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<p>An innovative and efficient catalytic system was successfully constructed, and the accurate synthesis of benzo[4,5]imidazo[1,2-<i>a</i>]pyridines was realized through the coupling reaction of aminopyridine and arylboronic acid in the presence of copper (II) acetate catalyst with 4-OH TEMPO as oxidant. The present methodology offers several advantages such as high yields, shorter reaction times, easy work-up process, and mild reaction conditions.</p>

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A copper-catalyzed synthesis of benzo[4,5]imidazo[1,2-a]pyridine derivatives via C–N bond formation of 2-aminopyridines with arylboronic acids

  • 期刊论文

  • 发表日期：

    2025年2月20日

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  • Xiao-Tang Li,
  • Chuan-Jie Han,
  • Zhan-Hui Zhang

摘要

An innovative and efficient catalytic system was successfully constructed, and the accurate synthesis of benzo[4,5]imidazo[1,2-a]pyridines was realized through the coupling reaction of aminopyridine and arylboronic acid in the presence of copper (II) acetate catalyst with 4-OH TEMPO as oxidant. The present methodology offers several advantages such as high yields, shorter reaction times, easy work-up process, and mild reaction conditions.