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Palladium within ionic liquid functionalized mesoporous silica SBA-15 and its catalytic application in room-temperature Suzuki coupling reaction
Han, Peng1,2; Zhang, Hongming2; Qiu, Xuepeng2; Ji, Xiangling1; Gao, Lianxun1,2
2008-11-12
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN1381-1169
Volume295Issue:1-2Pages:57-67
AbstractInitially, pore walls of mesoporous silica SBA-15 with template were modified with chlorotrimethylsilane. Then imidazolium salts were similarly incorporated covalently in the inner pore walls of mesoporous silica SBA-15 albeit without the template. Finally, palladium salts were introduced into the pore channels of the previously processed mesoporous silica via electrostatic interaction. The resulting palladium catalysts demonstrated exceptional activity for the room-temperature Suzuki Coupling reaction in aqueous-organic mixed solvents and good recycling ability for at least 4-6 times. The turnover frequency Of resulting catalysts could reach tip to 84,000 h(-1) at 50 C. The corresponding samples were analyzed with solid-state NMR, FT-R, XRD, nitrogen adsorption-desorption isotherms, TEM and XPS techniques. In addition, agglomeration of palladium catalyst in the Suzuki coupling reaction can be effectively controlled due to the stabilizing effect of the imidazolium salt and confinement of mesoporous walls. (c) 2008 Elsevier B.V. All rights reserved.
KeywordPalladium Mesoporous Ionic Liquid Catalysis Coupling Suzuki Room Temperature
DOI10.1016/j.molcata.2008.08.016
Indexed BySCI
Language英语
WOS IDWOS:000261275000010
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:67[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63178
Collection中国科学院化学研究所
Corresponding AuthorJi, Xiangling
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, Lab Polymer Engn, Grad Sch, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Han, Peng,Zhang, Hongming,Qiu, Xuepeng,et al. Palladium within ionic liquid functionalized mesoporous silica SBA-15 and its catalytic application in room-temperature Suzuki coupling reaction[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2008,295(1-2):57-67.
APA Han, Peng,Zhang, Hongming,Qiu, Xuepeng,Ji, Xiangling,&Gao, Lianxun.(2008).Palladium within ionic liquid functionalized mesoporous silica SBA-15 and its catalytic application in room-temperature Suzuki coupling reaction.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,295(1-2),57-67.
MLA Han, Peng,et al."Palladium within ionic liquid functionalized mesoporous silica SBA-15 and its catalytic application in room-temperature Suzuki coupling reaction".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 295.1-2(2008):57-67.
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