1
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Weise C, Fischer J, Belder D. Mass spectrometry coupling of chip-based supercritical fluid chromatography enabled by make-up flow-assisted backpressure regulation. Anal Bioanal Chem 2024:10.1007/s00216-024-05381-y. [PMID: 38907770 DOI: 10.1007/s00216-024-05381-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/17/2024] [Accepted: 05/31/2024] [Indexed: 06/24/2024]
Abstract
This work introduces a novel microfluidic backpressure pressure control developed for chip-based supercritical fluid chromatography (chipSFC). The presented on-chip pressure control mechanism involves the post-column addition of a viscous make-up stream, which enables pressure regulation within the range of 73 to 130 bar range. In contrast to approaches using mechanical backpressure regulators, this chip-based make-up-assisted pressure regulation offers a wear-free alternative that functions entirely through fluidic means and contributes minimally to extra column volume. It prevents phase separation of the supercritical mobile phase and, therefore, expands the analytical scope of chipSFC to detection systems with an ambient pressure interface. This was demonstrated by a proof-of-principle experiment, where a model mixture was separated within 30 s and detected using atmospheric pressure ionisation mass spectrometry.
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Affiliation(s)
- Chris Weise
- Institute of Analytical Chemistry, University of Leipzig, Linnéstrasse 3, 04103, Leipzig, Germany
| | - Johannes Fischer
- Institute of Analytical Chemistry, University of Leipzig, Linnéstrasse 3, 04103, Leipzig, Germany
| | - Detlev Belder
- Institute of Analytical Chemistry, University of Leipzig, Linnéstrasse 3, 04103, Leipzig, Germany.
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2
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Kaya C, Birgül K, Bülbül B. Fundamentals of chirality, resolution, and enantiopure molecule synthesis methods. Chirality 2023; 35:4-28. [PMID: 36366874 DOI: 10.1002/chir.23512] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/23/2022] [Accepted: 10/11/2022] [Indexed: 11/13/2022]
Abstract
The chirality of molecules is a concept that explains the interactions in nature. We may observe the same formula but different organizations revolving around the chiral center. Since Pasteur's meticulous observation of sodium ammonium tartrate crystals' structure, scientists have discovered many features of chiral molecules. The number of newly approved single enantiomeric drugs increases every year and takes place in the market. Thus, separation or resolution methods of racemic mixtures are of continued importance in the efficacy of drugs, installation of affordable production processes, and convenient synthetic chemistry practice. This article presents the asymmetric synthesis approaches and the classification of direct resolution methods of chiral molecules.
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Affiliation(s)
- Cem Kaya
- Department of Pharmacy, Haydarpasa Numune Training and Research Hospital, İstanbul, Turkey.,Department of Pharmaceutical Chemistry, School of Pharmacy, Altınbaş University, İstanbul, Turkey
| | - Kaan Birgül
- Department of Pharmaceutical Chemistry, School of Pharmacy, Bahçeşehir University, İstanbul, Turkey
| | - Bahadır Bülbül
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Düzce University, Düzce, Turkey
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3
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Peluso P, Chankvetadze B. Recognition in the Domain of Molecular Chirality: From Noncovalent Interactions to Separation of Enantiomers. Chem Rev 2022; 122:13235-13400. [PMID: 35917234 DOI: 10.1021/acs.chemrev.1c00846] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
It is not a coincidence that both chirality and noncovalent interactions are ubiquitous in nature and synthetic molecular systems. Noncovalent interactivity between chiral molecules underlies enantioselective recognition as a fundamental phenomenon regulating life and human activities. Thus, noncovalent interactions represent the narrative thread of a fascinating story which goes across several disciplines of medical, chemical, physical, biological, and other natural sciences. This review has been conceived with the awareness that a modern attitude toward molecular chirality and its consequences needs to be founded on multidisciplinary approaches to disclose the molecular basis of essential enantioselective phenomena in the domain of chemical, physical, and life sciences. With the primary aim of discussing this topic in an integrated way, a comprehensive pool of rational and systematic multidisciplinary information is provided, which concerns the fundamentals of chirality, a description of noncovalent interactions, and their implications in enantioselective processes occurring in different contexts. A specific focus is devoted to enantioselection in chromatography and electromigration techniques because of their unique feature as "multistep" processes. A second motivation for writing this review is to make a clear statement about the state of the art, the tools we have at our disposal, and what is still missing to fully understand the mechanisms underlying enantioselective recognition.
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Affiliation(s)
- Paola Peluso
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, Li Punti, I-07100 Sassari, Italy
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Avenue 3, 0179 Tbilisi, Georgia
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4
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Peluso P, Mamane V. Stereoselective Processes Based on σ-Hole Interactions. Molecules 2022; 27:molecules27144625. [PMID: 35889497 PMCID: PMC9323542 DOI: 10.3390/molecules27144625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/13/2022] [Accepted: 07/15/2022] [Indexed: 02/01/2023] Open
Abstract
The σ-hole interaction represents a noncovalent interaction between atoms with σ-hole(s) on their surface (such as halogens and chalcogens) and negative sites. Over the last decade, significant developments have emerged in applications where the σ-hole interaction was demonstrated to play a key role in the control over chirality. The aim of this review is to give a comprehensive overview of the current advancements in the use of σ-hole interactions in stereoselective processes, such as formation of chiral supramolecular assemblies, separation of enantiomers, enantioselective complexation and asymmetric catalysis.
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Affiliation(s)
- Paola Peluso
- Istituto di Chimica Biomolecolare ICB, CNR, Sede Secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, Li Punti, 07100 Sassari, Italy
- Correspondence: (P.P.); (V.M.)
| | - Victor Mamane
- Institut de Chimie de Strasbourg, UMR CNRS 7177, Equipe LASYROC, 1 Rue Blaise Pascal, 67008 Strasbourg, France
- Correspondence: (P.P.); (V.M.)
