(2S,4R)-4-hydroxy-1,1-dimethylpyrrolidin-1-ium-2-carboxylic acid 、 N-[3-chloro-4-(piperazine-1-carbonyl)phenyl]-5-[3-fluoro-4-[1-(2-methoxyethyl)-5-methylpyrazol-4-yl]-2-methylphenyl]-1-methylimidazole-2-carboxamide 、
三氟乙酸 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14.6 mg的产率得到N-[3-chloro-4-[4-[(2S,4R)-4-hydroxy-1,1-dimethylpyrrolidin-1-ium-2-carbonyl]piperazine-1-carbonyl]phenyl]-5-[3-fluoro-4-[1-(2-methoxyethyl)-5-methylpyrazol-4-yl]-2-methylphenyl]-1-methylimidazole-2-carboxamide 2,2,2-trifluoroacetate