PROCESS FOR PREPARING 1,1,1,2,2-PENTAFLUORO-3,3- DICHLOROPROPANE AND 1,1-2,2,3-PENTAFLUORO-1,3- DICHLOROPROPANE

摘要

FIELD: chemistry of halohydrocarbons, in particular pentafluorodichloropropane solvents or semiproducts, in industrial organic synthesis. SUBSTANCE: the product: pentafluorodichloropropane. The agent 1: tetrafluoroethylene. Reagent 2: difluorochloromethane. Reagent 3: chloroform. Reaction conditions: in the presence of a Lewis acid catalyst at 0-120 C. EFFECT: greater efficiency of the process. 3 cl