3,3-dimethyl-butyric acid 5-((S)-2-tert-butoxycarbonylamino-2-methoxy-carbonyl-ethyl)-2-(3,3-dimethyl-butyryloxy)-phenyl ester 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.5h,
生成
(S)-2-[3,4-bis-(3,3-dimethyl-butyryloxy)-phenyl]-1-methoxycarbonyl-ethyl-amonimum chloride