1
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Cervantes-Díaz A, Mateo-Miranda M, Torrado-Cubero NH, Alonso-Prados JL, Sandín-España P. Stereoisomeric separation of the chiral herbicide profoxydim and residue method development in rice by QuEChERS and LC-MS/MS. Food Chem 2024; 443:138536. [PMID: 38277930 DOI: 10.1016/j.foodchem.2024.138536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 12/21/2023] [Accepted: 01/20/2024] [Indexed: 01/28/2024]
Abstract
A method for the simultaneous determination of the four stereoisomers of the chiral herbicide profoxydim in rice and husk was developed using the QuEChERS method and LC-tandem mass spectrometry. Four polysaccharide-based chiral stationary phase columns were evaluated. All four stereoisomers were successfully separated on a Chiracel OJ-3R column. The effects of mobile phase, modifiers, mobile phase flow rate and temperature on the separation were also investigated. Different QuEChERS methods were compared for the development of an optimized sample preparation procedure. The method, following SANTE guidelines, showed excellent linearity (R2 ≥ 0.99), the LODs were below 4.0 µg kg-1, and the LOQs did not exceed 12.5 µg kg-1. The overall average recoveries at three levels (12.5, 25.0 and 250 µg kg-1) ranged from 76.77 % to 106.53 %, with RSD values less than 7 %. The method is demonstrated to be convenient and reliable for the routine monitoring of profoxydim stereoisomers in rice and husk.
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Affiliation(s)
- A Cervantes-Díaz
- Plant Protection Products Unit / Plant Protection Department, National Institute for Agricultural and Food Research and Technology INIA-CSIC, Ctra. La Coruña, Km. 7.5, 28040 Madrid, Spain
| | - M Mateo-Miranda
- Plant Protection Products Unit / Plant Protection Department, National Institute for Agricultural and Food Research and Technology INIA-CSIC, Ctra. La Coruña, Km. 7.5, 28040 Madrid, Spain
| | - N H Torrado-Cubero
- Plant Protection Products Unit / Plant Protection Department, National Institute for Agricultural and Food Research and Technology INIA-CSIC, Ctra. La Coruña, Km. 7.5, 28040 Madrid, Spain
| | - J L Alonso-Prados
- Plant Protection Products Unit / Plant Protection Department, National Institute for Agricultural and Food Research and Technology INIA-CSIC, Ctra. La Coruña, Km. 7.5, 28040 Madrid, Spain
| | - P Sandín-España
- Plant Protection Products Unit / Plant Protection Department, National Institute for Agricultural and Food Research and Technology INIA-CSIC, Ctra. La Coruña, Km. 7.5, 28040 Madrid, Spain.
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2
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Luo Y, Deng X, Zhang Y, Sun G, Yan Z. Enantioselective liquid-liquid extraction of 2-cyclohexylmandelic acid enantiomers using chiral ionic liquids. Chirality 2024; 36:e23682. [PMID: 38807280 DOI: 10.1002/chir.23682] [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: 04/11/2024] [Revised: 05/14/2024] [Accepted: 05/14/2024] [Indexed: 05/30/2024]
Abstract
Obtaining optically pure compounds in an eco-friendly and cost-efficient manner plays an important role in human health and pharmaceutical industry. Racemic separation using multistage stereoselective liquid-liquid extraction has become one of the most practical and effective approach to access homochiral enantiomers. Currently, chiral ionic liquids (CILs) with structural designability have become a promising chiral additive and enable them as adjustable candidates for racemic separation. Herein, a high-effective stereoselective liquid-liquid extraction process composed of imidazolium cations and amino acid-derived anions as the chiral additive was established for racemic 2-cyclohexylmandelic acid (CHMA) separation. We have systematically investigated the choice of organic solvent, concentration of CIL, extraction temperature, and the pH of aqueous phase. For three-stage stereoselective extraction, the maximum enantiomeric excess (e.e.) for CHMA was reached up to 40.6%. Furthermore, the mechanism of steric effect and stereoselective capacity between the CILs and racemic CHMA was discussed and simulated. We envision that the work will facilitate the development of CILs in multistage liquid-liquid extraction and promote the large-scale production of optically pure enantiomers.
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Affiliation(s)
- Yachun Luo
- Department of pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Xiaoyu Deng
- Department of pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Yan Zhang
- Department of pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Genlin Sun
- Department of pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Zhihong Yan
- Department of pharmacy, Jiangxi University of Chinese Medicine, Nanchang, China
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3
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Kimura T, Kimura R, Mizukoshi Y, Furusawa K. Chiral measure of chiral polyhedrons. Chirality 2024; 36:e23633. [PMID: 38384153 DOI: 10.1002/chir.23633] [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: 06/22/2023] [Revised: 11/02/2023] [Accepted: 11/08/2023] [Indexed: 02/23/2024]
Abstract
To quantify chiral shape, a tensor describing the particle shape has been proposed. This tensor, named the shape tensor (S-tensor), is an analog of the hydrodynamic tensor that relates the rotational and translational motions of particles in a liquid. The determinant of the S-tensor, named chirality measure density (CMD), was calculated for chiral tetrahedrons and octahedrons. It was found that CMD is opposite in sign when the mirror images are chiral to each other and vanishes when they are achiral. Therefore, the CMD is a good measure to distinguish the mirror images. The interaction between chiral particles was discussed in terms of the CMD.
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Affiliation(s)
- Tsunehisa Kimura
- Department of Applied Science and Engineering, Fukui University of Technology, Fukui, Japan
| | - Ryoma Kimura
- Department of Applied Science and Engineering, Fukui University of Technology, Fukui, Japan
| | - Yuki Mizukoshi
- Department of Applied Science and Engineering, Fukui University of Technology, Fukui, Japan
| | - Kazuya Furusawa
- Department of Applied Science and Engineering, Fukui University of Technology, Fukui, Japan
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4
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Yang S, Li X. Vibrational circular dichroism study and gas chromatographic analysis of chiral epichlorohydrin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123237. [PMID: 37598448 DOI: 10.1016/j.saa.2023.123237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/25/2023] [Accepted: 08/03/2023] [Indexed: 08/22/2023]
Abstract
In recent years, there have been numerous incidents of serious accidents related to impurities of optical isomers, particularly in pharmaceutical treatment, environmental problems, and pesticide application. Among these impurities, chiral epichlorohydrin (ECH) is an important C3 synthon and a potentially genotoxic impurity. The enantiopure forms of S-ECH and R-ECH are key raw materials for synthesizing many drugs, which make it important to accurately quantify the specific conformation of chiral epichlorohydrin in pharmaceuticals. In this paper, we achieved the separation of chiral ECH by gas chromatography (GC) and based on the combination of vibrational circular dichroism (VCD) experiments and theoretical calculations, the qualitative method of chiral ECH was achieved without relying on a single enantiomeric standard.
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Affiliation(s)
- Sen Yang
- Department of Chemistry, University of Chinese Academy of Sciences, Beijing, 101408, China.
| | - Xiangjun Li
- Department of Chemistry, University of Chinese Academy of Sciences, Beijing, 101408, China.
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5
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Metcalf JS, Banack SA, Wyatt PB, Nunn PB, Cox PA. A Direct Analysis of β- N-methylamino-l-alanine Enantiomers and Isomers and Its Application to Cyanobacteria and Marine Mollusks. Toxins (Basel) 2023; 15:639. [PMID: 37999501 PMCID: PMC10674937 DOI: 10.3390/toxins15110639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/11/2023] [Accepted: 10/18/2023] [Indexed: 11/25/2023] Open
Abstract
Of the wide variety of toxic compounds produced by cyanobacteria, the neurotoxic amino acid β-N-methylamino-l-alanine (BMAA) has attracted attention as a result of its association with chronic human neurodegenerative diseases such as ALS and Alzheimer's. Consequently, specific detection methods are required to assess the presence of BMAA and its isomers in environmental and clinical materials, including cyanobacteria and mollusks. Although the separation of isomers such as β-amino-N-methylalanine (BAMA), N-(2-aminoethyl)glycine (AEG) and 2,4-diaminobutyric acid (DAB) from BMAA has been demonstrated during routine analysis, a further compounding factor is the potential presence of enantiomers for some of these isomers. Current analytical methods for BMAA mostly do not discriminate between enantiomers, and the chiral configuration of BMAA in cyanobacteria is still largely unexplored. To understand the potential for the occurrence of D-BMAA in cyanobacteria, a chiral UPLC-MS/MS method was developed to separate BMAA enantiomers and isomers and to determine the enantiomeric configuration of endogenous free BMAA in a marine Lyngbya mat and two mussel reference materials. After extraction, purification and derivatization with N-(4-nitrophenoxycarbonyl)-l-phenylalanine 2-methoxyethyl ester ((S)-NIFE), both L- and D-BMAA were identified as free amino acids in cyanobacterial materials, whereas only L-BMAA was identified in mussel tissues. The finding of D-BMAA in biological environmental materials raises questions concerning the source and role of BMAA enantiomers in neurological disease.
