METHOD OF PREPARING POLYFLUOROOLEFINS, FLUORINE-1- ETHYLCYCLOPENTENE AND PERFLUORO-2,3-DICHLOHEX-2-ENE OR PERFLUORO-4,5-DICHLOROOCT-4-ENE

摘要

FIELD: chemical industry. SUBSTANCE: present invention describes method of preparing polyfluoroolefins by catalytic addition of polyfluoroallyl fluorides to fluoroethylenes. Addition products such as fluoropentene-2 and fluorheptene-3 in 1:1 and 1:2 ratio may be formed selectively and subsequently reduced to dihydro- or trihydropolyfluoralkanes which are useful fluorohydrocarbon cleaning agents. EFFECT: more efficient preparation method. 31 cl, 1 tbl