3-cyano-2-(2-amino-3-cyano-5-ethoxycarbonyl-4-phenyl-6-oxopyridine-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene 在
sodium ethanolate 作用下,
以
乙醇 为溶剂,
反应 6.0h,
以60%的产率得到7-amino-5-cyano-3-ethoxycarbonyl-2-oxo-4-phenyl-4,5,6,7-tetrahydrobenzo[b]thieno[5,4:4,5]pyrimidino[3,2:1,2]pyridine