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Ionic chiral selectors have been received much attention in the field of asymmetric catalysis, chiral recognition, and preparative separation. It has been shown that the addition of ionic chiral selectors can enhance the recognition efficiency dramatically due to the presence of multiple intermolecular interactions, including hydrogen bond, π–π interaction, van der Waals force, electrostatic ion‐pairing...
Very different from enantiorecognition at an analytical level, preparative enantioseparation at scale production has to confront many problems. In recent years, various separation techniques have been developed with much progress including high‐performance liquid chromatography, liquid–liquid extraction, membrane separation, enantioselective solid‐phase absorption, and enantioselective precipitation...
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