(S)-tert-butyl (2-amino-1-cyclohexyl-2-oxoethyl)carbamate 、
3-(4-aminophenyl)-N-(4-cyanophenyl)-N-methylimidazo[1.2-a]pyrazine-6-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
二氯甲烷 为溶剂,
反应 20.0h,
生成 3-{4-[(2S)-2-amino-2-cyclohexylacetamido]phenyl}-N-(4-cyanophenyl)-N-methylimidazo[1,2-a]pyrazine-6-carboxamide trifluoroacetate