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Affiliation(s)
- James S. Metcalf
- Brain Chemistry Labs, Box 3464, Jackson, WY 83001, USA; (S.A.B.); (P.A.C.)
- Department of Biological Sciences, Bowling Green State University, Bowling Green, OH 43403, USA
| | - Sandra Anne Banack
- Brain Chemistry Labs, Box 3464, Jackson, WY 83001, USA; (S.A.B.); (P.A.C.)
| | - Peter B. Wyatt
- The School of Physical and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK; (P.B.W.); (P.B.N.)
| | - Peter B. Nunn
- The School of Physical and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK; (P.B.W.); (P.B.N.)
| | - Paul A. Cox
- Brain Chemistry Labs, Box 3464, Jackson, WY 83001, USA; (S.A.B.); (P.A.C.)
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6
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Yuan C, Wang Z, Xiong W, Huang Z, Lai Y, Fu S, Dong J, Duan A, Hou X, Yuan LM, Cui Y. Cyclodextrin Incorporation into Covalent Organic Frameworks Enables Extensive Liquid and Gas Chromatographic Enantioseparations. J Am Chem Soc 2023; 145:18956-18967. [PMID: 37596711 DOI: 10.1021/jacs.3c05973] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/20/2023]
Abstract
The separation of enantiomers using high-performance chromatography technologies represents great importance and interest. In this aspect, β-cyclodextrin (β-CD) and its derivatives have been extensively studied as chiral stationary phases (CSPs). Nevertheless, β-CD that was immobilized on a traditional matrix often exhibited low stabilities and limited operating ranges. Recently, covalent organic frameworks (COFs) with highly ordered nanopores are emerging as promising CSPs for enantioseparations, but their practical applications are still hampered by the difficulty of monomer and COF synthesis. Herein, two β-CD-driven COFs are synthesized via a fast and facile plasma-induced polymerization combined postsynthesis modification strategy. The precisely defined COF channels enhanced the accessibility of the accommodated β-CD to the analytes and acted as robust protective barriers to safeguard the β-CD from harsh environments. Therefore, the β-CD-modified COFs can be potentially general CSPs for extensive enantioseparation in both gas chromatography and high-performance liquid chromatography, and a wide range of racemates were separated. Compared to the commonly employed commercial chiral columns, these COF-based columns exhibited comparable resolution capability and superior application versatility. This work integrates the advantages and overcomes the defects of COFs and β-CD, thus advancing COFs as platforms for chiral selector modification and giving great promise for practical chromatographic enantioseparation.
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Affiliation(s)
- Chen Yuan
- Analytical & Testing Center, Sichuan University, Chengdu 610064, China
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai 200240, China
| | - Zhen Wang
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Wanqi Xiong
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Zhifeng Huang
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Yalin Lai
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Shiguo Fu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai 200240, China
| | - Jinqiao Dong
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai 200240, China
| | - Aihong Duan
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Xiandeng Hou
- Analytical & Testing Center, Sichuan University, Chengdu 610064, China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Yong Cui
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai 200240, China
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7
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Cheng Q, Ma Q, Pei H, He S, Wang R, Guo R, Liu N, Mo Z. Enantioseparation Membranes: Research Status, Challenges, and Trends. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2300376. [PMID: 36794289 DOI: 10.1002/smll.202300376] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/03/2023] [Indexed: 05/18/2023]
Abstract
The purity of enantiomers plays a critical role in human health and safety. Enantioseparation is an effective way and necessary process to obtain pure chiral compounds. Enantiomer membrane separation is a new chiral resolution technique, which has the potential for industrialization. This paper mainly summarizes the research status of enantioseparation membranes including membrane materials, preparation methods, factors affecting membrane properties, and separation mechanisms. In addition, the key problems and challenges to be solved in the research of enantioseparation membranes are analyzed. Last but not least, the future development trend of the chiral membrane is expected.
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Affiliation(s)
- Qingsong Cheng
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Qian Ma
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Hebing Pei
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Simin He
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Rui Wang
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Ruibin Guo
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Nijuan Liu
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Zunli Mo
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
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8
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Che C, Zhang W, Men Y, Li H, Qin B, Jia X, You S. Development of an enzymatic process for the synthesis of (1S)-2-chloro-1-(3, 4-difluorophenyl) ethanol, the key intermediate of ticagrelor. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.112963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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9
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An Innovative Chiral UPLC-MS/MS Method for Enantioselective Determination and Dissipation in Soil of Fenpropidin Enantiomers. Molecules 2022; 27:molecules27196530. [PMID: 36235065 PMCID: PMC9572594 DOI: 10.3390/molecules27196530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/16/2022] Open
Abstract
As a chiral piperidine fungicide, fenpropidin has been widely used to control plant diseases. However, there are rare studies that have investigated fenpropidin at the enantiomer level. In this study, the single-factor analysis combined with a Box-Behnken design was used to obtain the optimal enantio-separation parameters of the fenpropidin enantiomers on ultra-performance liquid chromatography-tandem mass spectrometry. The absolute configuration of two fenpropidin enantiomers was confirmed for the first time using electron circular dichroism and optical activity. On the Lux cellulose-3 column, S-(-)-fenpropidin flowed out before R-(+)-fenpropidin. The enantio-separation mechanism was revealed by molecular docking. A modified QuEChERS method was developed for the trace determination of the fenpropidin enantiomers in seven food and environmental substrates. The average recoveries were 71.5-106.1% with the intra-day and inter-day relative standard deviations of 0.3-8.9% and 0.5-8.0%. The method was successfully verified by enantioselective dissipation of fenpropidin in soil under the field. R-(+)-fenpropidin dissipated faster than S-(-)-fenpropidin, and the half-lives were 19.8 d and 22.4 d. This study established a brand-new effective chiral analysis method for the fenpropidin enantiomers, providing a basis for accurate residue monitoring and the risk assessment of fenpropidin.
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10
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11
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Ao Q, Zhao H, Tong T, Peng Y, He Z. Enantioseparation of basic drugs by reverse phase high-performance liquid chromatography system using carboxymethyl-β-cyclodextrin as chiral mobile phase additive. Chirality 2022; 34:1128-1139. [PMID: 35574700 DOI: 10.1002/chir.23470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 12/20/2022]
Abstract
A rapid and efficient method was developed for enantioseparation of basic drugs, using carboxymethyl-β-cyclodextrin (CM-β-CD) as chiral mobile phase additive, rather than involving costly chiral column in high-performance liquid chromatography (HPLC) system. Four of the six basic drug enantiomers investigated were successfully separated. The highest resolution reaches 2.15 for threo-(1S,2S)-2-amino-l-p-nitrophenyl-1,3-propanediol. The effects of the organic modifier, pH value, concentration of chiral additive, column temperature, and flow rate of mobile phase on the enantioseparation of analytes were researched. The apparent formation constants of inclusion and the thermodynamic parameters were evaluated to explain the mechanism of chiral recognition.
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Affiliation(s)
- Qiong Ao
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Hongliang Zhao
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Tianzhong Tong
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Yangfeng Peng
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Zhaoyang He
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
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12
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Retarded transport properties of graphene oxide based chiral separation membranes modified with dipeptide. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120642] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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13
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Recchimurzo A, Maccabruni F, Uccello Barretta G, Balzano F. Quinine as a highly responsive chiral sensor for the 1H and 19F NMR enantiodiscrimination of N-trifluoroacetyl amino acids with free carboxyl functions. Analyst 2022; 147:1669-1677. [PMID: 35315472 DOI: 10.1039/d2an00166g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Hydrogen-bond accepting and enantiodiscriminating abilities of quinine (Qui) have been exploited in the enantiodiscrimination of N-trifluoroacetyl (TFA) derivatives of amino acids by nuclear magnetic resonance (NMR) spectroscopy. 1H and 19F NMR resonances of derivatives of alanine, valine, leucine, norvaline, phenylalanine, phenylglycine, methionine, glutamic acid, proline, and tryptophan were well differentiated employing CDCl3 and/or C6D6 as solvent, with Qui acting in some cases not only as enantiodiscriminating agent, but also as solubility promoter. For derivatives soluble in both solvents, the best results were obtained in benzene-d6, with very high nonequivalence values, which were detectable not only starting from very low equimolar concentrations of 0.1 mM, but also in the presence of sub-stoichiometric amounts of Qui. The quality of enantiodifferentiation has been also evaluated by means of the enantioresolution quotient E. The method has been applied to the detection and quantification of mixtures of amino acid derivatives by single point measurements.
