5-[(3aS,5R,6aS)-6-Formyl-5-(tetrahydro-pyran-2-yloxy)-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pent-4-ynoic acid methyl ester 在
sodium tetrahydroborate 、 sodium hydride 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
生成 5-[(3aR,5S,6aR)-5-Hydroxy-6-((E)-(R)-3-hydroxy-oct-1-enyl)-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pent-4-ynoic acid methyl ester