P-Anisidine → 2-((4-Methoxy-phenylamino)-methylene)-malonic acid diethyl ester
Reaction equation
[CH3:1][O:2][C:3]1[CH:9]=[CH:8][C:6]([NH2:7])=[CH:5][CH:4]=1.CO[CH:12]=[C:13]([C:19]([O:21][CH2:22][CH3:23])=[O:20])[C:14]([O:16][CH2:17][CH3:18])=[O:15]>>[CH3:1][O:2][C:3]1[CH:9]=[CH:8][C:6]([NH:7][CH:12]=[C:13]([C:14]([O:16][CH2:17][CH3:18])=[O:15])[C:19]([O:21][CH2:22][CH3:23])=[O:20])=[CH:5][CH:4]=1Participants
3
Conditions
- Temperature
- 100 °C
Procedure
In a flask maintained under reduce pressure, p-methoxyaniline (35.1 g, 280 mmol) and diethyl 2-(methoxymethylene)malonate (73.97 g, 340 mmol) were stirred at 100° C. for two h. The crude mixture was used without further purification.
Workup
- temperatureIn a flask maintained
- customThe crude mixture was used without further purification