tert-butyl (2S)-2-{[(1-benzyl-2-oxo-1,2-dihydropyridin-3-yl)carbonyl]amino}-5-{[(4-methylphenyl)sulfonyl]amino}pentanoate 、
三氟乙酸 以
二氯甲烷 为溶剂,
以to provide 15 mg (2S)-2-{[(1-benzyl-2-oxo-1,2-dihydropyridin-3-yl)carbonyl]amino}-5-{[(4-methylphenyl)sulfonyl]amino}pentanoic acid的产率得到(2S)-2-{[(1-benzyl-2-oxo-1,2-dihydropyridin-3-yl)carbonyl]amino}-5-{[(4-methylphenyl)sulfonyl]amino}pentanoic acid