(1aR,1a'R,3aR,3bS,3a'R,3b'S,5aR,5a'R,6R,6'R,8aS,8bS,8a'S,8b'S,10R,10aR,10'R,10a'R)-6,6'-((2R,17R)-octadecane-2,17-diyl)bis(10-methoxy-3a,5a-dimethylhexadecahydrocyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalene) 在
水 、
对甲苯磺酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
以82%的产率得到(3S,8S,9S,10R,13R,14S,17R)-17-[(2R,17R)-17-[(3S,8S,9S,10R,13R,14S,17R)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]octadecan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol