[(2S,3S,5R,7R)-5-acetyloxy-7-[tert-butyl(dimethyl)silyl]oxy-10-iodo-6,6-dimethyl-2-[(3R)-5-methyl-1-oxo-6,8-bis[tri(propan-2-yl)silyloxy]-3,4-dihydroisochromen-3-yl]dec-9-en-3-yl] acetate 、
4-苯基丁酰胺 在
copper(l) iodide 、
caesium carbonate 、
N,N'-二甲基乙二胺 作用下,
以
甲苯 为溶剂,
生成 、
(R)-3-((2R,3S,5R,7R,E)-7-((tert-butyldimethylsilyl)oxy)-3,5-dihydroxy-6,6-dimethyl-10-(4-phenylbutanamido)dec-9-en-2-yl)-5-methyl-1-oxo-8-((triisopropylsilyl)oxy)isochroman-6-yl acetate