perfluorophenyl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12,15,18-hexaoxahenicosan-21-oate 、 (2S,3S,4S,5R,6S)-6-(((S)-6-(5-((S)-4-(((2-((((4-((S)-2-((S)-2-amino-3-methylbutanamido)-5-ureidopentanamido)benzyl)oxy)carbonyl)(methyl)amino)-ethyl)(methyl)carbamoyl)oxy)-8-(chloromethyl)-1-methyl-7,8-dihydro-6H-thieno[3,2-e]indol-6-yl)-5-oxopentanoyl)-8-(chloromethyl)-1-methyl-7,8-dihydro-6H-thieno[3,2-e]indol-4-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid 在
N,N-二异丙基乙胺 、
N,N-二甲基甲酰胺 作用下,
反应 0.5h,
以82%的产率得到(2S,3S,4S,5R,6S)-6-(((S)-8-(chloromethyl)-6-(5-((S)-8-(chloromethyl)-4-(((2-((((4-((23S,26S)-1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-23-isopropyl-21,24-dioxo-26-(3-ureidopropyl)-3,6,9,12,15,18-hexaoxa-22,25-diazaheptacosan-27-amido)benzyl)oxy)carbonyl)(methyl)amino)ethyl)(methyl)carbamoyl)oxy)-1-methyl-7,8-dihydro-6H-thieno[3,2-e]indol-6-yl)-5-oxopentanoyl)-1-methyl-7,8-dihydro-6H-thieno[3,2-e]indol-4-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid