苄胺 、 4-(4-Chloro-6-trifluoromethyl-thieno-[2,3-d]-pyrimidin-2-yl)-benzoic acid methylester 以yields 4-(4-benzylamino-6-trifluoromethyl-thieno-[2,3-d]-pyrimidin-2-yl)-benzoic acid methylester的产率得到methyl 4-(4-benzylamino-6-trifluoromethyl-thieno-[2,3-d]-pyrimidin-2-yl)-benzoate