Process for producing 1,1-dichloro-1-fluoroethane and/or 1-chlor

Details Process for producing 1,1-dichloro-1-fluoroethane and/or 1-chlor Process for producing 1,1-dichloro-1-fluoroethane and/or 1-chlor

1989-04-03

1990-10-09

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 1700

Patent

active

049622447

ABSTRACT:
1,1-Dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane are prepared from the liquid phase fluorination of 1,1,1-trichloroethane by HF in the presence of a homogenous catalyst. 1,1-Dichloro-1-fluoroethane or 1-chloro-1,1-difluoroethane are selectively produced substantially free of vinylidene chloride.

REFERENCES:
patent: 2894676 (1959-07-01), Prill
patent: 3833676 (1974-09-01), Ukaji et al.
patent: 4849555 (1989-07-01), Cheminal
Gutsche Fundamentals of Org. Chem. (1975), p. 182.
Chem. Abstract 93:185661c (1981), abstracting Grigor'ev et al., Izv. Akad. Nauk. SSR, Ser. Khim., 6, 1333-1336 (1980).
Henne et al., J. Am. Chem. Soc., 70, 758-760 (1945).

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