2,4二氯氟苯的合成

Synthesis of 2,4Dichlorofluorobenzene

以对氯硝基苯为原料经催化氯化、氟化、热氯化三步反应制备２，４二氯氟苯，总收率可达７３％．该法安全性高、成本低、适合于工业化生产．

Dichlorofluorobenzene is prepared from pchloronitrobenzene by catalyic chlorination,fluorination and thermic chlorination, the total yield is 73%. The process is safe,low cost and appropriate to large scale production.