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Saleh B, Ding T, Wang Y, Zheng X, Liu R, He L. Analytical Separation of Closantel Enantiomers by HPLC. Molecules 2021; 26:molecules26237288. [PMID: 34885866 PMCID: PMC8659055 DOI: 10.3390/molecules26237288] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 11/30/2022] Open
Abstract
Closantel is an antiparasitic drug marketed in a racemic form with one chiral center. It is meaningful to develop a method for separating and analyzing the closantel enantiomers. In this work, two enantiomeric separation methods of closantel were explored by normal-phase high-performance liquid chromatography. The influences of the chiral stationary phase (CSP) structure, the mobile phase composition, the nature and proportion of different mobile phase modifiers (alcohols and acids), and the column temperature on the enantiomeric separation of closantel were investigated in detail. The two enantiomers were successfully separated on the novel CSP of isopropyl derivatives of cyclofructan 6 and n-hexane-isopropanol-trifluoroacetic acid (97:3:0.1, v/v/v) as a mobile phase with a resolution (Rs) of about 2.48. The enantiomers were also well separated on the CSP of tris-carbamates of amylose with a higher Rs (about 3.79) when a mixture of n-hexane-isopropanol-trifluoroacetic acid (55:45:0.1, v/v/v) was used as mobile phase. Thus, the proposed separation methods can facilitate molecular pharmacological and biological research on closantel and its enantiomers.
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Affiliation(s)
- Basma Saleh
- National Reference Laboratory of Veterinary Drug Residues (SCAU), College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (B.S.); (T.D.); (X.Z.)
- Directorate of Veterinary Medicine, General Organization of Veterinary Services, Ministry of Agriculture, Port Said 42511, Egypt
| | - Tongyan Ding
- National Reference Laboratory of Veterinary Drug Residues (SCAU), College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (B.S.); (T.D.); (X.Z.)
| | - Yuwei Wang
- Quality Supervision, Inspection and Testing Center for Domestic Animal Products Guangzhou, Ministry of Agriculture and Rural Affairs, Guangzhou 510642, China; (Y.W.); (R.L.)
| | - Xiantong Zheng
- National Reference Laboratory of Veterinary Drug Residues (SCAU), College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (B.S.); (T.D.); (X.Z.)
| | - Rong Liu
- Quality Supervision, Inspection and Testing Center for Domestic Animal Products Guangzhou, Ministry of Agriculture and Rural Affairs, Guangzhou 510642, China; (Y.W.); (R.L.)
| | - Limin He
- National Reference Laboratory of Veterinary Drug Residues (SCAU), College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (B.S.); (T.D.); (X.Z.)
- Quality Supervision, Inspection and Testing Center for Domestic Animal Products Guangzhou, Ministry of Agriculture and Rural Affairs, Guangzhou 510642, China; (Y.W.); (R.L.)
- Correspondence: ; Tel.: +86-20-85280237; Fax: +86-20-85284896
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Klimova YA, Asnin LD. Adsorption of Binary Solvents on Chiral Stationary Phases with Grafted Macrocyclic Antibiotics. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2021. [DOI: 10.1134/s0036024421110091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Abstract
A study is performed of the adsorption of water–methanol and water–acetonitrile mixtures on chiral stationary phases (CSPs) Chirobiotic R, Chirobiotic T, and Nautilus-E with grafted macrocyclic antibiotics ristocetin A, teicoplanin, and eremomycin, respectively. The patterns of adsorption on the indicated CSPs are qualitatively the same, and differ only by quantitative indicators. Adsorption isotherms of excess water from binary solvents have adsorption azeotrope points and show the preferred absorption of water in the range of pure organic component to an azeotrope point in the range of 60–75 mol % for H2О–МеОН and 80–90 mol % for H2O–MeCN systems. It is shown that the thickness of the adsorption phase in the first case is less than one nominal molecular layer (0.10–0.13 nm). For H2O–MeCN, it is 3–4 molecular layers (0.88–1.05 nm). Activity coefficients are calculated for the components of solutions in surface layers. The coefficients indicate the systems deviate considerably from the properties of an ideal adsorption solution. Reasons for this behavior are discussed.
