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Vardhan G, Kumar V, Sahu PL, Prakash A, Prasad R, Handu S, Nath UK, Dhamija P. A Validated Chiral Chromatography Method for Enantiomeric Separation of Pomalidomide in Human Plasma. J Chromatogr Sci 2024:bmae026. [PMID: 38745428 DOI: 10.1093/chromsci/bmae026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 04/12/2024] [Indexed: 05/16/2024]
Abstract
In the present work, new chiral stationary phase high-performance liquid chromatography (CSP-HPLC) method was established and validated for the quantification of pomalidomide (PMD) enantiomers in human plasma. The chromatographic enantiomeric separation was achieved on a Daicel-CSP, Chiralpack IA 4.6 × 250 mm, 5 μm; because of its advantages of high degree of retention, high resolution capacity, better reproducibility, ability to produce lower back pressure and low degree of tailing. The mobile phase was maintained as methanol: glacial acetic acid (499.50 ml:50 μL). Ultraviolet wavelength for detection was 220 nm. PMD enantiomer-I and enantiomer-II were separated at 8.83 and 15.34 min, respectively. Limit of detection and limit of quantification for each enantiomer and the calibration curve of standard PMD was linear in range between 10-5,000 ng mL-1. The method was validated according to The International Council for Harmonisation of Technical Requirements of Pharmaceuticals for Human Use (ICH(Q2R1)) specific guidelines. We found no interference peak with PMD chromatogram obtained. This is a simple, reliable and specific method for detection and quantification of enantiomer of PMD in human plasma sample.
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Affiliation(s)
- Gyan Vardhan
- Department of Pharmacology, All India Institute of Medical Sciences, Rishikesh, Dehradun-249203, Uttarakhand, India
| | - Vikas Kumar
- Department of Pharmacology, All India Institute of Medical Sciences, Bathinda-151001, Punjab, India
| | - Puran Lal Sahu
- National Dope Testing Laboratory, JLN Stadium-G.10, New Delhi, 110003, India
| | - Anuj Prakash
- Analytical Division, Indian Pharmacopeia Commission, Ghaziabad 201002, UP, India
| | - Ramasare Prasad
- Department of Biotechnology, Indian Institute of Technology, Roorkee-247667, Uttarakhand India
| | - Shailendra Handu
- Department of Pharmacology, All India Institute of Medical Sciences, Rishikesh, Dehradun-249203, Uttarakhand, India
| | - Uttam Kumar Nath
- Department of Medical Oncology and Hematology, All India Institute of Medical Sciences, Rishikesh-249203, Dehradun, Uttarakhand, India
| | - Puneet Dhamija
- Department of Pharmacology, All India Institute of Medical Sciences, Rishikesh, Dehradun-249203, Uttarakhand, India
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2
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Kaya C, Birgül K, Bülbül B. Fundamentals of chirality, resolution, and enantiopure molecule synthesis methods. Chirality 2023; 35:4-28. [PMID: 36366874 DOI: 10.1002/chir.23512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/23/2022] [Accepted: 10/11/2022] [Indexed: 11/13/2022]
Abstract
The chirality of molecules is a concept that explains the interactions in nature. We may observe the same formula but different organizations revolving around the chiral center. Since Pasteur's meticulous observation of sodium ammonium tartrate crystals' structure, scientists have discovered many features of chiral molecules. The number of newly approved single enantiomeric drugs increases every year and takes place in the market. Thus, separation or resolution methods of racemic mixtures are of continued importance in the efficacy of drugs, installation of affordable production processes, and convenient synthetic chemistry practice. This article presents the asymmetric synthesis approaches and the classification of direct resolution methods of chiral molecules.
