Entry
|
Catalyst
|
Solubility
|
Yielda (%)
|
Selb (%)
|
---|
1
|
No catalyst
|
Homogeneous
|
–
|
–
|
2
|
TPDB
|
Heterogeneous
|
44
|
59
|
3
|
TPDB-BP
|
Heterogeneous
|
51
|
93
|
4
|
TPDB-BP-TEA
|
Heterogeneous
|
97
|
100
|
- Reaction conditions: PO (20 mmol), CO2 (1.0 MPa), catalyst (0.10 g), 120 °C, 4 h
-
aThe yield of cyclic carbonate product
-
bThe selectivity for the cyclic carbonate product, the byproduct is mostly 1,2-propanediol