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Affiliation(s)
- Alessandra Recchimurzo
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Moruzzi 13, 56124 Pisa, Italy.
| | - Fabio Maccabruni
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Moruzzi 13, 56124 Pisa, Italy.
| | - Gloria Uccello Barretta
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Moruzzi 13, 56124 Pisa, Italy.
| | - Federica Balzano
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Moruzzi 13, 56124 Pisa, Italy.
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14
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Tai HC, Lin Z, Fabiano A, Zhou Y, Saurer EM, Ye YK, He BL. Evaluation of Chiral Normal-Phase Liquid Chromatography as a Secondary Tier in Pharmaceutical Chiral Screening Strategy. J Chromatogr A 2022; 1672:463053. [DOI: 10.1016/j.chroma.2022.463053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/08/2022] [Accepted: 04/10/2022] [Indexed: 10/18/2022]
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15
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Nikam S, S. K A. Enantioselective Separation of Amino Acids Using Chiral Polystyrene Microspheres Synthesized by a Post-Polymer Modification Approach. ACS POLYMERS AU 2022; 2:257-265. [PMID: 36855562 PMCID: PMC9955280 DOI: 10.1021/acspolymersau.2c00004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The enantioselective separation of a racemic mixture of amino acids was achieved by chiral amino acid-modified polystyrene (PS) that was developed by a post-polymer modification approach. Styrene was polymerized using the reversible addition-fragmentation chain-transfer (RAFT) polymerization technique and further post-polymer modification was applied by Friedel-Crafts acylation reaction with chiral N-phthaloyl-l-leucine acid chloride to obtain the protected PS-l-Leu. The chiral PS (protected PS-l-Leu) was assembled into microspheres using a surfactant and was used for carrying out the enantioselective separation of amino acid racemic mixtures by enantioselective adsorption followed by a simple filtration process. Compared to as-precipitated chiral PS (protected PS-l-Leu) powder, the protected PS-l-Leu microspheres exhibited a better enantioselective separation efficiency (ee %). Furthermore, the protected PS-l-Leu was deprotected to obtain the amine-functionalized deprotected PS-l-Leu chiral PS, which was also assembled into microspheres and used for carrying out enantioselective separation. Deprotected PS-l-Leu-functionalized chiral PS microspheres could achieve up to 81.6 ee % for the enantioselective separation of a racemic mixture of leucine. This is one of the first reports of the synthesis of amino acid-modified chiral PS microspheres and their application to the simple filtration-based enantioselective separation of native amino acids from their racemic mixtures.
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Affiliation(s)
- Shrikant
B. Nikam
- Polymer
Science and Engineering Division, CSIR-National
Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India,Academy
of Scientific and Innovative Research, Sector 19, Kamla Nehru Nagar, Ghaziabad, 201002 Uttar
Pradesh, India
| | - Asha S. K
- Polymer
Science and Engineering Division, CSIR-National
Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India,Academy
of Scientific and Innovative Research, Sector 19, Kamla Nehru Nagar, Ghaziabad, 201002 Uttar
Pradesh, India,. Fax: 0091-20-25902615
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16
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Yuan C, Jia W, Yu Z, Li Y, Zi M, Yuan LM, Cui Y. Are Highly Stable Covalent Organic Frameworks the Key to Universal Chiral Stationary Phases for Liquid and Gas Chromatographic Separations? J Am Chem Soc 2022; 144:891-900. [PMID: 34989226 DOI: 10.1021/jacs.1c11051] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
High-performance liquid chromatography (HPLC) and gas chromatography (GC) over chiral stationary phases (CSPs) represent the most popular and highly applicable technology in the field of chiral separation, but there are currently no CSPs that can be used for both liquid and gas chromatography simultaneously. We demonstrate here that two olefin-linked covalent organic frameworks (COFs) featuring chiral crown ether groups can be general CSPs for extensive separation not only in GC but also in normal-phase and reversed-phase HPLC. Both COFs have the same 2D layered porous structure but channels of different sizes and display high stability under different chemical environments including water, organic solvents, acids, and bases. Chiral crown ethers are periodically aligned within the COF channels, allowing for enantioselective recognition of guest molecules through intermolecular interactions. The COF-packed HPLC and GC columns show excellent complementarity and each affords high resolution, selectivity, and durability for the separation of a wide range of racemic compounds, including amino acids, esters, lactones, amides, alcohols, aldehydes, ketones, and drugs. The resolution performances are comparable to and the versatility is superior to those of the most widely used commercial chiral columns, showing promises for practical applications. This work thus advances COFs with high stability as potential universal CSPs for chromatography that are otherwise hard or impossible to produce.
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Affiliation(s)
- Chen Yuan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Wenyan Jia
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Ziyun Yu
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Yanan Li
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Min Zi
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Yong Cui
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
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17
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Surface-up construction of quinine bridged functional cyclodextrin for single-column versatile enantioseparation. J Chromatogr A 2021; 1664:462786. [PMID: 34986442 DOI: 10.1016/j.chroma.2021.462786] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/11/2021] [Accepted: 12/23/2021] [Indexed: 11/22/2022]
Abstract
Seeking for single-column versatile chiral separation methodology is the ultimate goal for analysts engrossed in enantioseparation. However, the versatility and selectivity are always contradictory due to negative influence among the recognition domains and the relatively low surface concentrations in a limited support surface area. Herein, we reported a novel series of quinine (QN) bridged cyclodextrin (CD) chiral stationary phases (CSPs) with satisfied surface concentration of both selectors, prepared via a facile surface-up 'thiol-ene click' approach, where QN and CD can not only nicely exhibit their individual resolution capability but also afford possible synergism in resolving difficult-to-separate analytes. QN bridged phenylcarbamoylated CD CSP exhibits powerful resolution ability by positive combining the resolving ability of QN and functional CD and achieves the resolution of almost a double number of racemates over QN or CD CSPs. Meanwhile, it exhibits comparable and even better chiral selectivity over the widely used chemical-bonded chiral column (CHIRALPAK® IA, CHIRALPAK® IB and CHIRALPAK® IC of Daicel) for the studied analytes. This work thus advances the duplex QN-CD structure as a relatively versatile platform for chiral resolution and commendably promotes the design of functional CSPs with chiral molecular bridge.
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18
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Evans AM, Strauss MJ, Corcos AR, Hirani Z, Ji W, Hamachi LS, Aguilar-Enriquez X, Chavez AD, Smith BJ, Dichtel WR. Two-Dimensional Polymers and Polymerizations. Chem Rev 2021; 122:442-564. [PMID: 34852192 DOI: 10.1021/acs.chemrev.0c01184] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Synthetic chemists have developed robust methods to synthesize discrete molecules, linear and branched polymers, and disordered cross-linked networks. However, two-dimensional polymers (2DPs) prepared from designed monomers have been long missing from these capabilities, both as objects of chemical synthesis and in nature. Recently, new polymerization strategies and characterization methods have enabled the unambiguous realization of covalently linked macromolecular sheets. Here we review 2DPs and 2D polymerization methods. Three predominant 2D polymerization strategies have emerged to date, which produce 2DPs either as monolayers or multilayer assemblies. We discuss the fundamental understanding and scope of each of these approaches, including: the bond-forming reactions used, the synthetic diversity of 2DPs prepared, their multilayer stacking behaviors, nanoscale and mesoscale structures, and macroscale morphologies. Additionally, we describe the analytical tools currently available to characterize 2DPs in their various isolated forms. Finally, we review emergent 2DP properties and the potential applications of planar macromolecules. Throughout, we highlight achievements in 2D polymerization and identify opportunities for continued study.
