tert-butyl 9-chloro-6-oxo-3,4,12,12a-tetrahydro-6H-pyrazino[2,1-c][1,4]benzoxazepine-2(1H)-carboxylate 在
甲醇 、
乙醚 作用下,
以
ethyl acetate hydrochloride 为溶剂,
反应 1.0h,
以to give the object product (268 mg, 75.9%) as a solid的产率得到9-chloro-1,2,3,4,12,12a-hexahydro-6H-pyrazino[2,1-c][1,4]benzoxazepin-6-one hydrochloride