(R)-3-((5S,7R,8R,9S,10S,12S,13R,14S,17R)-7,12-Dihydroxy-10,13-dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-butyric acid methyl ester 在
platinum(IV) oxide 盐酸 、
氢气 作用下,
以
溶剂黄146 为溶剂,
生成 methyl (3R)-3-[(3S,5R,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-trihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]butanoate