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典型文献
Fe3O4-carbon spheres core-shell supported palladium nanoparticles:A robust and recyclable catalyst for suzuki coupling reaction
文献摘要:
Suzuki-Miyaura(S-M)is regarded the most powerful way for synthesis biaryls,triaryls,or incorporating of substituted aryl moieties in organic preparation by the cross-coupling of aryl boronic acid with aryl halides using the Pd catalyst.This work reports the combining of the hydrothermal and microwave-assisted protocol to convert the glucose to magnetic carbon spheres(Fe3O4-CSPs)decorated with Pd nanoparticles(NPs)as the catalyst for Suzuki-Miyaura cross-coupling reactions.The physicochemical properties in the produced composite were examined using FESEM,HRTEM,nitrogen isotherms,Raman spectroscopy,FTIR,XPS,and XRD.The as-fabricated composite Pd/Fe3O4-CSPs is mostly spherical with a core-shell structure and possesses a great surface area of 253.2 m2·g-1.Its catalytic performance demonstrates that the composite has excellent stability and high tolerance Suzuki-Miyaura cross-coupling reactions in 30 min at 80℃.Both activated and deactivated aryl halides provided excellent yield.The as-fabricated catalyst was recycled for up to four catalytic cycles without a substantial decline in performance.Moreover,this research offers a facile roadmap for synthesizing Pd/Fe3O4-CSPs compos-ites and promoting the practical implementation of Pd/Fe3O4-CSPs catalysts for organic transformation processes.
文献关键词:
作者姓名:
Mohamed A.Almaradhi;Hassan M.A.Hassan;Mosaed S.Alhumaimess
作者机构:
Department of Chemistry,College of Science,Jouf University,PO Box 2014,Sakaka,Saudi Arabia
引用格式:
[1]Mohamed A.Almaradhi;Hassan M.A.Hassan;Mosaed S.Alhumaimess-.Fe3O4-carbon spheres core-shell supported palladium nanoparticles:A robust and recyclable catalyst for suzuki coupling reaction)[J].中国化学工程学报(英文版),2022(11):75-85
A类:
suzuki,biaryls,triaryls
B类:
Fe3O4,carbon,spheres,core,shell,supported,palladium,nanoparticles,robust,recyclable,coupling,Suzuki,Miyaura,regarded,powerful,way,synthesis,incorporating,substituted,moieties,organic,preparation,by,cross,boronic,acid,halides,using,Pd,This,work,reports,combining,hydrothermal,microwave,assisted,protocol,convert,glucose,magnetic,CSPs,decorated,NPs,reactions,physicochemical,properties,produced,composite,were,examined,FESEM,HRTEM,nitrogen,isotherms,Raman,spectroscopy,FTIR,XPS,fabricated,mostly,spherical,structure,possesses,great,surface,area,Its,catalytic,performance,demonstrates,that,has,excellent,stability,high,tolerance,Both,deactivated,provided,yield,was,recycled,four,cycles,without,substantial,decline,Moreover,this,research,offers,facile,roadmap,synthesizing,ites,promoting,practical,implementation,catalysts,transformation,processes
AB值:
0.55313
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