[(3S,4S)-1-[6-(6,7-Dihydro-4H-isoxazolo[4,3-c]pyridin-5-yl)-pyrimidin-4-yl]-4-(2-oxo-piperidin-1-yl)-pyrrolidin-3-yl]-carbamic acid tert-butyl ester 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 17.0h,
以99.8%的产率得到1-((3S,4S)-4-Amino-1-(6-(6,7-dihydroisoxazolo[4,3-c]pyridin-5(4H)-yl)pyrimidin-4-yl)pyrrolidin-3-yl)piperidin-2-one dihydrochloride