Highly electron-deficient hexaazapentacenes and their dihydro precursors |
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Authors: | Zikai He Renxin Mao Danqing Liu Qian Miao |
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Institution: | Department of Chemistry, The Chinese University of Hong Kong , Shatin, New Territories, Hong Kong, China. |
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Abstract: | Novel silylethynylated N-heteropentacenes that have three adjacent pyrazine rings at the center of a pentacene backbone are reported. These hexaazapentacenes exhibit a record low energy level of lowest unoccupied molecular orbital (LUMO) for N-heteropentacenes and thus are able to oxidize dihydroanthracene to anthracene. Their synthetic precursors are the corresponding dihydrohexaazapentacenes, which exhibit interesting H-bonding. |
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