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<p>The aim of this study is to investigate the characterization and synthesis of modified multi-walled carbon nanotubes (MWCNT) with PdCl<sub>2</sub>. A novel, eco-friendly, and solvent-free method for synthesizing various xanthene dione derivatives has been developed, utilizing Pd/MWCNT as a heterogeneous and reusable nanocatalyst. This green procedure offers several advantages, such as excellent product yields, solvent-free conditions, straightforward workup, short reaction times, high catalytic activity, and the ability to reuse the nanocatalyst. Additionally, the catalyst demonstrated impressive recyclability, maintaining its efficacy even after five reaction cycles. A hot filtration experiment confirmed the heterogeneous nature of the catalyst, as no leaching was detected throughout the reaction procedure.</p>

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Pd/MWCNT: heterogeneous nano catalyst for green synthesis of xanthene diones

  • 期刊论文

  • 发表日期：

    2025年10月10日

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  • Mahdi Fotoohi,
  • Khadijeh Rabiei,
  • Zahra Mostafapour

摘要

The aim of this study is to investigate the characterization and synthesis of modified multi-walled carbon nanotubes (MWCNT) with PdCl2. A novel, eco-friendly, and solvent-free method for synthesizing various xanthene dione derivatives has been developed, utilizing Pd/MWCNT as a heterogeneous and reusable nanocatalyst. This green procedure offers several advantages, such as excellent product yields, solvent-free conditions, straightforward workup, short reaction times, high catalytic activity, and the ability to reuse the nanocatalyst. Additionally, the catalyst demonstrated impressive recyclability, maintaining its efficacy even after five reaction cycles. A hot filtration experiment confirmed the heterogeneous nature of the catalyst, as no leaching was detected throughout the reaction procedure.