[(1S,3E,5S,9S,11S,15R,19R,21S,23E,24S)-11-[1-(2-chloroacetyl)oxy-2-methylpropan-2-yl]-1,15-dihydroxy-23-(2-methoxy-2-oxoethylidene)-2,2-dimethyl-13,17-dioxo-19-[(1R)-1-phenylmethoxyethyl]-6,12,18,25,26-pentaoxatricyclo[19.3.1.15,9]hexacos-3-en-24-yl] octanoate 在
硫脲 作用下,
以
四氢呋喃 为溶剂,
反应 96.0h,
生成 Octanoic acid (E)-(1S,5S,9S,11S,17R,21R,23S,26S)-21-((R)-1-benzyloxy-ethyl)-1,11,17-trihydroxy-25-[1-methoxycarbonyl-meth-(E)-ylidene]-2,2,12,12-tetramethyl-15,19-dioxo-6,14,20,27,28-pentaoxa-tricyclo[21.3.1.1
5,9]octacos-3-en-26-yl ester 、 [(1S,3E,5S,9S,11S,15R,19R,21S,23E,24S)-1,15-dihydroxy-11-(1-hydroxy-2-methylpropan-2-yl)-23-(2-methoxy-2-oxoethylidene)-2,2-dimethyl-13,17-dioxo-19-[(1R)-1-phenylmethoxyethyl]-6,12,18,25,26-pentaoxatricyclo[19.3.1.15,9]hexacos-3-en-24-yl] octanoate