[NH2:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(N(CC)CC)C.[N+:15]([C:18]1[CH:19]=[C:20]([CH:24]=[CH:25][CH:26]=1)[C:21](Cl)=[O:22])([O-:17])=[O:16].C(=O)(O)[O-].[Na+]>ClCCl>[N+:15]([C:18]1[CH:19]=[C:20]([CH:24]=[CH:25][CH:26]=1)[C:21]([NH:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1)=[O:22])([O-:17])=[O:16]To a cooled (0° C.) solution of aniline (17 g, 180 mmol) and triethylamine (27 mL, 190 mmol) in dichloromethane (100 mL) was added a solution of 3-nitrobenzoyl chloride (30 g, 160 mmol) in dichloromethane (60 mL). The mixture was stirred for 15 min at 0° C. then overnight at room temperature. It was then poured into saturated sodium bicarbonate (1 L) and stirred vigorously for 15 min. The precipitate was collected, washed with water and dried (40 g, 100%).
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