5,6-dihydro-1,4-dithiin-2,3-dicarboximide 1,8-diazabicyclo[5.4.0]undec-7-ene salt 、
5-chloro-6-(2-thienyl)pyrazine-2,3-dicarbonitrile 以
丙酮 为溶剂,
反应 1.0h,
以70%的产率得到5-(5,7-dioxo-2,3,5,7-tetrahydro-1,4-dithiino[2,3-c]pyrrol-6-yl)-6-(2-thienyl)pyrazine-2,3-dicarbonitrile