Indirect enantioresolution of (R,S)-mexiletine by reversed-phase high-performance liquid chromatography via diastereomerization with [(S,S)-O,O'-di-p-toluoyl tartaric acid anhydride], (S)-naproxen and nine chiral reagents synthesized as variants of Marfey's reagent.

@article{Bhushan2011IndirectEO,
  title={Indirect enantioresolution of (R,S)-mexiletine by reversed-phase high-performance liquid chromatography via diastereomerization with [(S,S)-O,O'-di-p-toluoyl tartaric acid anhydride], (S)-naproxen and nine chiral reagents synthesized as variants of Marfey's reagent.},
  author={R. Bhushan and Shivani Tanwar and S. Dixit},
  journal={Biomedical chromatography : BMC},
  year={2011},
  volume={25 3},
  pages={
          398-404
        }
}
Eleven chiral derivatizing reagents (CDRs) were used for preparation of diastereomers of (R,S)-mexiletine containing a primary amino group in close proximity to the stereogenic center. One anhydride, namely [(S,S)-O,O'-di-p-toluoyl tartaric acid anhydride] was synthesized and (S)-naproxen was used as such as the chiral derivatizing reagent. The other nine CDRs were synthesized by substituting one of the fluorine atoms in 1,5-difluoro-2,4-dinitrobenzene with six amino acid amides and three amino… Expand
6 Citations
Chromatographic separations based on tartaric acid and its derivatives
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