[(1R,5S,9S,10R,11R,12S,15R)-15-[(Z)-2-[2-bromo-5-[(2S,3R,4R,5S,6S)-3,4,5-trimethoxy-6-methyloxan-2-yl]oxyphenyl]ethenyl]-11-[tert-butyl(dimethyl)silyl]oxy-5-ethyl-10-methyl-3-oxo-4-oxabicyclo[10.3.0]pentadec-13-en-9-yl] acetate 在
吡啶 、 trans-di(μ-acetato)bis[o-(di-o-tolylphosphino)benzyl]dipalladium(II) 、
四丁基醋酸铵 、
potassium carbonate 、
氟化氢吡啶 作用下,
以
甲醇 、
水 、
N,N-二甲基甲酰胺 、
乙腈 为溶剂,
反应 22.21h,
生成
(1R,2R,11R,14S,15R,16S,20S)-20-ethyl-14,16-dihydroxy-15-methyl-7-[(2S,3R,4R,5S,6S)-3,4,5-trimethoxy-6-methyloxan-2-yl]oxy-21-oxatetracyclo[11.10.0.02,11.05,10]tricosa-3,5(10),6,8,12-pentaen-22-one