(S)-2-({(R)-[((S)-Benzyloxycarbonyl-cyclopropyl-methyl)-carbamoyl]-cyclopentyl-methyl}-carbamoyl)-pyrrolidine-1-carboxylic acid tert-butyl ester 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
以100%的产率得到(S)-2-({(R)-[((S)-Carboxy-cyclopropyl-methyl)-carbamoyl]-cyclopentyl-methyl}-carbamoyl)-pyrrolidine-1-carboxylic acid tert-butyl ester