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Affiliation(s)
- Austin M Evans
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States
| | - Michael J Strauss
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States
| | - Amanda R Corcos
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States
| | - Zoheb Hirani
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States
| | - Woojung Ji
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States
| | - Leslie S Hamachi
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Chemistry and Biochemistry, California Polytechnic State University, San Luis Obispo, California 93407, United States
| | - Xavier Aguilar-Enriquez
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States
| | - Anton D Chavez
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States
| | - Brian J Smith
- Department of Chemistry, Bucknell University,1 Dent Drive, Lewisburg, Pennsylvania 17837, United States
| | - William R Dichtel
- Department of Chemistry, Northwestern University, 1425 Sheridan Road, Evanston, Illinois 60208, United States
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19
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Paul R, Mitra A, Paul S. A computational approach on the stereoselective binding of peptides from aqueous medium with endo-functionalized molecular tubes. Phys Chem Chem Phys 2021; 23:22703-22717. [PMID: 34605508 DOI: 10.1039/d1cp02288a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The need to obtain enantiomerically pure isomers of amino acids and peptides is often realized in the field of biology and in the pharmaceutical industry. Research is underway to devise simple methods for the chiral resolution of amino acids from their racemic mixtures. Inspired by this objective, in our present work, we have computationally shown the possibility of chiral separation of the enantiomeric pairs of two model peptides, namely, (D,L)-aspargine and (D,L)-phenylalanine, in the presence of water. For this purpose, we have used two synthetic supramolecular receptors named host-1a and host-1b, respectively. Molecular dynamics simulations and quantum chemical methods are employed to analyze the structural features and the energy aspects involved in the separation process. The information obtained at the molecular level helps us gain better insights into the key interactions that operate to produce such enantioselectivity. We have also investigated the dynamics and changes in the water structure in the vicinity of the host molecules, both in the presence and absence of the model peptides. The D- and L-isomers of the same peptide undergo complexation with a particular host molecule registering a difference of more than 1.5 kcal mol-1 (obtained from PMF and MM-PBSA analyses) in their respective energies. This indicates that the chiral separation of the peptides with the help of these endo-fuctionalized molecular tube receptors may be energetically feasible. The connection between the peptide stereochemistry and its interaction with the endo-functionalized hosts would be instrumental in designing novel segregation techniques that can be further extended to separate larger model peptides or proteins.
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Affiliation(s)
- Rabindranath Paul
- Department of Chemistry, Indian Institute of Technology, Guwahati, Assam 781039, India.
| | - Aritra Mitra
- Department of Chemistry, Indian Institute of Technology, Guwahati, Assam 781039, India.
| | - Sandip Paul
- Department of Chemistry, Indian Institute of Technology, Guwahati, Assam 781039, India.
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20
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Tripathy S, Wentzel D, Wan XK, Kavetska O. Validation of enantioseparation and quantitation of an active metabolite of abrocitinib in human plasma. Bioanalysis 2021; 13:1477-1486. [PMID: 34601943 DOI: 10.4155/bio-2021-0128] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 09/17/2021] [Indexed: 12/26/2022] Open
Abstract
Aims: A chiral HPLC-MS/MS method for quantitation of an active metabolite (M2) of abrocitinib was validated in human plasma. Methods: Protein precipitation extraction and normal phase LC with baseline separation of five analytes (abrocitinib; isomeric metabolites M1, M2, M3 and M4) were achieved followed by mass spectrometric quantitation of M2 using positive-mode APCI. Results: With a 5-5000 ng/ml assay range using 100 μl K2EDTA aliquot, the assay provided short (17-min) runtime and robust separation up to approximately 330 injections on one column. Interday and intraday accuracy ranged from -6.80% to 13.4%; between-day and within-day precision was ≤10.4%. Conclusion: The method was used in multiple clinical studies, with excellent run passing rate and incurred sample reproducibility.
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Affiliation(s)
- Sakambari Tripathy
- Clinical Assay Group, Global Product Development, Pfizer, Inc., Groton, CT 06340, USA
| | - Daria Wentzel
- Syneos Health Clinical Laboratories, Princeton, NJ 08540, USA
| | - Xia Katty Wan
- Clinical Assay Group, Global Product Development, Pfizer, Inc., Groton, CT 06340, USA
| | - Olga Kavetska
- Clinical Assay Group, Global Product Development, Pfizer, Inc., Groton, CT 06340, USA
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21
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Ali I, Raja R, Alam SD, Shirsath V, K. Jain A, Locatelli M, David V. A comparison of chiral separations by supercritical fluid chromatography and high-performance liquid chromatography. J LIQ CHROMATOGR R T 2021. [DOI: 10.1080/10826076.2021.1979037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Imran Ali
- Department of Chemistry, Jamia Millia Islamia, New Delhi, India
| | - Rupak Raja
- Department of Chemistry, School of Basic and Applied Sciences, Galgotias University, Greater Noida, India
- Jubilant Biosys Limited, Noida, India
| | | | | | - Arvind K. Jain
- Department of Chemistry, School of Basic and Applied Sciences, Galgotias University, Greater Noida, India
| | - Marcello Locatelli
- Department of Pharmacy, Analytical and Bioanalytical Chemistry, University “G. d’Annunzio” of Chieti-Pescara, Chieti, Italy
| | - Victor David
- Department of Analytical Chemistry, University of Bucharest, Romania
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22
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Suryakoppa KS, Kameshwar VH, Appadurai R, Eranna S, Khan MHM. Enantiomeric Separation of Indole-3-Propanamide Derivatives by Using Supercritical Fluid Chromatography on a Polysaccharide-Based Chiral Stationary Phase. J Chromatogr Sci 2021; 60:692-704. [PMID: 34510190 DOI: 10.1093/chromsci/bmab102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/28/2021] [Accepted: 08/06/2021] [Indexed: 11/14/2022]
Abstract
Thirteen pairs of I3P enantiomers were screened using nine polysaccharide chiral stationary phases and three different mobile phases. The purification strategy for 13 pairs of I3P enantiomers were designed and optimized considering enantiomeric purity and enrichment of isomers. Out of 13 I3P derivatives which were screened using supercritical fluid chromatography, 10 derivatives displayed excellent baseline separation using a Lux Cellulose-4 column and their resolution from higher to lower order of I3P-11, 13, 4, 12, 2, 1, 9, 3, 7 and 8 derivatives whereas in case of Lux Cellulose-2 column, the moderate separation was achieved as compared to Cellulose-4 in the order I3P-5, 6 and 10 derivatives. Excellent enantiomeric separations and retentions for all 13 I3P enantiomer derivatives were obtained in Cellulose-4 and Cellulose-2 columns in presences of methanol as organic modifier without any additives except in the case of I3P 12 enantiomer. The absolute stereochemical assignment of the purified isomers was determined through an optical rotation study. Among the series of I3P derivatives, I3P-5 showed potent antioxidant activity against catalase with an IC50 value of 13.78 μM. Further molecular docking, MM/GBSA and molecular dynamics studies revealed that the I3P-5 derivatives effectively bind to catalase with a docking score of -5.41 kcal/mol. Which validated chiral docking and indicated great potential for enantiomeric separation in drug discovery and present studies (R)-enantiomer preferentially depicts good binding capacity with catalase.
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Affiliation(s)
- Kaveesha Srinivasa Suryakoppa
- Discovery Chemistry-Analytical Research and Development, Syngene International Ltd, Biocon Park, SEZ, Bommasandra Industrial Estate - Phase-IV, Bommasandra-Jigani Link Road, Bengaluru 560 099, Karnataka, India.,Department of Chemistry, Jawaharlal Nehru National College of Engineering, Visvesvaraya Technological University, Shimoga 577204, Karnataka, India
| | - Vivek Hamse Kameshwar
- School of Natural Science, Adichunchanagiri University-Center for Research and Innovation, BGSIT campus, Adichunchanagiri University, B. G Nagara, 571448 Mandya, Karnataka, India
| | - Ramesh Appadurai
- Discovery Chemistry-Analytical Research and Development, Syngene International Ltd, Biocon Park, SEZ, Bommasandra Industrial Estate - Phase-IV, Bommasandra-Jigani Link Road, Bengaluru 560 099, Karnataka, India
| | - Siddalingamurthy Eranna
- Research and Development, Synus lab LLP, R23, Bommasandra industrial area, Jigani Link Road, Bengaluru 560099, Karnataka, India
| | - M H Moinuddin Khan
- Department of Chemistry, Jawaharlal Nehru National College of Engineering, Visvesvaraya Technological University, Shimoga 577204, Karnataka, India
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23
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Lu Y, Bloom BP, Qian S, Waldeck DH. Enantiospecificity of Cysteine Adsorption on a Ferromagnetic Surface: Is It Kinetically or Thermodynamically Controlled? J Phys Chem Lett 2021; 12:7854-7858. [PMID: 34380316 DOI: 10.1021/acs.jpclett.1c02087] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
This work uses electrochemical quartz crystal microbalance methods to demonstrate the enantiospecific interaction between a magnetized surface and a chiral amino acid. The enantiospecific adsorption of chiral molecules (cysteine is used as a model) on a ferromagnetic surface is shown to arise from the kinetics of adsorption and not from a thermodynamic stabilization. Measurements of the Gibbs free energy of adsorption for different chiral forms of cysteine and different electrode magnetization states show no significant differences, whereas measurements of the adsorption and desorption kinetics reveal a strong dependence on the magnetization state of the electrode surface. In addition, the enantioselectivity is shown to depend sensitively on the solution pH and the charge state of the chiral adsorbate.
