(3bR,9bS)-6-hydroxy-7-isopropyl-9b-methyl-3b,4,10,11-tetrahydrophenanthro[2,1-c]furan-3,5(1H,9bH)-dione 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以84%的产率得到(3bR,5S,9bS)-5,6-dihydroxy-7-isopropyl-9b-methyl-3b,4,5,9b,10,11-hexahydrophenanthro[2,1-c]furan-3(1H)-one