Journal of Chromatography A 1999-06-18

High-performance liquid chromatographic separation of novel atropic alpha,alpha-disubstituted-beta-amino acids, either on different beta-cyclodextrin-bonded phases or as their 1-fluoro-2,4-dinitrophenyl-5-L-alanine amide derivatives.

G Török, A Péter, A Gaucher, M Wakselman, J P Mazaleyrat, D W Armstrong

Index: J. Chromatogr. A. 846(1-2) , 83-91, (1999)

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Abstract

The high-performance liquid chromatographic enantioresolution of free and N- and/or C-protected derivatives of (R,S)-2',1':1,2;1",2":3,4-dinaphthcyclohepta-1,3-diene-6-aminometh yl-6- carboxylic acid (beta 2-Bin) by direct and indirect methods is reported. The direct separation was carried out on native and different derivatized beta-cyclodextrin-bonded phases. The indirect resolution was achieved by applying pre-column derivatization with 1-fluoro-2,4-dinitrophenyl-5-L-alanine amide. The effects of different parameters such as the mobile phase composition and the structures of the compounds on the enantiomeric resolution are discussed.

Related Compounds

  • N2-(5-Fluoro-2,4-...

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