methyl (6-ethyl-2,4-dioxo-1,4-dihydrothieno[2,3-d]pyrimidin-3(2H)-yl)acetate 、
2-氰基-4'-溴甲基联苯 、
potassium carbonate 在
水 、
乙醚 作用下,
以
乙腈 为溶剂,
反应 2.0h,
以to give the title compound as a colorless solid (3.4 g, 57%)的产率得到methyl [1-[(2'-cyanobiphenyl-4-yl)methyl]-6-ethyl-2,4-dioxo-1,4-dihydrothieno[2,3-d]pyrimidin-3(2H)-yl]acetate