(R)-tert-butyl 1-(5-carbamoyl-6-(4-(diethylamino)phenylamino)pyridin-2-yl)piperidin-3-ylcarbamate 、
三氟乙酸 在
二氯甲烷 、
sodium hydroxide 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以to give 1.07 g of (R)-6-(3-aminopiperidin-1-yl)-2-(4-(diethylamino)phenylamino)nicotinamide as a yellow solid的产率得到(R)-6-(3-aminopiperidin-1-yl)-2-(4-(diethylamino)phenylamino)nicotinamide