(2S)-1-[(2S,3S)-2-hydroxy-3-(3-hydroxy-2,5-dimethyl-benzoylamino)-4-phenyl-butyryl]-3,3-dimethyl-4-methylene-pyrrolidine-2-carboxylic acid isobutyl-amide 在
palladium 10% on activated carbon
氢气 作用下,
以
乙酸乙酯 为溶剂,
生成 (2S)-1-[(2S,3S)-2-hydroxy-3-(3-hydroxy-2,5-dimethyl-benzoylamino)-4-phenyl-butyryl]-(4S)-3,3,4-trimethyl-pyrrolidine-2-carboxylic acid isobutyl-amide