[(1R,3Z,5R)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-(methoxymethoxy)-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-5-hydroxycyclohexyl] acetate 、
(1R,3R,E)-3-hydroxy-5-(2-((1R,3aS,7aR,E)-1-((R)-6-(methoxymethoxy)-6-methylheptan-2-yl)-7a-methyloctahydro-4H-inden-4-ylidene)ethylidene)cyclohexyl acetate 在
氢氧化钾 作用下,
以
乙醇 为溶剂,
反应 1.0h,
以73%的产率得到(1R,3R)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-(methoxymethoxy)-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]cyclohexane-1,3-diol