[C:1]1([C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[C:2]([O:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][N:14]2C(=O)C3=CC=CC=C3C2=O)=[CH:3][CH:4]=[CH:5][CH:6]=1.O.NN>C(O)C>[NH2:14][CH2:13][CH2:12][CH2:11][CH2:10][CH2:9][CH2:8][O:7][C:2]1[C:1]([C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)=[CH:6][CH:5]=[CH:4][CH:3]=1A mixture of N-[6-(2-biphenyloxy)hexyl]phthalimide (15.1 g), ethanol (400 ml) and hydrazine hydrate (30 ml) was heated at reflux for 4 hours, cooled to room temperature, filtered, and evaporated to dryness. The material that remained was stirred with dichloromethane (500 ml), filtered and evaporated to yield 1-amino-6-(2-biphenyloxy) as an oil, which was converted to the hydrochloride salt, (m.p. 86°-88° CC.) according to the method of Example IV.
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