This paper reports a technological method of synthesizing 2,4-difluorobiphenylstarting with 2,4-dinitrochlorobenzene through amihation,Gomberg condensation,nitro reductionand Schimann reaction.

• 本文报道了以2，4-二硝基氯苯为原料，经氨解、冈伯格联芳基缩合、硝基还原、希曼反应生成2，4-二氟联苯的合成工艺路线。