Halogenated aromatics are prepared by heating halogenoformic acid esters to 80.degree. to 280.degree. C. in the presence of hydrogen fluoride or a catalytic amount of one or more Lewis acids from the group comprising aluminium halides, iron halides and antimony halides, and in the liquid phase.
卤代
芳香烃是通过在
氢氟酸或铝卤化物、
铁卤化物和
锑卤化物等Lewis酸催化剂的存在下,在液相中将卤代
甲酸酯加热至80℃至280℃制备的。