(1-(2-(5-bromopyridin-3-yl)-3H-imidazo[4,5-b]pyridin-5-yl)piperidin-3-yl)(pyrrolidin-1-yl)methanone 、
sodium methansulfinate 、
L-脯氨酸 、
sodium hydroxide 在
cupric iodide (R)-(1-(2-(5-(methylsulfonyl)pyridin-3-yl)-3H-imidazo[4,5-b]pyridin-5-yl)piperidin-3-yl)(pyrrolidin-1-yl)methanone 、
水 、
乙酸乙酯 作用下,
以
二甲基亚砜 为溶剂,
反应 14.0h,
以to afford the title compound (25 mg, 45%)的产率得到(R)-(1-(2-(5-(methylsulfonyl)pyridin-3-yl)-3H-imidazo[4,5-b]pyridin-5-yl)piperidin-3-yl)(pyrrolidin-1-yl)methanone