Folding of fluorinated oligoarylenes into non-alternant PAHs with various topological shapesстатья
Статья опубликована в высокорейтинговом журнале
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 28 октября 2020 г.
Аннотация:An unprecedented [6]helicene’s cavity closure indicating the possibility of introducing seven-membered rings via alumina-mediated C–F activation is shown. This finding, in combination with a directed quadruple annulation of fluorinated oligoarylenes, opens a short pathway to elusive non-alternant PAHs. Starting with one fluorinated block, we have synthesized through a two-step procedure three new representatives with helical-, bowl- and saddle-shapes. Additionally, the structure–property relationship in these new PAHs is explored via theoretical, optical, and X-ray crystallographic studies.