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Affiliation(s)
- Y Lu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - B P Bloom
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - S Qian
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - D H Waldeck
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
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24
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Molecular fingerprint and machine learning to accelerate design of
high‐performance
homochiral metal–organic frameworks. AIChE J 2021. [DOI: 10.1002/aic.17352] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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25
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Liu J, Mukherjee S, Wang F, Fischer RA, Zhang J. Homochiral metal-organic frameworks for enantioseparation. Chem Soc Rev 2021; 50:5706-5745. [PMID: 33972960 DOI: 10.1039/d0cs01236j] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Obtaining homochiral compounds is of high importance to human health and environmental sustainability. Currently, enantioseparation is one of the most effective approaches to obtain homochiral compounds. Thanks to their controlled synthesis and high efficiency, homochiral metal-organic frameworks (HMOFs) are one of the most widely studied porous materials to enable enantioseparation. In this review, we discuss the chiral pocket model in depth as the key to unlock enantioselective separation mechanisms in HMOFs. In particular, we classify our discussion of these chiral pockets (also regarded as "molecular traps") into: (a) achiral/chiral linker based helical channels as a result of packing modality; and (b) chiral pores inherited from chiral ligands. Driven by a number of mechanisms of enantioseparation, conceptual advances have been recently made in the design of HMOFs for achieving high enantioseparation performances. Herein, these are systematically categorised and discussed. Further we elucidate various applications of HMOFs as regards enantioseparation, systematically classifying them into their use for purification and related analytical utility according to the reported examples. Last but not the least, we discuss the challenges and perspectives concerning the rational design of HMOFs and their corresponding enantioseparations.
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Affiliation(s)
- Juan Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
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26
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Zaid MEA, Belboukhari N, Sekkoum K, Ibtissam B, Enein HYA. Synthesis and Chiral Separation of Some 4-thioflavones. J Chromatogr Sci 2021; 59:856-862. [PMID: 33558896 DOI: 10.1093/chromsci/bmab007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 01/11/2021] [Indexed: 11/14/2022]
Abstract
A thionation reaction was performed on some chiral flavanones using Lawesson's reagent (LR) and leads to the formation of new chiral thiocarbonyl flavanes. LR in this thionation reaction with Hesperetin and Naringenin gives new flavan-4-thiones with yields ranged between 41 and 52%. Based on the Wittig reaction principle, LR is currently the most widely used reagent for this type of reaction. Enantiomeric separation by high-performance liquid chromatography methods was then set-up using three different polysaccharide-based chiral stationary phases (CSPs). Chiral separations were successfully accomplished with high resolution (1.22 ≤ Rs ≤ 5.23). The chiral discrimination mechanism(s) between the analytes under study, mobile phase, and the CSPs were discussed.
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Affiliation(s)
- Mohammed El Amin Zaid
- Bioactive Molecules and Chiral Separation Laboratory, Faculty of Exacts Sciences, University T.M. Béchar, Rue de l'indépendance; Boîte Postale 417 Béchar, 08000 Bechar, Algeria
| | - Nasser Belboukhari
- Bioactive Molecules and Chiral Separation Laboratory, Faculty of Exacts Sciences, University T.M. Béchar, Rue de l'indépendance; Boîte Postale 417 Béchar, 08000 Bechar, Algeria
| | - Khaled Sekkoum
- Bioactive Molecules and Chiral Separation Laboratory, Faculty of Exacts Sciences, University T.M. Béchar, Rue de l'indépendance; Boîte Postale 417 Béchar, 08000 Bechar, Algeria
| | - Bousmaha Ibtissam
- Bioactive Molecules and Chiral Separation Laboratory, Faculty of Exacts Sciences, University T.M. Béchar, Rue de l'indépendance; Boîte Postale 417 Béchar, 08000 Bechar, Algeria
| | - Hassan Y Aboul Enein
- Pharmaceutical and Medicinal Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Center, 33 El Buhouth St, Ad Doqi, Dokki, Cairo Governorate, Giza 12622, Egypt
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27
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Simultaneous enantiomeric determination of multiple triazole fungicides in fruits and vegetables by chiral liquid chromatography/tandem mass spectrometry on a bridged bis(β-cyclodextrin)-bonded chiral stationary phase. Food Chem 2020; 345:128842. [PMID: 33340898 DOI: 10.1016/j.foodchem.2020.128842] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 11/08/2020] [Accepted: 12/05/2020] [Indexed: 01/27/2023]
Abstract
A LC-MS/MS method for simultaneous determination of twelve triazole enantiomers (hexaconazole, tebuconazole, triticonazole, flutriafol, diniconazole, paclobutrazol) in six fruits and vegetables was established based on a stable and self-made bridged bis(β-cyclodextrin)-bonded chiral stationary phase. Simultaneous enantio-separation of multiple analytes was achieved with resolution ca. 1.67-2.14. Magnetically assisted QuECHERS was used to simplify and optimize sample pre-treatment. The new method was validated (accuracy, precision, matrix effect, etc.). Good linearity (0.5-20 μg/L, R2 > 0.99) and high recoveries (76.1-103.4%) based on intra- and inter-day relative standard deviation (RSDs) (2.6-11.9%), were obtained. Furthermore, a total of 90 samples were analyzed using this method and enantiomeric fractions (EF) for tebuconazole in strawberry and cucumber (0.63 and 0.43, respectively) were determined as well as 0.57 for flutriafol in tomato. This high-throughput detection method supported a convenient enantiomeric monitoring for chiral pesticides in fruits and vegetables.
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28
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Ma S, Li F, Liu L, Liao L, Chang L, Tan Z. Deep-eutectic solvents simultaneously used as the phase-forming components and chiral selectors for enantioselective liquid-liquid extraction of tryptophan enantiomers. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114106] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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29
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Kim G, Ryoo JJ. Enantioseparation on Amino
Alcohol‐Derived
Stationary Phases by Supercritical Fluid Chromatography and High‐Performance Liquid Chromatograpy. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.12094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Gyuri Kim
- Department of Chemistry Kyungpook National University Daegu 702‐701 South Korea
| | - Jae Jeong Ryoo
- Department of Chemistry Education Kyungpook National University Daegu 702‐701 South Korea
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30
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Suttipat D, Butcha S, Assavapanumat S, Maihom T, Gupta B, Perro A, Sojic N, Kuhn A, Wattanakit C. Chiral Macroporous MOF Surfaces for Electroassisted Enantioselective Adsorption and Separation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:36548-36557. [PMID: 32683858 DOI: 10.1021/acsami.0c09816] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The development of surfaces with chiral features is a fascinating challenge for modern materials science, especially when they are used for chiral separation technologies. In this contribution, the design of hierarchically structured chiral macroporous zeolitic imidazolate framework-8 (ZIF-8) electrodes is presented. They are elaborated by an electrochemical deposition-dissolution technique based on the electrodeposition of metal through a colloidal crystal template, followed by controlled electrooxidation. This generates locally metal cations, which can interact with a chiral ligand present in the solution to form metal-organic frameworks (MOFs). The macroporous structure facilitates the access of the chiral recognition sites, located in the mesoporous MOF, and thus helps to overcome mass transport limitations. The efficiency of the designed functional materials for chiral adsorption and separation can be fine-tuned by applying an adjustable electric potential to the electrode surfaces. This hierarchical chiral ZIF-8 structure was deposited at the walls of a microfluidic device and used as a stationary phase for enantioselective separation. The potential-controlled interaction between the stationary phase and the chiral analytes allows baseline separation of two enantiomers. This opens up interesting perspectives for using hierarchically structured chiral MOFs as an efficient material for the selective adsorption and separation of chiral compounds.
