(2S)-1-[(2R)-2-[[(2S)-4-amino-4-oxo-2-[(2-oxopyrrolidine-1-carbonyl)amino]butanoyl]amino]-3-[(4-methoxyphenyl)methylsulfanyl]propanoyl]pyrrolidine-2-carboxylic acid 、
Boc-D-Lys(-Z)-Leu-OCH2Ph 生成 benzyl (2S)-2-[[(2R)-2-[[(2S)-1-[(2R)-2-[[(2S)-4-amino-4-oxo-2-[(2-oxopyrrolidine-1-carbonyl)amino]butanoyl]amino]-3-[(4-methoxyphenyl)methylsulfanyl]propanoyl]pyrrolidine-2-carbonyl]amino]-6-(phenylmethoxycarbonylamino)hexanoyl]amino]-4-methylpentanoate