A series of diindeno[2,1-:2',1'-]biphenylenes with open-shell singlet ground states and interesting properties were prepared. The studied compounds consist of -quinodimethane moieties, which suffer from geometric perturbation with bond angles of around 90°. The substituent effects on structural parameters, local aromaticity, and properties were systematically explored.
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| http://dx.doi.org/10.1021/acs.orglett.1c03295 | DOI Listing |
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