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Affiliation(s)
- Cem Kaya
- Department of Pharmacy, Haydarpasa Numune Training and Research Hospital, İstanbul, Turkey.,Department of Pharmaceutical Chemistry, School of Pharmacy, Altınbaş University, İstanbul, Turkey
| | - Kaan Birgül
- Department of Pharmaceutical Chemistry, School of Pharmacy, Bahçeşehir University, İstanbul, Turkey
| | - Bahadır Bülbül
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Düzce University, Düzce, Turkey
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3
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Shu C, Li TF, Li D, Li ZQ, Xia XH. A sensitive and validated LC-MS/MS method for high-throughput determination of pomalidomide in human plasma and pharmacokinetic studies. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.07.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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4
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Comparative Chiral Separation of Thalidomide Class of Drugs Using Polysaccharide-Type Stationary Phases with Emphasis on Elution Order and Hysteresis in Polar Organic Mode. Molecules 2021; 27:molecules27010111. [PMID: 35011343 PMCID: PMC8746373 DOI: 10.3390/molecules27010111] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/16/2021] [Accepted: 12/22/2021] [Indexed: 01/10/2023] Open
Abstract
The enantioseparation of four phthalimide derivatives (thalidomide, pomalidomide, lenalidomide and apremilast) was investigated on five different polysaccharide-type stationary phases (Chiralpak AD, Chiralpak AS, Lux Amylose-2, Chiralcel OD and Chiralcel OJ-H) using neat methanol (MeOH), ethanol (EtOH), 1-propanol (PROP), 2-propanol (IPA) and acetonitrile (ACN) as polar organic mobile phases and also in combination. Along with the separation capacity of the applied systems, our study also focuses on the elution sequences, the effect of mobile phase mixtures and the hysteresis of retention and selectivity. Although on several cases extremely high resolutions (Rs > 10) were observed for certain compounds, among the tested conditions only Chiralcel OJ-H column with MeOH was successful for baseline-separation of all investigated drugs. Chiral selector- and mobile-phase-dependent reversals of elution order were observed. Reversal of elution order and hysteresis of retention and enantioselectivity were further investigated using different eluent mixtures on Chiralpak AD, Chiralcel OD and Lux Amylose-2 column. In an IPA/MeOH mixture, enantiomer elution-order reversal was observed depending on the eluent composition. Furthermore, in eluent mixtures, enantioselectivity depends on the direction from which the composition of the eluent is approached, regardless of the eluent pair used on amylose-based columns. Using a mixture of polar alcohols not only the selectivities but the enantiomer elution order can also be fine-tuned on Chiralpak AD column, which opens up the possibility of a new type of chiral screening strategy.
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5
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Zheng Y, Wan M, Zhou J, Dai X, Yang H, Xia Z, Wang L. One-pot method for the synthesis of β-cyclodextrin and covalent organic framework functionalized chiral stationary phase with mixed-mode retention mechanism. J Chromatogr A 2021; 1662:462731. [PMID: 34915189 DOI: 10.1016/j.chroma.2021.462731] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 11/17/2021] [Accepted: 12/02/2021] [Indexed: 11/30/2022]
Abstract
As a welcomed porous material, covalent organic frameworks (COFs) have many advantages and are widely used in various aspects. Particularly, COFs have aroused great attentions of scientists in chromatographic separation field due to their outstanding advantages, such as high stability, large specific surface area and multiple voids. However, endowing COFs with chirality to construct chiral stationary phase (CSP) function is still facing many challenges. Here, we firstly prepared a β-cyclodextrin (β-CD) and covalent organic framework functional silica CSP named as COF@CD@SiO2 by one-pot method to perform high performance liquid chromatography (HPLC) chiral separation. The morphology and structure of the synthesized stationary phase were investigated by a variety of characterization methods including Fourier transform infrared spectrometry (FT-IR), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), N2 adsorption experiment, powder X-ray diffraction (XRD) and elemental analysis (EA). The prepared stationary phase realized fast separation of six enantiomers in a short time. The separation mechanism was mainly ascribed to the inclusion complexation of β-cyclodextrin and the mutli-interaction sites from COFs material. In conclusion, the prepared chiral column can be used to achieve fast separation of enantiomers with good stability and reproducibility. These results can open new avenue for using chiral COFs in liquid chromatographic separation.
