ethyl 4-cyano-3-(3,4-dichlorophenyl)-5-(methylsulfonyl)thiophene-2-carboxylate 、
吗啉 在
氩 作用下,
以
四氢呋喃 为溶剂,
反应 72.0h,
以to give ethyl 4-cyano-3-(3,4-dichlorophenyl)-5-morpholin-4-ylthiophene-2-carboxylate (1.14 g, 63%)的产率得到ethyl 4-cyano-3-(3,4-dichlorophenyl)-5-morpholin-4-ylthiophene-2-carboxylate