Synthesis and Catalytic Properties of Metal–<i>N</i>-Heterocyclic-Carbene-Decorated Covalent Organic Framework

Abstract

We demonstrate herein that the N-heterocyclic-carbene (NHC)–metal complex (NHC–M)-involved covalent organic framework (COF) can be prepared by the direct polymerization of the NHC–M monomer with its counterpart under solvothermal conditions. The NHC–M–COF with different counterions is readily achieved via solid-state anion exchange. The obtained NHC–AuX–COF (X = Cl– and SbF6–) can be a highly active reusable catalyst to separately promote the carboxylation of the terminal alkyne with CO2 and alkyne hydration under mild conditions.

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