9-(trifluoromethyl)-1,3-dihydro-5-[p-(propionylamino)phenyl]-2H-1,4-benzodiazepine-2-thione   、                                                                                      
甲酰肼                                                                                                                                                                                              以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        以to give 10-(trifluoromethyl)-6-[p-(propionylamino)pheyl]-4H-s-triazolo[4,3-a][1,4]benzodiazepine的产率得到10-(Trifluoromethyl)-6-[p-(propionylamino)phenyl]-4H-s-triazolo[4,3-a][1,4]benzodiazepine