The invention relates to a new process for the preparation of 14-alpha-17-alpha-dihydroxy-17-beta-substituted steriods by reaction of 14-alpha-hydroxy-17-oxo-steroids with metal organic compounds. Furthermore, the invention relates to the 14-alpha-17-alpha-dihydroxy-17-beta- substituted steroids prepared by the new process and their use in the production of 14-alpha-17-alpha- methylenedioxypregnane derivatives.
本发明涉及一种通过 14-α-羟基-17-氧代类
固醇与
金属有机化合物反应制备 14-α-17-α-二羟基-17-β-取代类
固醇的新工艺。 此外,本发明还涉及通过新工艺制备的 14-α-17-α-二羟基-17-β-取代类
固醇及其在生产 14-α-17-α-亚甲基二氧
孕甾烷衍
生物中的用途。