5-bromo-2-({[1-methyl-3-(pentafluoroethyl)-4-(trifluoromethyl)-1H-pyrazol-5-yl]carbonyl}amino)isonicotinic acid   、                                                                                      
(1R,2S)-2-氟环丙胺对甲苯磺酸盐                                                                                                                                                              在
                                                                                                                                                                                 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以80%的产率得到5-bromo-N-[(1R,2S)-2-fluorocyclopropyl]-2-({[1-methyl-3-(pentafluoroethyl)-4-(trifluoromethyl)-1H-pyrazol-5-yl]carbonyl}amino)isonicotinamide