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|Title:||Enantiomeric separation of 1-phenyl-1-propanol using calix arene-capped β-cyclodextrin-bonded silica particles as chiral stationary phase in capillary electrochromatography|
Chiral Stationary Phase
|Source:||Zhao, J.,Li, J.,Yong, E.L.,Gong, Y.H. (2013). Enantiomeric separation of 1-phenyl-1-propanol using calix arene-capped β-cyclodextrin-bonded silica particles as chiral stationary phase in capillary electrochromatography. Advanced Materials Research 749 : 304-308. ScholarBank@NUS Repository. https://doi.org/www.scientific.net/AMR.749.304|
|Abstract:||A new type of calix  arene-capped (3-(2-O-β-cyclodextrin)-2-hydroxypropoxy) propylsilyl-appended silica particles (C4CD-HPS) has been successfully used as chiral stationary phase (CSP) in capillary electrochromatography (CEC) for separation of enantiomers of 1-phenyl-1-propanol for the first time. C4CD-HPS contains a chiral selector with two recognition sites: calix arene and β-cyclodextrin. Due to the cooperative functioning of the calix arene and β-cyclodextrin, C4CD-HPS has exhibited excellent enantioselectivity for the enantiomers of 1-phenyl-1-propanol. After the multiple phenolic hydroxyl groups in the calix arene moieties are ionized in the running buffer, the bonded stationary phase C4CD-HPS becomes negatively-charged to provide high electroosmotic flow (EOF) in CEC. Fast and high-resolution separation for enantiomers of 1-phenyl-1-propanol has been easily achieved on C4CD-HPS. This new type of chiral stationary phase has exhibited great potential for fast enantiomeric separations in CEC. © (2013) Trans Tech Publications, Switzerland.|
|Source Title:||Advanced Materials Research|
|Appears in Collections:||Staff Publications|
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