(S)-2-[(1S,2R,5S,8aS)-2,5-Dimethyl-5-(4-methyl-pent-4-enyl)-1,2,3,5,6,7,8,8a-octahydro-naphthalen-1-yl]-1-furan-3-yl-ethanol 在
氧气 、 rose bengal 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以48%的产率得到4-{(S)-2-[(1S,2R,5S,8aS)-2,5-Dimethyl-5-(4-methyl-pent-4-enyl)-1,2,3,5,6,7,8,8a-octahydro-naphthalen-1-yl]-1-hydroxy-ethyl}-5-hydroxy-5H-furan-2-one