2023 Fiscal Year Final Research Report
Development of generating and immobilization method for metal sub-nanoclusters by an organometallic approach and their catalytic functions
| Project/Area Number |
21K04837
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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 28030:Nanomaterials-related
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| Research Institution | Toyota Technological Institute |
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Principal Investigator |
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| Project Period (FY) |
2021-04-01 – 2024-03-31
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| Keywords | 金属錯体 / 金属クラスター / 不均一系触媒 / 水素化 / ヒドロシリル化 |
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| Outline of Final Research Achievements |
In this study, we focused on the subnano-sized (1 nm or less) metal clusters which are generated from well-designed metal complexes, and the application of these metal clusters to a practical heterogeneous catalytic reaction, especially hydrogenation and hidrosilylation of multiple bonds.
The representative results are as follows: 1) Pt clusters generated from platinum olefin complexes by the treatment with atmospheric hydrogen at ambient temperature in the presence of activated carbon or some divinylsiloxane derivatives act as efficient arene hydrogenation catalyst of functionalized aromatic compounds under mild conditions. 2) It was also revealed that Pd clusters, generated by treatment of palladium acetate complex supported on zirconia with atmospheric hydrogen at ambient temperature, showed excellent catalytic activity towards reductive N-alkylation of amines by using carbonyl compounds as an alkylation reagent.
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| Free Research Field |
有機合成化学
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| Academic Significance and Societal Importance of the Research Achievements |
ナノサイズの担持型金属クラスター触媒は持続可能な社会の発展を支える化学という観点から環境調和型物質製造プロセスを実現する鍵となっているが，さらなるクラスターサイズの制御による活性や効率の向上のみならず，新たな機能の開拓が望まれている．その1つの手段として現在広範に研究されている「ナノサイズ」より小さな，いわゆる「サブナノサイズ（1 nm以下）」の金属クラスターの科学が挙げられる．このサブナノクラスターの発生法の確立と特長(安定性，触媒機能)を明らかにすることは環境調和型物質合成に不可欠であり，本研究成果は新たな設計指針の提供とともに「超微小金属クラスター科学」の道を切り開くものと考える．
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