{3-[4-(7-{[2-(Trimethylsilyl)ethoxy]methyl}-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile dihydrochloride 、
N-叔丁氧羰基-4-哌啶酮 、
N,N-二异丙基乙胺 、
三乙酰氧基硼氢化钠 在
乙酸乙酯 、
Sodium sulfate-III 、 hexanes 、
tert-butyl 4-{3-(cyanomethyl)-3-[4-(7-{[2-(trimethylsilyl) ethoxy]methyl}-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate 作用下,
以
四氢呋喃 、 Brine 为溶剂,
反应 16.0h,
以to give the desired product, tert-butyl 4-{3-(cyanomethyl)-3-[4-(7-{[2-(trimethylsilyl)ethoxy]methyl}-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate的产率得到tert-butyl 4-{3-(cyanomethyl)-3-[4-(7-{[2-(trimethylsilyl) ethoxy]methyl}-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate