(R)-5-(2-(5-fluoropyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine 、
(S)-3-吡咯烷醇 、
N,N'-羰基二咪唑 在
acetonitrile-water 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以to yield the final product as a solid (27 mg, 78% yield)的产率得到(S)-N-(5-((R)-2-(5-fluoropyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxypyrrolidine-1-carboxamide