3-<<4-<<(1,1-dimethylethoxy)carbonyl><3-<<(1,1-dimethylethoxy)carbonyl>amino>propyl>amino>butyl><(1,1-dimethylethoxy)carbonyl>amino>propanoic acid methyl ester 在
sodium hydroxide 作用下,
以
乙二醇二甲醚 为溶剂,
反应 1.0h,
以90%的产率得到3-<<4-<<(1,1-dimethylethoxy)carbonyl><3-<<(1,1-dimethylethoxy)carbonyl>amino>propyl>amino>butyl><(1,1-dimethylethoxy)carbonyl>amino>propanoic acid