(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