title: Synthesis of steroids containing the  -keto acid side-chain.
mesh_terms: D000447:Aldehydes; D000731:Androstanes / Q000138:chemical synthesis; D002264:Carboxylic Acids; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D002857:Chromium; D003486:Cyanides; D003903:Deuterium; D003978:Diazomethane; D007259:Infrared Rays; D007651:Keto Acids / Q000138:chemical synthesis*; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D008751:Methylene Blue; D009904:Optical Rotation; D010084:Oxidation-Reduction; D010087:Oxides; D010504:Periodic Acid; D011188:Potassium; D011278:Pregnanes / Q000138:chemical synthesis*; D011725:Pyridines; D013053:Spectrophotometry
chemical_list: D000447:Aldehydes; D000731:Androstanes; D002264:Carboxylic Acids; D003486:Cyanides; D007651:Keto Acids; D010087:Oxides; D011278:Pregnanes; D011725:Pyridines; D002857:Chromium; D010504:Periodic Acid; D003978:Diazomethane; D003903:Deuterium; D011188:Potassium; D008751:Methylene Blue