申请人:Hoffmann-La Roche Inc.
公开号:US04193940A1
公开(公告)日:1980-03-18
14.beta.-Hydroxyandrostanes and processes for the preparation thereof in which the 14.beta.-hydroxy group is fabricated internally by means of a novel cyclization of 8,14-seco-4,6,9(11)-androstatrien-3,14,17-triones is disclosed. The 14.beta.-hydroxyandrostanes are useful as precursors for the synthesis of cardenolides and related products.
本发明涉及14β-羟基雄烷和其制备方法,其中14β-羟基基团通过一种新颖的8,14-去氧-4,6,9(11)-雄甾三烯-3,14,17-三酮环化内部制备。14β-羟基雄烷可用作合成强心苷及相关产品的前体。