title: Some observations on the preparation of 2-hydroxy-steroid 4-en-3 ones.
mesh_terms: D000735:Androstenedione / Q000138:chemical synthesis*; D002942:Circular Dichroism; D004962:Estranes / Q000138:chemical synthesis*; D006914:Hydroxysteroids / Q000138:chemical synthesis; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation
chemical_list: D004962:Estranes; D006914:Hydroxysteroids; D000735:Androstenedione