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Montejo-López W, Sampieri-Cabrera R, Nicolás-Vázquez MI, Aceves-Hernández JM, Razo-Hernández RS. Analysing the effect caused by increasing the molecular volume in M1-AChR receptor agonists and antagonists: a structural and computational study. RSC Adv 2024; 14:8615-8640. [PMID: 38495977 PMCID: PMC10938299 DOI: 10.1039/d3ra07380g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 03/04/2024] [Indexed: 03/19/2024] Open
Abstract
M1 muscarinic acetylcholine receptor (M1-AChR), a member of the G protein-coupled receptors (GPCR) family, plays a crucial role in learning and memory, making it an important drug target for Alzheimer's disease (AD) and schizophrenia. M1-AChR activation and deactivation have shown modifying effects in AD and PD preclinical models, respectively. However, understanding the pharmacology associated with M1-AChR activation or deactivation is complex, because of the low selectivity among muscarinic subtypes, hampering their therapeutic applications. In this regard, we constructed two quantitative structure-activity relationship (QSAR) models, one for M1-AChR agonists (total and partial), and the other for the antagonists. The binding mode of 59 structurally different compounds, including agonists and antagonists with experimental binding affinity values (pKi), were analyzed employing computational molecular docking over different structures of M1-AChR. Furthermore, we considered the interaction energy (Einter), the number of rotatable bonds (NRB), and lipophilicity (ilogP) for the construction of the QSAR model for agonists (R2 = 89.64, QLMO2 = 78, and Qext2 = 79.1). For the QSAR model of antagonists (R2 = 88.44, QLMO2 = 82, and Qext2 = 78.1) we considered the Einter, the fraction of sp3 carbons fCsp3, and lipophilicity (MlogP). Our results suggest that the ligand volume is a determinant to establish its biological activity (agonist or antagonist), causing changes in binding energy, and determining the affinity for M1-AChR.
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Affiliation(s)
- Wilber Montejo-López
- Departamento de Ciencias Químicas, Facultad de Estudios Superiores Cuautitlán Campo 1, Universidad Nacional Autónoma de México Avenida 1o de Mayo s/n, Colonia Santa María las Torres Cuautitlán Izcalli Estado de Mexico 54740 Mexico
| | - Raúl Sampieri-Cabrera
- Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Centro de Ciencias de Complejidad, Universidad Nacional Autónoma de México Mexico
| | - María Inés Nicolás-Vázquez
- Departamento de Ciencias Químicas, Facultad de Estudios Superiores Cuautitlán Campo 1, Universidad Nacional Autónoma de México Avenida 1o de Mayo s/n, Colonia Santa María las Torres Cuautitlán Izcalli Estado de Mexico 54740 Mexico
| | - Juan Manuel Aceves-Hernández
- Unidad de Investigación Multidisciplinaria L14 (Alimentos, Micotoxinas, y Micotoxicosis), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México Cuautitlán Izcalli Estado de Mexico 54714 Mexico
| | - Rodrigo Said Razo-Hernández
- Centro de Investigación en Dinámica Celular, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos Av. Universidad 1001 Cuernavaca 62209 Mexico
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Rüütel A, Tshepelevitsh S, Leito I. One Hundred Carboxylate Receptors. J Org Chem 2022; 87:14186-14193. [PMID: 36214741 DOI: 10.1021/acs.joc.2c01725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This work presents a compilation of binding constant (logKass) values in DMSO-d6/H2O (0.5% m/m) for a variety of receptors with 12 carboxylate anions (formate, acetate, lactate, pivalate, sorbate, hexanoate, benzoate, glyphosate, glucuronate, ibuprofen, naproxen, and ketoprofen). A total of 489 logKass values are listed for 100 anion receptor molecules. Most logKass values originate from previously published articles, along with some values for previously unpublished receptor molecules, spanning a workflow of 8 years. The purpose of this study is to serve as a comprehensive information source for selecting suitable receptor candidates to be used in practical carboxylate sensing applications, such as constructing ion-selective electrodes (ISE-s). To support such decision making, all receptors are presented together with lipophilicity (logPo/w) data.
