(1S,3R,5R,9R,13R)-9-((R)-1-(benzyloxy)ethyl)-3-(4-(3-(benzyloxy)phenyl)butyl)-16,16-dimethyl-2,6,10,17-tetraoxatricyclo[11.3.1.11,5]octadecane-7,11-dione                                                                                                                                                              在
                                                                                                                                                                                 palladium 10% on activated carbon   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以83%的产率得到(1S,3R,5R,9R,13R)-9-[(1R)-1-hydroxyethyl]-3-[4-(3-hydroxyphenyl)butyl]-16,16-dimethyl-2,6,10,17-tetraoxatricyclo[11.3.1.11,5]octadecane-7,11-dione