Process for preparing pentafluorodichloropropanes

Details Process for preparing pentafluorodichloropropanes Process for preparing pentafluorodichloropropanes

1991-12-23

1993-02-09

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 1908

Patent

active

051854830

ABSTRACT:
1,1,1,2,2-Pentafluoro-3,3-dichloropropane and 1,1,2,2,3-pentafluoro-1,3-dichloropropane are prepared in pure forms by reacting dichlorofluoromethane and tetrafluoroethylene, or chloroform, difluorochloromethane and tetrafluoroethylene in the presence of a catalyst comprising a halogenated zirconium of the formula:

REFERENCES:
patent: 2462402 (1949-02-01), Joyce
Synthesis of Chlorofluoropropanes, Mar. 1949, pp. 979-980, vol. 71, by Coffman et al.
Collection Czechoslov. Chem. Commun., vol. 36, 1971, pp. 1867-1875, by Paleta et al., "Addition Reactions of Haloolefins. XI".

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