2-甲基咪唑 、 2-chloro-5,6,7,8-tetrahydro-4-(4-fluorobenzylamino)-[1]-benzothieno-[2,3-d]-pyrimidine 以gives 2-(2-methylimidazol-1-yl)-5,6,7,8-tetrahydro-4-(4-fluorobenzylamino)-[1]-benzothieno-[2,3-d]-pyrimidine的产率得到2-(2-methylimidazol-1-yl)-5,6,7,8-tetrahydro-4-(4-fluorobenzylamino)[1]benzothieno[2,3-d]pyrimidine