(2S,3R,4R,4aS,5aS,6aR,7aR,8S,9S,10S,11aR,12aS,13aS,14R,14aR)-8,14-bis(benzyloxy)-10-(2-(benzyloxy)ethyl)-2-cyclohexylhexadecahydro-2H-pyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-e]pyran-3,4,9-triol 在
palladium dihydroxide 氢气 作用下,
以
乙醇 为溶剂,
反应 18.0h,
以70%的产率得到(1S,3R,4R,5R,7S,8R,9R,10S,12S,14R,16S,17S,18R,19S,21R)-7-cyclohexyl-19-(2-hydroxyethyl)-2,6,11,15,20-pentaoxapentacyclo[12.8.0.03,12.05,10.016,21]docosane-4,8,9,17,18-pentol