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<p>This study presents the synthesis of magnetic nanoparticles using commercially available precursors, including FeCl<sub>2</sub>·4H<sub>2</sub>O and C<sub>12</sub>H<sub>28</sub>O<sub>4</sub>Ti. The nanoparticles were coated with a silica layer and subsequently functionalized with 3-chloropropyltriethoxysilane (CPTES). To further enhance their properties, quinoline-2,4-dicarboxylic acid (QDA) was attached to the nanoparticles’ surface. A novel palladium (Pd) complex was then immobilized on the functionalized TiFe<sub>2</sub>O<sub>4</sub> MNPs, resulting in a magnetically recoverable, highly efficient, and selective nanocatalyst. Comprehensive characterization of the nanocatalyst was carried out using techniques such as VSM, XRD, EDS, SEM, BET, TGA, XPS, TEM, FT-IR, and ICP. The results demonstrated that the TiFe<sub>2</sub>O<sub>4</sub>@n-Pr@QDA-Pd nanocatalyst exhibited excellent efficiency, notable selectivity, and impressive reusability in the synthesis of tetrazole derivatives via [3 + 2] cycloaddition between sodium azide (NaN<sub>3</sub>) and organic nitrile derivatives.</p>

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A novel Pd complex coated on TiFe2O4 magnetic nanoparticles as an efficient and recoverable catalyst for the synthesis of 5-substituted 1H-tetrazoles

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月16日

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  • Abdulrahman A. Almehizia,
  • Munthar Kadhim Abosaoda,
  • Anjan Kumar,
  • Vicky Jain,
  • Suhas Ballal,
  • Abhayveer Singh,
  • Karthikeyan Jayabalan,
  • Subhashree Ray,
  • Pranchal Rajput,
  • Ojas Prakashbhai Doshi

摘要

This study presents the synthesis of magnetic nanoparticles using commercially available precursors, including FeCl2·4H2O and C12H28O4Ti. The nanoparticles were coated with a silica layer and subsequently functionalized with 3-chloropropyltriethoxysilane (CPTES). To further enhance their properties, quinoline-2,4-dicarboxylic acid (QDA) was attached to the nanoparticles’ surface. A novel palladium (Pd) complex was then immobilized on the functionalized TiFe2O4 MNPs, resulting in a magnetically recoverable, highly efficient, and selective nanocatalyst. Comprehensive characterization of the nanocatalyst was carried out using techniques such as VSM, XRD, EDS, SEM, BET, TGA, XPS, TEM, FT-IR, and ICP. The results demonstrated that the TiFe2O4@n-Pr@QDA-Pd nanocatalyst exhibited excellent efficiency, notable selectivity, and impressive reusability in the synthesis of tetrazole derivatives via [3 + 2] cycloaddition between sodium azide (NaN3) and organic nitrile derivatives.