Method of selective reduction of polyhalosilanes with alkyltin h

Details Method of selective reduction of polyhalosilanes with alkyltin h Method of selective reduction of polyhalosilanes with alkyltin h

1987-07-27

1989-03-21

Shaver, Paul F.

Chemistry of inorganic compounds

Silicon or compound thereof

Halogen containing

423347, 556474, C01B 3308, C01B 3304

Patent

active

048141550

ABSTRACT:
The invention relates to the selective and stepwise reduction of polyhalosilanes by reacting at room temperature or below with alkyltin hydrides without the use of free radical intermediates. Alkyltin hydrides selectively and stepwise reduce the Si--Br, Si--Cl, or Si--I bonds while leaving intact any Si--F bonds. When two or more different halogens are present on the polyhalosilane, the halogen with the highest atomic weight is preferentially reduced.

REFERENCES:
patent: 3043857 (1962-07-01), Jenkner
patent: 3378344 (1968-04-01), Horn et al.
"Chemical Abstracts", 97, 14119K, 1982.
"Chemical Abstracts", 101, 130803d, 1984.
"Chemical Abstracts", 11th Collective Index, Formula Index, p. 177F.

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