(3S,5S,9R,10S,13R,14R,17R)-3-(2-Ethoxy-ethoxy)-17-[(S)-2-(2-ethoxy-ethoxy)-1-methyl-ethyl]-10,13,14-trimethyl-1,2,3,4,5,6,9,10,11,12,13,14,16,17-tetradecahydro-cyclopenta[a]phenanthren-15-one 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
生成
(3β,5α,14α,20S)-3-hydroxy-20-(hydroxymethyl)-14-methylpregn-7-en-15-one