Synthetic studies in steroidal sapogenins and alkaloids. IV. Stereochemistry of Michael addition to 5,17(20)-pregnadien-3-beta-ol-16-ones.
D000470:Alkaloids; D055598:Chemical Phenomena; D002621:Chemistry; D009584:Nitrogen; D011278:Pregnanes; D012503:Saponins; D013256:Steroids
D000470:Alkaloids; D011278:Pregnanes; D012503:Saponins; D013256:Steroids; D009584:Nitrogen