2-[2-[(1S,2R)-1-benzamido-3-[[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-2-benzoyloxy-1,9-dihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-15-yl]oxy]-3-oxo-1-phenylpropan-2-yl]oxy-2-oxoethoxy]acetic acid 、 在
N-hydroxysulfosuccinimide sodium salt 、
N,N'-二异丙基碳二亚胺 作用下,
以
N,N-二甲基甲酰胺 、
水 、
乙腈 为溶剂,
以40%的产率得到2-[(1S,4S,10S,13S)-14-[2-[4-[[3-[2-[[2-[2-[(1S,2R)-1-benzamido-3-[[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-2-benzoyloxy-1,9-dihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-15-yl]oxy]-3-oxo-1-phenylpropan-2-yl]oxy-2-oxoethoxy]acetyl]amino]ethylcarbamoyl]-5-[[1-[2-[(1S,4S,10S,13S)-10-(3-carbamimidamidopropyl)-4-(carboxymethyl)-3,6,9,12-tetraoxo-2,5,8,11,14-pentazabicyclo[11.2.1]hexadecan-14-yl]ethyl]triazol-4-yl]methoxy]phenoxy]methyl]triazol-1-yl]ethyl]-10-(3-carbamimidamidopropyl)-3,6,9,12-tetraoxo-2,5,8,11,14-pentazabicyclo[11.2.1]hexadecan-4-yl]acetic acid