Patent ID: 6291729
Filing Date: 2001-09-18
Classification: C07C

Abstract:
A process for the hydrogenolysis of 2,2-dichlorohexafluoropropane to 2,2-dihydrohexafluoropropane and 2-chloro-2-hydrohexafluoropropane which comprisesreacting said starting material with at least 0.5 moles of hydrogen per mole of CF.sub.3 CCl.sub.2 CF.sub.3 at a temperature of from about 100.degree. C. to 250.degree. C. in the presence of a catalyst containing a catalytically effective amount of palladium supported on a support selected from the group consisting of fluorinated alumina, aluminum fluoride and mixtures thereof to produce a three-carbon hydrogenolysis product from the hydrogenolysis of CF.sub.3 CCl.sub.2 CF.sub.3 that contains at least 90% of the fluorine atoms contained in the CF.sub.3 CCl.sub.2 CF.sub.3 reacted; wherein less than 5 mole percent of said product contains 5 fluorine substituents.