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<p>A Cu²⁺ (Cu@MOP-Am2) embedded mesoporous triazine framework material with carboxamide functionality has been developed as a selective heterogeneous support catalyst for the oxidation of benzylic C–H bonds in methylarenes. The C–H activation reactions in methylarenes, followed by oxidation to aldehydes, show significant selectivity, stability, and reactivity for various substrates with considerable yields. The PXRD, XPS, SEM-EDS, BET, and auxiliary analytical methods are employed to characterize the materials’ properties and sustainability. DFT calculation is performed to support a free radical mechanistic pathway involving nucleophilic C–H activation, further substantiated by experimental data. The experimental process is straightforward, and the catalyst’s stability and reusability ensure a satisfactory green weighing scale.</p>

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Copper immobilized mesoporous triazine polymeric material as a heterogeneous support for benzylic C‒H bond oxidation

  • 期刊论文

  • 发表日期：

    2025年7月12日

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  • Priya Gurung,
  • Bikash Kumar Kalita,
  • Debabrat Pathak,
  • Rajiv Khatioda,
  • Ankur Kanti Guha,
  • Lakshi Saikia,
  • Bipul Sarma

摘要

A Cu²⁺ (Cu@MOP-Am2) embedded mesoporous triazine framework material with carboxamide functionality has been developed as a selective heterogeneous support catalyst for the oxidation of benzylic C–H bonds in methylarenes. The C–H activation reactions in methylarenes, followed by oxidation to aldehydes, show significant selectivity, stability, and reactivity for various substrates with considerable yields. The PXRD, XPS, SEM-EDS, BET, and auxiliary analytical methods are employed to characterize the materials’ properties and sustainability. DFT calculation is performed to support a free radical mechanistic pathway involving nucleophilic C–H activation, further substantiated by experimental data. The experimental process is straightforward, and the catalyst’s stability and reusability ensure a satisfactory green weighing scale.