Fe3O4@SiO2磁性纳米复合材料固载磷离子液体：促进二氧化碳化学固定成恶唑烷酮的高活性非均相催化剂

IF 3.4 4区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of the Indian Chemical Society Pub Date : 2025-07-24 DOI:10.1016/j.jics.2025.101958

Yu Lin Hu, Qin Yan Shen

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引用次数: 0

摘要

本文合成并开发了磁性Fe3O4@SiO2负载型磷离子液体作为CO2、环氧化物和胺类化合物环化反应的非均相催化剂，在温和无溶剂的条件下，各种底物均能以高收率顺利转化为相应的恶唑烷酮类产物，并具有良好的选择性。该催化剂制备简单方便，可循环使用5次，活性损失可忽略不计。该工艺为生产恶唑烷酮提供了一种新颖而高效的策略，在常压下将CO2化学转化为增值化学品方面具有潜在的应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Phosphonium ionic liquids immobilized on Fe3O4@SiO2 magnetic nanocomposites: Highly active heterogeneous catalyst for promoting chemical fixation of CO2 into oxazolidinones

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Phosphonium ionic liquids immobilized on Fe3O4@SiO2 magnetic nanocomposites: Highly active heterogeneous catalyst for promoting chemical fixation of CO2 into oxazolidinones

Magnetic Fe₃O₄@SiO₂ supported phosphonium ionic liquids have been synthesized and developed as heterogeneous catalysts for the cyclization reaction of CO₂, epoxides and amines, which allow the smooth conversion of various substrates to corresponding oxazolidinones products in high yields as well as excellent selectivities under mild and solvent-free conditions. The preparation of the catalysts is simple and convenient, and it can be recycled for five times with negligible loss of activity. This protocol provides a novel and efficient strategy for producing oxazolidinones, with potential applications in chemical transformation of CO₂ into value-added chemicals at atmospheric pressure.

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来源期刊

Journal of the Indian Chemical Society 化学-化学综合

CiteScore

3.50

自引率

7.70%

发文量

492

审稿时长

3-8 weeks

期刊介绍： The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.