Patent ID: 8044252
Filing Date: 2011-10-25
Classification: B01J,C07C

Abstract:
1. A process comprising: contacting a starting material comprising 1,2,3,3,3-pentafluoropropene with a catalyst supported on AlF 3 or carbon, wherein said catalyst is selected from the group consisting of SbCl w F 5-w , TiCl x F 4-x , SnCl y F 4-y and TaCl z F 5-z wherein w is from 0 to 4, x is from 0 to 3, y is from 0 to 3, z is from 0 to 4, to obtain a product wherein the Z/E ratio of 1,2,3,3,3-pentafluoropropene is increased relative to the Z/E ratio of 1,2,3,3,3-pentafluoropropene in said starting material.