Octanoic acid (E)-(1S,5S,9R,15R,19R,21S,24S)-19-((R)-1-benzyloxy-ethyl)-1,15-dihydroxy-23-[1-methoxycarbonyl-meth-(E)-ylidene]-2,2-dimethyl-17-oxo-6,12,18,25,26-pentaoxa-tricyclo[19.3.1.15,9]hexacos-3-en-24-yl ester                                                                                                                                                              在
                                                                                                                                         
palladium dihydroxide                                                                                                                                                                                                                               氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                                                        以79%的产率得到Octanoic acid (E)-(1S,5S,9R,15R,19R,21S,24S)-1,15-dihydroxy-19-((R)-1-hydroxy-ethyl)-23-[1-methoxycarbonyl-meth-(E)-ylidene]-2,2-dimethyl-17-oxo-6,12,18,25,26-pentaoxa-tricyclo[19.3.1.1
5,9]hexacos-3-en-24-yl ester