反应详情

A mixture of 40 g of ethyl 2-cyano-3-(3,4-dimethoxyphenylamino)acrylate and 1.2 L of Dowtherm® A was refluxed for 10 h, cooled, and diluted with hexane. The resulting solid was filtered, washed with hexane followed by dichloromethane, and dried; mp 330-350° C. (dec).

1. temperatureA was refluxed for 10 h
2. temperaturecooled
3. filtrationThe resulting solid was filtered
4. washwashed with hexane
5. customdried