Nitromethane → Dimethyl 5-(1-hydroxy-2-nitroethyl)isophthalate

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[CH:1]([C:3]1[CH:4]=[C:5]([C:13]([O:15][CH3:16])=[O:14])[CH:6]=[C:7]([CH:12]=1)[C:8]([O:10][CH3:11])=[O:9])=[O:2].[N+:17]([CH3:20])([O-:19])=[O:18].C(N(CC)CC)C>CO>[OH:2][CH:1]([C:3]1[CH:12]=[C:7]([C:8]([O:10][CH3:11])=[O:9])[CH:6]=[C:5]([CH:4]=1)[C:13]([O:15][CH3:16])=[O:14])[CH2:20][N+:17]([O-:19])=[O:18]

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온도: 22 °C

실험 절차

To a solution of 2.45 g (11.0 mmol) of dimethyl 5-formylisophthalate in 30 mL of methanol was added 1.48 mL (27.6 mmol) of nitromethane and 1.53 mL (11.0 mmol) of triethylamine (TEA). The solution was stirred at 22° C. for about 16 h, evaporated then coevaporated with xylenes. The residue was purified by flash chromatography on silica gel, eluting first with 5% ethyl acetate/hexane and then gradually increasing to 20% ethyl acetate/hexane which gave dimethyl 5-(1-hydroxy-2-nitroethyl)isophthalate as a solid.