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Table 1 Cycloaddition of CO2 and PO catalyzed by various catalysts

From: Triphenylphosphine-based functional porous polymer as an efficient heterogeneous catalyst for the synthesis of cyclic carbonates from CO2

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
  1. Reaction conditions: PO (20 mmol), CO2 (1.0 MPa), catalyst (0.10 g), 120 °C, 4 h
  2. aThe yield of cyclic carbonate product
  3. bThe selectivity for the cyclic carbonate product, the byproduct is mostly 1,2-propanediol