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