Process for the production of perfluorocarbonyl-sulphonic-acid fluorides and the fluorosulphatoperfluoroalkane-sulphonic-acid halogenides resulting therefrom as intermediates

摘要

A fluorosulfatoperfluoroalkanesulfonic acid halide of the formula IMAGE wherein Rf is F or perfluoroalkyl having 1-10 carbon atoms, X is Cl or F, and n is a number from 0 to 7.