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EnglishEnantiomeric pairs of 11 dansyl derivatives of alpha-amino acids were used as analytes in electrokinetic chromatography to test the ability as chiral selectors of two pure derivatives of beta-cyclodextrin: the ethylendiamine derivative in primary position (CDen) and a member of a new class of receptors, the cysteamine-bridged hemispherodextrin THCMH. The selectivity obtained by the presence of the hemispherodextrin, appears particularly promising as shown by the large values of resolution obtained. The importance of a detailed analysis of these data is discussed in terms of suggestions for a rational approach to separation science. (C) 2007 Elsevier B.V. All rights reserved.
Enantiomeric pairs of 11 dansyl derivatives of alpha-amino acids were used as analytes in electrokinetic chromatography to test the ability as chiral selectors of two pure derivatives of beta-cyclodextrin: the ethylendiamine derivative in primary position (CDen) and a member of a new class of receptors, the cysteamine-bridged hemispherodextrin THCMH. The selectivity obtained by the presence of the hemispherodextrin, appears particularly promising as shown by the large values of resolution obtained. The importance of a detailed analysis of these data is discussed in terms of suggestions for a rational approach to separation science. (C) 2007 Elsevier B.V. All rights reserved.
| Titolo: | High selectivity in new chiral separations of dansyl amino acids by cyclodextrin derivatives in electrokinetic chromatography |
| Autori interni: | |
| Data di pubblicazione: | 2007 |
| Rivista: | |
| Handle: | http://hdl.handle.net/20.500.11769/8660 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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