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Performance of BIm-based nanogel catalyst for the cycloaddition reaction of CO2 with ECH in different temperature a.
| Entry | Catalyst b | Temperature (°C) | CO2 (MPa) | Yield (%) | Selectivity (%) |
|---|---|---|---|---|---|
| 1 | 3:1 | 160 | 3 | 99.7 | 89.0 |
| 2 | 5:1 | 160 | 3 | 99.8 | 93.0 |
| 3 | 10:1 | 160 | 3 | 100 | 100 |
| 4 | 15:1 | 160 | 3 | 100 | 96.4 |
| 5 | 5:1 | 120 | 3 | 87.7 | 99.3 |
| 6 | 5:1 | 140 | 3 | 96.1 | 96.1 |
| 7 | 5:1 | 150 | 3 | 99.5 | 99.2 |
| 8 | 5:1 | 160 | 2 | 95.7 | 97.3 |
| 9 | 5:1 | 160 | 5 | 99.7 | 100 |
a: Reaction condition: ECH 3 mL, nanogel 0.1 g, time 6 h; b: feed ratio of [C6VIm]Br to EGDMA.
