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