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Enantioseparation of β-Blockers Using Silica-Immobilised Eremomycin Derivatives as Chiral Stationary Phases in HPLC. Symmetry (Basel) 2023. [DOI: 10.3390/sym15020373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
The regularities of chromatographic retention and separation enantioselectivity of the selected β-blockers (propranolol, pindolol, alprenolol, atenolol, oxprenalol, metoprolol, clenbuterol, sotalol, pronethalol, salbutamol, and labetalol) were studied with eight chiral stationary phases (CSPs) in polar ionic mode (PIM) elution system. A range of novel CSPs was prepared by immobilisation of macrocyclic glycopeptide antibiotic eremomycin (E-CSP); structurally related antibiotics chloreremomycin (Chloro-E-CSP) and semi-synthetic oritavancin (O-CSP); and five eremomycin derivatives including amide- (Amide-E-CSP), adamantyl-2-amide- (Adamantylamide-E-CSP), eremomycin aglycon (EAg-CSP), eremosaminyl eremomycin aglycon (EEA-CSP), and des-eremosamynyl eremomycin (DEE-CSP) onto microspherical silica (Kromasil, particle size 5 micron, pore size 11 nm). The effect of different functional groups in eremomycin structure on chiral recognition of β-blockers was studied. The original E-CSP revealed moderate enantioseparation for all studied β-blockers. The presence of a free carboxylic group in a chiral selector molecule is found to be critical for the general retention of enantiomers as no separation enantioselectivity was recorded for Amide-E-CSP and Adamantyl-E-CSP. Modification of the aromatic system of eremomycin by the introduction of a chloro- substituent in the aromatic ring (Chloro-E-CSP) or a hydrophobic 4’-chlorobiphenylmethyl substituent to the disaccharide sugar residue (O-CSP) resulted in decreased enantioselectivity. The best enantioseparation of β-blockers was obtained for CSPs with eremosaminyl eremomycin aglycon and des-eremosamynyl eremomycin as chiral selectors.
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Silica Immobilised Chloro- and Amido-Derivatives of Eremomycine as Chiral Stationary Phases for the Enantioseparation of Amino Acids by Reversed-Phase Liquid Chromatography. Molecules 2022; 28:molecules28010085. [PMID: 36615283 PMCID: PMC9822235 DOI: 10.3390/molecules28010085] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/08/2022] [Accepted: 12/17/2022] [Indexed: 12/25/2022] Open
Abstract
Macrocyclic glycopeptide antibiotics immobilized on silica are one of the effective classes of stationary phases for chiral recognition and HPLC separation of a wide range of optically active compounds. Enantioselectivity primarily depends on the chemical structure of the chiral ligand, immobilization chemistry, and separation conditions. In the present work, three new chiral stationary phases (CSPs) based on macrocyclic antibiotic eremomycin were prepared and investigated for enantioseparation of amino acids. Two eremomycin derivatives, including simple non-substituted amide and bulky adamantyl amide, provided important information on the role of the carboxylic group in the eremomycin structure in the chiral recognition mechanism concerning amino acid optical isomers. One more CSP having a chlorine atom in the same position elucidates the role of the first aromatic ring in the eremomycin structure as a crucial point for chiral recognition. CSP with immobilized chloreremomycin was the most successful among the phases prepared in this work. It was additionally investigated under various separation conditions, including the type and content of the organic solvent in the eluent, the effects of different additives, and the concentration and pH of the buffer. Importantly, an efficient enantioselective separation of amino acids was achieved with pure water as the eluent.
