The present invention relates to an improved process for preparing ring-fluorinated aromatics of the general formula (I)
by a halogen exchange reaction (halex reaction) of a plurality of halogen substituents in one stage in the presence of a catalyst.
本发明涉及一种改进的工艺,用于在催化剂存在的情况下通过卤素交换反应(哈莱克斯反应)在一个阶段中处理多个卤素取代基,以制备一般式(I)的环
氟芳香化合物。