(4aR,4bS,5aS,6aR,6bS,10aR,12aR,12bS,14aR)-3,3,6b,10,10,12a,12b,14a-octamethyloctadecahydro-9H-piceno[12b,13-b]oxirene-6,9(5aH)-dione 在
lithium aluminium tetrahydride 作用下,
以
吡啶 为溶剂,
生成 Acetic acid (3S,4aR,6aR,6bS,8aR,12aR,12bS,14S,14aR,14bS)-12b,14-dihydroxy-4,4,6a,6b,8a,11,11,14b-octamethyl-docosahydro-picen-3-yl ester