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|Title:||Development of vancomycin-capped β-CD-bonded silica particles as chiral stationary phase for LC||Authors:||Zhao, J.
Thamarai Chelvi, S.K.
|Keywords:||β-Cyclodextrin and vancomycin
Chiral stationary phase
Column liquid chromatography
|Issue Date:||Dec-2010||Citation:||Zhao, J., Thamarai Chelvi, S.K., Tan, D., Yong, E.L., Lee, H.K., Gong, Y. (2010-12). Development of vancomycin-capped β-CD-bonded silica particles as chiral stationary phase for LC. Chromatographia 72 (11-12) : 1061-1066. ScholarBank@NUS Repository.||Abstract:||Vancomycin-capped (3-(2-O-β-cyclodextrin)-2-hydroxypropoxy)- propylsilyl-appended silica particles (VCD-HPS), a new type of substituted β-cyclodextrin-bonded chiral stationary phase (CSP) for liquid chromatography (LC), have been synthesized by treatment of bromoacetate- substituted-(3-(2-O-β-cyclodextrin)-2-hydroxypropoxy)-propylsilyl-appended silica particles (BACD-HPS) with vancomycin in anhydrous methanol. The stationary phase is characterized by elemental analysis. This new CSP has a chiral selector with two recognition sites: vancomycin and β-cyclodextrin (β-CD), which can provide multiple interactions with the solutes. The chromatographic performance of VCD-HPS was studied with several disubstituted benzenes and some chiral drug compounds as solutes in reversed-phase LC. The results show that VCD-HPS has excellent selectivity for the separation of aromatic positional isomers and enantiomers of chiral compounds. © 2010 Vieweg+Teubner Verlag | Springer Fachmedien Wiesbaden GmbH.||Source Title:||Chromatographia||URI:||http://scholarbank.nus.edu.sg/handle/10635/75934||ISSN:||00095893|
|Appears in Collections:||Staff Publications|
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