[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([CH2:10][CH2:11][N:12]([CH2:30][CH2:31][O:32][C:33]2[CH:38]=[CH:37][C:36]([N+:39]([O-])=O)=[CH:35][CH:34]=2)[CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][N:19]2[C:27](=[O:28])[C:26]3[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=3)[C:20]2=[O:29])=[CH:6][CH:5]=1)([O-])=O>C(O)C.O.C(O)(=O)C>[NH2:1][C:4]1[CH:9]=[CH:8][C:7]([CH2:10][CH2:11][N:12]([CH2:30][CH2:31][O:32][C:33]2[CH:34]=[CH:35][C:36]([NH2:39])=[CH:37][CH:38]=2)[CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][N:19]2[C:27](=[O:28])[C:26]3[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=3)[C:20]2=[O:29])=[CH:6][CH:5]=12-[6-([2-(4-nitrophenyl)ethyl]{2-[(4-nitrophenyl)oxy]ethyl}amino)hexyl]-1H-isoindole-1,3(2H)-dione (0.35 g) was dissolved in a mixture of ethanol (40 ml), water (5 ml) and acetic acid (5 ml) and the resulting solution degassed under reduced pressure. 10% Palladium on carbon (56% paste, 0.27 g) was added and the resulting mixture stirred vigorously under a hydrogen atmosphere (atmospheric pressure) for 12 h. The reaction mixture was filtered through Celite™ and washed with ethanol. The filtrate and washings were evaporated to dryness to give the title compound (0.313 g) which was used without further purification.
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