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Affiliation(s)
- Yunchao Zheng
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Meijun Wan
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Jingqiu Zhou
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Xuemei Dai
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Honglin Yang
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Zhining Xia
- School of Pharmacy, Chongqing University, Chongqing 401331, China.
| | - Lujun Wang
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China; Key Laboratory of Medical Electrophysiology, Ministry of Education, Institute of Cardiovascular Research of Southwest Medical University, Luzhou, Sichuan 646000, China.
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6
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Inclusion complexation of the anticancer drug pomalidomide with cyclodextrins: fast dissolution and improved solubility. Heliyon 2021; 7:e07581. [PMID: 34355087 PMCID: PMC8321930 DOI: 10.1016/j.heliyon.2021.e07581] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/06/2021] [Accepted: 07/12/2021] [Indexed: 12/27/2022] Open
Abstract
Pomalidomide (POM), a potent anticancer thalidomide analogue was characterized in terms of cyclodextrin complexation to improve its aqueous solubility and maintain its anti-angiogenic activity. The most promising cyclodextrin derivatives were selected by phase-solubility studies. From the investigated nine cyclodextrins - differing in cavity size, nature of substituents, degree of substitution and charge - the highest solubility increase was observed with sulfobutylether-β-cyclodextrin (SBE-β-CD). The inclusion complexation between POM and SBE-β-CD was further characterized with a wide variety of state-of-the-art analytical techniques, such as nuclear magnetic resonance spectroscopy (NMR), infrared spectroscopy (IR), circular dichroism spectroscopy, fluorescence spectroscopy as well as X-ray powder diffraction method (XRD). Job plot titration by NMR and the AL-type phase-solubility diagram indicated 1:1 stoichiometry in a liquid state. Complementary analytical methods were employed for the determination of the stability constant of the complex; the advantages and disadvantages of the different approaches are also discussed. Inclusion complex formation was also assessed by molecular modelling study. Solid state complexation in a 1:1 M ratio was carried out by lyophilization and investigated by IR and XRD. The complex exhibited fast-dissolution with immediate release of POM, when compared to the pure drug at acidic and neutral pH. Kinetic analysis of POM release from lyophilized complex shows that Korsmeyer-Peppas and Weibull model described the best the dissolution kinetics. The cytotoxicity of the complex was tested against the LP-1 human myeloma cell line which revealed that supramolecular interactions did not significantly affect the anti-cancer activity of the drug. Overall, our results suggest that the inclusion complexation of POM with SBE-β-CD could be a promising approach for developing more effective POM formulations with increased solubility.
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7
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Afzali M, Mostafavi A, Afzali Z, Shamspur T. Designing a rapid and selective electrochemical nanosensor based on molecularly imprinted polymer on the Fe3O4/MoS2/glassy carbon electrode for detection of immunomodulatory drug pomalidomide. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106039] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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8
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Negatively charged cyclodextrins: Synthesis and applications in chiral analysis-A review. Carbohydr Polym 2020; 256:117517. [PMID: 33483038 DOI: 10.1016/j.carbpol.2020.117517] [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: 10/07/2020] [Revised: 12/02/2020] [Accepted: 12/11/2020] [Indexed: 12/12/2022]
Abstract
The negatively charged cyclodextrins (CDs) play an important role in chiral analysis due to the additional electrostatic effect beyond the host-guest inclusion, especially in enantioanalysis of positively charged and electrically neutral analytes. This review presents recent advances in application of anionic CDs for enantioanalysis during the past five years. Firstly, the synthesis approaches of random substitution and single isomers of anionic CDs are briefly discussed. The main part focuses on the chiral analysis using anionic CDs in various analytical techniques, including capillary electrophoresis, high-performance liquid chromatography, capillary electrochromatography, counter current chromatography, nuclear magnetic resonance, etc. Particular attention is given to the capillary electrophoresis application since charged CDs could be used as a carrier of enantiomers by virtue of their self-mobility and offer an easy adjustment of the enantiomer migration order. Finally, future opportunities are also discussed in the conclusion of this review.
