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<p>In this communication, an efficient, simple, recyclable, reusable, and eco-friendly imidazolium-based bi-functionalized ionic liquid catalyst (0.1&#xa0;mol%) was used to promote the Biginelli reaction at 40&#xa0;°C under neat conditions. The advantages of this synthetic techniques show the aids of a high productivity/broad substrate scope, suitable operation, short reaction time, environmentally benign, and high TON/TOF along with low catalyst loading. Also, a possible multicomponent reaction mechanism was proposed based on the Knoevenagel reaction using bi-functionalized ionic liquid. The latter was recycled/reused up to eight cycles along with no significant damage of the yield and its catalytic efficiency.</p> Graphical abstract <p></p>

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An effective, recyclable, bi-functionalized ionic liquid catalyzed solvent, metal, base free one-pot multicomponent reaction

  • 期刊论文

  • 发表日期：

    2025年2月27日

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  • Karthikeyan Parasuraman,
  • Sakthinarayanan Jayaraman,
  • Uthayanila Selvarasu,
  • Venkatesan Kasi,
  • Ramasamy ShanmugaPriya

摘要

In this communication, an efficient, simple, recyclable, reusable, and eco-friendly imidazolium-based bi-functionalized ionic liquid catalyst (0.1 mol%) was used to promote the Biginelli reaction at 40 °C under neat conditions. The advantages of this synthetic techniques show the aids of a high productivity/broad substrate scope, suitable operation, short reaction time, environmentally benign, and high TON/TOF along with low catalyst loading. Also, a possible multicomponent reaction mechanism was proposed based on the Knoevenagel reaction using bi-functionalized ionic liquid. The latter was recycled/reused up to eight cycles along with no significant damage of the yield and its catalytic efficiency.

Graphical abstract