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<p>The formation of C–C bonds is a crucial aspect of organic synthesis. Synthesists’ long-term objective is to identify novel catalysts to optimize reaction systems based on traditional transition metal catalysis. This study explores the synthesis and catalytic potential of palladium-installed covalent metal-organic frameworks (CMOFs) based on copper cyclic trinuclear units (Cu-CTUs). By incorporating palladium ions into the imine-based framework <b>JNM-7</b> through a straightforward immersion method, we achieved a notable enhancement in catalytic activity for critical C–C coupling reactions, including C–H arylation and Sonogashira cross-coupling. The resulting <b>JNM-7-Pd</b> demonstrated remarkable stability and recyclability, maintaining its efficiency over at least three cycles without any decline in efficiency.</p>

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Palladium installed copper-organic framework for C–C coupling reactions

  • 期刊论文

  • 发表日期：

    2025年1月3日

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  • Yu-Mei Wang,
  • Mei-Xia Tao,
  • Kai-Ming Mo,
  • Xu Chen,
  • Shu-Hua Zhong,
  • Elena S. Shubina,
  • Guo-Hong Ning,
  • Dan Li

摘要

The formation of C–C bonds is a crucial aspect of organic synthesis. Synthesists’ long-term objective is to identify novel catalysts to optimize reaction systems based on traditional transition metal catalysis. This study explores the synthesis and catalytic potential of palladium-installed covalent metal-organic frameworks (CMOFs) based on copper cyclic trinuclear units (Cu-CTUs). By incorporating palladium ions into the imine-based framework JNM-7 through a straightforward immersion method, we achieved a notable enhancement in catalytic activity for critical C–C coupling reactions, including C–H arylation and Sonogashira cross-coupling. The resulting JNM-7-Pd demonstrated remarkable stability and recyclability, maintaining its efficiency over at least three cycles without any decline in efficiency.