title: Steroids and related products. XXXVII. 11-Aza steroids. II. The synthesis of 11-aza 9 -steroids. I.
mesh_terms: D000085:Acetates; D001372:Aza Compounds / Q000138:chemical synthesis; D001386:Azides / Q000138:chemical synthesis; D002384:Catalysis; D003500:Cyclization; D004126:Dimethylformamide; D006868:Hydrolysis; D007651:Keto Acids / Q000138:chemical synthesis; D008722:Methods; D010087:Oxides; D010984:Platinum; D011283:Pregnenes / Q000138:chemical synthesis; D013150:Spirostans / Q000138:chemical synthesis; D013256:Steroids / Q000138:chemical synthesis*; D014105:Tosyl Compounds / Q000138:chemical synthesis
chemical_list: D000085:Acetates; D001372:Aza Compounds; D001386:Azides; D007651:Keto Acids; D010087:Oxides; D011283:Pregnenes; D013150:Spirostans; D013256:Steroids; D014105:Tosyl Compounds; D010984:Platinum; D004126:Dimethylformamide