[(1S,3E,5S,9S,11S,15R,19R,21S,23E,24S)-11-(4-bromophenyl)-1,15-dihydroxy-19-(hydroxymethyl)-23-(2-methoxy-2-oxoethylidene)-2,2-dimethyl-17-oxo-6,12,18,25,26-pentaoxatricyclo[19.3.1.15,9]hexacos-3-en-24-yl] octanoate 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
50.0~55.0 ℃
、101.32 kPa
条件下,
反应 4.0h,
以73%的产率得到[(1S,3E,5S,9S,11S,15R,19R,21S,23E,24S)-1,15-dihydroxy-19-(hydroxymethyl)-23-(2-methoxy-2-oxoethylidene)-2,2-dimethyl-17-oxo-11-phenyl-6,12,18,25,26-pentaoxatricyclo[19.3.1.15,9]hexacos-3-en-24-yl] octanoate