(3aS,4R,5R,5aS,8aS,8bS)-5-((3aS,4R,7aR)-2,2-Dimethyl-3a,4,5,7a-tetrahydro-benzo[1,3]dioxol-4-yloxy)-2,2,7,7-tetramethyl-hexahydro-benzo[1,2-d;3,4-d']bis[1,3]dioxol-4-ol 在
disodium hydrogenphosphate 、 urea hydroperoxide 、
三氟乙酸酐 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以86%的产率得到(3aS,4R,5R,5aS,8aS,8bS)-5-((1aS,3R,3aS,6aR,6bS)-5,5-Dimethyl-hexahydro-1,4,6-trioxa-cyclopropa[e]inden-3-yloxy)-2,2,7,7-tetramethyl-hexahydro-benzo[1,2-d;3,4-d']bis[1,3]dioxol-4-ol