3 ch 2 cf 2 cl and 20 3 cf 3 ch 2 cfcl 2 corresponding to a yield for cf 3 ch 2 cf 2 cl of 65 the crude products from examples 3 and 4 were combined and distilled to give 99 4 pure gc cf 3 ch 2 cf 2 cl bp 27 u00b0 30 u00b0 c 1h nmr cdcl 3 u03b43 2 tq j 9 and 12 hz reduction of cf 3 ch 2 cf 2 cl at 200 u00b0 c the reactor used in this example consisted of an electrically heated glass column containing a catalyst bed comprised of a mixture of 10 cc 1 pd on activated carbon 4 8 mesh and 15 cc glass helices hydrogen was passed over the catalyst at 140 cc min and cf 3 ch 2 cf 2 cl was introduced at a rate of 2 25 g h the reaction temperature was 200 u00b0 c the material exiting the reactor was collected in a cold trap and consisted of approximately 1 3 cf 3 ch 2 cf 2 h and 2 3 unreacted cf 3 ch 2 cf 2 cl by gc analysis reduction of cf 3 ch 2 cf 2 cl at 225 u00b0 c example 4 was repeated except that the reaction temperature was increased to 225 u00b0 c the volatile material which collected in the cold trap consisted by gc analysis.