title: Nor steroids. X. Synthesis of A-nor steroids via the Dieckmann condensation.
mesh_terms: D000478:Alkylation; D002776:Cholestanes; D004952:Esters; D006868:Hydrolysis; D008722:Methods; D009654:Norsteroids / Q000138:chemical synthesis*; D011278:Pregnanes
chemical_list: D002776:Cholestanes; D004952:Esters; D009654:Norsteroids; D011278:Pregnanes