title: Optically specific synthesis of estrone and 19-norsteroids from 2,6-lutidine.
mesh_terms: D004963:Estrenes / Q000138:chemical synthesis*; D004970:Estrone / Q000138:chemical synthesis*; D008722:Methods; D009904:Optical Rotation; D011725:Pyridines
chemical_list: D004963:Estrenes; D011725:Pyridines; C013093:2,6-lutidine; D004970:Estrone