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<p>In this research, a new hybrid catalyst (Fe<sup>II</sup> (APTE)-Mo<sub>6</sub>O<sub>18</sub>) was synthesized based on covalent interaction between an organic ligand and a Lindqvist-type polyoxometalate [<i>n</i> − Bu<sub>4</sub>N]<sub>4</sub>[Mo<sub>6</sub>O<sub>19</sub>]<sup>2−</sup>. The as-prepared catalyst was characterized by Fourier transforms infrared spectroscopy (FT-IR), X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and inductively coupled plasma atomic emission spectroscopy (ICPOES) methods. The catalytic efficacy of the intended catalyst was examined by reaction of benzyl alcohol derivatives and a phenylenediamine under mild conditions. In all instances, corresponding benzimidazole derivatives were synthesized with high efficiency, straightforward workup procedure, short reaction time, and cost-effective catalyst. The hybrid catalyst was easily separated from the reaction medium, and it can be reused for seven cycles without significantly diminishing its performance.</p>

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Synthesis of a Lindqvist type polyoxometalate-iron Hybrid Catalyst for the Synthesis of Benzimidazole Compounds

  • 期刊论文

  • 发表日期：

    2025年1月13日

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  • Soghra Hossinimotlagh,
  • Ali Zarnegaryan,
  • Zahra Dehbanipour

摘要

In this research, a new hybrid catalyst (FeII (APTE)-Mo6O18) was synthesized based on covalent interaction between an organic ligand and a Lindqvist-type polyoxometalate [n − Bu4N]4[Mo6O19]2−. The as-prepared catalyst was characterized by Fourier transforms infrared spectroscopy (FT-IR), X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and inductively coupled plasma atomic emission spectroscopy (ICPOES) methods. The catalytic efficacy of the intended catalyst was examined by reaction of benzyl alcohol derivatives and a phenylenediamine under mild conditions. In all instances, corresponding benzimidazole derivatives were synthesized with high efficiency, straightforward workup procedure, short reaction time, and cost-effective catalyst. The hybrid catalyst was easily separated from the reaction medium, and it can be reused for seven cycles without significantly diminishing its performance.