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Affiliation(s)
- Duangkamon Suttipat
- School of Energy Science and Engineering, School of Molecular Science and Engineering, and Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTEC, Vidyasirimedhi Institute of Science and Technology, Rayong 21210, Thailand
| | - Sopon Butcha
- School of Energy Science and Engineering, School of Molecular Science and Engineering, and Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTEC, Vidyasirimedhi Institute of Science and Technology, Rayong 21210, Thailand
- University of Bordeaux, CNRS UMR 5255, Bordeaux INP, Site ENSCBP, Pessac 33607, France
| | - Sunpet Assavapanumat
- School of Energy Science and Engineering, School of Molecular Science and Engineering, and Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTEC, Vidyasirimedhi Institute of Science and Technology, Rayong 21210, Thailand
- University of Bordeaux, CNRS UMR 5255, Bordeaux INP, Site ENSCBP, Pessac 33607, France
| | - Thana Maihom
- Department of Chemistry, Faculty of Liberal Arts and Science, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
| | - Bhavana Gupta
- University of Bordeaux, CNRS UMR 5255, Bordeaux INP, Site ENSCBP, Pessac 33607, France
| | - Adeline Perro
- University of Bordeaux, CNRS UMR 5255, Bordeaux INP, Site ENSCBP, Pessac 33607, France
| | - Neso Sojic
- University of Bordeaux, CNRS UMR 5255, Bordeaux INP, Site ENSCBP, Pessac 33607, France
| | - Alexander Kuhn
- University of Bordeaux, CNRS UMR 5255, Bordeaux INP, Site ENSCBP, Pessac 33607, France
| | - Chularat Wattanakit
- School of Energy Science and Engineering, School of Molecular Science and Engineering, and Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTEC, Vidyasirimedhi Institute of Science and Technology, Rayong 21210, Thailand
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31
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Zhang P, He Y, Wang S, Shi D, Xu Y, Yang F, Wang J, He L. Chiral Separation and Determination of Etoxazole Enantiomers in Vegetables by Normal-Phase and Reverse-Phase High Performance Liquid Chromatography. Molecules 2020; 25:E3134. [PMID: 32659902 PMCID: PMC7397032 DOI: 10.3390/molecules25143134] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/02/2020] [Accepted: 07/06/2020] [Indexed: 11/16/2022] Open
Abstract
The chiral separation of etoxazole enantiomers on Lux Cellulose-1, Lux Cellulose-3, Chiralpak IC, and Chiralpak AD chiral columns was carefully investigated by normal-phase high performance liquid chromatography and reverse-phase high performance liquid chromatography (HPLC). Hexane/isopropanol, hexane/n-butanol, methanol/water, and acetonitrile/water were used as mobile phase at a flow rate of 0.8 mL/min. The effects of chiral stationary phase, mobile phase component, mobile phase ratio, and temperature on etoxazole separation were also studied. Etoxazole enantiomers were baseline separated on Lux Cellulose-1, Chiralpak IC, and Chiralpak AD chiral columns, and partially separated on Lux Cellulose-3 chiral column under normal-phase HPLC. However, the complete separation on Lux Cellulose-1, Chiralpak IC, and partial separation on Chiralpak AD were obtained under reverse-phase HPLC. Normal-phase HPLC presented better resolution for etoxazole enantiomers than reverse-phase HPLC. Thermodynamic parameters, including ΔH and ΔS, were also calculated based on column temperature changes from 10 °C to 40 °C, and the maximum resolutions (Rs) were not always acquired at the lowest temperature. Furthermore, the optimized method was successfully applied to determine etoxazole enantiomers in cucumber, cabbage, tomato, and soil. The results of chiral separation efficiency of etoxazole enantiomers under normal-phase and reverse-phase HPLC were compared, and contribute to the comprehensive environmental risk assessment of etoxazole at the enantiomer level.
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Affiliation(s)
- Ping Zhang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; (Y.H.); (S.W.); (D.S.); (Y.X.); (F.Y.); (J.W.)
- Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
- State Cultivation Base of Crop Stress Biology for Southern Mountainous Land of Southwest University, Southwest University, Chongqing 400715, China
| | - Yuhan He
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; (Y.H.); (S.W.); (D.S.); (Y.X.); (F.Y.); (J.W.)
- Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
| | - Sheng Wang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; (Y.H.); (S.W.); (D.S.); (Y.X.); (F.Y.); (J.W.)
- Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
| | - Dongmei Shi
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; (Y.H.); (S.W.); (D.S.); (Y.X.); (F.Y.); (J.W.)
- Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
| | - Yangyang Xu
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; (Y.H.); (S.W.); (D.S.); (Y.X.); (F.Y.); (J.W.)
- Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
| | - Furong Yang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; (Y.H.); (S.W.); (D.S.); (Y.X.); (F.Y.); (J.W.)
- Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
| | - Jianhao Wang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; (Y.H.); (S.W.); (D.S.); (Y.X.); (F.Y.); (J.W.)
- Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
| | - Lin He
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; (Y.H.); (S.W.); (D.S.); (Y.X.); (F.Y.); (J.W.)
- Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
- State Cultivation Base of Crop Stress Biology for Southern Mountainous Land of Southwest University, Southwest University, Chongqing 400715, China
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32
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Heo KS, Ryoo JJ. Synthesis and Application of New Calix[4]Arenes‐Containing (
R
)‐Phenylglycinol Chiral Stationary Phases for Enantioseparation. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.12063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Kyu Sung Heo
- Department of ChemistryKyungpook National University Daegu 702‐701 South Korea
| | - Jae Jeong Ryoo
- Department of Chemistry EducationKyungpook National University Daegu 702‐701 South Korea
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33
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Nie L, Yohannes A, Yao S. Recent advances in the enantioseparation promoted by ionic liquids and their resolution mechanisms. J Chromatogr A 2020; 1626:461384. [PMID: 32797857 DOI: 10.1016/j.chroma.2020.461384] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 06/28/2020] [Accepted: 06/30/2020] [Indexed: 12/16/2022]
Abstract
More and more various chemical media are being applied in enantioseparation; among them, ionic liquids (ILs) have attracted the long-term attention in this decade as green designable solvents. This paper provides comprehensive overview for the applications of ILs in chiral extraction, gas chromatography, liquid chromatography, capillary electrophoresis and other techniques for enantioseparation. Additionally, the important resolution mechanisms based on ILs have also been summarized and discussed. This review focuses on the latest development of enantioseparation methods by using ILs in various modes, leading to meaningful and valuable information to related fields and thus promotes further research and application of reported methods.
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Affiliation(s)
- Lirong Nie
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China
| | - Alula Yohannes
- School of Chemical Engineering, Sichuan University, No.24 South Section 1, Yihuan Road, Chengdu 610065, China
| | - Shun Yao
- School of Chemical Engineering, Sichuan University, No.24 South Section 1, Yihuan Road, Chengdu 610065, China.
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34
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Raikar P, Bannimath G. Recent Trends in Chiral Separation-A Collective Paradigm of Selected Chiral Impurities. CURR PHARM ANAL 2020. [DOI: 10.2174/1573412915666181219144507] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Chiral separation plays a very important role in the modern pharmaceutical analysis and will
continue in upcoming years. Separation and identification of chiral impurities are indispensable. According
to ICH guidelines, only the active enantiomer of the drug has to be marketed, so there is a focus
on separation of the inactive enantiomer which acts as a chiral impurity. The impurities present in the
enantiomers also pose various toxic adverse effects on bioavailability and efficacy, hence the need to
separate these impurities will forever be trending. This review primarily focuses on the separation techniques
like Capillary Electrophoresis (CE), High-Performance Liquid Chromatography (HPLC), Gas
Chromatography (GC), and Supercritical Fluid Chromatography (SFC) followed by the year-wise trend
in the separation of selected chiral impurities. In the coming years, researchers should work on using
ultra-fast, selective, and sensitive methods for the effective separation of chiral impurities.
