title: [Cyclisation of sulfonium salts to novel thiophenes (author's transl)].
mesh_terms: D003500:Cyclization; D009861:Onium Compounds; D013056:Spectrophotometry, Ultraviolet; D013440:Sulfides; D013876:Thiophenes / Q000138:chemical synthesis*
chemical_list: D009861:Onium Compounds; D013440:Sulfides; D013876:Thiophenes
vernacular_title: Cyclisierung von Sulfoniumsalzen zu neuartigen Thiophenen