甲烷磺酸 、
(1S,2S)-2-(2-carbamoyl-5-(6,6-dimethyl-4-oxo-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazol-1-yl)phenylamino)cyclohexyl 2-(tert-butoxycarbonylamino)acetate 在
甲基叔丁基醚 作用下,
以
溶剂黄146 、
甲基叔丁基醚 为溶剂,
反应 18.0h,
以to provide (1S,2S)-2-(2-carbamoyl-5-(6,6-dimethyl-4-oxo-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazol-1-yl)phenylamino)cyclohexyl 2-aminoacetate methanesulfonate (2.25 g, 97% yield) as an off-white solid的产率得到(1S,2S)-2-(2-carbamoyl-5-(6,6-dimethyl-4-oxo-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazol-1-yl)phenylamino)cyclohexyl 2-aminoacetate methanesulfonate