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5
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Advanced Development of Supercritical Fluid Chromatography in Herbal Medicine Analysis. Molecules 2022; 27:molecules27134159. [PMID: 35807405 PMCID: PMC9268462 DOI: 10.3390/molecules27134159] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 06/25/2022] [Accepted: 06/25/2022] [Indexed: 11/19/2022] Open
Abstract
The greatest challenge in the analysis of herbal components lies in their variety and complexity. Therefore, efficient analytical tools for the separation and qualitative and quantitative analysis of multi-components are essential. In recent years, various emerging analytical techniques have offered significant support for complicated component analysis, with breakthroughs in selectivity, sensitivity, and rapid analysis. Among these techniques, supercritical fluid chromatography (SFC) has attracted much attention because of its high column efficiency and environmental protection. SFC can be used to analyze a wide range of compounds, including non-polar and polar compounds, making it a prominent analytical platform. The applicability of SFC for the separation and determination of natural products in herbal medicines is overviewed in this article. The range of applications was expanded through the selection and optimization of stationary phases and mobile phases. We also focus on the two-dimensional SFC analysis. This paper provides new insight into SFC method development for herbal medicine analysis.
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6
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Konjaria ML, Kakava R, Volonterio A, Chankvetadze B, Scriba GK. Enantioseparation of chiral (benzylsulfinyl)benzamide sulfoxides by capillary electrophoresis using cyclodextrins as chiral selectors. J Chromatogr A 2022; 1672:463027. [DOI: 10.1016/j.chroma.2022.463027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 11/16/2022]
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7
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Bonin L, Morvan A, Coadou G, Furman C, Boulanger E, Ghinet A, Lipka E. Supercritical fluid chromatography for separation of chiral planar metallocenes. J Chromatogr A 2022; 1674:463115. [PMID: 35597198 DOI: 10.1016/j.chroma.2022.463115] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 11/29/2022]
Abstract
Unsymmetrically disubstituted metallocene derivatives, characterized as the first sandwich structure, have found interest in asymmetrical synthesis and in medicinal chemistry as well. Besides, they present a particular case of chirality. Twenty original and six commercially available molecules presenting either i) a planar chirality or ii) an asymmetrical carbon containing group or iii) being symmetrically substituted were analyzed in supercritical fluid chromatography on eleven polysaccharide-based chiral stationary phases with carbon dioxide containing 30% of methanol or 2-propanol as a co-solvent mobile phase. A basic additive, either diethylamine, triethylamine or n-butylamine was also required at 1% to the co-solvent for elution. While some of the tested chiral stationary phases provided enantioseparation for the racemates, chlorinated cellulosic phases proved to be both highly retentive and highly enantioselective towards these particular species with the highest rate of success compared to their non-chlorinated counterparts. For instance, the resolution value was equal to 14.1 for one ferrocene derivative in one-hour analysis time on cellulose tris(3,5-dichlorophenylcarbamate) column with 30% 2-propanol/1% n-butylamine while a single peak was observed under the same conditions on cellulose tris(3,5-dimethylphenylcarbamate) column. Experimental parameters were arbitrarily set at 150 bar outlet pressure, 40 °C temperature and 3 mL/min flow-rate.
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Affiliation(s)
- Lisa Bonin
- Univ. Lille, Inserm, Institut Pasteur de Lille, U1167 - Risk factors and molecular determinants of aging-related diseases, F-59000 Lille, France; JUNIA, Health & Environment, Laboratory of Sustainable Chemistry and Health, F-59000 Lille, France; Normandie Université, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), F-76000 Rouen, France
| | - Antoine Morvan
- Univ. Lille, Inserm, Institut Pasteur de Lille, U1167 - Risk factors and molecular determinants of aging-related diseases, F-59000 Lille, France
| | - Gael Coadou
- Normandie Université, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), F-76000 Rouen, France
| | - Christophe Furman
- Univ. Lille, Inserm, Institut Pasteur de Lille, U1167 - Risk factors and molecular determinants of aging-related diseases, F-59000 Lille, France
| | - Eric Boulanger
- Univ. Lille, Inserm, Institut Pasteur de Lille, U1167 - Risk factors and molecular determinants of aging-related diseases, F-59000 Lille, France
| | - Alina Ghinet
- Univ. Lille, Inserm, Institut Pasteur de Lille, U1167 - Risk factors and molecular determinants of aging-related diseases, F-59000 Lille, France; JUNIA, Health & Environment, Laboratory of Sustainable Chemistry and Health, F-59000 Lille, France; Alexandru Ioan Cuza' University of Iasi, Faculty of Chemistry, Bd. Carol I nr. 11, 700506 Iasi, Romania
| | - Emmanuelle Lipka
- Univ. Lille, Inserm, Institut Pasteur de Lille, U1167 - Risk factors and molecular determinants of aging-related diseases, F-59000 Lille, France.
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8
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Roskam G, van de Velde B, Gargano A, Kohler I. Supercritical Fluid Chromatography for Chiral Analysis, Part 2: Applications. LCGC EUROPE 2022. [DOI: 10.56530/lcgc.eu.fn8374q5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
In the second part of this review article, the recent progress in supercritical fluid chromatography (SFC) for enantiomeric separations is evaluated. With the substantial developments carried out over the past years in instrumentation, columns, and detector hyphenation, the interest in chiral SFC has been steadily growing in various fields. In combination with novel developments in chiral stationary phase chemistries, the enantioselective analysis range has been significantly extended. Several applications reported on the enantioselective separation of drugs and pharmaceutical compounds using chiral SFC are discussed, including pharmaceutical applications, clinical research, forensic toxicology, and environmental sciences.
