Method of preparing 2-chloroethyldichlorosilanes

Details Method of preparing 2-chloroethyldichlorosilanes Method of preparing 2-chloroethyldichlorosilanes

1984-08-27

1986-02-18

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708, C07F 712, C07F 716

Patent

active

045714274

ABSTRACT:
A method for the preparation of 2-chloroethyldichlorosilanes by the reaction of vinyldichlorosilanes with hydrogen chloride in the presence of ferric chloride or tantalum chloride is disclosed. In the presence of these anhydrous metal chlorides, this reaction can be performed in the temperature range between 30.degree. and 90.degree. C., without the formation to any appreciable extent of methyl or ethyl trichlorosilane or other cleavage products. The end products obtained can also be easily separated from the byproducts by vacuum distillation without the need to resort to additional measures. The vacuum distillation can also be performed in the presence of the metal chlorides.

REFERENCES:
patent: 3801614 (1974-04-01), Lohmann et al.
patent: 4049690 (1977-09-01), Seiler et al.
patent: 4405804 (1983-09-01), John et al.

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