(2S,3R,4S)-2-(2-(3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)propanamido)4-((((4-((S)-7-methoxy-8-((5-(((S)-7-methoxy-2-(4-methoxyphenyl)-5-oxo-5,11a-dihydro-1H-benzo[e]pyrrolo[1,2-a][1,4]diazepin-8-yl)oxy)pentyl)oxy)-5-oxo-5,11a-dihydro-1H-benzo[e]pyrrolo[1,2-a][1,4]diazepin-2-yl)benzyl)carbamoyl)oxy)methyl)phenoxy)-6-methyloxycarbonyltetrahydro-2H-pyran-3,4,5-triyl triacetate 在
lithium hydroxide monohydrate 、
水 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
以11%的产率得到(2S,3S,4S,5R,6S)-6-(2-(3-aminopropanamido)-4-((((4-((S)-7-methoxy-8-((5-(((S)-7-methoxy-2-(4-methoxyphenyl)-5-oxo-5,11a-dihydro-1H-benzo[e]pyrrolo[1,2-a][1,4]diazepin-8-yl)oxy)pentyl)oxy)-5-oxo-5,11a-dihydro-1H-benzo[e]pyrrolo[1,2-a][1,4]diazepin-2-yl)benzyl)carbamoyl)oxy)methyl)phenoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid