(S)-2-cyclopropyl-10-((2,5-dichloropyrimidin-4-yl)amino)-3,3-difluoro-7-methyl-1,2,3,4-tetrahydro-[1,4]oxazepino[2,3-c]quinolin-6(7H)-one 、
(S)-(4,4-difluoropiperidin-3-yl)methanol 在
N,N-二异丙基乙胺 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 1.0h,
以18%的产率得到(S)-10-((5-chloro-2-((S)-4,4-difluoro-3-(hydroxymethyl)piperidin-1-yl)pyrimidin-4-yl)amino)-2-cyclopropyl-3,3-difluoro-7-methyl-1,2,3,4-tetrahydro[1,4]oxazepino[2,3-c]quinolin-6(7H)-one