title: A synthetic approach to the cephalotaxine skeleton.
mesh_terms: D000470:Alkaloids / Q000138:chemical synthesis*; D000970:Antineoplastic Agents / Q000138:chemical synthesis; D004149:Dioxoles / Q000138:chemical synthesis
chemical_list: D000470:Alkaloids; D000970:Antineoplastic Agents; D004149:Dioxoles