Preparation of 1,1,1,2-tetrafluorodichloroethane

Details Preparation of 1,1,1,2-tetrafluorodichloroethane Preparation of 1,1,1,2-tetrafluorodichloroethane

1989-01-30

1990-05-01

Moyer, Donald B.

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

Organic compounds

Halogen containing

C07C 1700, C07C 1704

Patent

active

049220381

ABSTRACT:
This invention provides for a process for the preparation of 1,1,1,2-tetrafluorodichloroethane (FC-114a) by reacting CF.sub.2 .dbd.CFCl in a polar aprotic solvent with a source of fluoride ion selected from at least one alkali metal fluoride and/or at least one tetraalkylammonium fluoride and with a source of chlorine selected from at least one of CCl.sub.4, CCl.sub.3 CCl.sub.3, and CCl.sub.3 CCl.sub.2 CCl.sub.3 at a temperature from about 25.degree. C. to about 150.degree. C.

REFERENCES:
patent: 3231519 (1966-01-01), Clark et al.
Vecchio et al., J. Flourine Chem., 4 (1974), pp. 117-139.
C. G. Krespan, J. of Organic Chemistry, 27, 1813 (1962).

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