[C:1]([NH:4][C:5]1[CH:10]=[CH:9][C:8]([OH:11])=[CH:7][CH:6]=1)(=[O:3])[CH3:2].C(=O)([O-])[O-].[K+].[K+].[CH3:18][O:19][C:20]1[CH:27]=[C:26]([O:28][CH3:29])[CH:25]=[CH:24][C:21]=1[CH2:22]Cl>CN(C)C=O>[CH3:18][O:19][C:20]1[CH:27]=[C:26]([O:28][CH3:29])[CH:25]=[CH:24][C:21]=1[CH2:22][O:11][C:8]1[CH:9]=[CH:10][C:5]([NH:4][C:1](=[O:3])[CH3:2])=[CH:6][CH:7]=1p-Acetylaminophenol (15.1 g, 0.1 M) in dimethyl formamide (30 ml) containing potassium carbonate (1.36 g, 0.1 M) is treated with 2,4-dimethoxybenzyl chloride (1.86 g, 0.1 M). The mixture is then heated at 130° C. for 3 hours, then the solvent removed by evaporation under reduced pressure. The residue is treated with water, and the precipitate filtered off and recrystallized from ethanol to afford p-(2,4-dimethoxybenzyloxy)acetanilide.
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