(2Z,6E,10Z)-9-Hydroxy-11-[2-(5-hydroxy-2,5-dimethyl-cyclopent-1-enyl)-ethyl]-7,13-dimethyl-2-triethylsilanylmethyl-tetradeca-2,6,10,12-tetraenoic acid isopropyl ester 在
三氟乙酸 作用下,
生成 2-[(3aS,3bS,8aS,8bR,9S,10aR)-9-Hydroxy-6,8a,10a-trimethyl-3b-(2-methyl-propenyl)-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