A Sterically Congested Nitrogenated Benzodipentaphene with a Double π-Expanded Helicene Structure.
Fengkun ChenWenting GuAkinori SaekiManuel Melle-FrancoAurelio Mateo-AlonsoPublished in: Organic letters (2020)
Herein, we describe a series of three sterically congested nitrogenated benzodipentaphenes, one of which shows a highly distorted aromatic backbone with an unprecedented double π-expanded helicene structure.
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