Patent ID: 8530666

Claim:
Process for the production of trifluoromethylated unsubstituted or C 3 -C 9 -alkyl, alkoxy, acyl, cyano, halogen or haloalkyl substituted aryl or heteroaryl compounds which comprises reacting an unsubstituted or C 3 -C 9 -alkyl, alkoxy, acyl, cyano, halogen or haloalkyl substituted aryl or heteroaryl halide with a trifluoroacetate of formula (I) or (II), wherein R 1 is hydrogen or a C 1 -C 5 alkyl group and M is an alkali metal or an ammonium ion, in the presence of an inorganic halogenide salt or a trifluoroacetic acid salt as activator compound and a catalytic combination of a copper salt with a monodentate, bidentate or tridentate aromatic or aliphatic amine or pyridine ligand.