affinogenin D-I 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以10 mg的产率得到3-[(2R,3R,5R,8R,9S,10S,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-11-oxo-2,3,4,5,6,7,8,9,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2H-furan-5-one