title: [Synthesis of methylenedioxy- and ethylenedioxycoumarin derivatives (author's transl)].
mesh_terms: D003374:Coumarins / Q000138:chemical synthesis*; D004146:Dioxanes / Q000138:chemical synthesis; D004148:Dioxolanes / Q000138:chemical synthesis
chemical_list: D003374:Coumarins; D004146:Dioxanes; D004148:Dioxolanes