Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/5814
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dc.contributor.authorTulashie, Samuel Kofi-
dc.contributor.authorLorenz, Heike-
dc.contributor.authorHilfert, Liane-
dc.contributor.authorEdelmann, Frank Thomas-
dc.contributor.authorSeidel-Morgenstern, Andreas-
dc.date.accessioned2021-08-11T13:00:12Z-
dc.date.available2021-08-11T13:00:12Z-
dc.date.issued2008-
dc.identifier.issn23105496-
dc.identifier.urihttp://hdl.handle.net/123456789/5814-
dc.description7p:, ill.en_US
dc.description.abstractIt can be expected that a chiral solvent possesses a certain potential to discriminate between two enantiomers by creating specific weak interactions and forming disastereomeric complexes which have different physical properties. Thus, for chiral solvents, there might be an asymmetry in the solubility phase diagrams that could be employed for resolution purposes. In this work, investigations were carried out to identify appropriate chiral solvents for the discrimination of enantiomers with the aid of nuclear magnetic resonance (NMR) spectroscopy and Raman spectroscopy. The 1H NMR and Raman spectra results of mandelic acid in the chiral solvents did not show any significant chiral recognition. The effect of (S)-ethyl lactate and (2R, 3R)-diethyl tartrate on solubility was examined by measuring the ternary phase diagrams of mandelic acid and N-methylephedrine. The phase diagrams determined at different temperatures were symmetric indicating again that the used chiral solvents have less or no influence on the thermodynamics of solution. However, in additional experiments, it was found that there can be significant differences in the nucleation behavior of the two enantiomers in a chiral solvent7Pen_US
dc.language.isoenen_US
dc.publisherUniversity of Cape Coasten_US
dc.titlePotential of chiral solvents for enantioselective crystallization. 1. evaluation of thermodynamic effectsen_US
dc.typeArticleen_US
Appears in Collections:Department of Chemistry

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