Complex-precipitation using functionalized chiral ionic liquids with L-proline anion and chromatographic analysis for enantioseparation of racemic amino acids.
Sign Up to like & getrecommendations! Published in 2018 at "Chirality"
DOI: 10.1002/chir.23011
Abstract: As one kind of functionalized green medium, chiral ionic liquids (CILs) have been widely applied in fields of asymmetric catalysis, enantioseparation, and so on. In this study, four kinds of amino acid-based CILs were synthesized… read more here.
Keywords: resolution; enantioseparation; complex precipitation; chiral ionic ... See more keywords
Enantioseparation of chiral perfluorooctane sulfonate (PFOS) by supercritical fluid chromatography (SFC): Effects of the chromatographic conditions and separation mechanism.
Sign Up to like & getrecommendations! Published in 2019 at "Chirality"
DOI: 10.1002/chir.23120
Abstract: Perfluorooctane sulfonate (PFOS) is one of the most frequently detected perfluoroalkyl substances in environmental and human samples. Previous studies have shown that nonracemic PFOS in biological samples can be used as a marker of PFOS… read more here.
Keywords: enantioseparation; pfos; sfc; sulfonate pfos ... See more keywords
Enantiopure ethyl 2,3-dibromopropionate: Enantioselective synthesis vs preparative HPLC enantioseparation of racemate on multigram scale.
Sign Up to like & getrecommendations! Published in 2020 at "Chirality"
DOI: 10.1002/chir.23260
Abstract: Racemic ethyl 2,3-dibromopropionate, commercially available at low price, is a key intermediate used in the synthesis of several heterocycle fragments, which are present in many biologically active compounds. Surprisingly, the enantiomers are not commercially available… read more here.
Keywords: enantioseparation; ethyl dibromopropionate; racemate; multigram scale ... See more keywords
A new chiral stationary phase based on noscapine: Synthesis, enantioseparation, and docking study.
Sign Up to like & getrecommendations! Published in 2022 at "Chirality"
DOI: 10.1002/chir.23488
Abstract: Noscapine is an isolated compound from the opium poppy, with distinctive chiral structure and chemistry, interacts with other compounds due to having multiple π-acceptors, hydrogen bond acceptors, and ionic sites. Therefore, it has promising applicability… read more here.
Keywords: stationary phase; new chiral; phase based; phase ... See more keywords
Application of capillary electrophoresis technique for the enantioseparation of bioactive ferrocene‐based compounds versus DFT calculated data
Sign Up to like & getrecommendations! Published in 2020 at "ELECTROPHORESIS"
DOI: 10.1002/elps.202000154
Abstract: Herein, a series of bioactive ferrocene‐modified N‐heterocycles with alkyl linkers was prepared in good to quantitative yields starting from easy accessible ferrocene alcohols and heterocycles under acidic or neutral (for imidazole) conditions in racemic forms.… read more here.
Keywords: enantioseparation; capillary electrophoresis; ferrocene; application capillary ... See more keywords
Preparation of chitosan-based molecularly imprinted material for enantioseparation of racemic mandelic acid in aqueous medium by solid phase extraction.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of separation science"
DOI: 10.1002/jssc.201900825
Abstract: An S-mandelic acid (MA) imprinted chitosan resin (SMIC) was synthesized by cross-linking chitosan with glutaraldehyde in 2% acetic acid solution. SMIC was used to enantioselectively separate racemic MA in aqueous medium. When keeping the pH… read more here.
Keywords: enantioseparation; preparation chitosan; mandelic acid; molecularly imprinted ... See more keywords
Enantioseparation of Chiral Sulfoxides on Amylose-Based Columns: Comparison of Normal Phase Liquid Chromatography and Supercritical Fluid Chromatography
Sign Up to like & getrecommendations! Published in 2017 at "Chromatographia"
DOI: 10.1007/s10337-016-3234-6
Abstract: We present enantioseparation of a series of racemic sulfoxides on three different amylose-based polysaccharide columns. Two of them have the amylose units modified with dimethylphenyl carbamoyl groups (Chiralpak AD-H and Chiralpak IA), while the third… read more here.
Keywords: chromatography; enantioseparation; amylose based; supercritical fluid ... See more keywords
A Simple HPLC–UV Approach for Rapid Enantioseparation of Cathinones, Pyrovalerones and Other Novel Psychoactive Substances on a 2.5-µm Cellulose Tris-(3,5-dimethylphenyl-carbamate) Column
Sign Up to like & getrecommendations! Published in 2020 at "Chromatographia"
DOI: 10.1007/s10337-020-03860-9
Abstract: The misuse of so called novel psychoactive substances is still a challenging problem worldwide. A special attribute of a lot of these compounds is a chiral centre enabling two possible enantiomers probably related to different… read more here.
Keywords: enantioseparation; hplc; column; psychoactive substances ... See more keywords
Smart chiral magnetic nanoparticles for highly efficient enantioseparation of tryptophan enantiomers
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Science"
DOI: 10.1007/s10853-018-3072-z
Abstract: Herein, we report a simple and facile strategy to prepare one kind of smart chiral magnetic nanoparticles (Fe3O4@PDA@PNG-CD) with high enantioselectivity via combining mussel-inspired polydopamine (PDA) chemistry with surface-initiated atom transfer radical polymerization for effective… read more here.
Keywords: enantioseparation; chiral magnetic; pda; magnetic nanoparticles ... See more keywords
Ultra-performance supercritical fluid chromatography: A powerful tool for the enantioseparation of thermotropic fluorinated liquid crystals.
Sign Up to like & getrecommendations! Published in 2018 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2018.07.001
Abstract: A fast and simple supercritical fluid chromatography method for the enantioseparation of twenty newly synthesized orthoconic antiferroelectric liquid crystals is reported for the first time. The effects of alkoxy spacer length and fluorine atom presence… read more here.
Keywords: enantioseparation; fluid chromatography; liquid crystals; supercritical fluid ... See more keywords
Influence of surfactants on the properties of cellulose derivative-based hybrid materials as chiral stationary phases
Sign Up to like & getrecommendations! Published in 2021 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2021.110492
Abstract: Abstract Due to the regular backbone structure and high chiral recognition ability, polysaccharide derivatives have become most attractive polymer-based candidates for preparation of chiral stationary phases (CSPs) for efficient enantioseparation. However, the traditional polysaccharide-based CSPs… read more here.
Keywords: csps; influence; chiral stationary; hybrid bead ... See more keywords