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タイトル: | Mechanochemical nitrogen fixation catalysed by molybdenum complexes |
著者: | Suginome, Shun Murota, Kurumi Yamamoto, Akira ![]() ![]() Yoshida, Hisao ![]() ![]() ![]() Nishibayashi, Yoshiaki |
著者名の別形: | 杉野目, 駿 室田, 来実 山本, 旭 吉田, 寿雄 西林, 仁昭 |
キーワード: | Catalysis Organometallic chemistry |
発行日: | Feb-2025 |
出版者: | Springer Nature |
誌名: | Nature Synthesis |
巻: | 4 |
号: | 2 |
開始ページ: | 243 |
終了ページ: | 251 |
抄録: | Transition metal-catalysed mechanochemical reactions using ball milling have emerged as important tools to realize unique organic transformations. Mechanochemical reactions have advantages over conventional homogeneous reactions, such as using a small amount of organic solvent, having a broad substrate scope and being generally fast and selective reactions. An increasing number of mechanochemical reactions between solid substrates have been examined, but only a few examples of mechanochemical reactions involving gaseous substrates, such as nitrogen fixation to convert dinitrogen into ammonia, have been reported until now. Here we develop catalytic mechanochemical nitrogen fixation using molybdenum complexes as molecular catalysts. An atmospheric pressure of dinitrogen was reacted with samarium diiodide as a reductant and water or alcohols as proton sources in the presence of the molybdenum catalysts, using ball milling under solvent-free and near-ambient reaction conditions to afford up to 860 equivalents of ammonia based on the catalyst. In addition, we demonstrated that even insoluble cellulose can be applied as the proton source. Further, we revealed that the molybdenum-catalysed mechanochemical nitrogen fixation proceeds via nitrogen–nitrogen bond cleavage at the gas–solid interface and nitrogen–hydrogen bond formation in the solid phase. |
記述: | 有機溶媒を全く用いず分子触媒によるメカノケミカルアンモニア合成に成功! -- 窒素ガスとセルロースからのアンモニア合成が可能に --. 京都大学プレスリリース. 2024-10-10. |
著作権等: | © The Author(s) 2024 This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. |
URI: | http://hdl.handle.net/2433/290596 |
DOI(出版社版): | 10.1038/s44160-024-00661-y |
関連リンク: | https://www.kyoto-u.ac.jp/ja/research-news/2024-10-10 |
出現コレクション: | 学術雑誌掲載論文等 |

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