A Ru-Complex Tethered to a N-Rich Covalent Triazine Framework for Tandem Aerobic Oxidation-Knoevenagel Condensation Reactions
Abstract
:1. Introduction
2. Results and Discussion
2.1. Synthesis and Characterization of the Modified Bipy-CTF with the Ru Complex (RuIII@bipy-CTF)
2.2. Catalytic Activity of the RuIII@bipy-CTF Catalyst in the Tandem Aerobic oxidation-Knoevenagel Condensation Reaction
3. Materials and Methods
3.1. Materials and Instrumentation
3.2. Synthesis of Bipy-CTFs and RuIII@bipy-CTF Materials
3.3. Catalytic Reactions
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | C a (wt.%) | N a (wt.%) | C/N | Ru b (mmol g−1) |
---|---|---|---|---|
bipy-CTF | 58.92 | 20.27 | 2.9 | - |
RuIII@bipy-CTF | 59.6 | 15.7 | 3.8 | 0.15 |
Entry | Catalyst | Base | Conversion (%) | TON a |
---|---|---|---|---|
1 | RuIII@bipy-CTF | No base | 37 | 37 |
2 | RuIII@bipy-CTF | Na2CO3 | 41 | 41 |
3 | RuIII@bipy-CTF | K2CO3 | 78 | 78 |
4 | RuIII@bipy-CTF | Cs2CO3 | 99 | 99 |
5 | RuIII@bipy-CTF b | Cs2CO3 | 64 | 267 |
6 | No catalyst | Cs2CO3 | <1 | - |
7 | RuIII@bipy-CTF c | Cs2CO3 | 3 | 3 |
8 | [Ru(acac)2(CH3CN)2]PF6 | Cs2CO3 | 54 | 54 |
9 | bipy-CTF d | Cs2CO3 | 39 | 39 |
Substrate | Product | Conversion of 1a–f (%) | Yield of 2a–f (%) |
---|---|---|---|
99 | 99 | ||
99 | 99 | ||
99 | 99 | ||
97 | 97 | ||
99 | 99 | ||
80 | 80 |
Entry | Catalyst | Oxidant/Temp. (°C) | Time (h) a | Conv./Yield (%) | Ref |
---|---|---|---|---|---|
1 | Au@Cu(II)-MOF | Air/110 | 15 + 7 | 99/99 | [42] |
2 | Au@MIL-53(NH2) | O2/100 | 13 | 99/99 | [43] |
3 | UoB-2 (Ni-MOF) | TBHP/65 | 1.5 | 94 | [44] |
4 | Cu3TATAT-3 MOF | O2, TEMPO/75 | 12 | 95/95 | [45] |
5 | Pd/COF-TaPa-Py | O2/80 | 4 + 1.5 | 98/98 | [46] |
6 | 5CoOx/tri-g-C3N4 | O2/80 | 6 | 96.4/96.4 | [47] |
7 | RuIII@bipy-CTF | O2/100 | 12 + 1 | 99/99 | This work |
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Watson, G.; Gohari Derakhshandeh, P.; Abednatanzi, S.; Schmidt, J.; Leus, K.; Van Der Voort, P. A Ru-Complex Tethered to a N-Rich Covalent Triazine Framework for Tandem Aerobic Oxidation-Knoevenagel Condensation Reactions. Molecules 2021, 26, 838. https://doi.org/10.3390/molecules26040838
Watson G, Gohari Derakhshandeh P, Abednatanzi S, Schmidt J, Leus K, Van Der Voort P. A Ru-Complex Tethered to a N-Rich Covalent Triazine Framework for Tandem Aerobic Oxidation-Knoevenagel Condensation Reactions. Molecules. 2021; 26(4):838. https://doi.org/10.3390/molecules26040838
Chicago/Turabian StyleWatson, Geert, Parviz Gohari Derakhshandeh, Sara Abednatanzi, Johannes Schmidt, Karen Leus, and Pascal Van Der Voort. 2021. "A Ru-Complex Tethered to a N-Rich Covalent Triazine Framework for Tandem Aerobic Oxidation-Knoevenagel Condensation Reactions" Molecules 26, no. 4: 838. https://doi.org/10.3390/molecules26040838