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<p>The review article discusses the advancements in synthesis and applications of acidic, basic, and neutral 1,4-diazabicyclo[2.2.2]octane (DABCO) ionic salts in multi-component reactions. Compared to imidazolium-based ionic salts, the number of DABCO-based ionic salts is significantly lower. Recently, there has been increasing focus on these salts due to their selective salt formation capabilities. A significant challenge lies in the limited availability of physical data regarding DABCO-based ionic salts; hence, most of them are not ionic liquids. While many of these salts could be reused several times with only a minimal reduction in their catalytic effectiveness, there is a significant limitation in the availability of DABCO-based salts.</p> Graphical abstract <p></p>

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Harnessing DABCO ionic salts for synthesis of heterocycles via multi-component reactions

  • 期刊论文

  • 发表日期：

    2025年7月8日

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  • Archana Rajmane,
  • Poonam Narande,
  • Nita Patil,
  • Arjun Kumbhar

摘要

The review article discusses the advancements in synthesis and applications of acidic, basic, and neutral 1,4-diazabicyclo[2.2.2]octane (DABCO) ionic salts in multi-component reactions. Compared to imidazolium-based ionic salts, the number of DABCO-based ionic salts is significantly lower. Recently, there has been increasing focus on these salts due to their selective salt formation capabilities. A significant challenge lies in the limited availability of physical data regarding DABCO-based ionic salts; hence, most of them are not ionic liquids. While many of these salts could be reused several times with only a minimal reduction in their catalytic effectiveness, there is a significant limitation in the availability of DABCO-based salts.

Graphical abstract