[(E)-[(1R,4aR,4bS,8aS,10aS)-1-[2-(furan-3-yl)ethyl]-4b,8,8,10a-tetramethyl-1,3,4,4a,5,6,7,8a,9,10-decahydrophenanthren-2-ylidene]methyl] hydrogen sulfate 在
吡啶 、 sodium tetrahydroborate 作用下,
以
1,4-二氧六环 、
甲醇 为溶剂,
反应 3.5h,
生成
[(1S,4aS,4bS,8aS,10aR)-1-[2-(furan-3-yl)ethyl]-4b,8,8,10a-tetramethyl-2,3,4,4a,5,6,7,8a,9,10-decahydro-1H-phenanthren-2-yl]methanol