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Kaya C, Birgül K, Bülbül B. Fundamentals of chirality, resolution, and enantiopure molecule synthesis methods. Chirality 2023; 35:4-28. [PMID: 36366874 DOI: 10.1002/chir.23512] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/23/2022] [Accepted: 10/11/2022] [Indexed: 11/13/2022]
Abstract
The chirality of molecules is a concept that explains the interactions in nature. We may observe the same formula but different organizations revolving around the chiral center. Since Pasteur's meticulous observation of sodium ammonium tartrate crystals' structure, scientists have discovered many features of chiral molecules. The number of newly approved single enantiomeric drugs increases every year and takes place in the market. Thus, separation or resolution methods of racemic mixtures are of continued importance in the efficacy of drugs, installation of affordable production processes, and convenient synthetic chemistry practice. This article presents the asymmetric synthesis approaches and the classification of direct resolution methods of chiral molecules.
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Affiliation(s)
- Cem Kaya
- Department of Pharmacy, Haydarpasa Numune Training and Research Hospital, İstanbul, Turkey.,Department of Pharmaceutical Chemistry, School of Pharmacy, Altınbaş University, İstanbul, Turkey
| | - Kaan Birgül
- Department of Pharmaceutical Chemistry, School of Pharmacy, Bahçeşehir University, İstanbul, Turkey
| | - Bahadır Bülbül
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Düzce University, Düzce, Turkey
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2
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Chen W, Zhang G, Wang J, Qiu G, Bai Z. Influence of phenyl group number on enantioseparation performance of chitosan‐based materials. J Appl Polym Sci 2020. [DOI: 10.1002/app.50144] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Wei Chen
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan P. R. China
| | - Gui‐Hua Zhang
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan P. R. China
| | - Jing Wang
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan P. R. China
| | - Guo‐Song Qiu
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan P. R. China
| | - Zheng‐Wu Bai
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan P. R. China
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4
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Gao J, Quan K, Li H, Li Z, Zhao L, Qiu H. Preparation and evaluation of biselector bonded-type multifunctional chiral stationary phase based on dialdehyde cellulose and 6-monodeoxy-6-monoamino-β-cyclodextrine derivatives. Chirality 2020; 32:387-399. [PMID: 31965651 DOI: 10.1002/chir.23174] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 12/18/2019] [Accepted: 01/08/2020] [Indexed: 12/21/2022]
Abstract
A novel biselector bonded-type multifunctional chiral stationary phase (MCSP) was prepared by covalently crosslinking dialdehyde cellulose (DAC) with 6-monodeoxy-6-monoamino-β-cyclodextrine (CD) via Schiff base reaction. The biselector bonded-type MCSP had good chiral and achiral chromatographic performance in normal phase (NP) and reversed phase (RP) modes. Seven and eight enantiomers were successfully separated on the prepared biselector bonded-type MCSP in NP and RP modes, respectively. The biselector bonded-type MCSP showed enhanced chiral resolution ability compared with single selector chiral stationary phases due to the simultaneous introduction of DAC and 6-monodeoxy-6-monoamino-β-CD on the surface of silica gel. Aromatic compounds including polycyclic aromatic hydrocarbons, anilines, phenols, phenylates, and aromatic acids were choosed as analytes to investigate the achiral chromatographic performance of the biselector bonded-type MCSP in NP and RP modes. Chromatographic evaluation results showed that the above aromatic compounds were essentially capable of achieving baseline separation by hydrophobic interaction, π-π interaction, and π-π electron-donor-acceptor interaction. Moreover, the host-guest inclusion effect of 6-monodeoxy-6-monoamino-β-CD and the multiple interactions made the biselector bonded-type MCSP have good steric selectivity. The preparation method of the biselector bonded-type MCSP was simple and provided a new idea and strategy for the preparation of the subsequent novel biselector MCSP.
