[(2R)-4-[[(3S)-1-acetyloxy-2-oxoazepan-3-yl]amino]-4-oxobutan-2-yl] (2S)-2-[[(4S)-2-(2-acetyloxy-4-aminophenyl)-4,5-dihydro-1,3-oxazole-4-carbonyl]amino]-6-[acetyloxy(hexadecanoyl)amino]hexanoate 、
5-(2,5-Dioxopyrrol-1-yl)pentanoyl chloride 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 16.75h,
以9.6 mg的产率得到[(1R)-3-[[(3S)-1-acetoxy-2-oxo-azepan-3-yl]amino]-1-methyl-3-oxo-propyl] (2S)-2-[[(4S)-2-[2-acetoxy-4-[5-(2,5-dioxopyrrol-1-yl)pentanoylamino]phenyl]-4,5-dihydrooxazole-4-carbonyl]amino]-6-[acetoxy(hexadecanoyl)amino]hexanoate