Abstract
AbstractIn order to obtain a better enantioselectivity of phenylalanine enantiomers and establish the optimal chiral extraction conditions, the distribution behavior was investigated in aqueous two‐phase systems which were composed of polyethylene glycol and ammonium sulfate containing combinatorial chiral selector: β‐cyclodextrin and HP‐β‐cyclodextrin. The influence of the molar concentration ratio of combinatorial chiral selectors, the total molar concentration of combinatorial chiral selectors, pH value, buffer type and its concentration were thoroughly studied, respectively. The results show that the enantioselectivity reaches 1.53 under the optimal chiral extraction conditions. This extraction is a potential economical and effective way for chiral resolution.
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