Creation of polycyclic aromatic compound type fused-azulenes aimed for the organic electronics
| Project/Area Number |
17K05780
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Organic chemistry
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| Research Institution | Shinshu University |
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Principal Investigator |
Shoji Taku 信州大学, 学術研究院理学系, 准教授 (60581014)
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| Project Period (FY) |
2017-04-01 – 2022-03-31
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| Project Status |
Completed (Fiscal Year 2021)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | アズレン / 縮環アズレン / 多環式芳香族化合物 / 含窒素複素環 / 発光性色素 / エレクトロクロミズム / 有機電子材料 / 多環式芳香環 / チオフェン / 環化付加反応 / ドナー・アクセプターシステム / 芳香族求核置換反応 / 芳香族イミド / 環化縮合反応 / 有機合成化学 |
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| Outline of Final Research Achievements |
We developed a method for the preparation of ring-fused azulene derivatives and evaluated their optical and electrochemical properties for application to organic electronics. As a result, the fused-azulene derivatives prepared in this project are found to exhibit unique fluorescent properties that are dependent on the pH of the solution. Furthermore, the the fused-azulene derivatives are also revealed to exhibit the electrochromism, which is a reversible and remarkable color change under the electrochemical redox conditions.
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| Academic Significance and Societal Importance of the Research Achievements |
本課題で新たに合成した縮環アズレン類は電気的刺激によって顕著に色調が変化することからディスプレイ素子等の有機電子材料への応用が期待できる。また、一連の縮環アズレン類はpHに依存して発光を示すことが明らかとなったため、生体細胞の発光性染色色素等への応用にも期待がもたれる結果が得られた。
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Report
(6 results)
Research Products
(74 results)
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[Journal Article] Synthesis and photophysical properties of azuleno[1′,2′:4,5]pyrrolo[2,1-b]quinazoline-6,14-diones: Azulene analogs of tryptanthrin2018
Author(s)
Chieko Kogawa, Asuka Fujiwara, Ryuta Sekiguchi, Taku Shoji, Jun Kawakami, Masaaki Okazaki, Shunji Ito*
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Journal Title
Tetrahedron
Volume: 74
Issue: 49
Pages: 7018-7029
DOI
Related Report
Peer Reviewed
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