Process for reducing the fluorine content of halocarbons

Details Process for reducing the fluorine content of halocarbons Process for reducing the fluorine content of halocarbons

1993-11-05

1994-09-06

Siegel, alan

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

Organic compounds

Halogen containing

570163, 570170, C07C 1734, C07C 1908

Patent

active

053450175

ABSTRACT:
The fluorine content of an acyclic saturated compound of the formula C.sub.n F.sub.a X.sub.b having at least one carbon with at least two fluorine substituents (wherein each X is independently selected from Cl and Br, and wherein n is 1 to 4, a is 2 to 10, b is 0 to 8, and a+b equals 2n+2) is reduced by reacting the acyclic saturated compound with HCl in the vapor phase at an elevated temperature in the presence of a catalyst, the mole ratio of HCl to the acyclic saturated compound being at least about 2:1.

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Vecchio et al., J. Fluorine Chemistry, 4, 117-139, 1974.

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