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Affiliation(s)
- Alo Rüütel
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411Tartu, Estonia
| | - Sofja Tshepelevitsh
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411Tartu, Estonia
| | - Ivo Leito
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411Tartu, Estonia
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Debrauwer V, Leito I, Lõkov M, Tshepelevitsh S, Parmentier M, Blanchard N, Bizet V. Synthesis and Physicochemical Properties of 2-SF 5-(Aza)Indoles, a New Family of SF 5 Heterocycles. ACS ORGANIC & INORGANIC AU 2021; 1:43-50. [PMID: 36855754 PMCID: PMC9954346 DOI: 10.1021/acsorginorgau.1c00010] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Structural diversity in heterocyclic chemistry is key to unlocking new properties and modes of action. In this regard, heterocycles embedding emerging fluorinated substituents hold great promise. Herein is described a strategy to access 2-SF5-(aza)indoles for the first time. The sequence relies on the radical addition of SF5Cl to the alkynyl π-system of 2-ethynyl anilines followed by a cyclization reaction. A telescoped sequence is proposed, making this strategy very appealing and reproducible on a gram scale. Downstream functionalizations are also demonstrated, allowing an easy diversification of N- and C3-positions. Ames test, pK a, log P, and differential scanning calorimetry measurements of several fluorinated 2-Rf-indoles are also disclosed. These studies highlight the strategic advantages that a C2-pentafluorosulfanylated motif impart to a privileged scaffold such as an indole.
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Affiliation(s)
- Vincent Debrauwer
- Université
de Haute-Alsace, Université de Strasbourg, CNRS, LIMA, UMR 7042, 68000 Mulhouse, France
| | - Ivo Leito
- Institute
of Chemistry, University of Tartu, Tartu 50411, Estonia
| | - Märt Lõkov
- Institute
of Chemistry, University of Tartu, Tartu 50411, Estonia
| | | | - Michael Parmentier
- Chemical
and Analytical Development, Novartis Pharma
AG, CH-4056 Basel, Switzerland
| | - Nicolas Blanchard
- Université
de Haute-Alsace, Université de Strasbourg, CNRS, LIMA, UMR 7042, 68000 Mulhouse, France,
| | - Vincent Bizet
- Université
de Haute-Alsace, Université de Strasbourg, CNRS, LIMA, UMR 7042, 68000 Mulhouse, France,
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Kadela-Tomanek M, Jastrzębska M, Marciniec K, Chrobak E, Bębenek E, Boryczka S. Lipophilicity, Pharmacokinetic Properties, and Molecular Docking Study on SARS-CoV-2 Target for Betulin Triazole Derivatives with Attached 1,4-Quinone. Pharmaceutics 2021; 13:pharmaceutics13060781. [PMID: 34071116 PMCID: PMC8224687 DOI: 10.3390/pharmaceutics13060781] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/19/2021] [Accepted: 05/20/2021] [Indexed: 12/22/2022] Open
Abstract
A key parameter in the design of new active compounds is lipophilicity, which influences the solubility and permeability through membranes. Lipophilicity affects the pharmacodynamic and toxicological profiles of compounds. These parameters can be determined experimentally or by using different calculation methods. The aim of the research was to determine the lipophilicity of betulin triazole derivatives with attached 1,4-quinone using thin layer chromatography in a reverse phase system and a computer program to calculate its theoretical model. The physiochemical and pharmacokinetic properties were also determined by computer programs. For all obtained parameters, the similarity analysis and multilinear regression were determined. The analyses showed that there is a relationship between structure and properties under study. The molecular docking study showed that betulin triazole derivatives with attached 1,4-quinone could inhibit selected SARS-CoV-2 proteins. The MLR regression showed that there is a correlation between affinity scoring values (ΔG) and the physicochemical properties of the tested compounds.
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Affiliation(s)
- Monika Kadela-Tomanek
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, 4 Jagiellońska Str., 41-200 Sosnowiec, Poland; (K.M.); (E.C.); (E.B.); (S.B.)
- Correspondence: ; Tel.: +48-32-3641666
| | - Maria Jastrzębska
- Silesian Center for Education and Interdisciplinary Research, Institute of Physics, University of Silesia, 75 Pułku Piechoty 1a, 41-500 Chorzów, Poland;
| | - Krzysztof Marciniec
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, 4 Jagiellońska Str., 41-200 Sosnowiec, Poland; (K.M.); (E.C.); (E.B.); (S.B.)
| | - Elwira Chrobak
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, 4 Jagiellońska Str., 41-200 Sosnowiec, Poland; (K.M.); (E.C.); (E.B.); (S.B.)
| | - Ewa Bębenek
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, 4 Jagiellońska Str., 41-200 Sosnowiec, Poland; (K.M.); (E.C.); (E.B.); (S.B.)
| | - Stanisław Boryczka
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, 4 Jagiellońska Str., 41-200 Sosnowiec, Poland; (K.M.); (E.C.); (E.B.); (S.B.)
