Process and intermediates for the preparation of 2,6-difluoroaniline
申请人:DowElanco
公开号:US05041674A1
公开(公告)日:1991-08-20
1-Chloro-3,5-difluorobenzene is chlorinated to give 4,6-difluoro-1,2,3-trichlorobenzene which in turn is nitrated and reduced to the corresponding novel aniline, 2,6-difluoro-3,4,5-trichloroaniline. Further reduction of this aniline provides 2,6-difluoroaniline with high selectivity.