(3aR,4S,8S,9S,9aS,9bR)-8-hydroxy-6,9-dimethyl-2-oxo-2,3,3a,4,5,7,8,9,9a,9b-decahydroazuleno[4,5-b]furan-4-yl acetate 在
sodium bromate 、
sodium hydrogensulfite 作用下,
以
水 、
乙腈 为溶剂,
反应 48.0h,
以80%的产率得到(3aR,4S,6R,6aS,8S,9S,9aR,9bS)-8-hydroxy-6,9-dimethyl-6,6a-epoxy-2-oxo-2,3,3a,4,5,7,8,9,9a,9b-decahydroazuleno[4,5-b]furan-4-yl acetate