Patent ID: 6150565
Filing Date: 2000-11-21
Classification: C07C

Abstract:
A process for making diiodofluorinated compounds of the formula ICF.sub.2 (A).sub.n I; wherein n is 1, A is CH.sub.2 CHR.sub.F and R.sub.F is a perfluoroalkyl group containing 1 to 20 carbon atoms or a perfluorinated polyether group containing from 2 to 20 carbon atoms wherein one or more of the fluorines of said perfluoroalkyl or perfluorinated polyether group is optionally replaced by a substituent selected from the group consisting of chlorine, bromine, iodine, sulfonyl fluoride, nitrile, ester, acyl chloride and acyl fluoride, comprising:reacting an olefin of the formula CH.sub.2 .dbd.CHR.sub.F with CF.sub.2 I.sub.2 at a temperature in the range of from about 120.degree. C. to 240.degree. C.