Two microporous organic polymers were prepared from 1,10-phenanthroline by Scholl coupling reaction and Friedel–Crafts reaction, and applied to Heck reaction and Suzuki–Miyaura reaction as heterogeneous catalysts.

Two NHC–Pd(ii) complexes immobilized on porous organic polymers were successfully prepared via Scholl reactions and metallization. These complexes were applied in Suzuki–Miyaura reaction as heterogeneous catalysts with excellent yield and TON.

A novel hypercrosslinked polymer-palladium catalyst was prepared via external cross-linking reactions and applied in Suzuki–Miyaura reactions as a recyclable catalyst, resulting in TON numbers up to 1.66 × 104 and yields reaching 99%.

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