1
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Zhao Y, Zhu X, Jiang W, Liu H, Wang J, Sun B. Natural and Artificial Chiral-Based Systems for Separation Applications. Crit Rev Anal Chem 2021; 53:27-45. [PMID: 34152894 DOI: 10.1080/10408347.2021.1932408] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Chiral separation has attracted much attention for basic research and industrial applications in analytical chemistry. Generally, chiral separations use natural or artificial chiral-based materials as adsorbents. To improve the precision and efficiency of chiral separation, focus has shifted from natural and synthetic adsorbents to binary combinations of materials. This review specifically summarizes the significant advancements made in natural and artificial chiral adsorbents as promising candidates for diverse drug and biomolecule separation applications as well as the remaining drawbacks and challenges for research on chiral separations. The mechanisms of chiral-based recognition and separation and history and development of natural and artificial chiral-based systems are the focus of this review. Future directions in natural and artificial chiral-based systems for practical separations and other applications are also presented.
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Affiliation(s)
- Yuan Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Xuecheng Zhu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Wei Jiang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Huilin Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Jing Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Baoguo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
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2
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Speybrouck D, Howsam M, Lipka E. Recent developments in preparative-scale supercritical fluid- and liquid chromatography for chiral separations. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.116090] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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3
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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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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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5
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Hou W, Xia J, Liu C, Li S, Wu T, Huang Y. Development of a method to screen and isolate bioactive constituents from Stellera chamaejasme by ultrafiltration and liquid chromatography combined with semi-preparative high-performance liquid chromatography and high-speed counter current chromatography. J Sep Sci 2019; 42:3421-3431. [PMID: 31529668 DOI: 10.1002/jssc.201900772] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 08/27/2019] [Accepted: 09/11/2019] [Indexed: 12/20/2022]
Abstract
A simple and efficient method based on ultrafiltration with liquid chromatography and mass spectrometry was used for the rapid screening and identification of ligands in the extracts of Stellera chamaejasme. The bound ligands, i.e. daphnoretin, isopimpinellin, chamaechromone, neochamaejasmin A, and chamaejasmine (purity of 96.8, 90.75, 91.41, 93.98, and 98.91%, respectively), were separated by semi-preparative high-performance liquid chromatography combined with high-speed counter-current chromatography. To the best of our knowledge, this is the first study to report the detection of potent lipoxidase and lactate dehydrogenase inhibitors in Stellera chamaejasme extracts. The results demonstrate that our method of ultrafiltration with liquid chromatography and mass spectrometry combined with mixed chromatography can be used to screen and confirm the bioactivity of all isolated compounds. This method also eliminates the need for separation of inactive compounds, thereby improving efficiency when studying bioactive substances. For some complex mixtures, neither semi-preparative high-performance liquid chromatography nor high-speed counter-current chromatography can purify all the target active compounds with high purity in a one-step separation. The combination of the two methods allow for efficient purification of target bioactive compounds with different polarities and physicochemical properties based on their complementary properties.
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Affiliation(s)
- Wanchao Hou
- Central Laboratory, Changchun Normal University, Changchun, P. R. China
| | - Jianli Xia
- Central Laboratory, Changchun Normal University, Changchun, P. R. China
| | - Chunming Liu
- Central Laboratory, Changchun Normal University, Changchun, P. R. China
| | - Sainan Li
- Central Laboratory, Changchun Normal University, Changchun, P. R. China
| | - Tong Wu
- Central Laboratory, Changchun Normal University, Changchun, P. R. China
| | - Yu Huang
- Central Laboratory, Changchun Normal University, Changchun, P. R. China
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6
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Gao J, Chen L, Wu Q, Li H, Dong S, Qin P, Yang F, Zhao L. Preparation and chromatographic performance of a multifunctional immobilized chiral stationary phase based on dialdehyde microcrystalline cellulose derivatives. Chirality 2019; 31:669-681. [PMID: 31318106 DOI: 10.1002/chir.23082] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 05/12/2019] [Accepted: 05/13/2019] [Indexed: 01/28/2023]
Abstract
A novel high-performance liquid chromatography (HPLC) multifunctional immobilized chiral stationary phase was prepared by bonding dialdehyde microcrystalline cellulose to aminosilica via Schiff base reaction and then derivatized with 3,5-dimethylphenyl isocyanate. The HPLC multifunctional immobilized chiral stationary phase could not only achieve chiral separation but also achieve achiral separation. Chiral separation evaluation showed that 1-(1-naphthyl)ethanol and mandelonitrile got separation in normal phase (NP) mode. Ranolazine, benzoin ethyl ether, metalaxyl, and diclofop were successfully separated in reversed phase (RP) mode. Aromatic compounds such as polycyclic aromatic hydrocarbons (PAHs), anilines, and aromatic acids were selected as analytes to investigate the achiral separation performance of the multifunctional immobilized chiral stationary phase in NP and RP modes. The achiral separation evaluation showed that six PAHs could get good separation within 10 minutes in NP mode. Four aromatic acids were well separated in RP mode. The retention mechanism of aromatic compounds on the stationary phase was discussed, founding that π-π interaction, π-π electron-donor-acceptor (EDA) interaction, and hydrogen bonding interaction played important roles during the achiral separation process. This multifunctional immobilized chiral stationary phase had the advantages of simple bonding steps, short reaction time, and no need for space arm.
