[N+:1]([C:4]1[CH:5]=[C:6]([C:10](=[O:12])[CH3:11])[CH:7]=[CH:8][CH:9]=1)([O-:3])=[O:2].[BH4-].[Na+]>CO.ClCCl>[N+:1]([C:4]1[CH:5]=[C:6]([CH:10]([OH:12])[CH3:11])[CH:7]=[CH:8][CH:9]=1)([O-:3])=[O:2]26.4 g (160 mmol) of 1-(3-nitrophenyl)ethanone are suspended in 270 ml of methanol, and 6.1 g (160 mmol) of sodium borohydride are added in portions with ice cooling. The reaction mixture is subsequently stirred for a further 3 h without cooling, diluted with 300 ml of dichloromethane and washed with 3×200 ml of water. The organic phase is dried over sodium sulfate and evaporated to dryness.
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