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ENANTIOSELECTIVE DRUG ANALYSIS: PROBLEMS AND RESOLUTIONS
Author(s) -
Nation Roger L.
Publication year - 1989
Publication title -
clinical and experimental pharmacology and physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 103
eISSN - 1440-1681
pISSN - 0305-1870
DOI - 10.1111/j.1440-1681.1989.tb01590.x
Subject(s) - enantiomer , enantioselective synthesis , diastereomer , chemistry , resolution (logic) , chromatography , high performance liquid chromatography , combinatorial chemistry , organic chemistry , computer science , artificial intelligence , catalysis
SUMMARY 1. With the increasing appreciation that the enantiomers of a chiral drug can differ pharmacokinetically and/or pharmacodynamically, there is considerable interest in methods for the resolution and quantification of enantiomers. 2. Enantiomers possess identical physical and chemical properties in a symmetrical environment and, therefore, their resolution requires the introduction of an asymmetric or chiral environment allowing diastereomeric interactions. This can be achieved using a number of chromatographic techniques, of which the most developed and widely used is high‐performance liquid chromatography (HPLC). 3. Resolution and quantification of enantiomers can be performed using HPLC by either converting the enantiomers to covalent diastereomers prior to chromatography or introducing a chiral environment to the chromatographic system, thereby allowing temporary diastereomeric interactions. 4. Antibodies are chiral molecules which can bind the enantiomers of a chiral drug in a differential manner. This is the basis of enantioselective immunoassay, which is a promising technique for the enantioselective analysis of drugs in biological fluids. 5. Each of the methods available has its limitations, advantages and potential applications in the pharmaceutical industry.