1
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Entrena JM, Artacho-Cordón A, Ravez S, Liberelle M, Melnyk P, Toledano-Pinedo M, Almendros P, Cobos EJ, Marco-Contelles J. The proof of concept of 2-{3-[N-(1-benzylpiperidin-4-yl)propyl]amino}-6-[N-methyl-N-(prop-2-yn-1-yl)amino]-4-phenylpyridine-3,5-dicarbonitrile for the therapy of neuropathic pain. Bioorg Chem 2024; 150:107537. [PMID: 38852313 DOI: 10.1016/j.bioorg.2024.107537] [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: 04/02/2024] [Revised: 05/23/2024] [Accepted: 06/04/2024] [Indexed: 06/11/2024]
Abstract
In the search for new small molecules for the therapy of neuropathic pain, we found that 2-{3-[N-(1-benzylpiperidin-4-yl)propyl]amino}-6-[N-methyl-N-(prop-2-yn-1-yl)amino]-4-phenylpyridine-3,5-dicarbonitrile (12) induced a robust antiallodynic effect in capsaicin-induced mechanical allodynia, a behavioural model of central sensitization, through σ1R antagonism. Furthermore, administration of compound 12 to neuropathic animals, fully reversed mechanical allodynia, increasing its mechanical threshold to levels that were not significantly different from those found in paclitaxel-vehicle treated mice or from basal levels before neuropathy was induced. Ligand 12 is thus a promising hit-compound for the therapy of neuropathic pain.
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Affiliation(s)
- José M Entrena
- Department of Pharmacology, and Neurosciences Institute (Biomedical Research Center), University of Granada, Granada, Spain.
| | - Antonia Artacho-Cordón
- Department of Pharmacology, and Neurosciences Institute (Biomedical Research Center), University of Granada, Granada, Spain
| | - Séverine Ravez
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neurosciences & Cognition, F-59000 Lille, France
| | - Maxime Liberelle
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neurosciences & Cognition, F-59000 Lille, France
| | - Patricia Melnyk
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neurosciences & Cognition, F-59000 Lille, France
| | - Mireia Toledano-Pinedo
- Institute of General Organic Chemistry (CSIC), C/Juan de la Cierva 3, 28006-Madrid, Spain
| | - Pedro Almendros
- Institute of General Organic Chemistry (CSIC), C/Juan de la Cierva 3, 28006-Madrid, Spain
| | - Enrique J Cobos
- Department of Pharmacology, and Neurosciences Institute (Biomedical Research Center), University of Granada, Granada, Spain; Biosanitary Research Institute ibs.GRANADA, Granada, Spain; Teófilo Hernando Institute for Drug Discovery, Madrid, Spain
| | - José Marco-Contelles
- Institute of General Organic Chemistry (CSIC), C/Juan de la Cierva 3, 28006-Madrid, Spain; Centre for Biomedical Network Research on Rare Diseases (CIBERER), CIBER, ISCIII, Madrid, Spain.
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2
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Fallica AN, Ciaffaglione V, Modica MN, Pittalà V, Salerno L, Amata E, Marrazzo A, Romeo G, Intagliata S. Structure-activity relationships of mixed σ1R/σ2R ligands with antiproliferative and anticancer effects. Bioorg Med Chem 2022; 73:117032. [DOI: 10.1016/j.bmc.2022.117032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/16/2022] [Accepted: 09/21/2022] [Indexed: 11/27/2022]
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3
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Holtschulte C, Börgel F, Westphälinger S, Schepmann D, Civenni G, Laurini E, Marson D, Catapano CV, Pricl S, Wünsch B. Synthesis of aminoethyl substituted piperidine derivatives as σ1 receptor ligands with antiproliferative properties. ChemMedChem 2022; 17:e202100735. [PMID: 35077612 PMCID: PMC9303367 DOI: 10.1002/cmdc.202100735] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 01/17/2022] [Indexed: 12/05/2022]
Abstract
A series of novel σ1 receptor ligands with a 4‐(2‐aminoethyl)piperidine scaffold was prepared and biologically evaluated. The underlying concept of our project was the improvement of the lipophilic ligand efficiency of previously synthesized potent σ1 ligands. The key steps of the synthesis comprise the conjugate addition of phenylboronic acid at dihydropyridin‐4(1H)‐ones 7, homologation of the ketones 8 and introduction of diverse amino moieties and piperidine N‐substituents. 1‐Methylpiperidines showed particular high σ1 receptor affinity and selectivity over the σ2 subtype, whilst piperidines with a proton, a tosyl moiety or an ethyl moiety exhibited considerably lower σ1 affinity. Molecular dynamics simulations with per‐residue binding free energy deconvolution demonstrated that different interactions of the basic piperidine‐N‐atom and its substituents (or the cyclohexane ring) with the lipophilic binding pocket consisting of Leu105, Thr181, Leu182, Ala185, Leu186, Thr202 and Tyr206 are responsible for the different σ1 receptor affinities. Recorded logD7.4 and calculated clogP values of 4a and 18a indicate low lipophilicity and thus high lipophilic ligand efficiency. Piperidine 4a inhibited the growth of human non‐small cell lung cancer cells A427 to a similar extent as the σ1 antagonist haloperidol. 1‐Methylpiperidines 20a, 21a and 22a showed stronger antiproliferative effects on androgen negative human prostate cancer cells DU145 than the σ1 ligands NE100 and S1RA.
