反应详情

4-Amino-3-methoxyphenol (21 g) and ethyl 2-butyryl-3-ethoxyacrylate (36 g) were heated together at 90°-110° for 30 minutes to afford ethyl 2-butyryl-3-(4-hydroxy-2-methoxyphenylamino)acrylate (46.1 g, 77%) as a brown solid, m.p. 140°-142°.