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9
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Qiu X, Liu Y, Zhao T, Zuo L, Ma X, Shan G. Separation of chiral and achiral impurities in paroxetine hydrochloride in a single run using supercritical fluid chromatography with a polysaccharide stationary phase. J Pharm Biomed Anal 2022; 208:114458. [PMID: 34768158 DOI: 10.1016/j.jpba.2021.114458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/29/2021] [Accepted: 10/30/2021] [Indexed: 11/18/2022]
Abstract
Separating paroxetine hydrochloride and its impurities using conventional reversed-phase liquid chromatography (RPLC) is challenging due to their highly similar structures. In the present study, a rapid, simple, sensitive and environmentally friendly method was developed for the determination of chiral and achiral impurities in raw materials of paroxetine hydrochloride using chiral supercritical fluid chromatography (SFC). The impacts of chiral stationary phases (CSPs), mobile phases, column temperature and back pressure on the retention and separation of analytes were comprehensively evaluated. After method optimization, a satisfying result was obtained on a cellulose tris-(3-chloro-4-methylphenylcarbamate) stationary phase in 4.0 min using 70% CO2 and 20 mM ammonium acetate in 30% methanol as the mobile phase. Molecular docking was further performed to understand the interactions between the analytes and CSP. The results suggested that hydrogen bonding and π-π interactions were the dominant interactions. The affinity given by the software was in good agreement with the elution order and free energy (△G) values obtained from van't Hoff equations. The results of molecular docking also provide insights into the different retentions of N-methylparoxetine at different temperatures. The results of method validation revealed that the method was sensitive with a limit of detection of approximately 0.05 μg·mL-1 (corresponding to approximately 0.005% paroxetine hydrochloride in the sample solution). The relative standard deviations (RSDs) of precision and intra-assay precision were all less than 2.0%, and the recoveries of the method were 93.8~105.3% with RSDs less than 3.0%. The chiral and achiral RPLC methods included in the Chinese pharmacopoeia and the SFC method proposed in this study were simultaneously used to determine the impurity content in the raw materials of paroxetine hydrochloride. The results showed that impurities that cannot be detected by the reference method can be accurately quantified using the SFC method. In addition, the SFC method has advantages in terms of throughput, analysis cost and simplicity. This study can provide a reference for further research of impurities in paroxetine hydrochloride and promote the application of chiral SFC in the rapid separation of structurally similar compounds.
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Affiliation(s)
- Xiaodan Qiu
- Institute of Medicinal Biotechnology, Peking Union Medical College & Chinese Academy of Medical Sciences, No.1, Tian Tan Xi Li, 100050 Beijing, PR China
| | - Yitong Liu
- Institute of Medicinal Biotechnology, Peking Union Medical College & Chinese Academy of Medical Sciences, No.1, Tian Tan Xi Li, 100050 Beijing, PR China
| | - Ting Zhao
- Institute of Medicinal Biotechnology, Peking Union Medical College & Chinese Academy of Medical Sciences, No.1, Tian Tan Xi Li, 100050 Beijing, PR China
| | - Limin Zuo
- Institute of Medicinal Biotechnology, Peking Union Medical College & Chinese Academy of Medical Sciences, No.1, Tian Tan Xi Li, 100050 Beijing, PR China
| | - Xun Ma
- China National Institutes for Food and Drug Control, No. 2, Tian Tan Xi Li, 100050 Beijing, PR China.
| | - Guangzhi Shan
- Institute of Medicinal Biotechnology, Peking Union Medical College & Chinese Academy of Medical Sciences, No.1, Tian Tan Xi Li, 100050 Beijing, PR China.
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10
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Rosetti A, Preda G, Villani C, Pierini M, Pasini D, Cirilli R. Triptycene derivatives as chiral probes for studying the molecular enantiorecognition on sub-2-μm particle cellulose tris(3,5-dimethylphenylcarbamate) chiral stationary phase. Chirality 2021; 33:883-890. [PMID: 34571576 DOI: 10.1002/chir.23358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/04/2021] [Accepted: 08/26/2021] [Indexed: 11/09/2022]
Abstract
Two chiral triptycene derivatives were analyzed on the Chiralpak IB-U column packed with cellulose tris(3,5-dimethylphenylcarbamate)-based sub-2-μm diameter particles. Under normal-phase conditions, sub-minute baseline enantioseparations were obtained. Differences in structural elements and chromatographic behavior of the investigated compounds were evaluated to identify the interactions that drive the chiral discrimination process. From the evaluation of the experimental chromatographic data, it was found that hydrogen bond formation is essential for the separation of enantiomers.
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Affiliation(s)
- Alessia Rosetti
- Department of Chemistry and Drug Technology, Sapienza University of Rome, Rome, Italy
| | - Giovanni Preda
- Department of Chemistry and INSTM Research Unit, University of Pavia, Pavia, Italy
| | - Claudio Villani
- Department of Chemistry and Drug Technology, Sapienza University of Rome, Rome, Italy
| | - Marco Pierini
- Department of Chemistry and Drug Technology, Sapienza University of Rome, Rome, Italy
| | - Dario Pasini
- Department of Chemistry and INSTM Research Unit, University of Pavia, Pavia, Italy
| | - Roberto Cirilli
- National Center for the Control and Evaluation of Drugs, Istituto Superiore di Sanità, Rome, Italy
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11
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Craven GB, Briggs EL, Zammit CM, McDermott A, Greed S, Affron DP, Leinfellner C, Cudmore HR, Tweedy RR, Luisi R, Bull JA, Armstrong A. Synthesis and Configurational Assignment of Vinyl Sulfoximines and Sulfonimidamides. J Org Chem 2021; 86:7403-7424. [PMID: 34003635 DOI: 10.1021/acs.joc.1c00373] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Vinyl sulfones and sulfonamides are valued for their use as electrophilic warheads in covalent protein inhibitors. Conversely, the S(VI) aza-isosteres thereof, vinyl sulfoximines and sulfonimidamides, are far less studied and have yet to be applied to the field of protein bioconjugation. Herein, we report a range of different synthetic methodologies for constructing vinyl sulfoximine and vinyl sulfonimidamide architectures that allows access to new areas of electrophilic chemical space. We demonstrate how late-stage functionalization can be applied to these motifs to incorporate alkyne tags, generating fully functionalized probes for future chemical biology applications. Finally, we establish a workflow for determining the absolute configuration of enantioenriched vinyl sulfoximines and sulfonimidamides by comparing experimentally and computationally determined electronic circular dichroism spectra, enabling access to configurationally assigned enantiomeric pairs by separation.
