Patent ID: 8058486
Filing Date: 2011-11-15
Classification: C01B,C07C,Y02P

Abstract:
1. A method for preparing 2,3,3,3-tetrafluoroprop-1-ene comprising: a. providing a starting composition comprising at least one compound having a structure selected from Formulae I, II and III: b. contacting said starting composition with a first fluorinating agent to produce a first intermediate composition comprising 2-chloro-3,3,3-trifluoropropene and a first chlorine-containing byproduct; c. contacting said first intermediate composition with a second fluorinating agent to produce a second intermediate composition comprising 2-chloro-1,1,1,2-tetrafluoropropane; and d. dehydrochlorinating at least a portion of said 2-chloro-1,1,1,2-tetrafluoropropane to produce a reaction product comprising 2,3,3,3-tetrafluoroprop-1-ene and a second chlorine-containing byproduct.