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Fouad A, Marzouk AA, Shaykoon MSA, Ibrahim SM, El-Adl SM, Ghanem A. Daptomycin: A Novel Macrocyclic Antibiotic as a Chiral Selector in an Organic Polymer Monolithic Capillary for the Enantioselective Analysis of a Set of Pharmaceuticals. Molecules 2021; 26:molecules26123527. [PMID: 34207780 PMCID: PMC8227699 DOI: 10.3390/molecules26123527] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 12/11/2022] Open
Abstract
Daptomycin, a macrocyclic antibiotic, is here used as a new chiral selector in preparation of chiral stationary phase (CSP) in a recently prepared polymer monolithic capillary. The latter is prepared using the copolymerization of the monomers glycidyl methacrylate (GMA) and ethylene glycol dimethacrylate (EGDMA) in the presence of daptomycin in water. Under reversed phase conditions (RP), the prepared capillaries were tested for the enantioselective nanoliquid chromatographic separation of fifty of the racemic drugs of different pharmacological groups, such as adrenergic blockers, H1-blockers, NSAIDs, antifungal drugs, and others. Baseline separation was attained for many drugs under RP-HPLC. Daptomycin expands the horizon of chiral selectors in HPLC.
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Affiliation(s)
- Ali Fouad
- Chirality Program, Faculty of Science and Technology, University of Canberra, Bruce, Canberra 2601, Australia;
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut 71524, Egypt; (A.A.M.); (M.S.A.S.)
| | - Adel A. Marzouk
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut 71524, Egypt; (A.A.M.); (M.S.A.S.)
| | - Montaser Sh. A. Shaykoon
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut 71524, Egypt; (A.A.M.); (M.S.A.S.)
| | - Samy M. Ibrahim
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt; (S.M.I.); (S.M.E.-A.)
| | - Sobhy M. El-Adl
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt; (S.M.I.); (S.M.E.-A.)
| | - Ashraf Ghanem
- Chirality Program, Faculty of Science and Technology, University of Canberra, Bruce, Canberra 2601, Australia;
- Correspondence:
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Stepanova MV, Asnin LD, Boteva AA, Krasnykh OP, Fefilova IV. Relationships of the Enantioselective Retention of Chiral Oxazolopyrroloquinolones on a Stationary Phase with Grafted Antibiotic Ristocetin A. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2021. [DOI: 10.1134/s0036024421010271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Sorbent for the separation of enantiomers of amino acids based on silica gel modified with stabilized Au nanoparticles. MENDELEEV COMMUNICATIONS 2019. [DOI: 10.1016/j.mencom.2019.11.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shapovalova EN, Fedorova IA, Anan’eva IA, Shpigun OA. Macrocyclic Antibiotics as Chiral Selectors in High-Performance Liquid Chromatography and Capillary Electrophoresis. JOURNAL OF ANALYTICAL CHEMISTRY 2018. [DOI: 10.1134/s1061934818110114] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Fedorova IA, Shapovalova EN, Shpigun OA. Separation of β-blocker and amino acid enantiomers on a mixed chiral sorbent modified with macrocyclic antibiotics eremomycin and vancomycin. JOURNAL OF ANALYTICAL CHEMISTRY 2017. [DOI: 10.1134/s1061934817010075] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Fedorova IA, Shapovalova EN, Shpigun OA, Staroverov SM. Bovine serum albumin adsorbed on eremomycin and grafted on silica as new mixed-binary chiral sorbent for improved enantioseparation of drugs. J Food Drug Anal 2016; 24:848-854. [PMID: 28911624 PMCID: PMC9337294 DOI: 10.1016/j.jfda.2016.03.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Revised: 03/05/2016] [Accepted: 03/23/2016] [Indexed: 11/01/2022] Open
Abstract
A new silica-based, mixed-binary chiral sorbent grafted with the macrocyclic antibiotic eremomycin and bovine serum albumin (BSA) was obtained. The sorbent-filled high-performance liquid chromatography column was capable of enantioseparation of racemic drugs, such as profens, in reversed-phase-chromatography mode. The mixed-binary eremomycin-BSA-sorbent showed better capability for profens enantioseparation as compared with a sorbent containing eremomycin only. BSA grafted onto the sorbent surface significantly reduced retention times of other proteins from the analyte solution, and free proteins (including BSA) injected as analytes were not retained on the column, and subsequently eluted with a dead volume. The drastic difference observed in the binding of profens and other proteins using the sorbent was tested for determination and enantioseparation of profens in artificial-urine solutions.
