[CH2:1]([C:3]1[CH:9]=[CH:8][C:6]([NH2:7])=[CH:5][CH:4]=1)[CH3:2].[C:10]([O:14][CH2:15][CH3:16])(=[O:13])[CH:11]=[CH2:12]>C(O)(=O)C>[CH2:1]([C:3]1[CH:9]=[CH:8][C:6]([NH:7][CH2:12][CH2:11][C:10]([O:14][CH2:15][CH3:16])=[O:13])=[CH:5][CH:4]=1)[CH3:2]To a solution of 4-ethyl aniline (10.00 g) in acetic acid (20 mL) was added ethyl acrylate (8.26). The mixture was heated to 70° for 3.5 hours. The mixture was allowed to cool to room temperature. The mixture was partitioned between dichloromethane and water, and was extracted three times. The combined organics were washed once with brine, dried with sodium sulfate, filtered, and concentrated. The mixture was taken on to the next step. MS (ESI+) for C13H19NO2 m/z 223.1 (M+H)+.
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