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色谱  2001 

Enantioseparation of Twelve Pharmaceutical Racemates with High Performance Capillary Electrophoresis Using L-Leucine as Chiral Selector
以L-白氨酸为手性选择剂用毛细管电泳法拆分12种手性药物

Keywords: capillary electrophoresis,enantioseparation,L,leucine,chiral drug
毛细管电泳法
,手性分离,L-白氨酸,手笥药物,手性选择剂

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Abstract:

A rapid enantiomeric separation method using L leucine as chiral selector was established. Capillary zone electrophoresis (CZE) has been used for the enantiomeric separation of twelve pharmaceutical racemates with bare fused silica capillary and employing L leucine as chiral selector. The enantiomeric resolution was influenced by L leucine concentration and pH of background electrolyte (BGE). The effects of the BGE types and concentrations on the enantiomeric separation were also investigated. The results showed that in the solution containing 50 mmol/L borax and 70 mmol/L L leucine (pH 9 0), all the twelve drugs were on baseline separated in less than 11 minutes.

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