(1R,3aS,3bS,5aR,6S,7S,10aR,10bS,12aR)-6-Bromo-1-((R)-1,5-dimethyl-hexyl)-10a,12a-dimethyl-octadecahydro-cyclohepta[a]cyclopenta[f]naphthalen-7-ol 在
chromium(VI) oxide 、
硫酸 作用下,
以
丙酮 为溶剂,
生成
(1R,3aS,3bS,5aR,7S,10aR,10bS,12aR)-7-Bromo-1-((R)-1,5-dimethyl-hexyl)-10a,12a-dimethyl-hexadecahydro-cyclohepta[a]cyclopenta[f]naphthalen-6-one