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<p>This article describes the preparation of [DABCO](SO<sub>3</sub>H)<sub>2</sub>CoCl<sub>4</sub>, as a novel Co ion-containing ionic liquid, and its characterization using various techniques including FT-IR, XRD, TGA, EDX, ICP-OES, and FESEM synthesis. The catalytic potential of this ionic liquid was also explored in the synthesis of various heterocyclic compounds, including quinoxaline, 2,4,5-triarylimidazole, <i>N</i>,<i>N</i>′-diarylformamidine and benzazole (benzimidazole, benzothiazole, and benzoxazole) derivatives. The results demonstrate that the [DABCO](SO<sub>3</sub>H)<sub>2</sub>CoCl<sub>4</sub> can efficiently promote the synthesis of the mentioned compounds in extremely short reaction times with excellent yields under mild conditions. In addition, the catalyst can be easily separated and reused for multiple times without significant loss of its catalytic activity.</p>

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Introduction of [DABCO](SO3H)2CoCl4 as a new catalyst for the synthesis of quinoxaline, 2,4,5−triarylimidazole, N,N′−diarylformamidine, and benzazole derivatives

  • 期刊论文

  • 发表日期：

    2025年6月9日

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  • Miragha Saaei,
  • Masoumeh Mazloumi,
  • Narges Seyedi,
  • Farhad Shirini

摘要

This article describes the preparation of [DABCO](SO3H)2CoCl4, as a novel Co ion-containing ionic liquid, and its characterization using various techniques including FT-IR, XRD, TGA, EDX, ICP-OES, and FESEM synthesis. The catalytic potential of this ionic liquid was also explored in the synthesis of various heterocyclic compounds, including quinoxaline, 2,4,5-triarylimidazole, N,N′-diarylformamidine and benzazole (benzimidazole, benzothiazole, and benzoxazole) derivatives. The results demonstrate that the [DABCO](SO3H)2CoCl4 can efficiently promote the synthesis of the mentioned compounds in extremely short reaction times with excellent yields under mild conditions. In addition, the catalyst can be easily separated and reused for multiple times without significant loss of its catalytic activity.