trans-4-amino-N-(2-chloro-4,6-difluorophenyl)cyclohexanecarboxamide hydrochloride 、
5-methyl-7,8-dihydro-6H-cyclopenta[e]pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以78 mg的产率得到N-{trans-4-[(2-chloro-4,6-difluorophenyl)carbamoyl]cyclohexyl}-5-methyl-7,8-dihydro5 6H-cyclopenta[e]pyrazolo[1,5-a]pyrimidine-3-carboxamide