PRODUCTION OF 1,1,1 -TRIFLUORO-2,3-DICHLOROPROPANE (243BD) BY CATALYTIC CHLORINATION OF 3,3,3-TRIFLUOROPROPENE (1243ZF)

摘要

A process for preparing 1,1,1-trifluoro-2,3-dichloropropane (243db), which process comprises contacting 3,3,3-trifluoropropene (1243zf) with chlorine in the presence of a catalyst, wherein the catalyst comprises a transition metal and/or one or more compounds thereof, e.g. supported on alumina, and the use of the product of the process of the invention in the preparation of 2,3,3,3-tetrafluoropropene (1234yf).