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Affiliation(s)
- Jie Gao
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China.,University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Kaijun Quan
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China
| | - Hui Li
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China
| | - Zhan Li
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China
| | - Liang Zhao
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China
| | - Hongdeng Qiu
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China
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Teixeira J, Tiritan ME, Pinto MMM, Fernandes C. Chiral Stationary Phases for Liquid Chromatography: Recent Developments. Molecules 2019; 24:E865. [PMID: 30823495 PMCID: PMC6429359 DOI: 10.3390/molecules24050865] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/17/2019] [Accepted: 02/26/2019] [Indexed: 12/13/2022] Open
Abstract
The planning and development of new chiral stationary phases (CSPs) for liquid chromatography (LC) are considered as continuous and evolutionary issues since the introduction of the first CSP in 1938. The main objectives of the development strategies were to attempt the improvement of the chromatographic enantioresolution performance of the CSPs as well as enlarge their versatility and range of applications. Additionally, the transition to ultra-high-performance LC were underscored. The most recent strategies have comprised the introduction of new chiral selectors, the use of new materials as chromatographic supports or the reduction of its particle size, and the application of different synthetic approaches for preparation of CSPs. This review gathered the most recent developments associated to the different types of CSPs providing an overview of the relevant advances that are arising on LC.
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Affiliation(s)
- Joana Teixeira
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Maria Elizabeth Tiritan
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Edifício do Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4050-208 Matosinhos, Portugal.
- Cooperativa de Ensino Superior, Politécnico e Universitário (CESPU), Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde (IINFACTS), Rua Central de Gandra, 1317, 4585-116 Gandra PRD, Portugal.
| | - Madalena M M Pinto
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Edifício do Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4050-208 Matosinhos, Portugal.
| | - Carla Fernandes
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Edifício do Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4050-208 Matosinhos, Portugal.
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Xie SM, Yuan LM. Recent development trends for chiral stationary phases based on chitosan derivatives, cyclofructan derivatives and chiral porous materials in high performance liquid chromatography. J Sep Sci 2018; 42:6-20. [PMID: 30152091 DOI: 10.1002/jssc.201800656] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/20/2018] [Accepted: 08/20/2018] [Indexed: 11/06/2022]
Abstract
The separation of enantiomers by chromatographic methods, such as gas chromatography, high-performance liquid chromatography and capillary electrochromatography, has become an increasingly significant challenge over the past few decades due to the demand of pharmaceutical, agrochemical, and food analysis. Among these chromatographic resolution methods, high-performance liquid chromatography based on chiral stationary phases has become the most popular and effective method used for the analytical and preparative separation of optically active compounds. This review mainly focuses on the recent development trends for novel chiral stationary phases based on chitosan derivatives, cyclofructan derivatives, and chiral porous materials that include metal-organic frameworks and covalent organic frameworks in high-performance liquid chromatography. The enantioseparation performance and chiral recognition mechanisms of these newly developed chiral selectors toward enantiomers are discussed in detail.
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Affiliation(s)
- Sheng-Ming Xie
- Department of Chemistry, Yunnan Normal University, Kunming, P. R. China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming, P. R. China
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Tang S, Mei X, Chen W, Huang SH, Bai ZW. A high-performance chiral selector derived from chitosan (p-methylbenzylurea) for efficient enantiomer separation. Talanta 2018; 185:42-52. [PMID: 29759222 DOI: 10.1016/j.talanta.2018.03.048] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 03/02/2018] [Accepted: 03/14/2018] [Indexed: 12/11/2022]
Abstract
N-Methoxycarbonyl chitosan was prepared by selectively modifying the amino group at the 2-position of chitosan with methyl chloroformate, which was further functionalized with p-methylbenzylamine to produce chitosan (p-methylbenzylurea). Then, the hydroxyl groups at the 3- and 6-positions of the glucose skeleton were modified with various phenyl isocyanates, affording a series of chitosan 3,6-bis(arylcarbamate)-2-(p-methylbenzylurea)s, which were characterized and proposed as chiral selectors for enantiomer separation. Nineteen racemates, most of which are drugs or intermediates for drugs, were selected as the model analytes to evaluate the enantioseparation performance. The structure-performance relationship of the chiral selectors was investigated in detail. It was found that the methyl-substituted chiral selectors possessed more preferable enantioseparation performance compared with the chloro-substituted ones, and the chiral selectors containing a methyl substituent at the 4-position of the benzene ring showed the best chiral recognition and separation ability with 17 racemates being recognized and 13 racemates being baseline separated. The prepared chiral separation materials derived from these chiral selectors exhibited favorable solvent tolerance towards ethyl acetate, acetone, chloroform and a low proportion of tetrahydrofuran in normal phase. To sum up, this work provided a useful reference for the design and preparation of high-performance chiral separation materials for efficient enantiomer separation.
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Affiliation(s)
- Sheng Tang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Xiaomeng Mei
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Wei Chen
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Shao-Hua Huang
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
| | - Zheng-Wu Bai
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China.
