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  • Title: Magnetic nanoparticle-supported proline as a recyclable and recoverable ligand for the CuI catalyzed arylation of nitrogen nucleophiles.
    Author: Chouhan G, Wang D, Alper H.
    Journal: Chem Commun (Camb); 2007 Dec 07; (45):4809-11. PubMed ID: 18004449.
    Abstract:
    Magnetic nanoparticle-supported proline ligand was prepared and used for the CuI catalyzed Ullmann-type coupling reactions of aryl/heteroaryl bromides with various nitrogen heterocycles to form the corresponding N-aryl products in good to excellent yields; furthermore, this magnetic nanoparticle-supported proline ligand could be readily separated using an external magnet and reused without significant loss of activity.
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