{"title":"利用离子液体功能化SiO2纳米复合材料高效、可持续地将CO2固定在2-恶唑烷酮中。","authors":"Yulin Hu, Shiyao Lin, Xiaobing Liu","doi":"10.1186/s13065-025-01627-7","DOIUrl":null,"url":null,"abstract":"<div><p>Chemical fixation of CO<sub>2</sub> into 2-oxazolidinones is of significance because of the important application in the chemical synthesis. In this study, a series of ionic liquid functionalized SiO<sub>2</sub> nanocomposites were synthesized and developed as heterogeneous catalysts for the CO<sub>2</sub> cyclization reaction. The resulting SiO<sub>2</sub>-MILZrCl<sub>5</sub> behaved as high-efficiency heterogeneous catalyst for solvent-additive-free CO<sub>2</sub> cyclization at 70 °C and 0.1 MPa CO<sub>2</sub>. A high yield of 93% with selectivity of 99.4% over 5-methyl-3-phenyloxazolidin-2-one was attained. Furthermore, a wide range of epoxides were transformed with high yields and excellent selectivities under atmospheric pressure. Additionally, SiO<sub>2</sub>-MILZrCl<sub>5</sub> could serve as a durable and recoverable heterogeneous catalyst for the reaction, which could be used for five cycles without significant loss of catalytic activity. This study offers novel insights for the development of green catalysts for the efficient CO<sub>2</sub> fixation.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"19 1","pages":""},"PeriodicalIF":4.3000,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-025-01627-7","citationCount":"0","resultStr":"{\"title\":\"Efficient and sustainable fixation of CO2 into 2-oxazolidinones utilizing ionic liquid functionalized SiO2 nanocomposites\",\"authors\":\"Yulin Hu, Shiyao Lin, Xiaobing Liu\",\"doi\":\"10.1186/s13065-025-01627-7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Chemical fixation of CO<sub>2</sub> into 2-oxazolidinones is of significance because of the important application in the chemical synthesis. In this study, a series of ionic liquid functionalized SiO<sub>2</sub> nanocomposites were synthesized and developed as heterogeneous catalysts for the CO<sub>2</sub> cyclization reaction. The resulting SiO<sub>2</sub>-MILZrCl<sub>5</sub> behaved as high-efficiency heterogeneous catalyst for solvent-additive-free CO<sub>2</sub> cyclization at 70 °C and 0.1 MPa CO<sub>2</sub>. A high yield of 93% with selectivity of 99.4% over 5-methyl-3-phenyloxazolidin-2-one was attained. Furthermore, a wide range of epoxides were transformed with high yields and excellent selectivities under atmospheric pressure. Additionally, SiO<sub>2</sub>-MILZrCl<sub>5</sub> could serve as a durable and recoverable heterogeneous catalyst for the reaction, which could be used for five cycles without significant loss of catalytic activity. This study offers novel insights for the development of green catalysts for the efficient CO<sub>2</sub> fixation.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":496,\"journal\":{\"name\":\"BMC Chemistry\",\"volume\":\"19 1\",\"pages\":\"\"},\"PeriodicalIF\":4.3000,\"publicationDate\":\"2025-09-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-025-01627-7\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"BMC Chemistry\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://link.springer.com/article/10.1186/s13065-025-01627-7\",\"RegionNum\":2,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"BMC Chemistry","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1186/s13065-025-01627-7","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Efficient and sustainable fixation of CO2 into 2-oxazolidinones utilizing ionic liquid functionalized SiO2 nanocomposites
Chemical fixation of CO2 into 2-oxazolidinones is of significance because of the important application in the chemical synthesis. In this study, a series of ionic liquid functionalized SiO2 nanocomposites were synthesized and developed as heterogeneous catalysts for the CO2 cyclization reaction. The resulting SiO2-MILZrCl5 behaved as high-efficiency heterogeneous catalyst for solvent-additive-free CO2 cyclization at 70 °C and 0.1 MPa CO2. A high yield of 93% with selectivity of 99.4% over 5-methyl-3-phenyloxazolidin-2-one was attained. Furthermore, a wide range of epoxides were transformed with high yields and excellent selectivities under atmospheric pressure. Additionally, SiO2-MILZrCl5 could serve as a durable and recoverable heterogeneous catalyst for the reaction, which could be used for five cycles without significant loss of catalytic activity. This study offers novel insights for the development of green catalysts for the efficient CO2 fixation.
期刊介绍：
BMC Chemistry, formerly known as Chemistry Central Journal, is now part of the BMC series journals family.
Chemistry Central Journal has served the chemistry community as a trusted open access resource for more than 10 years – and we are delighted to announce the next step on its journey. In January 2019 the journal has been renamed BMC Chemistry and now strengthens the BMC series footprint in the physical sciences by publishing quality articles and by pushing the boundaries of open chemistry.
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