New 9.alpha.-hydroxy-17-methylene steroids are prepared by the introduction of a substituted 17-methylene group in 9.alpha.-hydroxyandrost-4-ene-3, 17-dione. The resulting compounds are useful starting compounds in the synthesis of corticosteroids.
新的9.alpha.-羟基-17-亚甲基类
固醇是通过在9.alpha.-羟基
雄烯酮-4-烯-3,17-二酮中引入一个取代的17-亚甲基基团来制备的。所得的化合物是合成皮质类
固醇中有用的起始化合物。