17-Methoxymethylen-5β-oestr-8(14)-en-3Sb-ol 在
对甲苯磺酸 作用下,
以
丙酮 为溶剂,
反应 1.0h,
生成 (3S,5R,9R,10S,13R,17R)-3-Hydroxy-13-methyl-2,3,4,5,6,7,9,10,11,12,13,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carbaldehyde 、
(3S,5R,9R,10S,13R,17S)-3-Hydroxy-13-methyl-2,3,4,5,6,7,9,10,11,12,13,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carbaldehyde