1-((1R,3aS,5R,6S,9aS)-6-Hydroxy-1,5,8,8-tetramethyl-decahydro-cyclopentacycloocten-3a-yl)-ethanone 在
magnesium monoperoxyphthalate hexahydrate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以86%的产率得到(1S,4R,5S,9S,13R)-4,7,7,13-Tetramethyl-10-oxa-tricyclo[7.2.2.0
1,5]tridecan-11-one