Results 81 to 90 of about 2,821 (224)

Comparative study on the enantioseparation of glutethimide using dual cyclodextrin systems and cyclodextrin modified MEKC in capillary electrophoresis [PDF]

, 2002
peer reviewedIn order to critically evaluate the potential of dual cyclodextrin (CD) systems in CE, enantioseparation of the neutral chiral analyte glutethimide (GT) was performed using: a) charged CDs; b) combinations of charged and neutral CDs (dual CD
Jose Luis Valera, Román Andrés, Crommen, Jacques, Burjanadze, Naira, Sun, L., García Ruiz, Carmen, Carmen García-Ruiz, CONTE, Lanfranco, Marina Alegre, María Luisa, Fernando Laborda, Chankvetadze, Bezhan, Valera, José Luis, María Luisa Marina, Blaschke, Gottfried, Abushoffa, Adel M., MORET, Sabrina, Andrés, Román, Andrés Herranz, Román, Lee, H.K., Laborda Rodríguez, Fernando   +19 more
core   +1 more source

Derivatisation procedures for the chromatographic enantioseparation of fexofenadine hydrochloride

, 2003
The paper describes two different pre-column derivatisation procedures for the chromatographic enantioseparation of fexofenadine ...
FERIOLI, Valeria, GAMBERINI, Gianfranco, RUSTICHELLI, Cecilia   +2 more
core  

Mining Chromatographic Enantioseparation Data Using Matched Molecular Pair Analysis

, 2016
International audienceWe apply matched molecular pair (MMP) analysis to data from ChirBase, which contains literature reports of chromatographic enantioseparations.
William H. Pirkle, Piras, Patrick, Welch, Christopher, Christian Roussel, Patrick Piras, Christopher J. Welch, Sheridan, Robert, Sherer, Edward, William Pirkle, Edward C. Sherer, Pirkle, William, Edward Sherer, Robert Sheridan, Christopher Welch, Roussel, Christian, Robert P. Sheridan   +15 more
core   +1 more source

A Novel Two-Step Liquid-Liquid Extraction Procedure Combined with Stationary Phase Immobilized Human Serum Albumin for the Chiral Separation of Cetirizine Enantiomers along with M and P Parabens

Molecules, 2016
The research into the separation of drug enantiomers is closely related to the safety and efficiency of the drugs. The aim of this study was to develop a simple and validated HPLC method to analyze cetirizine enantiomers.
Aleksandra Chmielewska, Lucyna Konieczna, Tomasz Bączek   +2 more
doaj   +1 more source

HPLC and SFC Enantioseparation of (±)-Trans-β-Lactam Ureas on Immobilized Polysaccharide-Based Chiral Stationary Phases—The Introduction of Dimethyl Carbonate as an Organic Modifier in SFC

Separations
A series of nine racemic trans-β-lactam ureas were analyzed for enantiomer separation by high-performance liquid chromatography (HPLC) and supercritical fluid chromatography (SFC).
Mladenka Jurin, Darko Kontrec, Marin Roje   +2 more
doaj   +1 more source

Simultaneous Enantioseparation of Three Chiral Antifungal Pesticides by Hydroxypropyl-γ-CD-Modified Micellar Electrokinetic Chromatography

, 2023
Simultaneous enantioseparation of three commonly used chiral antifungal pesticides (diniconazole, hexaconazole, and imazalil) was first studied based on micellar electrokinetic chromatography (MEKC) with hydroxypropyl-γ-CD (HP-γ-CD) as chiral selector ...
Xiaoyu Yang
core   +1 more source

Crystallization of enantiomers : from the phase diagram to crystallization based enantioseparation

, 2007
Often it is not recognized that crystallization methods can be applied for enantioseparation purposes. Thus, the intention of this lecture is to present and to discuss several aspects relevant to derive the feasibility of crystallization based ...
Lorenz, H.
core  

Recent Achievements in Simulated Moving Bed (SMB) Technology. Part I. [PDF]

Kemija u Industriji, 2010
Simulated moving bed (SMB) technology is over half a century known in continuous chromatographic separation of binary mixtures. Invented and developed in the petrochemical and sugar industries, it was recognized by organic chemists in the pharmaceutical ...
Roje, M., Kontrec, D., Šunjić, V., Franić, D.   +3 more
doaj  

Comparative HPLC enantioseparation of new chiral hydantoin derivatives on three different polysaccharide type chiral stationary phases

, 2002
The enantioseparation of eighteen new chiral hydantoin derivatives was studied on three different polysaccharide type chiral stationary phases (CSP) Chiralpak AD, Chiralcel OD and Chiralcel OJ in the normal-phase HPLC mode.
Kanyonyo, Martial, Lambert, DM., Chankvetadze, B, Kartozia, I, Happaerts, T, Scriba, GKE.   +5 more
core   +1 more source

The enantioselective potential of amylose tris(3‑chloro-5-methylphenyl carbamate)-based chiral stationary phase in sub/supercritical fluid and normal phase liquid chromatography

Journal of Chromatography Open
The enantioselective potential of amylose tris (3‑chloro-5-methylphenylcarbamate) based chiral stationary phase in sub/supercritical fluid chromatography and normal phase liquid chromatography was evaluated.
Denisa Folprechtová, Patricia Maestro Martínez, Květa Kalíková   +2 more
doaj   +1 more source