Synthesis of 1-chloro-1, 1-difluoroethane

Details Synthesis of 1-chloro-1, 1-difluoroethane Synthesis of 1-chloro-1, 1-difluoroethane

1988-06-13

1989-07-18

Evans, J. E.

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

Organic compounds

Halogen containing

C07C 1720, C07C 1902

Patent

active

048495557

ABSTRACT:
The invention relates to a process for the manufacture of 1-chloro-1,1-difluoroethane in the liquid phase by reacting hydrofluoric acid with 1,1,1-trichloroethane and/or 1,1-dichloro-1-fluoroethane.
The selectively is improved by using a perfluoroalkanesulphonic acid, in particular trifluoromethanesulphonic acid, as a catalyst.

REFERENCES:
patent: 4374289 (1983-02-01), Van Der Puy et al.

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