[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([NH:10][NH2:11])=[CH:6][CH:5]=1)([O-:3])=[O:2].[CH3:12][N:13]([C:17]1[CH:25]=[CH:24][CH:23]=[C:22]2[C:18]=1[C:19](=[O:28])[N:20]([CH3:27])[C:21]2=[O:26])[C:14](Cl)=[O:15].N1C=CC=CC=1>C(#N)C>[N+:1]([C:4]1[CH:5]=[CH:6][C:7]([NH:10][NH:11][C:14]([N:13]([CH3:12])[C:17]2[CH:25]=[CH:24][CH:23]=[C:22]3[C:18]=2[C:19](=[O:28])[N:20]([CH3:27])[C:21]3=[O:26])=[O:15])=[CH:8][CH:9]=1)([O-:3])=[O:2]p-Nitrophenylhydrazine (1.5 g, 10 mmole), N-methyl-N-(2-methyl-1,3-dioxoisoindolin-4-yl) carbamoyl chloride (2.5 g, 10 mmole) and 2 ml pyridine were combined in 25 ml dry acetonitrile, heated to reflux, then stirred at room temperature for 4 hours. The solid formed was collected and washed with ether to give 2.6 g of product, m.p. 194°-196° C.
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