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Affiliation(s)
- Prachi Raikar
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research, SS Nagar, Mysuru 570015, India
| | - Gurupadayya Bannimath
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research, SS Nagar, Mysuru 570015, India
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35
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Stereoselective synthesis of the key intermediate of ticagrelor and its diverse analogs using a new alcohol dehydrogenase from Rhodococcus kyotonensis. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.01.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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36
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Harfouche LC, Brandel C, Cartigny Y, Petit S, Coquerel G. Resolution by Preferential Crystallization of Proxyphylline by Using Its Salicylic Acid Monohydrate Co‐Crystal. Chem Eng Technol 2020. [DOI: 10.1002/ceat.202000040] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
| | - Clément Brandel
- University of Rouen, SMSNormandie University 76000 Rouen France
| | - Yohann Cartigny
- University of Rouen, SMSNormandie University 76000 Rouen France
| | - Samuel Petit
- University of Rouen, SMSNormandie University 76000 Rouen France
| | - Gérard Coquerel
- University of Rouen, SMSNormandie University 76000 Rouen France
- National Central UniversityDepartment of Chemical and Materials Engineering 300 Zhongda Road, Zhongli District 32001 Taoyuan City Taiwan
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37
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Luo R, Han H, Liu J, Xu D, Wang Q, Fanali S, Jiang Z. Preparation and application of teicoplanin functionalized polymeric monolith for enantioseparation of chiral drugs. J Pharm Biomed Anal 2020; 182:113129. [PMID: 32036299 DOI: 10.1016/j.jpba.2020.113129] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 10/25/2022]
Abstract
A novel chiral stationary phase (CSP), based on a monolithic organic polymer chemically modified with teicoplanin, was fabricated within a 100 μm I.D. fused silica capillary. The teicoplanin was firstly derivatized with 2-isocyanatoethyl methacrylate (ICNEML) and then thermally co-polymerized with the crosslinker ethylene dimethacrylate (EDMA) in presence of porogens (methanol and dimethylsulfoxide). The optimal experimental conditions (e.g., concentration and ratio of the reagents), considering enantioresolution and permeability, were systematically investigated. The prepared monolith was evaluated using scanning electron microscopy, and the column exhibited quite good morphology. In order to further evaluate the enantioresolving power of the poly(ICNEML-teicoplanin-co-EDMA) monolith, a series of basic and acidic chiral compounds were analyzed using an isocratic mode of polar organic solvents (methanol and acetonitrile) or the same solvents in combination with water (reversed-phase) by nano-liquid chromatography. Five mandelic acids and six derivatized amino acids were enantioresolved under reversed-phase mode (Rs = 1.22-3.47 and α = 1.43-6.33). This monolithic teicoplanin-CSP was also effective in the enantioseparations of 17 amino alcohol drugs employing polar-organic phase mode (MeOH/ACN/TEA/HOAc (80/20/0.03/0.055, v/v/v/v)). Ten of them were baseline enantioresolved (alprenolol, betaxolol, clenbuterol, isoproterenol, metoprolol, pindolol, propranolol, salbutamol, sotalol, tertatolol) (Rs = 1.55-2.48 and α = 1.21-1.55), while the others were partially enantioseparated (Rs = 1.14-1.48).
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Affiliation(s)
- Rongying Luo
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Hai Han
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China; International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Jia Liu
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Dongsheng Xu
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China; Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871, Alcalá de Henares (Madrid), Spain
| | - Qiqin Wang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China; International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Salvatore Fanali
- Ph.D. School in Natural Science and Engineering, University of Verona, Strada Le Grazie, 15-37129, Verona, Italy
| | - Zhengjin Jiang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China; International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China.
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38
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Nikam SB, SK A. Enantioselective Separation Using Chiral Amino Acid Functionalized Polyfluorene Coated on Mesoporous Anodic Aluminum Oxide Membranes. Anal Chem 2020; 92:6850-6857. [DOI: 10.1021/acs.analchem.9b04699] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Shrikant B. Nikam
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
- Academy of Scientific and Innovative Research, New Delhi 110025, India
| | - Asha SK
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
- Academy of Scientific and Innovative Research, New Delhi 110025, India
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39
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Li Y, Lidskog A, Armengol‐Relats H, Pham TH, Favraud A, Nicolas M, Dawaigher S, Xiao Z, Ma D, Lindbäck E, Strand D, Wärnmark K. Enantiotopic Discrimination by Coordination‐Desymmetrized
meso
‐Ligands. ChemCatChem 2020. [DOI: 10.1002/cctc.201902243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yutang Li
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Anna Lidskog
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Helena Armengol‐Relats
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Thanh Huong Pham
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Antoine Favraud
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Maxime Nicolas
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Sami Dawaigher
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Zeyun Xiao
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Dayou Ma
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Emil Lindbäck
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
- Present address: Department of Chemistry Bioscience and Environmental Engineering Faculty of Science and TechnologyUniversity of Stavanger Stavanger NO-4036 Norway
| | - Daniel Strand
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
| | - Kenneth Wärnmark
- Centre for Analysis and Synthesis Department of ChemistryLund University Lund SE-22100 Sweden
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40
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Wattanakit C, Kuhn A. Encoding Chiral Molecular Information in Metal Structures. Chemistry 2020; 26:2993-3003. [PMID: 31724789 DOI: 10.1002/chem.201904835] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/13/2019] [Indexed: 11/07/2022]
Abstract
The concept of encoding molecular information in bulk metals has been proposed over the past decade. The structure of various types of molecules, including enantiomers, can be imprinted in achiral substrates. Typically, to encode metals with chiral information, several approaches, based on chemical and electrochemical concepts, can be used. In this Minireview, recent achievements with respect to the development of such materials are discussed, including the entrapment of chiral biomolecules in metals, the chiral imprinting of metals, as well as the combination of imprinting with nanostructuring. The features and potential applications of these designer materials, such as chirooptical properties, enantioselective adsorption and separation, as well as their use for asymmetric synthesis will be presented. This will illustrate that the development of molecularly encoded metal structures opens up very interesting perspectives, especially in the frame of chiral technologies.
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Affiliation(s)
- Chularat Wattanakit
- School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), 21210, Rayong, Thailand
| | - Alexander Kuhn
- CNRS UMR 5255, Bordeaux INP, Site ENSCBP, University of Bordeaux, 33607, Pessac, France
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41
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Payne C, Kass SR. How Reliable Are Enantiomeric Excess Measurements Obtained By Chiral HPLC? ChemistrySelect 2020. [DOI: 10.1002/slct.202000166] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Curtis Payne
- Department of Chemistry University of Minnesota 207 Pleasant Street, SE Minneapolis, Minnesota 55455 United States
| | - Steven R. Kass
- Department of Chemistry University of Minnesota 207 Pleasant Street, SE Minneapolis, Minnesota 55455 United States
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42
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Sayama D, Hatanaka M, Miyasaka M. Switching of optical‐resolution selectivity through the Onsager's reaction field: Chiral recognition of
dl
‐amino acids by hydrophilic/hydrophobic chitosans. J Appl Polym Sci 2020. [DOI: 10.1002/app.48317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Daisuke Sayama
- Material Science and EngineeringGraduate School of Engineering, Tokyo Denki University, 5 Senju‐Asahi‐cho Adachi‐ku Tokyo 120‐8551 Japan
| | - Masashi Hatanaka
- Material Science and EngineeringGraduate School of Engineering, Tokyo Denki University, 5 Senju‐Asahi‐cho Adachi‐ku Tokyo 120‐8551 Japan
| | - Makoto Miyasaka
- Material Science and EngineeringGraduate School of Engineering, Tokyo Denki University, 5 Senju‐Asahi‐cho Adachi‐ku Tokyo 120‐8551 Japan
- Department of Applied ChemistrySchool of Engineering, Tokyo Denki University, 5 Senju‐Asahi‐cho Adachi‐ku Tokyo 120‐8551 Japan
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43
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Separation of 4C-Substituted Pyrrolidin-2-One Derivatives on Polysaccharide-Based Coated Chiral Stationary Phases. Chromatographia 2020. [DOI: 10.1007/s10337-020-03862-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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44
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Synthesis and application of tetramethylammonium-carboxymethylated-β-cyclodextrin: A novel ionic liquid in capillary electrophoresis enantioseparation. J Pharm Biomed Anal 2020; 180:113030. [DOI: 10.1016/j.jpba.2019.113030] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/28/2019] [Accepted: 12/04/2019] [Indexed: 12/25/2022]
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45
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Sun J, Ma S, Liu B, Yu J, Guo X. A fully derivatized 4-chlorophenylcarbamate-β-cyclodextrin bonded chiral stationary phase for enhanced enantioseparation in HPLC. Talanta 2019; 204:817-825. [PMID: 31357369 DOI: 10.1016/j.talanta.2019.06.071] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 06/12/2019] [Accepted: 06/18/2019] [Indexed: 10/26/2022]
Abstract
This paper reports an effective approach for the fabrication of a per-4-chlorophenylcarbamate-β-cyclodextrin (β-CD) bonded chiral stationary phase (CPCDP) in high-performance liquid chromatography. The morphology and structure of the ligand and the chiral stationary phase (CSP) were characterized by scanning electron microscopy, transmission electron microscopy, solid state 13C nuclear magnetic resonance spectra, fourier transform infrared spectra, elemental analysis and thermogravimetric analysis. Because CPCDP was a kind of multimode enantioseparation materials, the enantioseparation of chiral compounds including twelve azole antifungal agents, five proton pump inhibitors and five dihydropyridine calcium antagonists were studied in both reversed-phase and normal-phase chromatography. All analytes were obtained enantiomeric separation. Especially, the resolution of azoles was excellent. The selectivity and resolution of voriconazole reached 15.41 and 16.80, which was an exciting achievement for the enantioseparations by β-CD based chiral stationary phases. Compared with the commercial 3,5-dimethylphenyl carbamate-β-CD based chiral stationary phase (DMP), enhanced enantioselectivities for all the above compounds (except ilaprazole) were obtained on CPCDP column, which indicated that the 4-chlorophenylcarbamate group was conducive to the chiral recognition. Chromatographic studies elucidated that enhancement of analyte-chiral substrate interactions were attributed to the inclusion complexation, π-π stacking interaction, hydrogen-bonding, dipole-dipole interaction and steric hindrance. For further study, we also prepared semi-preparative chromatographic columns to obtain a single enantiomer. In addition to excellent chromatographic performance, the prepared CD-based column is stable and much cheaper than commercial columns, which can reduce the cost of test and has a good application prospect in chiral drug analysis.
