| Project/Area Number |
18K05100
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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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| Review Section |
Basic Section 33020:Synthetic organic chemistry-related
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
Koizumi Take-aki 東京工業大学, 物質理工学院, 特任准教授 (60322674)
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| Project Period (FY) |
2018-04-01 – 2021-03-31
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| Project Status |
Completed (Fiscal Year 2020)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | 再生可能ヒドリド / 電気化学的還元 / ルテニウム / 1,9,10-アンチリジン / イリジウム / カルボニル錯体 / 遷移金属錯体 / NAD+/NADH型酸化還元 / 電気化学 / 再生可能有機ヒドリド / 還元反応 / 二酸化炭素還元 |
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| Outline of Final Research Achievements |
The purpose of this study is to develop an electrocatalytic system that can reduce organic substrates with high efficiency by using renewable hydride. We succeeded in synthesizing new metal complexes having dbanth, which is a ligand that can interact with a carbonyl ligand by electrochemical reduction. New findings have been obtained about their structures, unique behavior in solution, and electrochemical properties. As a result of the controlled potential electrolysis using [Ru(CO)(κN-dbanth)(bpy)2](PF6)2, the progress of the reduction is strongly suggested, and a signal considered to be derived from the reduction product is obtained by the measurement of 1H-NMR. These results provided important findings for the construction of a multi-electron reduction system for organics and carbon dioxide using renewable hydride in the future.
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| Academic Significance and Societal Importance of the Research Achievements |
本研究は、再生可能ヒドリドを創製できる金属錯体の開発、および有機物をより高効率に還元できるシステムの構築を目的とする。本研究では、再生可能ヒドリドを生成しうる化合物として最も有望なNAD+/NADH型酸化還元対の機能をもつ錯体の合成に取り組み、新しい構造・機能を有する数種類の金属錯体を得るに至った。さらに、電気化学的還元反応により、再生可能なヒドリドを含むNADH型構造をもつ錯体が生成したと考えられる結果が得られた。本研究により、電気エネルギーと化学エネルギーの相互変換システム構築に向けた新たな知見が得られたと考える。
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