Patent ID: 6376705
Filing Date: 2002-04-23
Classification: C07C

Abstract:
A process for the production of a 3,3,4,4-tetrahydroperfluoroalkanoate, consisting of contacting at about 25Â° C. to about 150Â° C. in a liquid medium, iron, a first compound of the formula R1CH&boxH;CH2, and a second compound of the formula Br(R2)CFY wherein:R1 is perfluoroalkyl containing 1 to 30 carbon atoms; R2 is fluorine or perfluoroalkyl; Y is â€”CN, CO2H, â€”CO2R3, or â€”C(O)NR42; R3 is hydrocarbyl or substituted hydrocarbyl; and each R4 is independently hydrogen, hydrocarbyl or substituted hydrocarbyl.