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Felletti S, De Luca C, Lievore G, Chenet T, Chankvetadze B, Farkas T, Cavazzini A, Catani M. Shedding light on mechanisms leading to convex-upward van Deemter curves on a cellulose tris(4-chloro-3-methylphenylcarbamate)-based chiral stationary phase. J Chromatogr A 2020; 1630:461532. [PMID: 32950816 DOI: 10.1016/j.chroma.2020.461532] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/04/2020] [Accepted: 09/07/2020] [Indexed: 11/16/2022]
Abstract
An unusual convex-upward van Deemter curve was observed for the more retained enantiomer of a chiral sulfoxide (2-(benzylsulfinyl)benzamide) on a cellulose tris(4-chloro-3-methylphenylcarbamate)-based chiral stationary phase (CSP), prepared on silica particles of 1000 Å pore size. In contrast, the firstly eluted enantiomer of the same molecule exhibited the traditional convex-downward van Deemter curve. A detailed kinetic and thermodynamic investigation has revealed that this unusual phenomenon, which however has already been observed in chiral chromatography, originates when the adsorption of the compound is very strong and the solid-phase diffusion negligible. Experimentally, the intraparticle diffusion of the more retained enantiomer of the sulfoxide was found to be one order of magnitude smaller than that of the first eluted one. Overall, this translates into very little longitudinal diffusion (b-term of van Deemter curve) accompanied by high solid-liquid mass transfer resistance (c-term). Finally the comparison with another, differently-substituted chiral sulfoxide (whose enantiomers both exhibit traditional van Deemter curve behavior) has allowed to correlate these findings to the specific characteristics of the molecule.
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Affiliation(s)
- Simona Felletti
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy
| | - Chiara De Luca
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy
| | - Giulio Lievore
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy
| | - Tatiana Chenet
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Ave 3, 0179 Tbilisi, Georgia
| | - Tivadar Farkas
- Phenomenex Inc., 411 Madrid Ave., Torrance, CA 90501, United States
| | - Alberto Cavazzini
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy.
| | - Martina Catani
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, 44121 Ferrara, Italy.
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Catani M, Ismail OH, Gasparrini F, Antonelli M, Pasti L, Marchetti N, Felletti S, Cavazzini A. Recent advancements and future directions of superficially porous chiral stationary phases for ultrafast high-performance enantioseparations. Analyst 2017; 142:555-566. [DOI: 10.1039/c6an02530g] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review focuses on the use of superficially porous particles (SPPs) as chiral stationary phases for ultra-high performance liquid enantioseparations.
