Process for synthesizing organo-tin compounds

Details Process for synthesizing organo-tin compounds Process for synthesizing organo-tin compounds

1976-04-07

1977-08-09

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 722

Patent

active

040410609

ABSTRACT:
This invention relates to a process for synthesizing organo-tin halides by reacting an organic halide of the formula RX wherein R represents an organic, preferably alkyl or aryl radical whereas X represents halogen, with a finely divided solid alloy, consisting of tin and a catalyst of the class consisting of copper, gold and silver, so as to form a compound of the formula R.sub.n Sn X.sub.4.sub.-n wherein R and X have the meanings indicated here-above and n represents an integer equal to 1, 2 or 3 wherein any contact of alloy particles with one another is avoided by separating said particles in a fluidized bed by means of a fluid comprising said organic halide, by admixing refractory particles to the alloy particles and by stirring thoroughly the fluidized bed.
The products made according to the invention are particularly useful for stabilizing chlorinated organic materials.

REFERENCES:
patent: 2625559 (1953-01-01), Smith
patent: 2679505 (1954-05-01), Weinberg
patent: 2679506 (1954-05-01), Rochow
Smith et al., J.A.C.S. V75, pp. 4103-4106, (1953).

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