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Affiliation(s)
- Catharina Holtschulte
- Institut für Pharmazeutische und Medizinische ChemieWestfälische Wilhelms-Universität MünsterCorrensstraße 4848149MünsterGermany
| | - Frederik Börgel
- Institut für Pharmazeutische und Medizinische ChemieWestfälische Wilhelms-Universität MünsterCorrensstraße 4848149MünsterGermany
| | - Stefanie Westphälinger
- Institut für Pharmazeutische und Medizinische ChemieWestfälische Wilhelms-Universität MünsterCorrensstraße 4848149MünsterGermany
| | - Dirk Schepmann
- Institut für Pharmazeutische und Medizinische ChemieWestfälische Wilhelms-Universität MünsterCorrensstraße 4848149MünsterGermany
| | - Gianluca Civenni
- Institute of Oncology ResearchUniversità della Svizzera Italiana (USI)Via Vincenzo Vela 66500BellinzonaSwitzerland
| | - Erik Laurini
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEAUniversity of Trieste34127TriesteItaly
| | - Domenico Marson
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEAUniversity of Trieste34127TriesteItaly
| | - Carlo V. Catapano
- Institute of Oncology ResearchUniversità della Svizzera Italiana (USI)Via Vincenzo Vela 66500BellinzonaSwitzerland
| | - Sabrina Pricl
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEAUniversity of Trieste34127TriesteItaly
- Department of General BiophysicsFaculty of Biology and Environmental ProtectionUniversity of Lodz90-237LodzPoland
| | - Bernhard Wünsch
- Institut für Pharmazeutische und Medizinische ChemieWestfälische Wilhelms-Universität MünsterCorrensstraße 4848149MünsterGermany
- Chemical biology of ion channels (Chembion)Westfälische Wilhelms-Universität MünsterCorrensstraße 4848149MünsterGermany
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4
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Synthesis of both enantiomers and the 13C derivative of CPI-2850, the major metabolite of Devimistat. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2021.100268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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5
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Kopp N, Civenni G, Marson D, Laurini E, Pricl S, Catapano CV, Humpf HU, Almansa C, Nieto FR, Schepmann D, Wünsch B. Chemoenzymatic synthesis of 2,6-disubstituted tetrahydropyrans with high σ 1 receptor affinity, antitumor and analgesic activity. Eur J Med Chem 2021; 219:113443. [PMID: 33901806 DOI: 10.1016/j.ejmech.2021.113443] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/22/2021] [Accepted: 03/29/2021] [Indexed: 02/06/2023]
Abstract
1,3-Dioxanes 1 and cyclohexanes 2 bearing a phenyl ring and an aminoethyl moiety in 1,3-relationship to each other represent highly potent σ1 receptor antagonists. In order to increase the chemical stability of the acetalic 1,3-dioxanes 1 and the polarity of the cyclohexanes 2, tetrahydropyran derivatives 3 equipped with the same substituents were designed, synthesized and pharmacologically evaluated. The key step of the synthesis was a lipase-catalyzed enantioselective acetylation of the alcohol (R)-5 leading finally to enantiomerically pure test compounds 3a-g. With respect to σ1 receptor affinity and selectivity over a broad range of related (σ2, PCP binding site) and further targets, the enantiomeric benzylamines 3a and cyclohexylmethylamines 3b represent the most promising drug candidates of this series. However, the eudismic ratio for σ1 binding is only in the range of 2.5-3.3. Classical molecular dynamics (MD) simulations confirmed the same binding pose for both the tetrahydropyran 3 and cyclohexane derivatives 2 at the σ1 receptor, according to which: i) the protonated amino moiety of (2S,6R)-3a engages the same key polar interactions with Glu172 (ionic) and Phe107 (π-cation), ii) the lipophilic parts of (2S,6R)-3a are hosted in three hydrophobic regions of the σ1 receptor, and iii) the O-atom of the tetrahydropyran derivatives 3 does not show a relevant interaction with the σ1 receptor. Further in silico evidences obtained by the application of free energy perturbation and steered MD techniques fully supported the experimentally observed difference in receptor/ligand affinities. Tetrahydropyrans 3 require a lower dissociative force peak than cyclohexane analogs 2. Enantiomeric benzylamines 3a and cyclohexylmethylamines 3b were able to inhibit the growth of the androgen negative human prostate cancer cell line DU145. The cyclohexylmethylamine (2S,6R)-3b showed the highest σ1 affinity (Ki(σ1) = 0.95 nM) and the highest analgesic activity in vivo (67%).
