Mechanistic study on the opposite migration order of clenbuterol enantiomers in capillary electrophoresis with β-cyclodextrin and single-isomer heptakis(2,3-diacetyl-6-sulfo)-β-cyclodextrin

来自 Wiley

阅读量:

19

摘要:

Opposite migration order was observed for the enantiomers of the chiral beta2-adrenergic drug clenbuterol (CL) in capillary electrophoresis (CE) when resolved with native beta-cyclodextrin (beta-CD) and heptakis (2,3-diacetyl-6-sulfo)-beta-CD (HDAS-beta-CD). The possible mechanisms of the affinity reversal of the CL enantiomers depending on the structure of the CD were studied using 1H-nuclear magnetic resonance (1H-NMR) spectrometry and one-dimensional rotating frame nuclear Overhauser and exchange spectrometry (1-D ROESY). Significant differences were observed between the structure of the (+/-)-CL complexes with beta-CD and HDAS-beta-CD.

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DOI:

10.1002/1522-2683(200109)22:153.0.CO;2-F

被引量:

107

年份:

2001

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来源期刊

Electrophoresis
2001/09/01

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2010
被引量:23

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