The method for producing a fluorinated aromatic compound

The method of the fluorinated aromatic compound of the present invention relates to the production of Formula (I) A-F, the method comprising the steps of: A): The aqueous solution of the aromatic amino group of formula (II) compound with anhydrous HF in weight diazotizing agent nitriding; thereafter step b): from step a) thermal decomposition of the diazonium salt of formula (III) produced; wherein the variables are defined according to the instructions.