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Affiliation(s)
- Nicole Kopp
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149, Münster, Germany
| | - Gianluca Civenni
- Institute of Oncology Research, Università della Svizzera Italiana (USI), Via Vincenzo Vela 6, CH-6500, Bellinzona, Switzerland
| | - Domenico Marson
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEA, University of Trieste, 34127, Trieste, Italy
| | - Erik Laurini
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEA, University of Trieste, 34127, Trieste, Italy
| | - Sabrina Pricl
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEA, University of Trieste, 34127, Trieste, Italy; Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Carlo V Catapano
- Institute of Oncology Research, Università della Svizzera Italiana (USI), Via Vincenzo Vela 6, CH-6500, Bellinzona, Switzerland
| | - Hans-Ulrich Humpf
- Institut für Lebensmittelchemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 45, D-48149, Münster, Germany
| | - Carmen Almansa
- Esteve Pharmaceuticals S.A., Baldiri Reixach 4-8, 08028, Barcelona, Spain
| | - Francisco Rafael Nieto
- Department of Pharmacology and Neurosciences Institute (Biomedical Research Center), University of Granada and Biosanitary Research Institute, 18010, Granada, Spain
| | - Dirk Schepmann
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149, Münster, Germany
| | - Bernhard Wünsch
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149, Münster, Germany; GRK 2515, Chemical Biology of Ion Channels (Chembion), Westfälische Wilhelms-Universität Münster, Germany.
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6
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Deuther-Conrad W, Diez-Iriepa D, Iriepa I, López-Muñoz F, Martínez-Grau MA, Gütschow M, Marco-Contelles J. Studies on the affinity of 6-[( n-(cyclo)aminoalkyl)oxy]-4 H-chromen-4-ones for sigma 1/2 receptors. RSC Med Chem 2021; 12:1000-1004. [PMID: 34223165 DOI: 10.1039/d1md00105a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 05/05/2021] [Indexed: 11/21/2022] Open
Abstract
Sigma (σ) receptors represent attractive targets for the development of potential agents for the treatment of several disorders, including Alzheimer's disease and neuropathic pain. In the search for multitarget small molecules (MSMs) against such disorders, we have re-discovered chromenones as new affine σ1/σ2 ligands. 6-(4-(Piperidin-1-yl)butoxy)-4H-chromen-4-one (7), a previously identified MSM with potent dual-target activities against acetylcholinesterase and monoamine oxidase B, also exhibited σ1/σ2 affinity. 6-(3-(Azepan-1-yl)propoxy)-4H-chromen-4-one (20) showed a K i value for σ1 of 27.2 nM (selectivity (σ1/σ2) = 28), combining the desired σ1 receptor affinity with a dual inhibitory capacity against both acetyl- and butyrylcholinesterase. 6-((5-Morpholinopentyl)oxy)-4H-chromen-4-one (12) was almost equipotent to S1RA, an established σ1 receptor antagonist.
