Abstract
| - Employing ethyl 2-oxocyclohexanecarboxylate as a novel, efficient, and versatile ligand, the copper-catalyzed coupling reactions of various N/O/S nucleophilic reagents with aryl halides could be successfullycarried out under mild conditions. A variety of products including N-arylamides, N-arylimidazoles, arylethers, and aryl thioethers were synthesized in good to excellent yields.
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