(1S,2S)-2-(2-carbamoyl-5-(3-ethyl-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indazol-1-yl)-3-fluorophenylamino)-cyclopentyl 2-(tert-butoxycarbonylamino)acetate 在
盐酸 、
水 作用下,
以
1,4-二氧六环 为溶剂,
反应 16.0h,
以77%的产率得到(1S,2S)-2-(2-carbamoyl-5-(3-ethyl-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indazol-1-yl)-3-fluorophenylamino)cyclopentyl 2-aminoacetate hydrochloride