[O:1]([C:8]1[CH:24]=[CH:23][C:11]([CH2:12][CH:13]2[C:22]3[CH2:21][CH2:20][CH2:19][CH2:18][C:17]=3[CH2:16][CH2:15][NH:14]2)=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[O:25]=[CH:26]C(Cl)(Cl)Cl>C(Cl)(Cl)Cl>[O:1]([C:8]1[CH:24]=[CH:23][C:11]([CH2:12][CH:13]2[C:22]3[CH2:21][CH2:20][CH2:19][CH2:18][C:17]=3[CH2:16][CH2:15][N:14]2[CH:26]=[O:25])=[CH:10][CH:9]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1To a solution of 0.78 g (0.002 mol) of (±)-1-(p-phenoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinoline in 5 ml of chloroform was added 0.42 g of chloral in 1 ml of chloroform dropwise. After the mixture had been stirred at room temperature for 3 hrs it was diluted with 15 ml of chloroform and washed with 4N hydrochloric acid (10 ml) and water (10 ml). After drying, the solvent was removed under reduced pressure to give 0.81 g (96%) of crude (±)-1-(p-phenoxybenzyl)-2-formyl-1,2,3,4,5,6,7,8-octahydroisoquinoline. For characterization, a sample of this compound was distilled, bp 225°-227° (0.08 mm Hq).
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