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Affiliation(s)
- Gregory B Craven
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K.,The Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, U.K
| | - Edward L Briggs
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Charlotte M Zammit
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Alexander McDermott
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Stephanie Greed
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Dominic P Affron
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Charlotte Leinfellner
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Hannah R Cudmore
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Ruth R Tweedy
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Renzo Luisi
- Department of Pharmacy-Drug Sciences, University of Bari, "A. Moro" Via E. Orabona 4, Bari 70125, Italy
| | - James A Bull
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
| | - Alan Armstrong
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, White City Campus, 80 Wood Lane, London W12 0BZ, U.K
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12
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Zhao Y, Zhu X, Jiang W, Liu H, Sun B. Chiral Recognition for Chromatography and Membrane-Based Separations: Recent Developments and Future Prospects. Molecules 2021; 26:1145. [PMID: 33669919 PMCID: PMC7924630 DOI: 10.3390/molecules26041145] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/26/2021] [Accepted: 01/28/2021] [Indexed: 12/15/2022] Open
Abstract
With the rapid development of global industry and increasingly frequent product circulation, the separation and detection of chiral drugs/pesticides are becoming increasingly important. The chiral nature of substances can result in harm to the human body, and the selective endocrine-disrupting effect of drug enantiomers is caused by differential enantiospecific binding to receptors. This review is devoted to the specific recognition and resolution of chiral molecules by chromatography and membrane-based enantioseparation techniques. Chromatographic enantiomer separations with chiral stationary phase (CSP)-based columns and membrane-based enantiomer filtration are detailed. In addition, the unique properties of these chiral resolution methods have been summarized for practical applications in the chemistry, environment, biology, medicine, and food industries. We further discussed the recognition mechanism in analytical enantioseparations and analyzed recent developments and future prospects of chromatographic and membrane-based enantioseparations.
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Affiliation(s)
| | | | | | - Huilin Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, 11 Fucheng Road, Beijing 100048, China; (Y.Z.); (X.Z.); (W.J.); (B.S.)
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13
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The molecular bases of chiral recognition in 2-(benzylsulfinyl)benzamide enantioseparation. Anal Chim Acta 2021; 1141:194-205. [DOI: 10.1016/j.aca.2020.10.050] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/19/2020] [Accepted: 10/23/2020] [Indexed: 12/13/2022]
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14
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Felletti S, De Luca C, Lievore G, Chenet T, Chankvetadze B, Farkas T, Cavazzini A, Catani M. Shedding light on mechanisms leading to convex-upward van Deemter curves on a cellulose tris(4-chloro-3-methylphenylcarbamate)-based chiral stationary phase. J Chromatogr A 2020; 1630:461532. [PMID: 32950816 DOI: 10.1016/j.chroma.2020.461532] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/04/2020] [Accepted: 09/07/2020] [Indexed: 11/16/2022]
Abstract
An unusual convex-upward van Deemter curve was observed for the more retained enantiomer of a chiral sulfoxide (2-(benzylsulfinyl)benzamide) on a cellulose tris(4-chloro-3-methylphenylcarbamate)-based chiral stationary phase (CSP), prepared on silica particles of 1000 Å pore size. In contrast, the firstly eluted enantiomer of the same molecule exhibited the traditional convex-downward van Deemter curve. A detailed kinetic and thermodynamic investigation has revealed that this unusual phenomenon, which however has already been observed in chiral chromatography, originates when the adsorption of the compound is very strong and the solid-phase diffusion negligible. Experimentally, the intraparticle diffusion of the more retained enantiomer of the sulfoxide was found to be one order of magnitude smaller than that of the first eluted one. Overall, this translates into very little longitudinal diffusion (b-term of van Deemter curve) accompanied by high solid-liquid mass transfer resistance (c-term). Finally the comparison with another, differently-substituted chiral sulfoxide (whose enantiomers both exhibit traditional van Deemter curve behavior) has allowed to correlate these findings to the specific characteristics of the molecule.
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Affiliation(s)
- Simona Felletti
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy
| | - Chiara De Luca
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy
| | - Giulio Lievore
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy
| | - Tatiana Chenet
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Ave 3, 0179 Tbilisi, Georgia
| | - Tivadar Farkas
- Phenomenex Inc., 411 Madrid Ave., Torrance, CA 90501, United States
| | - Alberto Cavazzini
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy.
| | - Martina Catani
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy.
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15
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Noncovalent interactions in high-performance liquid chromatography enantioseparations on polysaccharide-based chiral selectors. J Chromatogr A 2020; 1623:461202. [DOI: 10.1016/j.chroma.2020.461202] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/02/2020] [Accepted: 05/04/2020] [Indexed: 12/13/2022]
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16
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Yousefi M, Rahimi-Nasrabadi M, Mirsadeghi S, Pourmortazavi SM. Supercritical Fluid Extraction of Pesticides and Insecticides from Food Samples and Plant Materials. Crit Rev Anal Chem 2020; 51:482-501. [PMID: 32295402 DOI: 10.1080/10408347.2020.1743965] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The principal intention of this study is presenting the attempts carried out for extracting, separating, and determining of the pesticide and insecticide residues existing in food and plant samples. In this regard, a set of content, including the explanations about the supercritical fluid extraction (SFE), supercritical fluid chromatography, and various types of pesticides are indicated. Besides, the parameters affecting the pesticides extraction composed of temperature, pressure, modifier, drying agent, and so on are discussed. Also, examples of insecticides extraction by SFE technique as an important subset of pesticides are indicated. Along with these items, some interesting works, concerning the innovations implemented in the field of SFE of pesticide and insecticide residues from foodstuff and plants are depicted.
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Affiliation(s)
- Mohammad Yousefi
- Department of Food Science and Technology, Faculty of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Rahimi-Nasrabadi
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.,Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Somayeh Mirsadeghi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 1411713137, Tehran, Iran
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17
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Chankvetadze B. Recent trends in preparation, investigation and application of polysaccharide-based chiral stationary phases for separation of enantiomers in high-performance liquid chromatography. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115709] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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18
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Shedania Z, Kakava R, Volonterio A, Farkas T, Chankvetadze B. Separation of enantiomers of chiral sulfoxides in high-performance liquid chromatography with cellulose-based chiral selectors using acetonitrile and acetonitrile-water mixtures as mobile phases. J Chromatogr A 2020; 1609:460445. [DOI: 10.1016/j.chroma.2019.460445] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 08/03/2019] [Accepted: 08/08/2019] [Indexed: 10/26/2022]
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19
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Peluso P, Mamane V, Dessì A, Dallocchio R, Aubert E, Gatti C, Mangelings D, Cossu S. Halogen bond in separation science: A critical analysis across experimental and theoretical results. J Chromatogr A 2019; 1616:460788. [PMID: 31866134 DOI: 10.1016/j.chroma.2019.460788] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 12/09/2019] [Accepted: 12/11/2019] [Indexed: 01/10/2023]
Abstract
The halogen bond (XB) is a noncovalent interaction involving a halogen acting as electrophile and a Lewis base. In the last decades XB has found practical application in several fields. Nevertheless, despite the pivotal role of noncovalent interactions in separation science, investigations of XB in this field are still in their infancy, and so far a limited number of studies focusing on solid phase extraction, liquid-liquid microextraction, liquid-phase chromatography, and gas chromatography separation have been published. In addition, in the last few years, our groups have been systematically studying the potentiality of XB for HPLC enantioseparations. On this basis, in the present paper up-to-date results emerging from focused experiments and theoretical analyses performed by our laboratories are integrated with a descriptive presentation of XB features and the few studies published until now in separation science. Then, the aim of this article is to provide a comprehensive and critical discussion of the topic, and account for some still open issues in the application of XB to separate chemical mixtures.
