Preparation of polyfluorobutenes

Details Preparation of polyfluorobutenes Preparation of polyfluorobutenes

1992-01-21

1992-09-08

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 1720

Patent

active

051460190

ABSTRACT:
1,1,1,2,4,4,4-Heptafluoro-2-butene and 2-chloro-1,1,1,4,4,4,-hexafluoro-2-butene are prepared simultaneously by reacting hexachlorobutadiene with hydrogen fluoride with the addition of catalytic amounts of titanium halide, antimony trihalide and/or antoimony pentahalide.

REFERENCES:
patent: 2436357 (1945-05-01), Gochenour et al.
patent: 2449233 (1948-09-01), Kischitz et al.
patent: 3149170 (1964-09-01), Clark et al.
patent: 3287425 (1966-11-01), Maynard et al.
Perfluoro-2-butyne and its Hydrogenation Products by Albert L. Henne and William G. Finnegan vol. 71 pp. 298-300 in Journal of American Chemical society.
Babcock et al. Natl. Nuclear Energy Ser., Div. VII, A, Prepn., Properties, and Technol. of Fluorine and Org. Fluoro, Compds., 816-22 (1951).

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