(7R,10E,12aS,13S,16aR)-7-[(1R)-1-(benzyloxy)ethyl]-2,3,6,7,12a,13,14,15,16,16a-decahydro-13,16a-dimethyl-5H-1,4,8-benzotrioxacyclotetradecine-5,9(12H)-dione                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 1.5h,
                                                                                                                以91%的产率得到(7R,12aS,13S,16aR)-7-[(1R)-1-hydroxyethyl]-2,3,6,7,11,12,12a,13,14,15,16,16a-dodecahydro-13,16a-dimethyl-5H-1,4,8-benzotrioxacyclotetradecine-5,9(10H)-dione