Abstract

AbstractThe hydrosilylation of carbon dioxide (CO2) has become a useful strategy for selectively producing fine chemicals and alternative fuels sources. However, the development of heterogeneous catalysts that complete this chemical transformation with high catalytic efficiencies are rare. Herein, the synthesis and characterization of a benzobisthiazole‐linked (BBT) Co(II)‐porphyrin‐based porous organic polymer (Co‐BBT‐POP) for hydrosilylative reduction of CO2 to potassium formate and methanol is reported. Co‐BBT‐POP can reduce CO2 to potassium formate in the presence of diphenylsilane (Ph2SiH2) and KF with a turnover number (TON) of 1627. In the presence of tris(pentafluorophenyl)borane (B(C6F5)3) and Ph2SiH2, Co‐BBT‐POP can convert CO2 to methanol with a TON of 4531. Co‐BBT‐POP exhibits great recyclability up to five cycles for both catalytic systems.

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