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9
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Aydoğmuş Z, Yılmaz EM, Yildiz G. A simple and rapid spectrofluorometric determination of pomalidomide in spiked plasma and urine. Application to degradation studies. LUMINESCENCE 2019; 35:466-477. [PMID: 31851418 DOI: 10.1002/bio.3748] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 11/03/2019] [Accepted: 11/07/2019] [Indexed: 01/02/2023]
Abstract
A rapid and accurate spectrofluorimetric method for the determination of pomalidomide was developed and validated based on the measurement of its native fluorescence without the need for any derivatization and separation for the first time. The fluorescence intensity of the drug in acetonitrile solution allowed precise detection at 460 nm after excitation at 296 nm. The calibration curve was linear in the concentration range 31.0-500.0 ng/ml. Limit of detection and limit of quantification were found to be 8.04 and 24.36 ng/ml, respectively. Sensitive results allowed the drug to be detected with good recovery (75.46-109.72%) in human plasma and urine using the developed method. The proposed method was validated in terms of linearity, sensitivity, precision, accuracy, recovery, and stability parameters. Pomalidomide was subjected to degradation under various stress conditions (hydrolytic, oxidative and thermal) to demonstrate that the method was stable, indicating and identifying possible degradation products. In addition, the drug was exposed to electrochemical degradation using the chronoamperometry technique for the first time. Characterization of pomalidomide degradation products obtained because of oxidative degradation and electrochemical degradation was carried out using attenuated total reflection Fourier transform infrared spectroscopy, mass spectrometry and high performance liquid chromatography - mass spectrometry methods and possible structures were proposed.
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Affiliation(s)
- Z Aydoğmuş
- Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul University, Beyazıt, Istanbul, Turkey
| | - E M Yılmaz
- Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul University, Beyazıt, Istanbul, Turkey
| | - G Yildiz
- Department of Chemistry, Faculty of Science and Letters, Istanbul Technical University, Maslak, Istanbul, Turkey
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10
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Papp LA, Foroughbakhshfasaei M, Fiser B, Horváth P, Kiss E, Sekkoum K, Gyéresi Á, Hancu G, Noszál B, Szabó ZI, Tóth G. Reversed-phase HPLC enantioseparation of pantoprazole using a teicoplanin aglycone stationary phase-Determination of the enantiomer elution order using HPLC-CD analyses. Chirality 2019; 32:158-167. [PMID: 31795019 DOI: 10.1002/chir.23146] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/11/2019] [Accepted: 10/16/2019] [Indexed: 01/27/2023]
Abstract
A direct HPLC method was developed for the enantioseparation of pantoprazole using macrocyclic glycopeptide-based chiral stationary phases, along with various methods to determine the elution order without isolation of the individual enantiomers. In the preliminary screening, four macrocyclic glycopeptide-based chiral stationary phases containing vancomycin (Chirobiotic V), ristocetin A (Chirobiotic R), teicoplanin (Chirobiotic T), and teicoplanin-aglycone (Chirobiotic TAG) were screened in polar organic and reversed-phase mode. Best results were achieved by using Chirobiotic TAG column and a methanol-water mixture as mobile phase. Further method optimization was performed using a face-centered central composite design to achieve the highest chiral resolution. Optimized parameters, offering baseline separation (resolution = 1.91 ± 0.03) were as follows: Chirobiotic TAG stationary phase, thermostated at 10°C, mobile phase consisting of methanol/20mM ammonium acetate 60:40 v/v, and 0.6 mL/min flow rate. Enantiomer elution order was determined using HPLC hyphenated with circular dichroism (CD) spectroscopy detection. The online CD signals of the separated pantoprazole enantiomers at selected wavelengths were compared with the structurally analogous esomeprazole enantiomer. For further verification, the inline rapid, multiscan CD signals were compared with the quantum chemically calculated CD spectra. Furthermore, docking calculations were used to investigate the enantiorecognition at molecular level. The molecular docking shows that the R-enantiomer binds stronger to the chiral selector than its antipode, which is in accordance with the determined elution order on the column-S- followed by the R-isomer. Thus, combined methods, HPLC-CD and theoretical calculations, are highly efficient in predicting the elution order of enantiomers.
