Novel cinchona alkaloid carbamate C9-dimers as chiral anion-exchange type selectors for high-performance liquid chromatography.

@article{Franco2000NovelCA,
  title={Novel cinchona alkaloid carbamate C9-dimers as chiral anion-exchange type selectors for high-performance liquid chromatography.},
  author={P. Franco and M. L{\"a}mmerhofer and P. M. Klaus and W. Lindner},
  journal={Journal of chromatography. A},
  year={2000},
  volume={869 1-2},
  pages={
          111-27
        }
}
Nine new quinine (QN) carbamate C9-dimers (QN-X-QN), with different aliphatic and cyclic spacers (X), have been synthesized and immobilized onto porous silica gel for HPLC. The chiral discriminating behavior of these "dimeric" anion-exchange type chiral stationary phases (CSPs) has been investigated in detail, to elucidate the role of the presence of a second QN subunit on the chiral selector (SO), as well as the influence of the structure and length of the spacer, on the overall chiral… Expand
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