申请人:ELI LILLY AND COMPANY
公开号:EP0197706A2
公开(公告)日:1986-10-15
The present invention provides a process for preparing N-methyl-2,4-dinitro-N-phenyl-6-(trifluoromethyl)-benzenamine comprising treating 2-chloro-3,5-dinitrobenzotrifluoride in the presence of N,N-dimethylformamide and pyridine with a fluorinating reagent to provide 2-fluoro-3,5-dinitrobenzotrifluoride, which is finally reacted with N-methylaniline.
本发明提供了一种制备 N-甲基-2,4-二硝基-N-苯基-6-(三氟甲基)-苯胺的工艺,包括在 N,N-二甲基甲酰胺和吡啶存在下,用氟化试剂处理 2-氯-3,5-二硝基三氟甲苯,得到 2-氟-3,5-二硝基三氟甲苯,最后与 N-甲基苯胺反应。