(2S,4S)-1-[(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carbonyl]-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
以100%的产率得到(2S,4S)-1-[(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carbonyl]-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid