Bioassay, determination and separation of enantiomers of atenolol by direct and indirect approaches using liquid chromatography: A review

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EarlyView Article

  • Published: Oct 9, 2017
  • Author: Sonika Batra, Ravi Bhushan
  • Journal: Biomedical Chromatography


Atenolol, a β‐adrenergic receptor antagonist, is a chiral compound used for the treatment of cardiovascular diseases and to treat hypertension, coronary heart disease, arrhythmias, sinus tachycardia and myocardial infarction, where it acts preferentially upon the β‐adrenergic receptors in the heart. It is marketed as a racemate, but only the (S)‐enantiomer of (RS)‐atenolol is responsible for the β‐adrenoceptor blocking activity. Different chromatographic methods have been applied for the separation and determination of enantiomers. In this article a review is presented on liquid chromatographic methods for enantioseparation of (RS)‐atenolol by both direct and indirect approaches involving practical applications of several chiral stationary phases, chiral derivatization reagents and ligand exchange and impregnation methods. These include methods using both HPLC and TLC for separation, determination and bioassay of enantiomers of atenolol. In addition, some aspects of enantioseparation under achiral phases of liquid chromatography have been briefly mentioned as applicable to (RS)‐atenolol. This review provides current available enantioseparation choices not only for (RS)‐atenolol but also for other applicable racemic drugs.

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