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Chiral Stationary Phases for Liquid Chromatography Based on Chitin- and Chitosan-Derived Marine Polysaccharides. Symmetry (Basel) 2017. [DOI: 10.3390/sym9090190] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Feng ZW, Qiu GS, Mei XM, Liang S, Yang F, Huang SH, Chen W, Bai ZW. Structural dependence on the property of chiral stationary phases derived from chitosan bis(arylcarbamate)-(amide)s. Carbohydr Polym 2017; 168:301-309. [PMID: 28457453 DOI: 10.1016/j.carbpol.2017.03.052] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 03/12/2017] [Accepted: 03/14/2017] [Indexed: 01/02/2023]
Abstract
The goal of present study was to investigate the structural dependence of chitosan derivatives on enantioseparation and mobile phase tolerance of the corresponding chiral packing materials for liquid chromatography. Hence, a series of chitosan bis(arylcarbamate)-(n-pentyl amide)s and the related chiral stationary phases (CSPs) were prepared from chitosans with different molecular weights. Because of the H-bond formed via CH3-π interaction, the CSP bearing methyl substituent exhibited high tolerance than the ones bearing dichloro substituents. The CSP derived from the chitosan bis(3,5-dichlorophenylcarbamate)-(n-pentyl amide) with a higher molecular weight possessed high tolerance to mobile phases, whereas the enantioseparation capability of this CSP was not as good as that of the one prepared from the chitosan derivative with a lower molecular weight. Therefore, enantioseparation capability and mobile phase tolerance have to be counterbalanced in designing chiral selectors for the CSPs derived from chitosan bis(arylcarbamate)-(amide)s.
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Affiliation(s)
- Zi-Wei Feng
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, PR China
| | - Guo-Song Qiu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, PR China
| | - Xiao-Meng Mei
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, PR China
| | - Shuang Liang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, PR China
| | - Fei Yang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, PR China
| | - Shao-Hua Huang
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, PR China
| | - Wei Chen
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, PR China
| | - Zheng-Wu Bai
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, PR China.
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Wang J, Xi JB, Chen W, Huang SH, Bai ZW. High performance chiral separation materials based on chitosan bis(3,5-dimethylphenylcarbamate)-(alkyl urea)s. Carbohydr Polym 2016; 156:481-489. [PMID: 27842849 DOI: 10.1016/j.carbpol.2016.09.047] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Revised: 08/28/2016] [Accepted: 09/14/2016] [Indexed: 11/27/2022]
Abstract
Enantioseparation plays an important role for many fields and for pharmaceutical industry in particular. Chiral stationary phase (CSP) is the core of chiral liquid chromatography that effectively implements enantioseparation. In order to develop coated type CSPs with excellent enantioseparation capability and high tolerance against mobile phases, in this work, a series of chitosan bis(3,5-dimethylphenylcarbamate)-(alkyl urea)s were synthesized, which were coated on 3-aminopropyl silica gel to afford new CSPs. Owing to strong hydrogen bonds formed among the synthesized derivatives, the supra-structure of the derivatives should be highly ordered. Hence, these CSPs could provide excellent separation capability and could tolerate common organic solvents that are usually prohibited for coated type CSPs of cellulose and amylose derivatives. Therefore the newly prepared CSPs exhibited promising prospects for enantioseparation of chiral compounds.
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Affiliation(s)
- Jing Wang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
| | - Jiang-Bo Xi
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
| | - Wei Chen
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
| | - Shao-Hua Huang
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
| | - Zheng-Wu Bai
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China.
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Zhang J, Wang XC, Chen W, Bai ZW. Synthesis of substituted phenylcarbamates of N-cyclobutylformylated chitosan and their application as chiral selectors in enantioseparation. Analyst 2016; 141:4470-80. [DOI: 10.1039/c6an00311g] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
New CSPs exhibited high tolerability to common organic solvents, and most of them possessed excellent enantioseparation capability.
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Affiliation(s)
- Juan Zhang
- School of Chemistry and Environmental Engineering
- Wuhan Institute of Technology
- Wuhan 430073
- China
| | - Xiao-Chen Wang
- School of Chemistry and Environmental Engineering
- Wuhan Institute of Technology
- Wuhan 430073
- China
| | - Wei Chen
- School of Chemistry and Environmental Engineering
- Wuhan Institute of Technology
- Wuhan 430073
- China
| | - Zheng-Wu Bai
- School of Chemistry and Environmental Engineering
- Wuhan Institute of Technology
- Wuhan 430073
- China
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