(2S)-2-[[(2S)-2-acetamido-3-(1-tritylimidazol-4-yl)propanoyl]amino]-N-[(1S,2R)-1-benzyl-2-hydroxy-3-[[(3S,6S)-6-isopropyl-4,7-dioxo-12-oxa-5,8-diazabicyclo[11.2.2]heptadeca-1(15),13,16-trien-3-yl]amino]-3-oxo-propyl]-3-methyl-butanamide 在
三氟乙酸 作用下,
以
水 为溶剂,
反应 1.0h,
以97%的产率得到(2S)-2-[[(2S)-2-acetamido-3-(1H-imidazol-4-yl)propanoyl]amino]-N-[(1S,2R)-1-benzyl-2-hydroxy-3-[[(3S,6S)-6-isopropyl-4,7-dioxo-12-oxa-5,8-diazabicyclo[11.2.2]heptadeca-1(15),13,16-trien-3-yl]amino]-3-oxo-propyl]-3-methyl-butanamide