(Z)-5-[(1R,2R,3aS,7aS)-2-Hydroxy-1-((E)-(R)-3-hydroxy-4,4-dimethyl-non-1-en-6-ynyl)-2,3,3a,6,7,7a-hexahydro-1H-inden-5-yl]-pent-4-enoic acid ethyl ester 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
以98%的产率得到(Z)-5-[(1R,2R,3aS,7aS)-2-Hydroxy-1-((E)-(R)-3-hydroxy-4,4-dimethyl-non-1-en-6-ynyl)-2,3,3a,6,7,7a-hexahydro-1H-inden-5-yl]-pent-4-enoic acid