| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Open-shell singlet diradicaloids with a polycyclic π-conjugated backbone are of considerable interest due to the fascinating nature of their π-bonds and owing to their unique optical, electrochemical, and magnetic properties. In this work, we designed aromatics-fused dicyclopentanaphthalenes as well as difluorenofurans as novel diradicaloids possessing a para-quinodimethane moiety and established their efficient synthetic routes. Detailed structural and spectroscopic investigation on their physicochemical properties revealed distinctive diradical characters and electronic properties of redox species. For the development of diradicaloids including nitrogen atoms, we also designed and synthesized sulfur and carbon-bridged triphenylamine and isolated its radical cationic salt.
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