Startseite Lebenswissenschaften Enantioselective extraction of mandelic acid enantiomers by L-dipentyl tartrate and β-cyclodextrin as binary chiral selectors
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Enantioselective extraction of mandelic acid enantiomers by L-dipentyl tartrate and β-cyclodextrin as binary chiral selectors

  • F. Jiao EMAIL logo , X. Chen , W. Hu , F. Ning und K. Huang
Veröffentlicht/Copyright: 1. August 2007
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Chemical Papers
Aus der Zeitschrift Chemical Papers Band 61 Heft 4

Abstract

A new binary chiral selector system effective for the enantioselective extraction of racemic mandelic acid is presented. While L-dipentyl tartrate and β-cyclodextrin had a very low enantioselectivity as single selectors, a preferential extraction of D-mandelic acid to the organic phase was found in the binary selector system. Using decanol as organic solvent and pH of a phoshate buffer equal to 2.3, the distribution coefficients of D-and L-mandelic acids as high as 14.9 and 7.0, respectively, and the enantioselectivity value of 2.1 were found at optimum concentration of β-cyclodextrin.

Keywords: enantiomer; mandelic acid; enantioselective extraction; chiral selector; L-dipentyl tartrate; β-cyclodextrin

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Published Online: 2007-8-1
Published in Print: 2007-8-1

© 2007 Institute of Chemistry, Slovak Academy of Sciences

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  7. Homo- and heteronuclear complexes of a new, vicinal dioxime ligand
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  13. Enantioselective extraction of mandelic acid enantiomers by L-dipentyl tartrate and β-cyclodextrin as binary chiral selectors
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https://doi.org/10.2478/s11696-007-0041-4
Schlagwörter für diesen Artikel
enantiomer; mandelic acid; enantioselective extraction; chiral selector; L-dipentyl tartrate; β-cyclodextrin

Artikel in diesem Heft

  1. Step by step towards understanding gold glyconanoparticles as elements of the nanoworld
  2. Structure—activity relationships for in vitro oxime reactivation of chlorpyrifos-inhibited acetylcholinesterase
  3. Separation and characterization of products from thermal cracking of individual and mixed polyalkenes
  4. Mobility of important toxic analytes in urban dust and simulated air filters determined by sequential extraction and GFAAS/ICP-OES methods
  5. Effect of addition of ameliorative materials on the distribution of As, Cd, Pb, and Zn in extractable soil fractions
  6. Effect of gamma irradiation on trichromatic values of spices
  7. Homo- and heteronuclear complexes of a new, vicinal dioxime ligand
  8. Synthesis of new triphenodithiazine- and indolocarbazolediones of biological interest
  9. Dielectric relaxation of butyl acrylate—alcohol mixtures using time domain reflectometry
  10. Ab initio study of small coinage metal telluride clusters AunTem (n, m = 1, 2)
  11. Binding affinities and spectra of complexes formed by dehydrotetrapyrido[20]annulene and small molecules
  12. Comparison of spectrophotometric and HPLC methods for determination of lipid peroxidation products in rat brain tissues
  13. Enantioselective extraction of mandelic acid enantiomers by L-dipentyl tartrate and β-cyclodextrin as binary chiral selectors
  14. Mechanism of thermal decomposition of cobalt acetate tetrahydrate
  15. Three-component, one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones catalyzed by bromodimethylsulfonium bromide
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