4-[[(1S,2S,3R,4S,7R,10R,11R,12R,15S)-4,12-diacetyloxy-15-[(2S,4S,5R)-3-benzoyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carbonyl]oxy-2-benzoyloxy-1-hydroxy-10,14,17,17-tetramethyl-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-11-yl]oxy]-4-oxobutanoic acid 在
4-二甲氨基吡啶 、
N,N'-二环己基碳二亚胺 、
三氟乙酸 作用下,
以
甲苯 为溶剂,
生成 1-O-[[(2R,3S,4R,5R)-5-(6-chloropurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl] 4-O-[(1S,2S,3R,4S,7R,10R,11R,12R,15S)-4,12-diacetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-2-benzoyloxy-1-hydroxy-10,14,17,17-tetramethyl-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-11-yl] butanedioate