【摘要】 ２，４－二氯氟苯是喹诺酮类抗菌剂的重要合成中间体，本文报道一新合成法，以邻、对－位混合二氯苯为起始原料，经硝化、氟化和氯化三步反应制得。更多还原

【Abstract】 This paper reports a new synthetic method of 2,4-dichlorofluorobenzene,an important intermediate of quinolones antibacterial agents,from the mixture of o-and p-dichlorobenzene by 3 steps──nitration,fluoration and chloration.更多还原