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Affiliation(s)
- Winnie Deuther-Conrad
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research, Department of Neuroradiopharmaceuticals 04318 Leipzig Germany
| | - Daniel Diez-Iriepa
- Department of Organic and Inorganic Chemistry, University of Alcalá Ctra. Madrid-Barcelona, Km. 33,6, 28871 Alcalá de Henares Madrid Spain
| | - Isabel Iriepa
- Department of Organic and Inorganic Chemistry, University of Alcalá Ctra. Madrid-Barcelona, Km. 33,6, 28871 Alcalá de Henares Madrid Spain
| | - Francisco López-Muñoz
- Faculty of Health, Camilo José Cela University of Madrid (UCJC), Spain; Neuropsychopharmacology Unit, "Hospital 12 de Octubre" Research Institute Madrid Spain
| | | | - Michael Gütschow
- Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn An der Immenburg 4 53121 Bonn Germany
| | - José Marco-Contelles
- Laboratory of Medicinal Chemistry, IQOG, CSIC C/Juan de la Cierva 3 28006 Madrid Spain
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7
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Ugale V, Dhote A, Narwade R, Khadse S, Reddy PN, Shirkhedkar A. GluN2B/N-methyl-D-aspartate Receptor Antagonists: Advances in Design, Synthesis, and Pharmacological Evaluation Studies. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2021; 20:822-862. [PMID: 33687902 DOI: 10.2174/1871527320666210309141627] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/13/2020] [Accepted: 01/11/2021] [Indexed: 11/22/2022]
Abstract
Selective GluN2B/N-methyl-D-aspartate receptor (NMDAR) antagonists have exposed their clinical effectiveness in a cluster of neurodegenerative diseases, such as epilepsy, Alzheimer's disease, Parkinson's disease, pain, and depression. Hence, GluN2B/NMDARs are considered to be a prospective target for the management of neurodegenerative diseases. Here, we have discussed the current results and significance of subunit selective GluN2B/NMDAR antagonists to pave the way for the establishment of new, safe, and economical drug candidates in the near future. By using summarized data of selective GluN2B/NMDAR antagonists, medicinal chemists are certainly a step closer to the goal of improving the therapeutic and side effect profile of selective antagonists. Outlined summary of designing strategies, synthetic schemes, and pharmacological evaluation studies reinvigorate efforts to identify, modify, and synthesize novel GluN2B/NMDAR antagonists for treating neurodegenerative diseases.
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Affiliation(s)
- Vinod Ugale
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dist: Dhule (MS) 425405, India
| | - Ashish Dhote
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dist: Dhule (MS) 425405, India
| | - Rushikesh Narwade
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dist: Dhule (MS) 425405, India
| | - Saurabh Khadse
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dist: Dhule (MS) 425405, India
| | - P Narayana Reddy
- Department of Chemistry, Gitam School of Technology, Gitam University, Hyderabad (T.S), India
| | - Atul Shirkhedkar
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Dist: Dhule (MS) 425405, India
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8
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Kopp N, Holtschulte C, Börgel F, Lehmkuhl K, Friedland K, Civenni G, Laurini E, Catapano CV, Pricl S, Humpf HU, Schepmann D, Wünsch B. Novel σ 1 antagonists designed for tumor therapy: Structure - activity relationships of aminoethyl substituted cyclohexanes. Eur J Med Chem 2021; 210:112950. [PMID: 33148494 DOI: 10.1016/j.ejmech.2020.112950] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/19/2020] [Accepted: 10/14/2020] [Indexed: 12/15/2022]
Abstract
Depending on the substitution pattern and stereochemistry, 1,3-dioxanes 1 with an aminoethyl moiety in 4-position represent potent σ1 receptor antagonists. In order to increase the stability, a cyclohexane ring first replaced the acetalic 1, 3-dioxane ring of 1. A large set of aminoethyl substituted cyclohexane derivatives was prepared in a six-step synthesis. All enantiomers and diastereomers were separated by chiral HPLC at the stage of the primary alcohol 7, and their absolute configuration was determined by CD spectroscopy. Neither the relative nor the absolute configuration had a large impact on the σ1 affinity. The highest σ1 affinity was found for cis-configured benzylamines (1R,3S)-11 (Ki = 0.61 nM) and (1S,3R)-11 (Ki = 1.3 nM). Molecular dynamics simulations showed that binding of (1R,3S)-11 at the σ1 receptor is stabilized by the typical polar interaction of the protonated amino moiety with the carboxy group of E172 which is optimally oriented by an H-bond interaction with Y103. The lipophilic interaction of I124 with the N-substituent also contributes to the high σ1 affinity of the benzylamines. The antagonistic activity was determined in a Ca2+ influx assay in retinal ganglion cells. The enantiomeric cis-configured benzylamines (1R,3S)-11 and (1S,3R)-11 were able to inhibit the growth of DU145 cells, a highly aggressive human prostate tumor cell line. Moreover, cis-11 could also inhibit the growth of further human tumor cells expressing σ1 receptors. The experimentally determined logD7.4 value of 3.13 for (1R,3S)-11 is in a promising range regarding membrane penetration. After incubation with mouse liver microsomes and NADPH for 90 min, 43% of the parent (1R,3S)-11 remained unchanged, indicating intermediate metabolic stability. Altogether, nine metabolites including one glutathione adduct were detected by means of LC-MS analysis.
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Affiliation(s)
- Nicole Kopp
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149 Münster, Germany
| | - Catharina Holtschulte
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149 Münster, Germany
| | - Frederik Börgel
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149 Münster, Germany
| | - Kirstin Lehmkuhl
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149 Münster, Germany
| | - Kristina Friedland
- Pharmacology and Toxicology, Pharmacy and Biochemistry, Johannes Gutenberg University, Staudingerweg 5, 55128 Mainz, Germany
| | - Gianluca Civenni
- Institute of Oncology Research, Universita Della Svizzera Italiana (USI), Via Vincenzo Vela 6, CH-6500 Bellinzona, Switzerland
| | - Erik Laurini
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEA, University of Trieste, 34127, Trieste, Italy
| | - Carlo V Catapano
- Institute of Oncology Research, Universita Della Svizzera Italiana (USI), Via Vincenzo Vela 6, CH-6500 Bellinzona, Switzerland
| | - Sabrina Pricl
- Molecular Biology and Nanotechnology Laboratory (MolBNL@UniTS), DEA, University of Trieste, 34127, Trieste, Italy; Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Hans-Ulrich Humpf
- Institut für Lebensmittelchemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 45, D-48149 Münster, Germany
| | - Dirk Schepmann
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149 Münster, Germany
| | - Bernhard Wünsch
- Institut für Pharmazeutische und Medizinische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 48, D-48149 Münster, Germany; Cells-in-Motion Cluster of Excellence (EXC 1003 - CiM), Westfälische Wilhelms-Universität Münster, Germany.
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9
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Mathieu G, Patel H, Lebel H. Convenient Continuous Flow Synthesis of N-Methyl Secondary Amines from Alkyl Mesylates and Epoxides. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00193] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Gary Mathieu
- Department of Chemistry and Center in Green Chemistry and Catalysis (CGCC), Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, QC H3C 3J7, Canada
| | - Heena Patel
- Department of Chemistry and Center in Green Chemistry and Catalysis (CGCC), Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, QC H3C 3J7, Canada
| | - Hélène Lebel
- Department of Chemistry and Center in Green Chemistry and Catalysis (CGCC), Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, QC H3C 3J7, Canada
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10
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Novakov IA, Sheikin DS, Navrotskii MB, Mkrtchyan AS, Brunilina LL, Balakin KV. Dexoxadrol and its bioisosteres: structure, synthesis, and pharmacological activity. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2946-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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11
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Arena E, Dichiara M, Floresta G, Parenti C, Marrazzo A, Pittalà V, Amata E, Prezzavento O. Novel Sigma-1 receptor antagonists: from opioids to small molecules: what is new? Future Med Chem 2018; 10:231-256. [PMID: 29185346 DOI: 10.4155/fmc-2017-0164] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023] Open
Abstract
Sigma-1 (σ1) receptor has been identified as a chaperone protein that interacts with other proteins, such as N-methyl-D-aspartate (NMDA) and opioid receptors, modulating their activity. σ1 receptor antagonists have been developed to obtain useful compounds for the treatment of psychoses, pain, drug abuse and cancer. Some interesting compounds such as E-5842 (5) and MS-377 (24), haloperidol and piperazine derivatives, respectively, were endowed with high affinity for σ1 receptors (Ki σ1 = 4 and 73 nM; Ki σ2 = 220 and 6900, respectively). They were developed for the treatment of psychotic disorders and 5 also underwent Phase II clinical trials suggesting interesting potential therapeutic applications. Here, σ1 receptor antagonists have been grouped based on chemical structure and reviewed according to structure-activity relationship and potential therapeutic role.
