(S)-2-benzoylsulfanyl-5-phthalimidopentanoic acid 、
L-亮氨酰-N,3-二甲基-L-缬氨酰胺 以
乙酸乙酯 、
水 为溶剂,
反应 2.17h,
以gives a solution of (S)-2-[(S)-2-benzoylsulfanyl-5-(1,3-dioxo-1,3-dihydroisoindol-2-yl)pentanylamino]-4-methylpentanoic acid (2,2-dimethyl-1(S)-methylcarbamoylpropyl)amide which的产率得到(S)-2-[(S)-2-benzoylsulfanyl-5-(1,3-dioxo-1,3-dihydroisoindol-2-yl)pentanylamino]-4-methylpentanoic acid (2,2-dimethyl-1(S)-methylcarbamoylpropyl)amide