Selective hydrogenolysis of perhalogenated ethane derivatives

Details Selective hydrogenolysis of perhalogenated ethane derivatives Selective hydrogenolysis of perhalogenated ethane derivatives

1989-12-20

1991-10-01

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 1908

Patent

active

050535641

ABSTRACT:
The invention relates to the manufacture of chlorofluoroethanes of formula CF.sub.3 --CHF.sub.x Cl.sub.2-x, where x is equal to 0 or 1, by the catalytic hydrogenation of a perhaloethane of formula: CF.sub.3 --CF.sub.x Cl.sub.3-x. The use of a ruthenium-based catalyst deposited on a support enables the selectivity to be improved.

REFERENCES:
patent: 3636173 (1972-01-01), Gardner
patent: 4873381 (1989-10-01), Kellner et al.

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