| abstract |
Abstract of the disclosure A process for preparing trifluoromethylanilines of the formula (I), (I) in which R1 and R2, independently of each other, are hydrogen, halogen, (C1-C4)alkyl, hydroxyl, alkoxy, alkylthio, carboxyl, or a nitro or cyano group, by reacting compounds of the formula (II) (II) in which X1, X2 and X3 are in each case, identically or differently, halogen atoms, a is 0 or 1, Y is fluorine, chlorine or bromine, and R1 and R2 have the defined meaning, with anhydrous hydrofluoric acid, and converting the resulting aniline hydrofluorides with a base into the free amines. |