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Affiliation(s)
- Irina A Fedorova
- Lomonosov Moscow State University, Chemical Department, Moscow, Russian Federation.
| | - Elena N Shapovalova
- Lomonosov Moscow State University, Chemical Department, Moscow, Russian Federation
| | - Oleg A Shpigun
- Lomonosov Moscow State University, Chemical Department, Moscow, Russian Federation
| | - Sergey M Staroverov
- Lomonosov Moscow State University, Chemical Department, Moscow, Russian Federation
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Kirillova Y, Boyarskaya N, Dezhenkov A, Tankevich M, Prokhorov I, Varizhuk A, Eremin S, Esipov D, Smirnov I, Pozmogova G. Polyanionic Carboxyethyl Peptide Nucleic Acids (ce-PNAs): Synthesis and DNA Binding. PLoS One 2015; 10:e0140468. [PMID: 26469337 PMCID: PMC4607454 DOI: 10.1371/journal.pone.0140468] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Accepted: 09/25/2015] [Indexed: 11/29/2022] Open
Abstract
New polyanionic modifications of polyamide nucleic acid mimics were obtained. Thymine decamers were synthesized from respective chiral α- and γ-monomers, and their enantiomeric purity was assessed. Here, we present the decamer synthesis, purification and characterization by MALDI-TOF mass spectrometry and an investigation of the hybridization properties of the decamers. We show that the modified γ-S-carboxyethyl-T10 PNA forms a stable triplex with polyadenine DNA.
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Affiliation(s)
- Yuliya Kirillova
- Department of Biotechnology and Bionanotechnology, Moscow State University of Fine Chemical Technologies, Moscow, Russia
- Department of Molecular Biology and Genetics, SRI of Physical-Chemical Medicine, Moscow, Russia
- * E-mail:
| | - Nataliya Boyarskaya
- Department of Biotechnology and Bionanotechnology, Moscow State University of Fine Chemical Technologies, Moscow, Russia
| | - Andrey Dezhenkov
- Department of Biotechnology and Bionanotechnology, Moscow State University of Fine Chemical Technologies, Moscow, Russia
| | - Mariya Tankevich
- Department of Biotechnology and Bionanotechnology, Moscow State University of Fine Chemical Technologies, Moscow, Russia
- Department of Molecular Biology and Genetics, SRI of Physical-Chemical Medicine, Moscow, Russia
| | - Ivan Prokhorov
- Department of Biotechnology and Bionanotechnology, Moscow State University of Fine Chemical Technologies, Moscow, Russia
| | - Anna Varizhuk
- Department of Molecular Biology and Genetics, SRI of Physical-Chemical Medicine, Moscow, Russia
- Department of Structure-Functional Analysis of Biopolymers, Engelhardt Institute of Molecular Biology, Moscow, Russia
| | - Sergei Eremin
- Department of Biotechnology and Bionanotechnology, Moscow State University of Fine Chemical Technologies, Moscow, Russia
| | - Dmitry Esipov
- Department of Bioorganic Chemistry, Biology Faculty, Moscow State University, Moscow, Russia
| | - Igor Smirnov
- Department of Molecular Biology and Genetics, SRI of Physical-Chemical Medicine, Moscow, Russia
| | - Galina Pozmogova
- Department of Molecular Biology and Genetics, SRI of Physical-Chemical Medicine, Moscow, Russia
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Shipovskaya AB, Gegel’ NO, Shchegolev SY. Modification of cellulose acetates for preparing chiral sorbents. RUSS J APPL CHEM+ 2014. [DOI: 10.1134/s1070427214090225] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Tsioupi DA, Stefan-Vanstaden RI, Kapnissi-Christodoulou CP. Chiral selectors in CE: recent developments and applications. Electrophoresis 2013; 34:178-204. [PMID: 23161372 DOI: 10.1002/elps.201200239] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2012] [Revised: 08/14/2012] [Accepted: 08/14/2012] [Indexed: 01/01/2023]
Abstract
This review article provides an overview of the recent advances in enantioanalysis by use of electrophoretic techniques. Due to the big number of publications in the subject mentioned above, this article is focused on chiral method developments and applications published from 2008 until 2011, and it demonstrates chiral selectors used in CE. Numerous chiral selectors have been used over the years, and these include the cyclic and the linear oligo- and polysaccharides, the branched polysaccharides, the polymeric and monomeric surfactants, the macrocyclic and other antibiotics, and the crown ethers. Different dual-selector systems are also presented in this article, and the results are compared with those obtained by use of a single chiral selector. Finally, several pharmaceutical and biomedical applications based on chiral recognition are summarized.