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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, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Lixiao Chen
- 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, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Qi Wu
- 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, China.,University of Chinese Academy of Sciences, Beijing, 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, China
| | - Shuqing Dong
- 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, China
| | - Peng Qin
- Lanzhou Petrochemical Research Center, Lanzhou, China
| | - Fang Yang
- Lanzhou Petrochemical Research Center, Lanzhou, 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, China
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7
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Fanali S, Chankvetadze B. Some thoughts about enantioseparations in capillary electrophoresis. Electrophoresis 2019; 40:2420-2437. [PMID: 31081552 DOI: 10.1002/elps.201900144] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 04/22/2019] [Accepted: 04/23/2019] [Indexed: 12/20/2022]
Abstract
In this overview the goal of the authors was to analyze from the historical perspective the reasons of success and failure of chiral capillary electrophoresis. In addition, the current trends are analyzed, unique advantages of capillary electrophoresis are highlighted and some future directions are discussed.
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Affiliation(s)
- Salvatore Fanali
- School in Natural Science and Engineering, University of Verona, Verona, Italy
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Tbilisi, Georgia
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8
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Chen F, Ma X, Chen C, Li K, Chen S, Wen H, Gong P. A Validated Chiral-RP-UPLC-MS/MS Method for the Enantiomeric Detection of Rivaroxaban In vitro. CURR PHARM ANAL 2019. [DOI: 10.2174/1573412914666180409145403] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Rivaroxaban is the first oral, selective direct FXa inhibitor with rapid onset of
action and its biological toxicity may be related to the enantiomer.
</P><P>
Objective: The aim of the current study was to develop and validate a precise, accurate, and specific
direct Chiral-RP-UPLC-MS/MS method for the enantiomeric separation and detection of rivaroxaban
and its enantiomer.
Methods:
The present study screened various conditions of chromatographic and mass spectra, including
chromatographic column model, flow velocity, phase ratio, column temperature, and collision energy,
parent/daughter ion pairs, etc. Try to match the chromatographic and mass spectrometric conditions.
Results:
Good Rs (Rs>2.5) was achieved on a Chiralpak IC column (4.6 × 250 mm, 5µm) using
H2O:acetonitrile (10:90) as mobile phase at 25 oC column temperature. The rate of flow was set at 0.4
ml/min and enantiomers were detected by triple-quadruple tandem mass spectrometry using positive
electrospray ionization (ESI) with MRM transitions of m/z 436.07>144.95. The cone voltage and collision
energy were kept at 48 V and 28 eV, respectively. The limit of detection and quantification of (S)-
rivaroxaban were 0.39 and 1.30 ng/ml, respectively. This method was validated and found to be selective,
precise, accurate, linear and robust for the quantitative determination of chiral impurities. It is also
a good application for the blood samples analysis in vitro.
Conclusion:
Chiral-RP-UPLC-MS/MS method has entirely detected (S)-rivaroxaban and its (R)- enantiomer
in very low concentration and complex matrix directly, especially for blood samples.
