Abstract
Enantioselective transport abilities of crown ethers containing a diarylphosphinic acid unit toward the enantiomers of chiral amines were studied through an aqueous source phase-lipophilic membrane-aqueous receiving phase liquid membrane system.
Graphical Abstract
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Acknowledgments
The project was financially supported by the National Research, Development and Innovation Office of Hungary (K112289). Support of Judit Müller, György Tibor Balogh and the Gedeon Richter PLC. with the determination of the enantiomeric excess is gratefully acknowledged.