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Ilisz I, Aranyi A, Pataj Z, Péter A. Enantiomeric separation of nonproteinogenic amino acids by high-performance liquid chromatography. J Chromatogr A 2012; 1269:94-121. [DOI: 10.1016/j.chroma.2012.07.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 07/02/2012] [Accepted: 07/06/2012] [Indexed: 10/28/2022]
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Enantiorecognition of profens by capillary electrophoresis using a novel chiral selector eremomycin. J Chromatogr A 2009; 1216:3674-7. [PMID: 19264314 DOI: 10.1016/j.chroma.2009.02.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2008] [Revised: 02/03/2009] [Accepted: 02/05/2009] [Indexed: 11/23/2022]
Abstract
The evaluation of a macrocyclic glycopeptide antibiotic, eremomycin, as a chiral selector in capillary electrophoresis (CE) has been performed. The stability of eremomycin in solution and capillary electrolyte, as well as its optical and electrophoretic properties have been discussed. The effect of experimental parameters influencing the enantioseparation of several profens has been studied. Excellent enantioseparation of profens has been achieved and migration order has been validated. Comparison of enantioseparations of profens in CE by using eremomycin-mediated electrolytes and in HPLC with eremomycin immobilized on silica has revealed similar trends for both methods.
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Ilisz I, Berkecz R, Péter A. Retention mechanism of high-performance liquid chromatographic enantioseparation on macrocyclic glycopeptide-based chiral stationary phases. J Chromatogr A 2008; 1216:1845-60. [PMID: 18762302 DOI: 10.1016/j.chroma.2008.08.041] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2008] [Revised: 08/11/2008] [Accepted: 08/13/2008] [Indexed: 10/21/2022]
Abstract
The development of methods for the separation of enantiomers has attracted great interest in the past 20 years, since it became evident that the potential biological or pharmacological applications are mostly restricted to one of the enantiomers. In the past decade, macrocyclic antibiotics have proved to be an exceptionally useful class of chiral selectors for the separation of enantiomers of biological and pharmacological importance by means of high-performance liquid chromatography (HPLC), thin-layer chromatography and electrophoresis. The glycopeptides avoparcin, teicoplanin, ristocetin A and vancomycin have been extensively used as chiral selectors in the form of chiral bonded phases in HPLC, and HPLC stationary phases based on these glycopeptides have been commercialized. In fact, the macrocyclic glycopeptides are to some extent complementary to one another: where partial enantioresolution is obtained with one glycopeptide, there is a high probability that baseline or better separation can be obtained with another. This review sets out to characterize the physicochemical properties of these macrocyclic glycopeptide antibiotics and, through their application, endeavors to demonstrate the mechanism of separation on macrocyclic glycopeptides. The sequence of elution of the stereoisomers and the relation to the absolute configuration are also discussed.
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Affiliation(s)
- István Ilisz
- Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
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