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Immobilization of Cinchona Quaternary Ammonium Salts as the Chiral Phase Transfer Catalysts on Multi-walled Carbon Nanotubes and Their Application in Enantioselective Alkylation
Liu Jian1; Liu Yan2; Shi Xin1; Yang Qihua2
KeywordMulti-walled Carbon Nanotube Chiral Phase Transfer Catalyst Cinchona Alkaloid Adsorption Enantioselective Alkylation
Source PublicationCHINESE JOURNAL OF CATALYSIS
2012-05-01
DOI10.3724/SP.J.1088.2012.11213
Volume33Issue:5Pages:891-897
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordSUPPORTED NICKEL-CATALYSTS ; ELECTROOXIDATION ; PERFORMANCE
AbstractThe pyrene-tagged cinchona quaternary ammonium salt, the chiral phase transfer catalysts (PTC-1), was synthesized and immobilized on multi-walled carbon nanotubes (MWCNTs). The new catalysts (PTC-1/MWCNTs) were employed in enantioselective alkylation of N-(diphenylmethyene)glycine tert-butyl ester. UV-Vis absorption spectra show the effect of different organic solvents on the adsorption and desorption of PTC-1 onto and from MWCNTs, respectively. The results show that 5.3 mg PTC-1 can be loaded on 10 mg MWCNTs in toluene, and 0.02025 mg PTC-1 was desorbed from 12.7 mg PTC-1/MWCNTs when washed by CHCl3. In the enantioselective alkylation of different halohydrocarbons with N-(diphenylmethyene)glycine tert-butyl ester using PTC-1/MWCNTs as a catalyst, the alkylating products were obtained with high yield and ee value. Furthermore, PTC-1/MWCNTs catalyst can be recovered and used repeatedly. PTC-1/MWCNTs as a new catalyst is effective in enantioselective alkylation of multiple halohydrocarbon.
Language英语
WOS IDWOS:000304019200022
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/143098
Collection中国科学院大连化学物理研究所
Affiliation1.Liaoning Normal Univ, Sch Chem & Chem Engn, Inst Chem Functionalized Mat, Dalian 116029, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Liu Jian,Liu Yan,Shi Xin,et al. Immobilization of Cinchona Quaternary Ammonium Salts as the Chiral Phase Transfer Catalysts on Multi-walled Carbon Nanotubes and Their Application in Enantioselective Alkylation[J]. CHINESE JOURNAL OF CATALYSIS,2012,33(5):891-897.
APA Liu Jian,Liu Yan,Shi Xin,&Yang Qihua.(2012).Immobilization of Cinchona Quaternary Ammonium Salts as the Chiral Phase Transfer Catalysts on Multi-walled Carbon Nanotubes and Their Application in Enantioselective Alkylation.CHINESE JOURNAL OF CATALYSIS,33(5),891-897.
MLA Liu Jian,et al."Immobilization of Cinchona Quaternary Ammonium Salts as the Chiral Phase Transfer Catalysts on Multi-walled Carbon Nanotubes and Their Application in Enantioselective Alkylation".CHINESE JOURNAL OF CATALYSIS 33.5(2012):891-897.
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