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Affiliation(s)
- Paola Peluso
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, Li Punti, Sassari I-07100, Italy.
| | - Victor Mamane
- Institut de Chimie de Strasbourg, UMR CNRS 7177, Equipe LASYROC, 1 rue Blaise Pascal, Strasbourg Cedex 67008, France.
| | - Alessandro Dessì
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, Li Punti, Sassari I-07100, Italy
| | - Roberto Dallocchio
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, Li Punti, Sassari I-07100, Italy
| | - Emmanuel Aubert
- Cristallographie, Résonance Magnétique et Modélisations (CRM2), UMR CNRS 7036, Université de Lorraine, Bd des Aiguillettes, Vandoeuvre-les-Nancy 54506, France
| | - Carlo Gatti
- CNR-SCITEC, Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", sezione di via Golgi, via C. Golgi 19, Milano 20133, Italy
| | - Debby Mangelings
- Department of Analytical Chemistry, Applied Chemometrics and Molecular Modelling, Vrije Universiteit Brussel - VUB, Laarbeeklaan 103, B-1090 Brussels, Belgium
| | - Sergio Cossu
- Dipartimento di Scienze Molecolari e Nanosistemi DSMN, Università Ca' Foscari Venezia, Via Torino 155, Mestre Venezia I-30172, Italy
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20
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Wu D, Pan F, Tan W, Gao L, Tao Y, Kong Y. Recent progress of enantioseparation under scale production (2014–2019). J Sep Sci 2019; 43:337-347. [DOI: 10.1002/jssc.201900682] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 10/11/2019] [Accepted: 10/28/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Datong Wu
- Jiangsu Key Laboratory of Advanced Materials and TechnologySchool of Petrochemical EngineeringChangzhou University Changzhou P. R. China
| | - Fei Pan
- Jiangsu Key Laboratory of Advanced Materials and TechnologySchool of Petrochemical EngineeringChangzhou University Changzhou P. R. China
| | - Wensheng Tan
- Changzhou Key Laboratory of Large Plastic Parts Intelligence ManufacturingChangzhou College of Information Technology Changzhou P. R. China
| | - Li Gao
- Jiangsu Key Laboratory of Advanced Materials and TechnologySchool of Petrochemical EngineeringChangzhou University Changzhou P. R. China
| | - Yongxin Tao
- Jiangsu Key Laboratory of Advanced Materials and TechnologySchool of Petrochemical EngineeringChangzhou University Changzhou P. R. China
| | - Yong Kong
- Jiangsu Key Laboratory of Advanced Materials and TechnologySchool of Petrochemical EngineeringChangzhou University Changzhou P. R. China
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21
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Comparative study on enantiomer resolving ability of amylose tris(3-chloro-5-methylphenylcarbamate) covalently immobilized onto silica in nano-liquid chromatography and capillary electrochromatography. J Chromatogr A 2019; 1606:460425. [PMID: 31471135 DOI: 10.1016/j.chroma.2019.460425] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 08/02/2019] [Accepted: 08/03/2019] [Indexed: 12/14/2022]
Abstract
In the present study separation of enantiomers of some chiral neutral and weakly acidic analytes was investigated on the chiral stationary phase (CSP) made by covalent immobilization of amylose tris(3-chloro-5-methylphenylcarbamate) onto silica in nano-liquid chromatography (nano-LC) and capillary electrochromatography (CEC) in acetonitrile and aqueous acetonitrile. Few comparisons were made also between the enantioseparations in nano-LC and high-performance liquid chromatography (HPLC) with the chiral column of 4.6 × 250 mm dimension. Slightly better separation of enantiomers was observed in HPLC mode compared to nano-LC mode. It was shown that in the capillary columns packed with the CSP containing about 20% (w/w) of a covalently immobilized neutral chiral selector, amylose tris(3-chloro-5-methylphenylcarbamate), sufficient electroosmotic flow has been generated and enantioseparations with reasonable analysis time were performed also in CEC mode. It was shown once again that CEC offers a clear advantage over nano-LC from the viewpoint of plate numbers and peak resolution.
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22
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Hofstetter RK, Potlitz F, Schulig L, Kim S, Hasan M, Link A. Subcritical Fluid Chromatography at Sub-Ambient Temperatures for the Chiral Resolution of Ketamine Metabolites with Rapid-Onset Antidepressant Effects. Molecules 2019; 24:E1927. [PMID: 31109124 PMCID: PMC6572699 DOI: 10.3390/molecules24101927] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 05/13/2019] [Accepted: 05/17/2019] [Indexed: 12/29/2022] Open
Abstract
Chiral metabolites of ketamine exerting rapid-onset yet sustained antidepressant effects may be marketed directly in the future, but require chemo- and enantio-selective chromatographic methods for quality assurance and control. The chromatographic behavior of S-/R-ketamine, S-/R-norketamine, S-/R-dehydronorketamine, and (2R,6R)-/(2S,6S)-hydroxynorketamine in supercritical fluid chromatography (SFC) was investigated computationally and experimentally with the aim of identifying problematic pairs of enantiomers and parameters for chiral resolution. Retention on three different polysaccharide-based chiral stationary phases (Lux Amylose-2, i-Amylose-3, and i-Cellulose-5) provided new information on the significance of halogen atoms as halogen bond donors and hydrogen bond acceptors for enantioselectivity, which could be corroborated in silico by molecular docking studies. Modifiers inversely affected enantioselectivity and retention. Methanol yielded lower run times but superior chiral resolution compared to 2-propanol. Lower temperatures than those conventionally screened did not impair phase homogeneity but improved enantioresolution, at no cost to reproducibility. Thus, sub-ambient temperature subcritical fluid chromatography (SubFC), essentially low-temperature HPLC with subcritical CO2, was applied. The optimization of the SubFC method facilitated the chiral separation of ketamine and its metabolites, which was applied in combination with direct injection and online supercritical fluid extraction to determine the purity of pharmaceutical ketamine formulations for proof of concept.
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Affiliation(s)
- Robert K Hofstetter
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Friedrich-Ludwig-Jahn-Str. 17, 17489 Greifswald, Germany.
| | - Felix Potlitz
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Friedrich-Ludwig-Jahn-Str. 17, 17489 Greifswald, Germany.
| | - Lukas Schulig
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Friedrich-Ludwig-Jahn-Str. 17, 17489 Greifswald, Germany.
| | - Simon Kim
- Department of Trauma, Reconstructive Surgery and Rehabilitation Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475 Greifswald, Germany.
- Leibniz Institute for Plasma Science and Technology (INP Greifswald), Felix-Hausdorff-Straße 2, 17489 Greifswald, Germany.
| | - Mahmoud Hasan
- Department of Clinical Pharmacology, Center of Drug Absorption and Transport (C_DAT), University Medicine Greifswald, 17475 Greifswald, Germany.
| | - Andreas Link
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Friedrich-Ludwig-Jahn-Str. 17, 17489 Greifswald, Germany.
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23
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Chromatographic and thermodynamic comparison of amylose tris(3-chloro-5-methylphenylcarbamate) coated or covalently immobilized on silica in high-performance liquid chromatographic separation of the enantiomers of select chiral weak acids. J Chromatogr A 2019; 1602:228-236. [PMID: 31126590 DOI: 10.1016/j.chroma.2019.05.026] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/10/2019] [Accepted: 05/13/2019] [Indexed: 11/21/2022]
Abstract
The separation of enantiomers of some chiral weak acids was studied in HPLC with chiral HPLC columns prepared by coating or covalent immobilization of the same chiral selector, namely amylose tris(3-chloro-5-methylphenylcarbamate) onto silica. After screening some representatives of arylpropionic acid derivatives, coumarins and barbiturates in hydrocarbon-alcohol type mobile phases, we studied the temperature dependence of separation parameters for ketoprofen and naproxen. Instances of reversal of the enantiomer elution order were observed function of column temperature, nature of polar modifier and its content in the mobile phase, as well as between the coated and covalently immobilized versions of the columns made with more-or-less the same chiral selector. Thermodynamic parameters such as Gibb's free energy, the standard molar entropy and the standard molar enthalpy of analyte transfer from the mobile to the stationary phase were calculated in some cases in order to explain the differences observed in the enantiomer separation ability and pattern of coated and covalently immobilized columns.
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24
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Dascalu AE, Ghinet A, Billamboz M, Lipka E. Performance comparison of chlorinated chiral stationary phases in supercritical fluid chromatography for separation of selected pyrrolidone derivatives. J Pharm Anal 2019; 9:248-253. [PMID: 31452962 PMCID: PMC6702407 DOI: 10.1016/j.jpha.2019.03.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 01/23/2019] [Accepted: 03/04/2019] [Indexed: 11/12/2022] Open
Abstract
The effects of two chlorinated chiral stationary phases, namely, Lux Cellulose-2 and Lux i-Cellulose-5, flow-rate, percentage of co-solvent and chemical structures of the compounds on retention and resolution were studied within this article. In this work a backpressure of 150 bar, a temperature of 40 °C and 10% of methanol as co-solvent were chosen as operating conditions. The optimum flow-rate was 2 mL/min. The percentage of co-solvent was studied between 7.5% and 15%. We have observed that 15% of methanol gave the best results for most of the compounds. For all the derivatives, the Lux Cellulose-2 provided better resolutions going from 1.50 to 3.59 compared with Lux i-Cellulose-5.
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Affiliation(s)
- Anca-Elena Dascalu
- Univ. Lille, Inserm, U995 - LIRIC - Lille Inflammation Research International Center, F-59000 Lille, France.,Ecole des Hautes Etudes d'Ingénieur (HEI), Laboratoire de Pharmacochimie, 13 rue de Toul, F-59046 Lille, France.,UFR Pharmacie, Laboratoire de Chimie Analytique, BP 83, F-59006 Lille, France.,'Alexandru Ioan Cuza' University of Iasi, Faculty of Chemistry, Bd. Carol I nr. 11, 700506 Iasi, Romania
| | - Alina Ghinet
- Univ. Lille, Inserm, U995 - LIRIC - Lille Inflammation Research International Center, F-59000 Lille, France.,Ecole des Hautes Etudes d'Ingénieur (HEI), Laboratoire de Pharmacochimie, 13 rue de Toul, F-59046 Lille, France.,'Alexandru Ioan Cuza' University of Iasi, Faculty of Chemistry, Bd. Carol I nr. 11, 700506 Iasi, Romania
| | - Muriel Billamboz
- Univ. Lille, Inserm, U995 - LIRIC - Lille Inflammation Research International Center, F-59000 Lille, France.,Ecole des Hautes Etudes d'Ingénieur (HEI), Laboratoire de Pharmacochimie, 13 rue de Toul, F-59046 Lille, France
| | - Emmanuelle Lipka
- Univ. Lille, Inserm, U995 - LIRIC - Lille Inflammation Research International Center, F-59000 Lille, France.,UFR Pharmacie, Laboratoire de Chimie Analytique, BP 83, F-59006 Lille, France
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25
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Lipka E, Dascalu AE, Messara Y, Tsutsqiridze E, Farkas T, Chankvetadze B. Separation of enantiomers of native amino acids with polysaccharide-based chiral columns in supercritical fluid chromatography. J Chromatogr A 2019; 1585:207-212. [DOI: 10.1016/j.chroma.2018.11.049] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 11/14/2018] [Accepted: 11/20/2018] [Indexed: 11/15/2022]
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26
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Xiong F, Yang BB, Zhang J, Li L. Enantioseparation, Stereochemical Assignment and Chiral Recognition Mechanism of Sulfoxide-Containing Drugs. Molecules 2018; 23:molecules23102680. [PMID: 30340337 PMCID: PMC6222453 DOI: 10.3390/molecules23102680] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 10/04/2018] [Accepted: 10/15/2018] [Indexed: 01/11/2023] Open
Abstract
The distinct pharmacodynamic and pharmacokinetic properties of enantiopure sulfoxide drugs have stimulated us to systematically investigate their chiral separation, stereochemical assignment, and chiral recognition mechanism. Herein, four clinically widely-used sulfoxide drugs were chosen and optically resolved on various chiral stationary phases (CSPs). Theoretical simulations including electronic circular dichroism (ECD) calculation and molecular docking were adopted to assign the stereochemistry and reveal the underlying chiral recognition mechanism. Our results showed that the sequence of calculated mean binding energies between each pair of enantiomers and CSP matched exactly with experimentally observed enantiomeric elution order (EEO). It was also found that the length of hydrogen bond might contribute dominantly the interaction between two enantiomers and CSP. We hope our study could provide a fresh perspective to explore the stereochemistry and chiral recognition mechanism of chiral drugs.
