(R)-6-[(S)-1-((1aR,3aR,3bS,5aS,6R,8aS,8bS,10R,10aR)-10-Methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-ethyl]-tetrahydro-pyran-2-ol 在
重铬酸吡啶 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以91%的产率得到(R)-6-[(S)-1-((1aR,3aR,3bS,5aS,6R,8aS,8bS,10R,10aR)-10-Methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-ethyl]-tetrahydro-pyran-2-one