SCI和EI收录∣中国化工学会会刊

Chinese Journal of Chemical Engineering ›› 2022, Vol. 51 ›› Issue (11): 75-85.DOI: 10.1016/j.cjche.2021.11.024

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Fe3O4-carbon spheres core–shell supported palladium nanoparticles: A robust and recyclable catalyst for suzuki coupling reaction

Mohamed A. Almaradhi, Hassan M.A. Hassan, Mosaed S. Alhumaimess   

  1. Department of Chemistry, College of Science, Jouf University, PO Box 2014, Sakaka, Saudi Arabia
  • Received:2021-08-07 Revised:2021-10-02 Online:2023-01-18 Published:2022-11-18
  • Contact: Mosaed S. Alhumaimess,E-mail:mosaed@ju.edu.sa
  • Supported by:
    The authors would like to thank the Deanship of graduate studies at Jouf University for funding and supporting this research through the initiative of DGS, Graduate Students Research Support (GSR) at Jouf University, Saudi Arabia. Additionally, the authors acknowledge the facilities operated by the central laboratory at Jouf University.

Fe3O4-carbon spheres core–shell supported palladium nanoparticles: A robust and recyclable catalyst for suzuki coupling reaction

Mohamed A. Almaradhi, Hassan M.A. Hassan, Mosaed S. Alhumaimess   

  1. Department of Chemistry, College of Science, Jouf University, PO Box 2014, Sakaka, Saudi Arabia
  • 通讯作者: Mosaed S. Alhumaimess,E-mail:mosaed@ju.edu.sa
  • 基金资助:
    The authors would like to thank the Deanship of graduate studies at Jouf University for funding and supporting this research through the initiative of DGS, Graduate Students Research Support (GSR) at Jouf University, Saudi Arabia. Additionally, the authors acknowledge the facilities operated by the central laboratory at Jouf University.

Abstract: Suzuki-Miyaura (S-M) is regarded the most powerful way for synthesis biaryls, triaryls, or incorporating of substituted aryl moieties in organic preparation by the cross-coupling of aryl boronic acid with aryl halides using the Pd catalyst. This work reports the combining of the hydrothermal and microwave-assisted protocol to convert the glucose to magnetic carbon spheres (Fe3O4-CSPs) decorated with Pd nanoparticles (NPs) as the catalyst for Suzuki-Miyaura cross-coupling reactions. The physicochemical properties in the produced composite were examined using FESEM, HRTEM, nitrogen isotherms, Raman spectroscopy, FTIR, XPS, and XRD. The as-fabricated composite Pd/Fe3O4-CSPs is mostly spherical with a core–shell structure and possesses a great surface area of 253.2 m2·g-1. Its catalytic performance demonstrates that the composite has excellent stability and high tolerance Suzuki-Miyaura cross-coupling reactions in 30 min at 80 ℃. Both activated and deactivated aryl halides provided excellent yield. The as-fabricated catalyst was recycled for up to four catalytic cycles without a substantial decline in performance. Moreover, this research offers a facile roadmap for synthesizing Pd/Fe3O4-CSPs composites and promoting the practical implementation of Pd/Fe3O4-CSPs catalysts for organic transformation processes.

Key words: Heterogeneous catalysis, Aryl halide, Suzuki coupling, Palladium nanoparticles, Carbon spheres

摘要: Suzuki-Miyaura (S-M) is regarded the most powerful way for synthesis biaryls, triaryls, or incorporating of substituted aryl moieties in organic preparation by the cross-coupling of aryl boronic acid with aryl halides using the Pd catalyst. This work reports the combining of the hydrothermal and microwave-assisted protocol to convert the glucose to magnetic carbon spheres (Fe3O4-CSPs) decorated with Pd nanoparticles (NPs) as the catalyst for Suzuki-Miyaura cross-coupling reactions. The physicochemical properties in the produced composite were examined using FESEM, HRTEM, nitrogen isotherms, Raman spectroscopy, FTIR, XPS, and XRD. The as-fabricated composite Pd/Fe3O4-CSPs is mostly spherical with a core–shell structure and possesses a great surface area of 253.2 m2·g-1. Its catalytic performance demonstrates that the composite has excellent stability and high tolerance Suzuki-Miyaura cross-coupling reactions in 30 min at 80 ℃. Both activated and deactivated aryl halides provided excellent yield. The as-fabricated catalyst was recycled for up to four catalytic cycles without a substantial decline in performance. Moreover, this research offers a facile roadmap for synthesizing Pd/Fe3O4-CSPs composites and promoting the practical implementation of Pd/Fe3O4-CSPs catalysts for organic transformation processes.

关键词: Heterogeneous catalysis, Aryl halide, Suzuki coupling, Palladium nanoparticles, Carbon spheres