(2S,4S)-1-{(2S,4S)-1-[(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carbonyl]-4-methoxycarbonylmethyl-pyrrolidine-2-carbonyl}-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以76%的产率得到(2S,4S)-4-Carboxymethyl-1-{(2S,4S)-4-carboxymethyl-1-[(2S,4S)-4-carboxymethyl-1-(2,2-dimethyl-propionyl)-pyrrolidine-2-carbonyl]-pyrrolidine-2-carbonyl}-pyrrolidine-2-carboxylic acid