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. 2018 Sep 3;8(54):30860–30867. doi: 10.1039/c8ra05947k

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
a

Reaction conditions: reaction temperature: 120 °C, CO2 pressure: 3.0 MPa.