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Affiliation(s)
- Jiayi Sun
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, PR China
| | - Siman Ma
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, PR China
| | - Beibei Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, PR China
| | - Jia Yu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, PR China.
| | - Xingjie Guo
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, PR China.
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46
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Guerrero ML, Díaz AN, Sánchez FG, Corrall H. Chiral and Achiral Enantiomeric Separation of (±)-Alprenolol. OPEN CHEM 2019. [DOI: 10.1515/chem-2019-0049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractThe chiral separation of enantiomers is crucial for pharmacovigilance within drug discovery. Although a large number of prescribed medications are marketed as pure enantiomers, this is not always the case and many are in fact racemic mixtures. Drug scandals, such as that of Thalidomide in 1961, provide a clear example of the social and economic repercussions that can be caused by negligence of these chiral compounds. Two high performance liquid chromatography (HPLC) methods are presented to determine, separate and quantitate a commonly prescribed chiral beta blocker, (-)-Alprenolol. The first method utilises a chiral column to physically separate the two enantiomers of Alprenolol in 25 minutes, before quantitating with two detectors. Fluorimetry gave the better limit of detection of 0.16-0.41ng and a correlation coefficient of 0.999. The second method used an achiral column coupled with polarimetry to quantitate (-)-Alprenolol without the need for physical separation in 10 minutes. The limit of detection achieved was 27-37μg and demonstrated a correlation coefficient of -0.999.
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Affiliation(s)
- M.M. López Guerrero
- Faculty of Sciences, University of Málaga, Av. Cervantes, 2, 29071Málaga, Spain
| | - A. Navas Díaz
- Faculty of Sciences, University of Málaga, Av. Cervantes, 2, 29071Málaga, Spain
| | - F. García Sánchez
- Faculty of Sciences, University of Málaga, Av. Cervantes, 2, 29071Málaga, Spain
| | - H. Corrall
- Faculty of Sciences, University of Málaga, Av. Cervantes, 2, 29071Málaga, Spain
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47
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Separation of guaifenesin enantiomers by simulated moving bed process with four operation modes. ADSORPTION 2019. [DOI: 10.1007/s10450-019-00110-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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48
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Biaryl axially chiral derivatizing agent for simultaneous separation and sensitive detection of proteinogenic amino acid enantiomers using liquid chromatography–tandem mass spectrometry. J Chromatogr A 2019; 1593:91-101. [DOI: 10.1016/j.chroma.2019.01.075] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 01/26/2019] [Accepted: 01/29/2019] [Indexed: 02/07/2023]
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49
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Ahirrao V, Rane V, Patil K, Jadhav R, Patel A, Patil V, Yeole R. Chiral separation and thermodynamic investigation of WCK 3023: A novel oxazolidinone antibacterial agent, application to pre-clinical pharmacokinetic study. Biomed Chromatogr 2019; 33:e4566. [PMID: 31032954 DOI: 10.1002/bmc.4566] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 04/17/2019] [Accepted: 04/24/2019] [Indexed: 12/12/2022]
Abstract
A chiral liquid chromatographic method was developed and validated for the quantification of R-enantiomer impurity (RE) in WCK 3023 (S-enantiomer), a new drug substance. The separation was achieved on Chiralpak IA (amylose-based immobilized chiral stationary phase), using a mobile phase consisting of n-hexane-ethanol-trifluoroacetic acid (70:30:0.2, v/v/v) at a flow rate of 1.0 mL/min. The method was extensively validated for the quantification of RE in WCK 3023 and proved to be robust. For RE the detector response was linear over the concentration range of 0.11-5 μg/mL. The limit of quantitation and limit of detection for RE were 0.11 and 0.04 μg/mL respectively. Average recovery of the RE was in the range of 98.11-99.55%. The developed method was specific, sensitive, precise and accurate for quantitative determination of RE in WCK 3023. The impact of thermodynamic parameters on the chiral separation was evaluated. The method was employed for controlling the enantiomeric impurity in the lots of WCK 3023 used for pre-clinical studies. The method was successfully applied to evaluate the possible conversion of WCK 3023 to RE in rat serum samples during pre-clinical pharmacokinetic studies.
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Affiliation(s)
| | - Vipul Rane
- Wockhardt Research Centre, Aurangabad, India
| | - Kiran Patil
- Wockhardt Research Centre, Aurangabad, India
| | | | | | - Vijay Patil
- Wockhardt Research Centre, Aurangabad, India
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Ma S, Wang Y, Zhang H, Li Y, Ou J, Wei Y, Ye M. One-step fabrication of cinchona-based hybrid monolithic chiral stationary phases via photo-initiated thiol-ene polymerization for cLC enantioseparation. Talanta 2019; 198:432-439. [PMID: 30876583 DOI: 10.1016/j.talanta.2019.02.046] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 01/29/2019] [Accepted: 02/09/2019] [Indexed: 12/23/2022]
Abstract
Although various click polymerization reactions (thiol-ene, thiol-yne, thiol-Michael, thiol-epoxy and amine-epoxy) have been utilized to prepare either hybrid or organic monolithic columns with homogeneous network structures, there were few reports on fabrication of monolithic CSPs via click polymerization. Herein, a fast and robust approach was explored to fabricate cinchona-based monolithic hybrid CSPs via photo-initiated thiol-ene polymerization within 10 min in one step. A self-synthesized octakis(3-mercaptopropyl) octasilsesquioxane (POSS-SH) was polymerized with phenylisocyanate cinchonidine (PCD) and (+)-N,N'-diallyl-L-tartardiamide (DATDA) or 1,2,4-trivinylcyclohexane (TVCH). The resulting two kinds of as-synthesized monolithic CSPs, poly(POSS-co-DATDA-co-PCD) and poly(POSS-co-TVCH-co-PCD), were evaluated for cLC enantioseparation of acidic racemates. It was found that they exhibited different enantioseparation ability due to using different multivinyl crosslinkers. The influence of ACN content in mobile phase on the enantioseparation of acidic racemates was investigated. The separation mechanism was also discussed on the basis of a comparison of enantioseparation on two kinds of hybrid monolithic CSPs.
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Affiliation(s)
- Shujuan Ma
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710069, China
| | - Yan Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710069, China
| | - Haiyang Zhang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710069, China
| | - Ya Li
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710069, China
| | - Junjie Ou
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Yinmao Wei
- Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710069, China.
| | - Mingliang Ye
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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