Wurster-Type Nanographenes as Stable Diradical Dications.

Abstract

Three new and stable diradical dications based on the 4,10-dibromoanthanthrone have been synthesized and characterized. In their dicationic state, the amines show a biradical character in the ground state. Their magnetic properties have been investigated by NMR and EPR spectroscopies. The dicationic salts shows strong and broad optical absorption in the… (More)
DOI: 10.1002/chem.201706081

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