Synthesis and characterization of Pd-poly(N-vinyl-2-pyrrolidone)/KIT-5 nanocomposite as a polymer–inorganic hybrid catalyst for the Suzuki–Miyaura cross-coupling reaction

Add time:09/10/2019    Source:sciencedirect.com

Composite poly(N-vinyl-2-pyrrolidone)/KIT-5 (PVP/KIT-5) was prepared by in situ polymerization method and used as a support for palladium nanoparticles obtained through the reduction of Pd(OAc)2 by hydrazine hydrate. The physical and chemical properties of the catalyst were investigated by XRD, FT-IR, UV–vis, TG, BET, SEM, and TEM techniques. The catalytic performance of this novel heterogeneous catalyst was determined for the Suzuki–Miyaura cross-coupling reaction between aryl halides and phenylboronic acid in the presence of water at room temperature. The stability of the nanocomposite catalyst was excellent and could be reused 8 times without much loss of activity in the Suzuki–Miyaura cross-coupling reaction.

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