Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1532, Issue -, Pages 89-97Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2017.11.049
Keywords
CHIRALPAK IG; HPLC; Enantioselective separation; Nonstandard solvents; Reversed phase
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We have previously reported on the solvent versatility of immobilized amylose and cellulose-based chiral stationary phases in enantioselective liquid chromatographic separation of racemates. The studies were mainly focusing on the tris substituted 3,5-dimethylphenylcarbamate polysaccharide-based chiral stationary phases namely CHIRALPAK IA (R) [Amylose tris (3,5-dimethylphenylcarbamate)] or ADMPC and CHIRALPAK IB (R) [Cellulose tris (3,5-dimethylphenylcarbamate)] or CDMPC. Here we focus on the application of the recently introduced amylose tris (3-chloro-5-methylphenylcarbamate) or ACMPC and brand name CHIRALPAK IG (R) with a chlorine substituent replacing the methyl group in CHIRALPAK IA (R). This was investigated for the enantioslective separation of different classes of pharmaceuticals namely beta- and alpha-blockers, anti-inflammatory and antifungal drugs, norepinephrine-dopamine reuptake inhibitor, catecholamines, sedative hypnotics, anti-histaminics, anticancer drugs, antiarrhythmic drugs, flavonoids, amino acids, alpha-2 adrenergic agonist, adrenaline and miscellaneous.A brief comparison between CHIRALPAK IG (R) and CHIRALPAK IA (R) under normal standard, non-standard and reversed mobile phase is demonstrated. The results revealed the versatility of the CHIRALPAK IG (R) column, its compatibility with a wide ranges of solvent and operation modes and its ability to separate chiral compounds not separated with other amylose based chiral stationary phases. (C) 2017 Elsevier B.V. All rights reserved.
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