Tracking an Fe V(O) Intermediate for Water Oxidation in Water
Abstract High‐valent iron‐oxo species are appealing for conducting O−O bond formation for water oxidation reactions. However, their high reactivity poses a great challenge to the dissection of their chemical transformations. Herein, we introduce an electron‐rich and oxidation‐resistant ligand, 2‐[(2,2′‐bipyridin)‐6‐yl]propan‐2‐ol to stabilize such fleeting intermediates. Advanced spectroscopies and electrochemical studies demonstrate a high‐valent Fe V(O) species formation in water. Combining kinetic and oxygen isotope labelling experiments and organic reactions indicates that the Fe V(O) species is responsible for O−O bond formation via water nucleophilic attack under the real catalytic water oxidation conditions..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:62 |
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| Enthalten in: |
Angewandte Chemie International Edition - 62(2023), 36 |
| Beteiligte Personen: |
Wei, Xiang‐Zhu [VerfasserIn] |
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| Anmerkungen: |
© 2023 Wiley‐VCH GmbH |
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| Umfang: |
6 |
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| doi: |
10.1002/anie.202308192 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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WLY015037835 |
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| 520 | |a Abstract High‐valent iron‐oxo species are appealing for conducting O−O bond formation for water oxidation reactions. However, their high reactivity poses a great challenge to the dissection of their chemical transformations. Herein, we introduce an electron‐rich and oxidation‐resistant ligand, 2‐[(2,2′‐bipyridin)‐6‐yl]propan‐2‐ol to stabilize such fleeting intermediates. Advanced spectroscopies and electrochemical studies demonstrate a high‐valent Fe V(O) species formation in water. Combining kinetic and oxygen isotope labelling experiments and organic reactions indicates that the Fe V(O) species is responsible for O−O bond formation via water nucleophilic attack under the real catalytic water oxidation conditions. | ||
| 700 | 1 | |a Ding, Tian‐Yu |4 aut | |
| 700 | 1 | |a Wang, Yang |4 aut | |
| 700 | 1 | |a Yang, Bing |4 aut | |
| 700 | 1 | |a Yang, Qing‐Qing |4 aut | |
| 700 | 1 | |a Ye, Shengfa |4 aut | |
| 700 | 1 | |a Tung, Chen‐Ho |4 aut | |
| 700 | 1 | |a Wu, Li‐Zhu |4 aut | |
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