期刊
ELECTROPHORESIS
卷 32, 期 19, 页码 2718-2726出版社
WILEY
DOI: 10.1002/elps.201100264
关键词
Capillary electrochromatography; Enantioseparations; Non-acidic compounds; Polysaccharide stationary phases
A generic strategy for the chiral separation of non-acidic pharmaceuticals was updated to complete an approach defined earlier. The selected chiral stationary phases are all polysaccharide selectors, chlorinated, and non-chlorinated, namely Lux (R) Amylose 2, Chiralcel (R) OD-RH, Lux (R) Cellulose 4, and Chiralpak (R) AD-RH. In this study, the screening step of a strategy defined earlier was updated and the optimization steps were re-evaluated for the applied chiral stationary phases. These screening and optimization conditions were studied by analyzing 20 pharmaceuticals at different organic modifier contents, temperatures, or applied voltages. The proposed chiral separation strategy was then evaluated with a test set of 19 non-acidic drugs. Seventeen compounds (89.5%) of the latter set could be resolved of which eight (42%) were baseline separated. The strategy thus proved to be applicable on compounds different from those used for its development.
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