[5-(difluoromethyl)thiazole-2-carbonyl]oxylithium 、 1-((1R,3S)-3-aminocyclohexyl)-2-(2-fluorophenyl)-1H-imidazo[4,5-c]pyridine-6-carbonitrile trifluoroacetate 在
N,N-二异丙基乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以81.1 %的产率得到N-((1S,3R)-3-(6-cyano-2-(2-fluorophenyl)-1H-imidazo[4,5-c]pyridin-1-yl)cyclohexyl)-5-(difluoromethyl)thiazole-2-carboxamide