Method for the production of 1,3,5-trifluoro-2,4,6-trichlorobenzene from fluorobenzene derivatives
申请人:BASF Aktiengesellschaft
公开号:US07595426B2
公开(公告)日:2009-09-29
Method for the production of 1,3,5-trifluoro-2,4,6-trichlorobenzene from fluorobenzene comprising steps A) and B): A) chlorination of fluorobenzene derivatives of formula (II), in which X=fluorine of H, Z=nitro, bromo or chloro and n=0 or 1-4 and B) fluorination of the distillation residue and separation by distillation of the 1,3,5-trifluoro-2,4,6-trichlorobenzene thus produced.
从氟苯制备1,3,5-三氟-2,4,6-三氯苯的方法,包括步骤A和B:A)氟苯衍生物的氯化,其化学式为(II),其中X=氟或H,Z=硝基、溴或氯,n=0或1-4;B)对蒸馏残渣进行氟化,并通过蒸馏分离所产生的1,3,5-三氟-2,4,6-三氯苯。