(4aR,4bS,5S,6aS,6bS,9aR,10aS,10bS)-6b-glycoloyl-5-hydroxy-4a,6a-dimethyl-8-propyl-3,4,4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-tetradecahydro-2H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one 在
过碘酸 、
碳酸氢钠 、
盐酸 、
sodium hydroxide 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 4.5h,
以51%的产率得到(4aR,4bS,5S,6aS,6bS,9aR,10aS,10bS)-6b-carboxy-5-hydroxy-4a,6a-dimethyl-8-propyl-3,4,4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-tetradecahydro-2H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one