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|Title:||Physicochemical properties, binary and ternary phase diagrams of ketoprofen||Authors:||Lu, Y.H.
|Issue Date:||2004||Citation:||Lu, Y.H., Ching, C.B. (2004). Physicochemical properties, binary and ternary phase diagrams of ketoprofen. Chirality 16 (8) : 541-548. ScholarBank@NUS Repository.||Abstract:||Compared to simulated moving bed (SMB) chromatography, fractional crystallization is a simple and economical method for enantioseparation. Therefore, the coupling of SMB chromatography and fractional crystallization is suggested for enantioseparation of racemic compounds. In this work, a nonsteroidal antiinflammatory drug, ketoprofen (Kp), was chosen to be studied. Kp was verified as a racemic compound by FTIR, PXRD, and thermodynamic calculations. To derive the condition where pure (S)-Kp could be crystallized from a solution, which was previously enantiomerically enriched, the binary melting phase diagram and the ternary solubility phase diagram in the mixed solvent of ethanol and water over a temperature range of 15-30°C were obtained. From these phase diagrams the eutectic point was determined as 91.6% mole percent (S)-Kp from the binary phase diagram and 91% from the ternary phase diagram. The results may provide valuable experiment data for the possibility of coupling fractional crystallization with SMB for Kp separation. © 2004 Wiley-Liss, Inc.||Source Title:||Chirality||URI:||http://scholarbank.nus.edu.sg/handle/10635/89795||ISSN:||08990042|
|Appears in Collections:||Staff Publications|
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