Late transition-metal nanomaterials for the catalysis of “click” and other reactions involving C-N bond formation and reactivity

Abstract : The design and synthesis of late transition-metal nanomaterials is of considerable interest towards applications in nanomedicine, molecular recognition, sensing and catalysis under environmentally friendly conditions. Eleven different kinds of dendrimer-stabilized TMNPs have been synthesized and characterized. They were employed as catalysts for “click” and 4-nitrophenol reduction reactions, to study the relationship between their catalytic activities and their ''inside vs. partly outside'' dendrimer localization. On the other hand, a new ferrocenyl-containing unsymmetrical CuII-Schiff-base complex, and its covalently poly(methyl) (methacrylate) (PMMA)-grafted counterpart were synthesized and employed as efficient precatalyst in the CuAAC “click reaction. The PMMA-supported catalyst has been reused at least three times without any lost of activity or copper leaching. A selective NAlkylation reaction of amines with alcohols using Pd/C as an efficient and reusable catalyst has also been developed.
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Xiang Liu. Late transition-metal nanomaterials for the catalysis of “click” and other reactions involving C-N bond formation and reactivity. Material chemistry. Université Rennes 1, 2017. English. ⟨NNT : 2017REN1S113⟩. ⟨tel-01777736v2⟩

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