(2Z,6E,10E)-9-Hydroxy-13-(5-hydroxy-2,5-dimethyl-cyclopent-1-enyl)-7-methyl-2-triethylsilanylmethyl-trideca-2,6,10-trienoic acid isopropyl ester 在
三氟乙酸 作用下,
生成 2-((3aS,3bS,8aR,8bS,9R,10aS)-9-Hydroxy-6,8a,10a-trimethyl-1,2,3,3a,3b,4,5,7,8,8a,8b,9,10,10a-tetradecahydro-dicyclopenta[a,f]naphthalen-1-yl)-acrylic acid isopropyl ester