What question did this study set out to answer?

This research aims to develop a cost-effective and efficient copper catalyst for carbonylation cross-coupling reactions.

April 22, 2026Open Access

Poly‐ N ‐Heterocyclic Carbene Copper Complex‐Catalyzed Carbonylative Cross‐Coupling of Alkyl Iodides With Amines

Key Points

This research aims to develop a cost-effective and efficient copper catalyst for carbonylation cross-coupling reactions.
Developed a polymer-supported copper complex using imidazolium copper salt monomers.
Utilized the catalyst to perform carbonylation reactions between alkyl iodides and amines.
Assessed the performance in terms of yield and reusability.
The copper catalyst achieved good to excellent yields of amides from alkyl iodides and amines.
Demonstrated the elimination of the need for additional ligands, simplifying the reaction process.
The catalyst is reusable, increasing its practical applications.

Abstract

ABSTRACT In this manuscript, we developed a polymer‐supported copper complex, formed by the polymerization of imidazolium copper salt monomers, it been demonstrated to catalyze the carbonylation cross‐coupling reaction between amines and alkyl iodides effectively. N ‐Heterocyclic carbene (NHC) has become a crucial auxiliary ligand in organometallic catalysis due to its excellent coordination ability with transition metals. The polymer‐supported NHC copper catalyst prepared here efficiently achieves the carbonylation coupling reaction between alkyl iodides and amines, yielding the corresponding amides in good to excellent yields. This catalyst has been demonstrated to eliminate the need for additional ligands, offering low cost and simple preparation, and is reusable.

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