Abstract
An OJ-H chiral column has been used for direct resolution of the enantiomers of betaxolol and related intermediates in the preparation of (S)-betaxolol. The enantiomers can be excellently resolved (R S > 2) within 9.4 min with high peak symmetry. The enantiomers of some acetylated intermediates, which cannot be resolved on an OD-H column, can also be resolved. The method is simple and suitable for routine determination of ee values in the preparation of (S)-betaxolol.
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We acknowledge the National Natural Science Foundation of the PR China for financial support of this work (20572103).
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Li, YH., Huang, LH., Zhang, SS. et al. Direct Resolution of the Enantiomers of Betaxolol and Related Intermediates, and Its Application. Chroma 71, 987–991 (2010). https://doi.org/10.1365/s10337-010-1615-9
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DOI: https://doi.org/10.1365/s10337-010-1615-9