title: Investigations on sterols. 39. Synthesis and progestational activities of some 16-methylene-17 -acetoxy-9 ,10 -pregna-4,6-diene-3,20-dione derivatives.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001952:Bridged-Ring Compounds / Q000008:administration & dosage / Q000138:chemical synthesis / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D005260:Female; D007664:Ketosteroids / Q000008:administration & dosage / Q000138:chemical synthesis / Q000494:pharmacology; D009682:Magnetic Resonance Spectroscopy; D009904:Optical Rotation; D011278:Pregnanes / Q000008:administration & dosage / Q000138:chemical synthesis* / Q000494:pharmacology; D011372:Progestins / Q000008:administration & dosage / Q000138:chemical synthesis* / Q000494:pharmacology; D011817:Rabbits; D013055:Spectrophotometry, Infrared; D013329:Structure-Activity Relationship; D014599:Uterus / Q000187:drug effects
chemical_list: D001952:Bridged-Ring Compounds; D007664:Ketosteroids; D011278:Pregnanes; D011372:Progestins