2-{(1S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-3-[2-[(1R,3aS,7aR)-1-((S)-1,7-dimethyl-7-trimethylsilanyloxy-octyl)-7a-methyl-octahydro-inden-(4E)-ylidene]-eth-(Z)-ylidene]-2-methylene-cyclohexyloxy}-tetrahydro-pyran 在
camphor-10-sulfonic acid 作用下,
以
甲醇 、
水 为溶剂,
反应 6.0h,
生成
(1R,3S)-5-[2-[(1R,3aS,7aR)-1-((S)-7-Hydroxy-1,7-dimethyl-octyl)-7a-methyl-octahydro-inden-(4E)-ylidene]-eth-(Z)-ylidene]-4-methylene-cyclohexane-1,3-diol