(3S,4S)-4-((1aR,3aR,3bS,5aS,8aS,8bR,10R)-10-Methoxy-3a,5a-dimethyl-1,1a,2,3,3a,3b,4,5,5a,8,8a,8b,9,10-tetradecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-pent-1-yn-3-ol 在
platinum(IV) oxide 氢气 、
对甲苯磺酸 作用下,
以
1,4-二氧六环 、
甲醇 、
水 为溶剂,
生成
(3S,8S,9S,10R,13S,14S,17R)-17-((1S,2R)-2-Hydroxy-1-methyl-butyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol