2-Methoxy-5-nitroaniline → 1-(2-Chloro4,5-difluorobenzoyl)-3-(2-methoxy-5-nitrophenyl)urea
반응식
[CH3:1][O:2][C:3]1[CH:9]=[CH:8][C:7]([N+:10]([O-:12])=[O:11])=[CH:6][C:4]=1[NH2:5].[Cl:13][C:14]1[CH:24]=[C:23]([F:25])[C:22]([F:26])=[CH:21][C:15]=1[C:16]([N:18]=[C:19]=[O:20])=[O:17]>CN1CCCC1=O>[Cl:13][C:14]1[CH:24]=[C:23]([F:25])[C:22]([F:26])=[CH:21][C:15]=1[C:16]([NH:18][C:19]([NH:5][C:4]1[CH:6]=[C:7]([N+:10]([O-:12])=[O:11])[CH:8]=[CH:9][C:3]=1[O:2][CH3:1])=[O:20])=[O:17]참가 물질
4
실험 절차
1 g (5.9 mmol) of 2-methoxy-5-nitroaniline were admixed with 1.3 g (5.9 mmol) of 2-chloro-4,5-difluorobenzoyl isocyanate from stage a in 2 ml of N-methylpyrrolidone and reacted at room temperature for one hour. The precipitate was filtered off, washed twice with 5 ml of acetonitrile each time and dried under high vacuum. 2.2 g of the desired product were obtained which were used in stage c without further purification.