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Affiliation(s)
- Martina Catani
- Dept. of Chemistry and Pharmaceutical Sciences
- University of Ferrara
- 44121 Ferrara
- Italy
| | - Omar H. Ismail
- Department of Drug Chemistry and Technology
- “Sapienza” Università di Roma
- 00185 Roma
- Italy
| | - Francesco Gasparrini
- Department of Drug Chemistry and Technology
- “Sapienza” Università di Roma
- 00185 Roma
- Italy
| | - Michela Antonelli
- Department of Drug Chemistry and Technology
- “Sapienza” Università di Roma
- 00185 Roma
- Italy
| | - Luisa Pasti
- Dept. of Chemistry and Pharmaceutical Sciences
- University of Ferrara
- 44121 Ferrara
- Italy
| | - Nicola Marchetti
- Dept. of Chemistry and Pharmaceutical Sciences
- University of Ferrara
- 44121 Ferrara
- Italy
| | - Simona Felletti
- Dept. of Chemistry and Pharmaceutical Sciences
- University of Ferrara
- 44121 Ferrara
- Italy
| | - Alberto Cavazzini
- Dept. of Chemistry and Pharmaceutical Sciences
- University of Ferrara
- 44121 Ferrara
- Italy
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Bocian S, Skoczylas M, Goryńska I, Matyska M, Pesek J, Buszewski B. Solvation processes on phenyl-bonded stationary phases-The influence of polar functional groups. J Sep Sci 2016; 39:4369-4376. [DOI: 10.1002/jssc.201600799] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 09/19/2016] [Accepted: 09/19/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Szymon Bocian
- Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry; Nicolaus Copernicus University; Toruń Poland
| | - Magdalena Skoczylas
- Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry; Nicolaus Copernicus University; Toruń Poland
| | - Izabela Goryńska
- Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry; Nicolaus Copernicus University; Toruń Poland
| | - Maria Matyska
- Department of Chemistry; San Jose State University; San Jose CA USA
| | - Joseph Pesek
- Department of Chemistry; San Jose State University; San Jose CA USA
| | - Bogusław Buszewski
- Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry; Nicolaus Copernicus University; Toruń Poland
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Bocian S. Solvation processes in liquid chromatography: The importance and measurements. J LIQ CHROMATOGR R T 2016. [DOI: 10.1080/10826076.2016.1242494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Szymon Bocian
- Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Toruń, Poland
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Cavazzini A. Introduction to “Numerical determination of the competitive isotherm of enantiomers” by A. Felinger, A. Cavazzini, G. Guiochon [J. Chromatogr. A 986 (2003) 207–225]. J Chromatogr A 2016; 1446:6-7. [DOI: 10.1016/j.chroma.2016.03.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 03/01/2016] [Accepted: 03/09/2016] [Indexed: 11/30/2022]
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A closer study of methanol adsorption and its impact on solute retentions in supercritical fluid chromatography. J Chromatogr A 2016; 1442:129-39. [DOI: 10.1016/j.chroma.2016.03.006] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/27/2016] [Accepted: 03/02/2016] [Indexed: 11/19/2022]
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Adsorption of aqueous organic mixtures on a chiral stationary phase with bound antibiotic eremomycin. J Chromatogr A 2014; 1363:71-8. [DOI: 10.1016/j.chroma.2014.08.062] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2014] [Revised: 07/23/2014] [Accepted: 08/20/2014] [Indexed: 11/24/2022]
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David V, Galaon T, Aboul-Enein HY. Effects of large volume injection of aliphatic alcohols as sample diluents on the retention of low hydrophobic solutes in reversed-phase liquid chromatography. J Chromatogr A 2014; 1323:115-22. [DOI: 10.1016/j.chroma.2013.11.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 10/26/2013] [Accepted: 11/08/2013] [Indexed: 10/26/2022]
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West C, Bouet A, Routier S, Lesellier E. Effects of mobile phase composition and temperature on the supercritical fluid chromatography enantioseparation of chiral fluoro-oxoindole-type compounds with chlorinated polysaccharide stationary phases. J Chromatogr A 2012; 1269:325-35. [DOI: 10.1016/j.chroma.2012.09.078] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2012] [Revised: 09/18/2012] [Accepted: 09/21/2012] [Indexed: 11/25/2022]
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Cavazzini A, Pasti L, Massi A, Marchetti N, Dondi F. Recent applications in chiral high performance liquid chromatography: A review. Anal Chim Acta 2011; 706:205-22. [DOI: 10.1016/j.aca.2011.08.038] [Citation(s) in RCA: 203] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2011] [Revised: 08/08/2011] [Accepted: 08/25/2011] [Indexed: 01/17/2023]
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Marchetti N, Cavazzini A, Pasti L, Dondi F. Determination of adsorption isotherms by means of HPLC: Adsorption mechanism elucidation and separation optimization. J Sep Sci 2009; 32:727-41. [DOI: 10.1002/jssc.200800425] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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