TITLE:
Enantioresolution of a Series of Chiral Benzyl Alcohols by HPLC on a Dinitrobenzoylphenylglycine Stationary Phase after Achiral Pre-Column Derivatization*
AUTHORS:
Svilen P. Simeonov, Anton P. Simeonov, Aleksandar R. Todorov, Vanya B. Kurteva
KEYWORDS:
HPLC, DNBPG, Enantioseparation, Benzyl Alcohols, Achiral Pre-Column Derivatization, Benzoates, Chlorobenzoates, Naphthoates
JOURNAL NAME:
American Journal of Analytical Chemistry,
Vol.1 No.1,
June
3,
2010
ABSTRACT: High performance liquid chromatography method for the separation of a series of chiral benzyl alcohols on N-(3,5-dinitrobenzoyl)-D-phenylglycine stationary phase (Macherey Nagel, Chiral-2) after pre-column achiral derivatization was developed. Cheap and easy available aromatic acid chlorides were used as derivatization agents. Good to excellent separations of the enantiomers were achieved in all cases in relatively short analytical runs. It was shown that the enantiorecognition depends on the substituents both in the starting alcohol and in the acid chloride. The method presents an efficient alternative to the direct analyses on polysaccharide and cyclodextrine-derived stationary phases.