4-(o-fluorophenyl)-1,2,5,6,7,8-hexahydrobenzothieno[2,3-d]pyrimidin-2-one 、
碘甲烷 以
N-甲基乙酰胺 为溶剂,
生成 2-methoxy-4-(o-fluorophenyl)-5,6,7,8-tetrahydrobenzothieno[2,3-d]pyrimidine 、 1-methyl-4-(o-fluorophenyl)-1,2,5,6,7,8-hexahydrobenzothieno[2,3-d]pyrimidin-2-one