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Affiliation(s)
- Emanuela Arena
- Department of Drug Sciences, Medicinal Chemistry Section, University of Catania, Viale A Doria 6, 95125 Catania, Italy
| | - Maria Dichiara
- Department of Drug Sciences, Medicinal Chemistry Section, University of Catania, Viale A Doria 6, 95125 Catania, Italy
| | - Giuseppe Floresta
- Department of Drug Sciences, Medicinal Chemistry Section, University of Catania, Viale A Doria 6, 95125 Catania, Italy
- Department of Chemical Sciences, University of Catania, Viale A Doria 6, 95125 Catania, Italy
| | - Carmela Parenti
- Department of Drug Sciences, Pharmacology Section, University of Catania, Viale A Doria 6, 95125 Catania, Italy
| | - Agostino Marrazzo
- Department of Drug Sciences, Medicinal Chemistry Section, University of Catania, Viale A Doria 6, 95125 Catania, Italy
| | - Valeria Pittalà
- Department of Drug Sciences, Medicinal Chemistry Section, University of Catania, Viale A Doria 6, 95125 Catania, Italy
| | - Emanuele Amata
- Department of Drug Sciences, Medicinal Chemistry Section, University of Catania, Viale A Doria 6, 95125 Catania, Italy
| | - Orazio Prezzavento
- Department of Drug Sciences, Medicinal Chemistry Section, University of Catania, Viale A Doria 6, 95125 Catania, Italy
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12
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Asare-Nkansah S, Schepmann D, Wünsch B. Synthesis of conformationally restricted 1,3-dioxanes to analyze the bioactive conformation of 1,3-dioxane-based σ 1 and PCP receptor antagonists. Bioorg Med Chem 2017; 25:2472-2481. [DOI: 10.1016/j.bmc.2017.03.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 03/01/2017] [Accepted: 03/05/2017] [Indexed: 11/30/2022]
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13
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Double Intramolecular Transacetalization of Polyhydroxy Acetals: Synthesis of Conformationally-Restricted 1,3-Dioxanes with Axially-Oriented Phenyl Moiety. Molecules 2016; 21:molecules21111503. [PMID: 27834880 PMCID: PMC6274033 DOI: 10.3390/molecules21111503] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 10/31/2016] [Accepted: 11/03/2016] [Indexed: 11/19/2022] Open
Abstract
The synthesis of conformationally-restricted 1,3-dioxanes with a phenyl moiety fixed in an axial orientation at the acetalic center is described. Starting with diethyl 3-hydroxyglutarate (15), benzaldehyde acetal 12a and acetophenone ketal 12b bearing a protected 1,3,5-trihydroxypentyl side chain in the o-position were prepared. The first acid-catalyzed intramolecular transacetalization gave a mixture of diastereomeric 2-benzofurans 18 (ratio of diastereomers 2:2:1:1). After OH group deprotection, the second intramolecular transacetalization afforded tricyclic alcohol 14a (2-(1,5-epoxy-1,3,4,5-tetrahydro-2-benzoxepin-3-yl]ethan-1-ol). Analogous cyclizations led to the corresponding silyl ether 22a (19%) and azide 23a (13%). Whereas tricyclic alcohol 14a was obtained as a 1:1 mixture of diastereomers, the silyl ether 22a and the azide 23a afforded only one diastereomer. This observation indicates a faster cyclization of the minor diastereomers providing the thermodynamically-favored compounds with equatorially-oriented substituents in the 3-position of the tricyclic 1,5-epoxy-2-benzoxepine system. In general, acetophenone-derived ketalic compounds (b-series) required very mild reaction conditions and gave lower yields than the corresponding acetalic compounds (a-series).