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Affiliation(s)
- Lajos Attila Papp
- Department of Pharmaceutical Chemistry, University of Medicine, Pharmacy, Sciences and Tehnology, Târgu Mureş, Romania
| | | | - Béla Fiser
- Institue of Chemistry, Faculty of Materials Science and Engineering, University of Miskolc, Miskolc, Hungary.,Ferenc Rákóczi II. Transcarpathian Hungarian Institute, Beregszász, Transcarpathia, Ukraine
| | - Péter Horváth
- Department of Pharmaceutical Chemistry, Semmelweis University, Budapest, Hungary
| | - Eszter Kiss
- Department of Pharmaceutical Chemistry, Semmelweis University, Budapest, Hungary
| | - Khaled Sekkoum
- Bioactive Molecules and Chiral Separation Laboratory, Faculty of Science and Technology, University of Béchar, Béchar, Algeria
| | - Árpád Gyéresi
- Department of Pharmaceutical Chemistry, University of Medicine, Pharmacy, Sciences and Tehnology, Târgu Mureş, Romania
| | - Gabriel Hancu
- Department of Pharmaceutical Chemistry, University of Medicine, Pharmacy, Sciences and Tehnology, Târgu Mureş, Romania
| | - Béla Noszál
- Department of Pharmaceutical Chemistry, Semmelweis University, Budapest, Hungary
| | - Zoltán-István Szabó
- Department of Drugs Industry and Pharmaceutical Management, University of Medicine, Pharmacy, Sciences and Technology, Târgu Mureș, Romania
| | - Gergő Tóth
- Department of Pharmaceutical Chemistry, Semmelweis University, Budapest, Hungary
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11
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Scriba GK. Chiral recognition in separation sciences. Part I: Polysaccharide and cyclodextrin selectors. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.115639] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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12
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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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Folprechtová D, Kalíková K, Kozlík P, Tesařová E. The degree of substitution affects the enantioselectivity of sulfobutylether-β-cyclodextrin chiral stationary phases. Electrophoresis 2019; 40:1972-1977. [DOI: 10.1002/elps.201800471] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 01/17/2019] [Accepted: 01/17/2019] [Indexed: 01/30/2023]
Affiliation(s)
- Denisa Folprechtová
- Department of Physical and Macromolecular Chemistry, Faculty of Science; Charles University; Prague Czech Republic
| | - Květa Kalíková
- Department of Physical and Macromolecular Chemistry, Faculty of Science; Charles University; Prague Czech Republic
| | - Petr Kozlík
- Department of Analytical Chemistry, Faculty of Science; Charles University; Prague Czech Republic
| | - Eva Tesařová
- Department of Physical and Macromolecular Chemistry, Faculty of Science; Charles University; Prague Czech Republic
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14
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Abstract
Stereospecific recognition of chiral molecules plays an important role in nature as the basis of the interaction of chiral bioactive compounds with the chiral target structures. In separation sciences such as chromatographic and capillary electromigration techniques, interactions between chiral analytes and chiral selectors, i.e., the formation of transient diastereomeric complexes in thermodynamic equilibria, are the basis for chiral separations. Due to the large structural variety of chiral selectors, different structural features contribute to the overall chiral recognition process. This introductory chapter briefly summarizes the present understanding of the structural enantioselective recognition processes for various types of chiral selectors.
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Affiliation(s)
- Gerhard K E Scriba
- Department of Pharmaceutical Chemistry, University of Jena, Jena, Germany.