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Affiliation(s)
- Fuxin Chen
- Department of Chemistry and Chemical Engineering, Xi'an University of Science & Technology, Xi'an 710054, China
| | - Xiaoxian Ma
- Department of Chemistry and Chemical Engineering, Xi'an University of Science & Technology, Xi'an 710054, China
| | - Chuangqian Chen
- Department of Chemistry and Chemical Engineering, Xi'an University of Science & Technology, Xi'an 710054, China
| | - Kanshe Li
- Department of Chemistry and Chemical Engineering, Xi'an University of Science & Technology, Xi'an 710054, China
| | - Suying Chen
- Department of Chemistry and Chemical Engineering, Xi'an University of Science & Technology, Xi'an 710054, China
| | - He Wen
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Pin Gong
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
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9
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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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10
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Hou W, Li S, Li S, Shi D, Liu C. Screening and isolation of cyclooxygenase-2 inhibitors from Trifolium pratense L. via ultrafiltration, enzyme-immobilized magnetic beads, semi-preparative high-performance liquid chromatography and high-speed counter-current chromatography. J Sep Sci 2019; 42:1133-1143. [PMID: 30620132 DOI: 10.1002/jssc.201800986] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 01/01/2019] [Accepted: 01/02/2019] [Indexed: 12/15/2022]
Abstract
Nonsteroidal anti-inflammatory drugs reportedly reduce the risk of developing cancer. One mechanism by which they reduce carcinogenesis involves the inhibition of the activity of cyclooxygenase-2, an enzyme that is overexpressed in various cancer tissues. Its overexpression increases cell proliferation and inhibits apoptosis. However, selected cyclooxygenase-2 inhibitors can also act through cyclooxygenase-independent mechanisms. In this study, using ultrafiltration, enzyme-immobilized magnetic beads, high-performance liquid chromatography, and electrospray-ionization mass spectrometry, several isoflavonoids in Trifolium pratense L. extracts were screened and identified. Semi-preparative high-performance liquid chromatography and high-speed counter-current chromatography were then applied to separate the active constituents. Using these methods, seven major compounds were identified in Trifolium pratense L. As cyclooxygenase-2 inhibitors: rothindin, ononin, daidzein, trifoside, pseudobaptigenin, formononetin, and biochanin A, which were then isolated with >92% purity. This is the first report of the presence of potent cyclooxygenase-2 inhibitors in Trifolium pratense L. extracts. The results of this study demonstrate that the systematic isolation of bioactive components from Trifolium pratense L., by using ultrafiltration, enzyme-immobilized magnetic beads, semi-preparative high-performance liquid chromatography, and high-speed counter-current chromatography, represents a feasible and efficient technique that could be extended for the identification and isolation of other enzyme inhibitors.
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Affiliation(s)
- Wanchao Hou
- Central Laboratory, Changchun Normal University, Erdao District, Changchun, P. R. China
| | - Senlin Li
- Central Laboratory, Changchun Normal University, Erdao District, Changchun, P. R. China
| | - Sainan Li
- Central Laboratory, Changchun Normal University, Erdao District, Changchun, P. R. China
| | - Dongfang Shi
- Central Laboratory, Changchun Normal University, Erdao District, Changchun, P. R. China
| | - Chunming Liu
- Central Laboratory, Changchun Normal University, Erdao District, Changchun, P. R. China
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11
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Saka C. Chromatographic Methods for Determination of Drugs Used in Prostate Cancer in Biological and Pharmacological Samples. Crit Rev Anal Chem 2018; 49:78-99. [DOI: 10.1080/10408347.2018.1487776] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Cafer Saka
- School of Healthy, Siirt University, Siirt, Turkey
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12
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Padró JM, Keunchkarian S. State-of-the-art and recent developments of immobilized polysaccharide-based chiral stationary phases for enantioseparations by high-performance liquid chromatography (2013–2017). Microchem J 2018. [DOI: 10.1016/j.microc.2018.04.017] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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13
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Enantioselective separation of racemates using CHIRALPAK IG amylose-based chiral stationary phase under normal standard, non-standard and reversed phase high performance liquid chromatography. J Chromatogr A 2018; 1532:89-97. [DOI: 10.1016/j.chroma.2017.11.049] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 11/01/2017] [Accepted: 11/21/2017] [Indexed: 11/18/2022]
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14
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Tang S, Jin Z, Sun B, Wang F, Tang W. Preparation and evaluation of regioselectively substituted amylose derivatives for chiral separations. Chirality 2017. [DOI: 10.1002/chir.22720] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shouwan Tang
- Department of Chemistry, College of Pharmaceutical and Chemical Engineering; Taizhou University; Taizhou People's Republic of China
| | - Zhaolei Jin
- College of Pharmaceutical Science; Zhejiang University; Hangzhou People's Republic of China
| | - Baishen Sun
- Department of Chemistry, College of Pharmaceutical and Chemical Engineering; Taizhou University; Taizhou People's Republic of China
| | - Fang Wang
- Department of Chemistry, College of Pharmaceutical and Chemical Engineering; Taizhou University; Taizhou People's Republic of China
| | - Wenyuan Tang
- Department of Chemistry, College of Pharmaceutical and Chemical Engineering; Taizhou University; Taizhou People's Republic of China
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15
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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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16
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Abstract
The antiepileptic eslicarbazepine (S-licarbazepine) has been prepared in one step from its racemic formRS-licarbazepinevialipase catalysed kinetic resolution.
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Affiliation(s)
- M. F. El-Behairy
- Medicinal and Pharmaceutical Chemistry Department
- Pharmaceutical and Drug Industries Research Division
- National Research Centre (ID 60014618)
- Giza
- Egypt
| | - E. Sundby
- Norwegian University of Science and Technology
- Institute of Chemistry and Material Technology
- Faculty of Technology
- NTNU
- 7491 Trondheim
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