Patent ID: 6207869
Filing Date: 2001-03-27
Classification: B01J,C07C

Abstract:
A perhalofluorobutane or perhalofluorohexane product made by a process which comprises:(i) contactinga) CYF=CF.sub.2, wherein Y is Cl or F, withb) a perhalofluoroethane selected from the group consisting of CX.sub.2 FCX.sub.2 F, CX.sub.2 FCFXF.sub.2, CF.sub.3 CX.sub.2 F, and CBrF.sub.2 CF.sub.2 X, wherein X is either Cl or Br, in the presence ofc) a catalytically effective polyvalent metal halide at a temperature and pressure and for a time effective to produced) a reaction product mixture containing at least one perhalofluorobutane selected from the group consisting of C.sub.4 YX.sub.4 F.sub.5, C.sub.4 YX.sub.3 F.sub.6, C.sub.4 BrYXF.sub.7, and C.sub.4 YX.sub.2 F.sub.7, or perhalofluorohexane selected from the group consisting of C.sub.6 X.sub.4 Y.sub.2 F.sub.8 and C.sub.6 ClX.sub.4 Y.sub.2 F.sub.7 wherein X is as defined above; and(ii) recovering at least one of said perhalofluorobutanes or perhalofluorohexanes from the reaction mixture.