Optimization at the CO2 pressure of 3.0 MPaa.
Entry | Catalyst concentration (mol%) | Time (h) | Yield (%) |
---|---|---|---|
1 | 8 | 30 | 99 |
2 | 4 | 30 | 99 |
3 | 2 | 30 | 93 |
4 | 4 | 20 | 99 |
5 | 4 | 10 | 85 |
6 | 3 | 20 | 93 |
Reaction conditions: reaction temperature: 120 °C, CO2 pressure: 3.0 MPa.