METHOD OF PRODUCING METHANESULFONAMIDE OF 5-(2-CHLORO-4-TRIFLUOROMETHYLPHENOXY) - 2 -NITROBENZOIC ACID

摘要

Process for the preparation of phenoxybenzoic acid derivatives containing a sulphonamide group, by reacting an appropriate phenoxy benzoic acid halide with a sulphonamide in the absence of an acid acceptor and with elimination of hydrohalic acid in the gaseous form.