(2R,3R,4S,5R,6R)-3,4-Bis-benzyloxy-2-benzyloxymethyl-6-[(3S,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yloxy]-5-phenylsulfanyl-tetrahydro-pyran 在
palladium on activated charcoal
吡啶 、 Raney nickel WII 、
氢气 作用下,
以
四氢呋喃 为溶剂,
反应 11.5h,
生成
Acetic acid (2R,3S,4R,6R)-3-acetoxy-2-acetoxymethyl-6-[(3S,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yloxy]-tetrahydro-pyran-4-yl ester