Cl[C:2]1[CH:7]=[C:6]([Cl:8])[C:5]([Cl:9])=[CH:4][C:3]=1[N+:10]([O-:12])=[O:11].[CH2:13]([NH2:16])[CH2:14][NH2:15].C(O)C>O>[Cl:9][C:5]1[C:6]([Cl:8])=[CH:7][C:2]([NH:15][CH2:14][CH2:13][NH2:16])=[C:3]([N+:10]([O-:12])=[O:11])[CH:4]=10.13 mole (30.6 g) of 2,4,5-trichloronitrobenzene is added to a solution of 78 g of ethylenediamine in 100 ml of 96° ethanol and 117 ml of water. After heating under reflux for 1 h 30 min, the reaction mixture is cooled. After dilution with iced water, the expected product precipitates. It melts as 84° C.-87° C.
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