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The study of enantioseparation of zolmitriptan on vancomycin-bonded chiral stationary phase

✍ Scribed by Datong Zhang; Xiuzhu Xu; Shanshan Ma

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
207 KB
Volume
28
Category
Article
ISSN
1615-9306

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✦ Synopsis

In this study, the chiral stationary phase was prepared by bonding vancomycin to 5 microm spherical silica gel according to "one-pot" synthetic strategies, and used to separate the enantiomers of zolmitriptan under polar ionic mode. The influences of mobile phase composition, such as the concentration and ratio of glacial acetic acid (HOAc) and triethylamine (TEA), on the enantioseparation were investigated, and the chiral recognition mechanism is discussed. It was found experimentally that the retention factors were increased with the increase of the HOAc/TEA concentration in a certain extent, and the ionic interactions, hydrogen bondings, and steric interactions may play key role together. The method is suitable for baseline separation of zolmitriptan enantiomers.

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