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Potentiometric Carboxylate Sensors Based on Carbazole-Derived Acyclic and Macrocyclic Ionophores. CHEMOSENSORS 2020. [DOI: 10.3390/chemosensors9010004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Solid-contact ion-selective electrodes with carbazole-derived ionophores were prepared. They were characterized as acetate sensors, but can be used to determine a number of carboxylates. The potentiometric response characteristics (slope, detection limit, selectivity, and pH sensitivity) of sensors prepared with different membrane compositions (ionophore, ionophore concentration, anion exchanger concentration, and plasticizer) were evaluated. The results show that for the macrocyclic ionophores, a larger cavity provided better selectivity. The sensors exhibited modest selectivity for acetate but good selectivity for benzoate. The carbazole-derived ionophores effectively decreased the interference from lipophilic anions, such as bromide, nitrate, iodide, and thiocyanate. The selectivity, detection limit, and linear range were improved by choosing a suitable plasticizer and by reducing the ionophore and anion exchanger concentrations. The influence of the electrode body’s material upon the composition of the plasticized poly(vinyl chloride) membrane, and thus also upon the sensor characteristics, was also studied. The choice of materials for the electrode body significantly affected the characteristics of the sensors.
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Rüütel A, Yrjänä V, Kadam SA, Saar I, Ilisson M, Darnell A, Haav K, Haljasorg T, Toom L, Bobacka J, Leito I. Design, synthesis and application of carbazole macrocycles in anion sensors. Beilstein J Org Chem 2020; 16:1901-1914. [PMID: 32802207 PMCID: PMC7418101 DOI: 10.3762/bjoc.16.157] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/16/2020] [Indexed: 11/23/2022] Open
Abstract
Carboxylate sensing solid-contact ion-selective electrodes (ISEs) were created to provide a proof-of-concept ISE development process covering all aspects from in silico ionophore design to functional sensor characterization. The biscarbazolylurea moiety was used to synthesize methylene-bridged macrocycles of different ring size aiming to fine tune selectivity towards different carboxylates. Cyclization was achieved with two separate strategies, using either amide synthesis to access up to –[CH2]10– macrocycles or acyl halides to access up to –[CH2]14– macrocycles. Seventy-five receptor–anion complexes were modelled and studied with COSMO-RS, in addition to all free host molecules. In order to predict initial selectivity towards carboxylates, 1H NMR relative titrations were used to quantify binding in DMSO-d6/H2O solvent systems of two proportions – 99.5%:0.5% m/m and 90.0%:10.0% m/m, suggesting initial selectivity towards acetate. Three ionophores were selected for successful sensor prototype development and characterization. The constructed ion-selective electrodes showed higher selectivity towards benzoate than acetate, i.e., the selectivity patterns of the final sensors deviated from that predicted by the classic titration experiments. While the binding constants obtained by NMR titration in DMSO-d6/H2O solvent systems provided important guidance for sensor development, the results obtained in this work emphasize the importance of evaluating the binding behavior of receptors in real sensor membranes.
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Affiliation(s)
- Alo Rüütel
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
| | - Ville Yrjänä
- Johan Gadolin Process Chemistry Centre, Laboratory of Molecular Science and Engineering, Åbo Akademi University, Biskopsgatan 8, FI-20500 Turku/Åbo, Finland
| | - Sandip A Kadam
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
| | - Indrek Saar
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
| | - Mihkel Ilisson
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
| | - Astrid Darnell
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
| | - Kristjan Haav
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
| | - Tõiv Haljasorg
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
| | - Lauri Toom
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
| | - Johan Bobacka
- Johan Gadolin Process Chemistry Centre, Laboratory of Molecular Science and Engineering, Åbo Akademi University, Biskopsgatan 8, FI-20500 Turku/Åbo, Finland
| | - Ivo Leito
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia, https://analytical.chem.ut.ee
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