Wangdong Zeng, Zhe Sun, Tun Seng Herng, Theo Goncalves, Tullimilli Y. Gopalakrishna, Kuo-Wei Huang, Jun Ding, Jishan Wu

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76 Scopus citations


The challenging synthesis of a laterally extended heptazethrene molecule, the super-heptazethrene derivative SHZ-CF3, is reported. This molecule was prepared using a strategy involving a multiple selective intramolecular Friedel–Crafts alkylation followed by oxidative dehydrogenation. Compound SHZ-CF3 exhibits an open-shell singlet diradical ground state with a much larger diradical character compared with the heptazethrene derivatives. An intermediate dibenzo-terrylene SHZ-2H was also obtained during the synthesis. This study provides a new synthetic method to access large-size quinoidal polycyclic hydrocarbons with unique physical properties.
Original languageEnglish (US)
Pages (from-to)8615-8619
Number of pages5
JournalAngewandte Chemie International Edition
Issue number30
StatePublished - May 30 2016


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