Abstract
Several important chiral phenethylamine agents such as mexiletine, fenfluramine, amphetamine, methamphetamine and N- n-propylamphetamine show stereoselective disposition in humans and large differences in therapeutic relevance and toxicity. To analyze the enantiomers of chiral amine drugs, stereoselective methods were developed to separate those enantiomers on an achiral capillary gas chromatography by pre-column chiral derivatization with S-(−)- N-(fluoroacyl)-prolyl chloride. The stereoselectivity and sensitivity can be improved by chiral derivatization. The methods established offer enantioselective, simple, flexible and economic approaches for the analysis of chiral amine drug enantiomers in biological fluids. The methods have been used to determine S-(+)-methamphetamine in human forensic samples and to analyze enantiomers of amphetamine and fenfluramine in rat liver microsomes.
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