反应详情

Adding 2-methyl tetrahydrofuran prepared by the embodiment 3 and the magnesium-zinc-rare earth oxide composite catalyst into a reactor at the weight ratio of 100:1; opening a heating device to keep temperature of the rector constant at 80° C.; filling excessive CO2 into the reactor, and controlling the absolute pressure in the reactor under 6.0 MPa; performing a cycloaddition reaction between 2-methyl tetrahydrofuran and CO2 in the reactor for 20 minutes to obtain the reaction product, distilling the reaction product to obtain 1,4-pentanediol carbonate, wherein the mole ratio of 2-methyl tetrahydrofuran to CO2 is 1:15, conversion rate of 2-methyl tetrahydrofuran in the cycloaddition reaction is 86%, and yield of 1,4-pentanediol carbonate is 54%.

1. customprepared by the embodiment 3
2. customconstant at 80° C.
3. customto obtain the reaction product
4. distillationdistilling the reaction product