(3S,5R,8R,9S,10S,13S,14S,15R)-3-Benzyloxy-17-(6-methoxy-pyridin-3-yl)-10,13-dimethyl-2,3,4,5,6,7,8,9,10,11,12,13,14,15-tetradecahydro-1H-cyclopenta[a]phenanthren-15-ol 在
Lindlar's catalyst
氢气 作用下,
以
乙醇 为溶剂,
以96%的产率得到(3S,5R,8R,9S,10S,13R,14S,15R,17S)-3-Benzyloxy-17-(6-methoxy-pyridin-3-yl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-15-ol