Process for chlorofluoropropanes

Details Process for chlorofluoropropanes Process for chlorofluoropropanes

1991-04-05

1992-10-20

Mars, Howard T.

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

Organic compounds

Halogen containing

570172, 570175, C07C 1728, C07C 1700

Patent

active

051571714

ABSTRACT:
A process for the preparation of chlorofluoropropanes of the formula C.sub.3 HCl.sub.2 F.sub.5 by contacting monofluorodichloromethane with tetrafluoroethylene in the presence of a modified aluminum chloride catalyst at a temperature of 0.degree. to 150.degree. C. The novel compound CF.sub.3 CCl.sub.2 CHF.sub.2 is also disclosed.

REFERENCES:
patent: 2462402 (1949-02-01), Joyce
patent: 3087974 (1963-04-01), Hauptschein et al.
patent: 3398202 (1968-08-01), Foulletier
patent: 4902838 (1990-02-01), Manzer et al.
Orchem RD-70-398, "Chlorofluorination I. Chlorofluorination of Propylene and Isopropylfluoride", D. M. Crouse (1970).
Paleta et al., Coll. Czech. Chem. Comm., vol. 35, pp. 1867-1875 (1971).
Coffman et al., The Journal of the American Chemical Society, vol. 71, pp. 979-980 (1949).

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