3-cyclobutyl-1-methylpyrazole-4-carboxylic acid 、 2-[(3S)-1-{[4-amino-2-(difluoromethoxy)phenyl]methyl}piperidin-3-yl]propan-2-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41.4 %的产率得到3-cyclobutyl-N-[3-(difluoromethoxy)-4-{[(3S)-3-(2-hydroxypropan-2-yl)piperidin-1-yl]methyl}phenyl]-1-methyl-1H-pyrazole-4-carboxamide