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- W2376903485 abstract "The distribution behavior of dopar enantiomers in the extraction system was investigated with D(L)-isobutyl tartrate in 1,2-dichloroethane organic phase and HP-β-CD in aqueous phase,and the influence of kind and concentration of tartaric acid esters was evaluated.The concentration of HP-β-CD and pH on extraction performance were investigated.A new chiral separation technology two-phase(O/W) recognition chiral extraction was used.HP-β-CD owned a higher recognition ability for S-DOPA than that for R-DOPA,whereas L-isobutyl tartrate owned a higher recognition ability for R-DOP than that for S-DOPA.In the extraction system containing HP-β-CD and L-isobutyl tartrate,the distribution ratios for R-DOPA(kR) and for S-DOP(kS) and separation factor(α) were 8.92,5.34 and 1.67 after one stage extraction,respectively.Meanwhile,pH and concentration of extractant showed great effects on chiral separation ability.Two-phase(O/W) recognition chiral extraction is of strong chiral separation ability and great significance for preparative separation of racemic compounds." @default.
- W2376903485 created "2016-06-24" @default.
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- W2376903485 date "2011-01-01" @default.
- W2376903485 modified "2023-09-23" @default.
- W2376903485 title "Study on Resolution of Dopar by Two-Phase(O/W) Recognition Chiral Extraction" @default.
- W2376903485 hasPublicationYear "2011" @default.
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