(E)-(S)-2-[(3S,8S,9S,10R,13S,14S,17S)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-methyl-5-phenylsulfanyl-hepta-3,5-dien-2-ol 在
nickel dichloride 作用下,
以
水 、
叔丁醇 为溶剂,
反应 24.0h,
以73%的产率得到(3Z,5E)-6-[(3S,8S,9S,10R,13S,14S,17R)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-3-phenylsulfanyl-hepta-3,5-dien-2-ol