Abstract

Copper nanoparticles (CuNPs) have been deeply studied as catalyst for organic synthesis. Various new Cu nanocatalysts are reviewed for different types of organic reactions, such as C–C bond formation (including Mizoroki–Heck, Suzuki–Miyaura, Glaser-Hay coupling), C–N bond formation (including Chan-Lam, Buchwald–Hartwig, Ullmann and Goldberg coupling, alkyne–azide cycloaddition etc.), C–O bond formation and multi-step reactions with C–X (C, N, O) bond formation. Most CuNP-catalyzed protocols possess merits of mild reaction conditions, high catalytic efficiency, good functional group tolerance, lower cost, clean reaction profiles and reusable copper catalyst. The application of these CuNPs in organic synthesis holds potential for significant impact on advancing organic synthesis and promoting further development of organic copper chemistry.

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