(S)-tert-butyl 4-(2-(4'-carbamoyl-3'-fluorobiphenyl-4-yl)-1-cyanoethylcarbamoyl)tetrahydro-2H-pyran-4-ylcarbamate 在
甲醇 、 HCO3 、
methanol-dichloromethane 作用下,
以
甲酸 为溶剂,
反应 0.33h,
以to afford the titled compound (53 mg)的产率得到(S)-4-amino-N-(2-(4'-carbamoyl-3'-fluorobiphenyl-4-yl)-1-cyanoethyl)tetrahydro-2H-pyran-4-carboxamide