et al.

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