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Mild Temperature Copper-Catalyzed Amination of Aryl Halides with Aqueous Ammonia in the Presence of Pyridyldiketone Ligands
preprintrevised on 25.02.2019, 18:44 and posted on 25.02.2019, 18:54 by Racha Abed Ali Abdine, Anna Walczak, Sultan Abu A Aeash, Gracjan Kurpik, Artur R. Stefankiewicz, Florian Monnier, Marc Taillefer
Ambidentate ligand pyridyldiketones were used in combination with copper to catalyze amination of aryl halides under very mild temperatures with aqueous ammonia. This novel catalytic system allow efficient coupling in one of the smoothest conditions ever reported in literature.