Synthesis of ammonium substituted β-cyclodextrins for enantioseparation of anionic analytes.
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Author(s)
Wayan Muderawan, I.
Ong, Teng-Teng
Tang, Wei-hua
Young, David
Ching, Chi-Bun
Ng, Siu-Choon
Ong, Teng-Teng
Tang, Wei-hua
Young, David
Ching, Chi-Bun
Ng, Siu-Choon
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2005
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Abstract
New ammonium functionalized cyclodextrins can be prepared in excellent yields by displacement of 6-tosyl-߭cyclodextrin with alkylimidazoles, pyridine or alkylamines and achieve excellent enantioseparation of dansyl amino acids presumably due to electrostatic interactions between the cationic host and anionic guest.
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Tetrahedron Letters
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© 2005 Elsevier : Reproduced in accordance with the copyright policy of the publisher : This journal is available online - use hypertext links.
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Subject
Medicinal and Biomolecular Chemistry
Organic Chemistry
Organic Chemistry