Synthesis of a novel twisted π-conjugated macrocycle via double Friedel–Crafts reaction and its physical properties

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  • Jiang, Zhiyan
    Department of Interdisciplinary Engineering Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
  • Kuninobu, Yoichiro
    Institute for Materials Chemistry and Engineering, Kyushu University Department of Interdisciplinary Engineering Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University

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  • Synthesis of a novel twisted π-conjugated macrocycle <i>via</i> double Friedel–Crafts reaction and its physical properties

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We synthesized a cyclic molecule from diarylalkynes and Meldrum's acid derivatives as the methylenation reagent via double Friedel–Crafts reaction. Single-crystal X-ray structure analysis confirmed the twisted structure of the molecule. We also investigated their physical properties and homoconjugation by UV-Vis, photoluminescence, DFT and TD-DFT calculations.

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