1-(2,3-dimethyl-phenyl)-4-m-tolyl-but-3-ynylamine   、                                                                                      
2-Isothiocyanatoethyl acetate                                                                                                                                                                                              以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以to yield acetic acid 2-{3-[1-(2,3-dimethyl-phenyl)-4-m-tolyl-but-3-ynyl]-thioureido}-ethyl ester的产率得到acetic acid 2-{3-[1-(2,3-dimethyl-phenyl)-4-m-tolyl-but-3-ynyl]-thioureido}-ethyl ester