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Affiliation(s)
- Fei Xiong
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
| | - Bei-Bei Yang
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
| | - Jie Zhang
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
| | - Li Li
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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27
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Zeng Q, Wen Q, Xiang Y, Zhang L. Chromatographic enantioseparation of chiral sulfinamide derivatives on polysaccharide-based chiral stationary phases. J Chromatogr A 2018; 1571:240-244. [DOI: 10.1016/j.chroma.2018.08.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 07/30/2018] [Accepted: 08/03/2018] [Indexed: 10/28/2022]
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28
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Recent Achievements and Future Challenges in Supercritical Fluid Chromatography for the Enantioselective Separation of Chiral Pharmaceuticals. Chromatographia 2018. [DOI: 10.1007/s10337-018-3606-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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29
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Hysteresis of retention and enantioselectivity on amylose tris(3,5-dimethylphenylcarbamate) chiral stationary phases in mixtures of 2-propanol and methanol. J Chromatogr A 2018; 1568:149-159. [DOI: 10.1016/j.chroma.2018.07.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 07/03/2018] [Accepted: 07/06/2018] [Indexed: 11/22/2022]
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30
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Bezhitashvili L, Bardavelidze A, Mskhiladze A, Gumustas M, Ozkan SA, Volonterio A, Farkas T, Chankvetadze B. Application of cellulose 3,5-dichlorophenylcarbamate covalently immobilized on superficially porous silica for the separation of enantiomers in high-performance liquid chromatography. J Chromatogr A 2018; 1571:132-139. [PMID: 30098733 DOI: 10.1016/j.chroma.2018.08.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/27/2018] [Accepted: 08/03/2018] [Indexed: 02/01/2023]
Abstract
Our earlier studies have demonstrated the applicability of polysaccharide-based chiral selectors in combination with superficially porous (or core-shell) silica (SPS) particles for the preparation of highly efficient chiral stationary phases (CSP). In earlier studies, CSPs were prepared by coating (adsorption) of the chiral selector onto the surface of silica. In this study we report for the first time the CSP obtained by covalent immobilization of a chiral selector onto the surface of SPS particles. The applicability of this CSP for the separation of enantiomers in pure methanol and acetonitrile, as well as in n-hexane/2-propanol mobile phases is shown. The effect of the injected sample amount, mobile phase flow rate and detection frequency on separation performance were studied, as well as high efficiency separation of enantiomers with the analysis time less than 30 s was attempted.
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Affiliation(s)
- Lia Bezhitashvili
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Ave 3, 0179 Tbilisi, Georgia
| | - Anna Bardavelidze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Ave 3, 0179 Tbilisi, Georgia
| | - Antonina Mskhiladze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Ave 3, 0179 Tbilisi, Georgia; Faculty of Natural Sciences and Healthcare, Sokhumi State University, Polytkovskaya 9, 0186 Tbilisi, Georgia
| | - Mehmet Gumustas
- Ankara University, Institute of Forensic Sciences, Department of Forensic Toxicology, Ankara, Turkey; Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Anadolu Ave, 06100 Ankara, Turkey
| | - Sibel A Ozkan
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Anadolu Ave, 06100 Ankara, Turkey
| | - Alessandro Volonterio
- Department of Chemistry, Materials and Chemical Engineering "G. Natta" Politecnico di Milano, Via Mancinelli 7-20131, Milano, Italy; C.N.R. Istituto di Chimica del Riconoscimento Molecolare (ICRM), Via Mancinelli 7, 20131 Milano, Italy
| | - Tivadar Farkas
- Phenomenex Inc., 411 Madrid Ave., Torrance, 90501 CA, USA
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Ave 3, 0179 Tbilisi, Georgia.
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31
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Current trends in supercritical fluid chromatography. Anal Bioanal Chem 2018; 410:6441-6457. [DOI: 10.1007/s00216-018-1267-4] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 06/18/2018] [Accepted: 07/12/2018] [Indexed: 12/16/2022]
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32
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Separation of enantiomers of chiral sulfoxides in high-performance liquid chromatography with cellulose-based chiral selectors using methanol and methanol-water mixtures as mobile phases. J Chromatogr A 2018; 1557:62-74. [DOI: 10.1016/j.chroma.2018.05.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 05/01/2018] [Accepted: 05/02/2018] [Indexed: 11/23/2022]
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33
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Dallocchio R, Dessì A, Solinas M, Arras A, Cossu S, Aubert E, Mamane V, Peluso P. Halogen bond in high-performance liquid chromatography enantioseparations: Description, features and modelling. J Chromatogr A 2018; 1563:71-81. [PMID: 29871805 DOI: 10.1016/j.chroma.2018.05.061] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 05/24/2018] [Accepted: 05/27/2018] [Indexed: 02/08/2023]
Abstract
Halogen bond (XB)-driven enantioseparations involve halogen-centred regions of electronic charge depletion (σ-hole) as electrophilic recognition sites. The knowledge in this field is still in its infancy. Indeed, although the influence of halogens on enantioseparation have been often considered, only recently the function of electrophilic halogens (Cl, Br, I) as enantioseparations 'drivers' has been demonstrated by our groups. Further to these studies, in this paper we focus on some unexplored issues. First, as XB-driven chiral recognition mechanisms are at an early stage of comprehension, a theoretical investigation based on a series of 32 molecular dynamic (MD) simulations was performed by using polyhalogenated 4,4'-bipyridines and polysaccharide-based polymers as ligands and receptors, respectively. Enantiomer elution orders (EEOs) were derived from calculations and the theoretical model accounted for some analyte- and chiral stationary phase (CSP)-dependent experimental EEO inversions. Then, the function of halogen-centred σ-holes in competitive systems, presenting also hydrogen bond (HB) centres as recognition sites, was considered. In this regard, Pirkle's enantioseparations of halogenated compounds performed on Whelk-O1 were theoretically re-examined and electrostatic potentials (EPs) associated with both σ-holes on halogens and HB centres were computed and compared. Then, the enantioseparation of halogenated 2-nitro-1-arylethanols was performed on cellulose tris(3,5-dimethylphenylcarbamate) (CDMPC) and the influence of halogen substituents on the chromatographic results was evaluated by correlating theoretical and experimental data.
