title: [The synthesis of thia-protoberberine derivatives].
mesh_terms: D001599:Berberine / Q000031:analogs & derivatives / Q000032:analysis / Q000138:chemical synthesis*; D001600:Berberine Alkaloids / Q000138:chemical synthesis*; D008722:Methods
chemical_list: D001600:Berberine Alkaloids; D001599:Berberine
vernacular_title: Uber die Synthese von Thia-Protoberberinderivaten.