Facile Synthesis of 1,4‐Bis(diaryl)‐1,3‐butadiynes Bearing Two Amino Moieties by Electrochemical Reaction‐Site Switching, and Their Solvatochromic Fluorescence

  • Natsuyo Kamimoto
    Division of Applied Chemistry Graduate School of Natural Science and Technology Okayama University 3-1-1 Tsushima-naka, Kita-ku Okayama 700-8530 Japan
  • Nariaki Nakamura
    Division of Applied Chemistry Graduate School of Natural Science and Technology Okayama University 3-1-1 Tsushima-naka, Kita-ku Okayama 700-8530 Japan
  • Akina Tsutsumi
    Division of Applied Chemistry Graduate School of Natural Science and Technology Okayama University 3-1-1 Tsushima-naka, Kita-ku Okayama 700-8530 Japan
  • Hiroki Mandai
    Division of Applied Chemistry Graduate School of Natural Science and Technology Okayama University 3-1-1 Tsushima-naka, Kita-ku Okayama 700-8530 Japan
  • Koichi Mitsudo
    Division of Applied Chemistry Graduate School of Natural Science and Technology Okayama University 3-1-1 Tsushima-naka, Kita-ku Okayama 700-8530 Japan
  • Atsushi Wakamiya
    Institute for Chemical Research Kyoto University, Uji Kyoto 611-0011 Japan
  • Yasujiro Murata
    Institute for Chemical Research Kyoto University, Uji Kyoto 611-0011 Japan
  • Jun‐ya Hasegawa
    Institute for Catalysis Hokkaido University Kita21, Nishi10, Kita-ku, Sapporo Hokkaido 001-0021 Japan
  • Seiji Suga
    Division of Applied Chemistry Graduate School of Natural Science and Technology Okayama University 3-1-1 Tsushima-naka, Kita-ku Okayama 700-8530 Japan

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<jats:title>Abstract</jats:title><jats:p>Bis(diaryl)‐1,3‐butadiynes bearing two amino moieties were easily synthesized by a sequential coupling reaction by using an electrochemical method. This sequential reaction consists of electrochemical oxidative homocoupling and Suzuki–Miyaura coupling. The fluorescence of the obtained bis(diaryl)‐1,3‐butadiynes is solvatochromic despite their symmetric linear structure and lack of a strong acceptor moiety.</jats:p>

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