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15
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Wu T, Kessler J, Kaminský J, Bouř P. Recognition of Oligosaccharides by Chirality Induced in Europium (III) Compounds. Chem Asian J 2018; 13:3865-3870. [DOI: 10.1002/asia.201801157] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 10/03/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Tao Wu
- Department of Molecular Spectroscopy; Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences; Flemingovo nám. 2 Prague 16610 Czech Republic
| | - Jiří Kessler
- Department of Molecular Spectroscopy; Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences; Flemingovo nám. 2 Prague 16610 Czech Republic
| | - Jakub Kaminský
- Department of Molecular Spectroscopy; Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences; Flemingovo nám. 2 Prague 16610 Czech Republic
| | - Petr Bouř
- Department of Molecular Spectroscopy; Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences; Flemingovo nám. 2 Prague 16610 Czech Republic
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16
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Validated LC Method for Determination of Enantiomeric Purity of Apremilast Using Polysaccharide-Type Stationary Phases in Polar Organic Mode. Chromatographia 2018. [DOI: 10.1007/s10337-018-3546-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Szabó ZI, Foroughbakhshfasaei M, Gál R, Horváth P, Komjáti B, Noszál B, Tóth G. Chiral separation of lenalidomide by liquid chromatography on polysaccharide-type stationary phases and by capillary electrophoresis using cyclodextrin selectors. J Sep Sci 2018; 41:1414-1423. [DOI: 10.1002/jssc.201701211] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 11/21/2017] [Accepted: 11/23/2017] [Indexed: 02/01/2023]
Affiliation(s)
- Zoltán-István Szabó
- Department of Drugs Industry and Pharmaceutical Management; Faculty of Pharmacy; University of Medicine and Pharmacy of Tîrgu Mureș; Tîrgu Mureș Romania
| | | | - Réka Gál
- Department of Drugs Industry and Pharmaceutical Management; Faculty of Pharmacy; University of Medicine and Pharmacy of Tîrgu Mureș; Tîrgu Mureș Romania
| | - Péter Horváth
- Department of Pharmaceutical Chemistry; Semmelweis University; Budapest Hungary
| | - Balázs Komjáti
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; Budapest Hungary
| | - Béla Noszál
- Department of Pharmaceutical Chemistry; Semmelweis University; Budapest Hungary
| | - Gergő Tóth
- Department of Pharmaceutical Chemistry; Semmelweis University; Budapest Hungary
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18
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Szabó ZI, Foroughbakhshfasaei M, Noszál B, Tóth G. Enantioseparation of racecadotril using polysaccharide-type chiral stationary phases in polar organic mode. Chirality 2017; 30:95-105. [DOI: 10.1002/chir.22772] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 09/13/2017] [Accepted: 09/13/2017] [Indexed: 01/11/2023]
Affiliation(s)
- Zoltán-István Szabó
- Faculty of Pharmacy; University of Medicine and Pharmacy Tîrgu Mureş; Tîrgu Mureş Romania
| | | | - Béla Noszál
- Department of Pharmaceutical Chemistry; Semmelweis University; Budapest Hungary
| | - Gergő Tóth
- Department of Pharmaceutical Chemistry; Semmelweis University; Budapest Hungary
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Li X, Yao X, Xiao Y, Wang Y. Enantioseparation of single layer native cyclodextrin chiral stationary phases: Effect of cyclodextrin orientation and a modeling study. Anal Chim Acta 2017; 990:174-184. [DOI: 10.1016/j.aca.2017.07.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 07/03/2017] [Accepted: 07/08/2017] [Indexed: 10/19/2022]
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Szabó ZI, Gál R, Gáll Z, Vancea S, Rédai E, Fülöp I, Sipos E, Donáth-Nagy G, Noszál B, Tóth G. Cyclodextrin complexation improves aqueous solubility of the antiepileptic drug, rufinamide: solution and solid state characterization of compound-cyclodextrin binary systems. J INCL PHENOM MACRO 2017. [DOI: 10.1007/s10847-017-0710-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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