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This research demonstrates N-arylation of benzotriazoles using a cost-effective ligand-free CuCl catalyst, suggesting practical applications.
A general copper(I) chloride (CuCl) catalyst system was developed for the N-arylation of benzotriazoles using substituted aryl iodides under ligand-free conditions. Herein, 20 mol% CuCl was used to synthesise N-aryl benzotriazole derivatives in moderate to good yields. The practicality and low cost of this method make it well suited for both academic research and large-scale industrial applications.
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Teo et al. (2026) studied this question.
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