Ionic Liquid-Supported Photocatalysts: A Reusable Environmentally Friendly Oxidation Reaction System That Uses Air and Light
Abstract
1. Introduction
2. Results and Discussion
3. Materials and Methods
3.1. General Information Including Important Notices
3.2. Synthesis of the Substrates
3.2.1. General Procedure
3.2.2. 2-Bromomethyl-9,10-anthraquinone
3.2.3. 1-((9,10-Anthraquinon-2-yl)methyl)-3-methyl-1H-imidazol-3-ium Bromide IL-AQ(Br)
3.2.4. 1-((9,10-Anthraquinon-2-yl)methyl)-3-methyl-1H-imidazol-3-ium Bis(trifluoromethanesulfonyl) imide IL-AQ (TFSI)
3.2.5. 1-((9,10-Anthraquinon-2-yl)methyl)-3-methyl-1H-imidazol-3-ium Tetrafluoroborate IL-AQ (BF4)
3.2.6. 1-((9,10-Anthraquinon-2-yl)methyl)-3-methyl-1H-imidazol-3-ium Hexafluorophosphate IL-AQ (PF6)
3.2.7. Benzoic Acid
3.2.8. 4-Chlorobenzoic Acid
3.2.9. 4-Methylbenzoic Acid
3.2.10. 4-Acetoxybenzoic Acid
3.2.11. 4-(Tert-butyl) Benzoic Acid
3.2.12. [1,1′-Biphenyl]-4-carboxylic Acid
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Entry | Photocatalysts | Ionic Liquid | Yield b (%) |
---|---|---|---|
1 | IL-AQ(PF6) | (bmim)PF6 | 96 |
2 | IL-AQ(TFSI) | (bmim)TFSI | 98 |
3 | IL-AQ(BF4) | (bmim)BF4 | quant. |
4 | IL-AQ(Br) | (bmim)Br | 99 |
5 | IL-AQ(PF6) | (bmim)BF4 | 88 |
6 | IL-AQ(TFSI) | (bmim)BF4 | 91 |
7 | IL-AQ(Br) | (bmim)BF4 | 60 |
8 | anthraquinone | (bmim)BF4 | 98 |
9 c | IL-AQ(BF4) | (bmim)BF4 | n. r. |
10 | - | (bmim)BF4 | 40 |
11 d | IL-AQ(BF4) | (bmim)BF4 | 65 |
1b quant. | 2b 98% | 3b quant. |
4b 95% | 5b quant. | 6b 99% |
Entry | Condition | 1 Cycle | 2 Cycles | 3 Cycles | 4 Cycles | 5 Cycles |
---|---|---|---|---|---|---|
1 | Photocatalyst; IL-AQ(BF4) Ionic Liquid; (bmim)BF4 | quant. | quant. | quant. | 99% | quant. |
2 | Photocatalyst; IL-AQ(PF6) Ionic Liquid; (bmim) PF6 | 96% | 96% | 90% | 95% | 97% |
3 | Photocatalyst; IL-AQ(TFSI) Ionic Liquid; (bmim) TFSI | 98% | 98% | 72% | - | - |
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Koguchi, S.; Fujita, H.; Shibuya, Y. Ionic Liquid-Supported Photocatalysts: A Reusable Environmentally Friendly Oxidation Reaction System That Uses Air and Light. Int. J. Mol. Sci. 2023, 24, 7141. https://doi.org/10.3390/ijms24087141
Koguchi S, Fujita H, Shibuya Y. Ionic Liquid-Supported Photocatalysts: A Reusable Environmentally Friendly Oxidation Reaction System That Uses Air and Light. International Journal of Molecular Sciences. 2023; 24(8):7141. https://doi.org/10.3390/ijms24087141
Chicago/Turabian StyleKoguchi, Shinichi, Haruto Fujita, and Yuga Shibuya. 2023. "Ionic Liquid-Supported Photocatalysts: A Reusable Environmentally Friendly Oxidation Reaction System That Uses Air and Light" International Journal of Molecular Sciences 24, no. 8: 7141. https://doi.org/10.3390/ijms24087141
APA StyleKoguchi, S., Fujita, H., & Shibuya, Y. (2023). Ionic Liquid-Supported Photocatalysts: A Reusable Environmentally Friendly Oxidation Reaction System That Uses Air and Light. International Journal of Molecular Sciences, 24(8), 7141. https://doi.org/10.3390/ijms24087141