{"title":"Core–shell structured magnetic MCM-41-type mesoporous silica-supported Cu/Fe: A novel recyclable nanocatalyst for Ullmann-type homocoupling reactions","authors":"M. Abdollahi-Alibeik, Zahra Ramazani","doi":"10.1515/mgmc-2022-0018","DOIUrl":null,"url":null,"abstract":"Abstract In this study, a novel magnetic MCM-41-type mesoporous silica-supported Fe/Cu (Fe3O4@Fe–Cu/MCM-41) was prepared, characterized, and used as a heterogeneous catalyst for the synthesis of symmetric biaryls by Ullmann cross-coupling reaction. This nanocomposite was characterized using Fourier transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, and nitrogen adsorption–desorption isotherm. The Fe3O4@Fe–Cu/MCM-41 was applied as an efficient catalyst in the synthesis of biaryls under optimum conditions. This nanocatalyst was recovered and reused several times without significant loss of activity. Graphical abstract","PeriodicalId":48891,"journal":{"name":"Main Group Metal Chemistry","volume":"45 1","pages":"190 - 201"},"PeriodicalIF":1.8000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Main Group Metal Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1515/mgmc-2022-0018","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
引用次数: 0
Abstract
Abstract In this study, a novel magnetic MCM-41-type mesoporous silica-supported Fe/Cu (Fe3O4@Fe–Cu/MCM-41) was prepared, characterized, and used as a heterogeneous catalyst for the synthesis of symmetric biaryls by Ullmann cross-coupling reaction. This nanocomposite was characterized using Fourier transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, and nitrogen adsorption–desorption isotherm. The Fe3O4@Fe–Cu/MCM-41 was applied as an efficient catalyst in the synthesis of biaryls under optimum conditions. This nanocatalyst was recovered and reused several times without significant loss of activity. Graphical abstract
期刊介绍：
This journal is committed to the publication of short communications, original research, and review articles within the field of main group metal and semi-metal chemistry, Main Group Metal Chemistry is an open-access, peer-reviewed journal that publishes in ongoing way. Papers addressing the theoretical, spectroscopic, mechanistic and synthetic aspects of inorganic, coordination and organometallic main group metal and semi-metal compounds, including zinc, cadmium and mercury are welcome. The journal also publishes studies relating to environmental aspects of these metals, their toxicology, release pathways and fate. Articles on the applications of main group metal chemistry, including in the fields of polymer chemistry, agriculture, electronics and catalysis, are also accepted.
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