6-cyclopropyl-3-(2,4-dimethoxybenzyl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione 、
2-氰基-4'-溴甲基联苯 、
potassium carbonate 在
silica gel 作用下,
以
乙腈 为溶剂,
反应 2.0h,
以to give the title compound as a colorless amorphous solid (2.4 g, 86%)的产率得到4'-{[6-cyclopropyl-3-(2,4-dimethoxybenzyl)-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl]methyl}biphenyl-2-carbonitrile