title: Synthesis of beta,gamma-acetylenic 3-oxo steroids of the 5,10-seco series.
mesh_terms: D000480:Alkynes / Q000138:chemical synthesis; D002782:Cholestenes / Q000138:chemical synthesis; D007664:Ketosteroids / Q000138:chemical synthesis*; D008722:Methods; D010084:Oxidation-Reduction; D012632:Secosteroids / Q000138:chemical synthesis*
chemical_list: D000480:Alkynes; D002782:Cholestenes; D007664:Ketosteroids; D012632:Secosteroids