methyl 4-((1R,3aS,8bS)-1-(2-methylprop-1-enyl)-2-oxo-2,3,3a,8b-tetrahydro-1Hbenzo[b]cyclopenta[d]furan-5-yl)butanoate 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 1.0h,
以85%的产率得到methyl 4-((1R,2R,3aS,8bS)-2-hydroxy-1-(2-methylprop-1-enyl)-2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan-5-yl)butanoate