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Electrochemical studies revealed very low oxidation potentials, which are due to the effective \u03c0\u2010interaction between the 1,4\u2010diphosphinine ring and the orbitals of the two ylidic C=S bonds. In accordance with the low\u2010lying LUMO, which is largely localized at the two phosphorus centers, dianion formation is strongly preferred. Despite the small HOMO\u2013LUMO gap, which is in accordance with the red color of the title compounds, theoretical calculations suggest considerable aromaticity for the 1,4\u2010diphosphinine ring.<\/jats:p>","DOI":"10.1002\/anie.201704070","type":"journal-article","created":{"date-parts":[[2017,6,6]],"date-time":"2017-06-06T13:23:13Z","timestamp":1496755393000},"page":"9231-9235","source":"Crossref","is-referenced-by-count":46,"title":["1,4\u2010Diphosphinines from Imidazole\u20102\u2010thiones"],"prefix":"10.1002","volume":"56","author":[{"given":"Abhishek","family":"Koner","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie der Rheinischen Friedrich-Wilhelms-Universit\u00e4t Bonn  Gerhard-Domagk-Strasse 1 53121 Bonn Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregor","family":"Pfeifer","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie der Rheinischen Friedrich-Wilhelms-Universit\u00e4t 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