1-(3-fluorophenyl)-3-methyl-1H-pyrazole-4-carboxylic acid 、 (3R,4r,5S)-1-{[4-amino-2-(difluoromethoxy)phenyl]methyl}-3,5-dimethylpiperidin-4-ol 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以85 %的产率得到N-[3-(difluoromethoxy)-4-{[(3R,4r,5S)-4-hydroxy-3,5-dimethylpiperidin-1-yl]methyl}phenyl]-1-(3-fluorophenyl)-3-methyl-1H-pyrazole-4-carboxamide