[NH2:1]N.[CH3:3][N:4]1[CH2:9][CH2:8][NH:7][CH2:6][CH:5]1[CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17]C1C=CC=C2C(NC(=O)C=12)=O>CO>[CH3:3][N:4]1[CH2:9][CH2:8][NH:7][CH2:6][CH:5]1[CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][NH2:1]Hydrazine (aqueous solution at 35% by wt.) (0.15 ml; 1.6 mmoles) was added to 8-(N-methylpiperazinyl)octylphthalimide (285 mg; 0.8 mmoles) in methanol (5 ml) and the resulting solution was refluxed. Reaction times and process as per Example 1.
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