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Affiliation(s)
- Roberto Dallocchio
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, I-07100 Li Punti, Sassari, Italy
| | - Alessandro Dessì
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, I-07100 Li Punti, Sassari, Italy
| | - Maurizio Solinas
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, I-07100 Li Punti, Sassari, Italy
| | - Antonio Arras
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, I-07100 Li Punti, Sassari, Italy
| | - Sergio Cossu
- Dipartimento di Scienze Molecolari e Nanosistemi DSMN, Università Ca' Foscari di Venezia, Via Torino 155, I-30172 Mestre Venezia, Italy
| | - Emmanuel Aubert
- Cristallographie, Résonance Magnétique et Modélisations (CRM2), UMR CNRS 7036, Université de Lorraine, Bd des Aiguillettes, 54506 Vandoeuvre-les-Nancy, France
| | - Victor Mamane
- Institut de Chimie de Strasbourg, UMR CNRS 7177, Equipe LASYROC, 1 rue Blaise Pascal, 67008 Strasbourg Cedex, France.
| | - Paola Peluso
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, I-07100 Li Punti, Sassari, Italy.
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34
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Khatiashvili T, Kakava R, Matarashvili I, Tabani H, Fanali C, Volonterio A, Farkas T, Chankvetadze B. Separation of enantiomers of selected chiral sulfoxides with cellulose tris(4-chloro-3-methylphenylcarbamate)-based chiral columns in high-performance liquid chromatography with very high separation factor. J Chromatogr A 2018; 1545:59-66. [DOI: 10.1016/j.chroma.2018.02.054] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 02/17/2018] [Accepted: 02/25/2018] [Indexed: 11/16/2022]
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35
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Beridze N, Tsutskiridze E, Takaishvili N, Farkas T, Chankvetadze B. Comparative Enantiomer-Resolving Ability of Coated and Covalently Immobilized Versions of Two Polysaccharide-Based Chiral Selectors in High-Performance Liquid Chromatography. Chromatographia 2018. [DOI: 10.1007/s10337-018-3493-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Zhang L, Miao Y, Lin C. Enantiomeric separation of six chiral pesticides that contain chiral sulfur/phosphorus atoms by supercritical fluid chromatography. J Sep Sci 2018; 41:1460-1470. [PMID: 29337424 DOI: 10.1002/jssc.201701039] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 12/19/2017] [Accepted: 12/19/2017] [Indexed: 11/06/2022]
Abstract
Six chiral pesticides containing chiral sulfur/phosphorus atoms were separated by supercritical fluid chromatography with supercritical CO2 as the main mobile phase component. The effect of the chiral stationary phase, different type and concentration of modifiers, column temperature, and backpressure on the separation efficiency was investigated to obtain the appropriate separation condition. Five chiral pesticides (isofenphos-methyl, isocarbophos, flufiprole, fipronil, and ethiprole) were baseline separated under experimental conditions, while isofenphos only obtained partial separation. The Chiralpak AD-3 column showed a better chiral separation ability than others for chiral pesticides containing chiral sulfur/phosphorus atoms. When different modifiers at the same concentration were used, the retention factor of pesticides except flufiprole decreased in the order of isopropanol, ethanol, methanol; meanwhile, the retention factor of flufiprole increased in the order of isopropanol, ethanol, methanol. For a given modifier, the retention factor and resolution decreased on the whole with the increase of its concentration. The enantiomer separation of five chiral pesticides was an "enthalpy-driven" process, and the separation factor decreased as the temperature increased. The backpressure of the mobile phase had little effect on the separation factor and resolution.
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Affiliation(s)
- Lijun Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou, China
| | - Yelong Miao
- College of Environment, Zhejiang University of Technology, Hangzhou, China
| | - Chunmian Lin
- College of Environment, Zhejiang University of Technology, Hangzhou, China
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A chromatographic study on the exceptional chiral recognition of 2-(benzylsulfinyl)benzamide by an immobilized-type chiral stationary phase based on cellulose tris(3,5-dichlorophenylcarbamate). J Chromatogr A 2018; 1531:151-156. [DOI: 10.1016/j.chroma.2017.11.037] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 10/31/2017] [Accepted: 11/15/2017] [Indexed: 01/02/2023]
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Kurouski D. Advances of Vibrational Circular Dichroism (VCD) in bioanalytical chemistry. A review. Anal Chim Acta 2017; 990:54-66. [PMID: 29029743 PMCID: PMC10389559 DOI: 10.1016/j.aca.2017.08.014] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 08/08/2017] [Accepted: 08/09/2017] [Indexed: 12/26/2022]
Abstract
Vibrational Circular Dichroism (VCD) is a unique and relatively new spectroscopic technique that is capable of determining an absolute configuration of chiral molecules. VCD can be also used to determine structure of large macromolecules. This review highlights the most recent advances of VCD in bioanalytical chemistry. It shows that VCD is capable of unraveling supramolecular organization of peptides, proteins, saccharides, glycerophospholipids, polypeptide microcrystals, as well as amyloid fibrils and DNA. This review also demonstrates how VCD can be utilized to explore molecule-molecule interactions that determine mechanisms of chiral separations in chromatography. It aims to attract attention of scientists from all different research areas demonstrating the strength and capability of this very powerful spectroscopic technique.
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Affiliation(s)
- Dmitry Kurouski
- Department Biochemistry and Biophysics, Texas A&M University, 2128 TAMU, College Station, TX 77843, USA.
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