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BINAP‐metal complexes were prepared as extractant for enantioselective liquid–liquid extraction (ELLE) of amino‐(4‐nitro‐phenyl)‐acetic acid (NPA) enantiomers. The influence of process variables, including types of organic solvents and metal precursor, concentration of ligand, pH, and temperature on the efficiency of the extraction, were investigated experimentally. An interfacial reaction model was...
Equilibrium study on enantioselective reactive extraction of p-hydroxyphenylglycine (HPG) enantiomers employing (S)-BINAP–metal complexes as host (selector) was performed in a batch system at 5°C. A reactive extraction model with an interfacial reaction of HPG enantiomers with (S)-BINAP–metal complexes was established to describe the experimental data. The equilibrium formation constants at the interface...
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