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14
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Bonifazi A, Del Bello F, Mammoli V, Piergentili A, Petrelli R, Cimarelli C, Pellei M, Schepmann D, Wünsch B, Barocelli E, Bertoni S, Flammini L, Amantini C, Nabissi M, Santoni G, Vistoli G, Quaglia W. Novel Potent N-Methyl-d-aspartate (NMDA) Receptor Antagonists or σ1 Receptor Ligands Based on Properly Substituted 1,4-Dioxane Ring. J Med Chem 2015; 58:8601-15. [PMID: 26430967 DOI: 10.1021/acs.jmedchem.5b01214] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Two series of 1,4-dioxanes (4-11 and 12-19) were rationally designed and prepared to interact either with the phencyclidine (PCP) binding site of the N-methyl-d-aspartate (NMDA) receptor or with σ1 receptors, respectively. The biological profiles of the novel compounds were assessed using radioligand binding assays, and the compounds with the highest affinities were investigated for their functional activity. The results were in line with the available pharmacophore models and highlighted that the 1,4-dioxane scaffold is compatible with potent antagonist activity at NMDA receptor or high affinity for σ1 receptors. The primary amines 6b and 7 bearing a cyclohexyl and a phenyl ring or two phenyl rings in position 6, respectively, were the most potent noncompetitive antagonists at the NMDA receptor with IC50 values similar to those of the dissociative anesthetic (S)-(+)-ketamine. The 5,5-diphenyl substitution associated with a benzylaminomethyl moiety in position 2, as in 18, favored the interaction with σ1 receptors.
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Affiliation(s)
- Alessandro Bonifazi
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università di Camerino , Via S. Agostino 1, 62032 Camerino, Italy
- Institut für Pharmazeutische und Medizinische Chemie, Universität Münster , Corrensstraße 48, 48149 Münster, Germany
| | - Fabio Del Bello
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università di Camerino , Via S. Agostino 1, 62032 Camerino, Italy
| | - Valerio Mammoli
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università di Camerino , Via S. Agostino 1, 62032 Camerino, Italy
| | - Alessandro Piergentili
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università di Camerino , Via S. Agostino 1, 62032 Camerino, Italy
| | - Riccardo Petrelli
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università di Camerino , Via S. Agostino 1, 62032 Camerino, Italy
| | - Cristina Cimarelli
- Scuola di Scienze e Tecnologie, Università di Camerino , Via S. Agostino 1, 62032 Camerino, Italy
| | - Maura Pellei
- Scuola di Scienze e Tecnologie, Università di Camerino , Via S. Agostino 1, 62032 Camerino, Italy
| | - Dirk Schepmann
- Institut für Pharmazeutische und Medizinische Chemie, Universität Münster , Corrensstraße 48, 48149 Münster, Germany
| | - Bernhard Wünsch
- Institut für Pharmazeutische und Medizinische Chemie, Universität Münster , Corrensstraße 48, 48149 Münster, Germany
| | - Elisabetta Barocelli
- Dipartimento di Farmacia, Università degli Studi di Parma , V.le delle Scienze 27/A, 43124 Parma, Italy
| | - Simona Bertoni
- Dipartimento di Farmacia, Università degli Studi di Parma , V.le delle Scienze 27/A, 43124 Parma, Italy
| | - Lisa Flammini
- Dipartimento di Farmacia, Università degli Studi di Parma , V.le delle Scienze 27/A, 43124 Parma, Italy
| | - Consuelo Amantini
- Scuola di Bioscienze e Medicina Veterinaria, Università di Camerino , via Madonna delle Carceri 9, 62032 Camerino, Italy
| | - Massimo Nabissi
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università di Camerino , Via Madonna delle Carceri 9, 62032 Camerino, Italy
| | - Giorgio Santoni
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università di Camerino , Via Madonna delle Carceri 9, 62032 Camerino, Italy
| | - Giulio Vistoli
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano , Via Mangiagalli 25, 20133 Milano, Italy
| | - Wilma Quaglia
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università di Camerino , Via S. Agostino 1, 62032 Camerino, Italy
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Vela JM, Merlos M, Almansa C. Investigational sigma-1 receptor antagonists for the treatment of pain. Expert Opin Investig Drugs 2015; 24:883-96. [PMID: 26037209 DOI: 10.1517/13543784.2015.1048334] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
INTRODUCTION The sigma-1 receptor (σ1R) is a ligand-regulated molecular chaperone that interacts with other proteins, including NMDA and opioid receptors, to modulate their activity. Convergent evidence indicates that σ1R antagonists exert inhibitory effects (and agonists stimulatory effects) on pain by stepping down the intracellular signaling cascades involved in transduction of noxious stimuli and plastic changes (i.e., sensitization phenomena) associated with chronic pain states. AREAS COVERED This review addresses three primary domains. The first focuses on mechanisms underlying the antinociceptive effects of σ1R antagonists. The second addresses evidence gained using pharmacological tools and experimental drugs in the discovery phase and clinical development. Finally, the article outlines the potential benefits of σ1R antagonists, alone or in combination, in the context of available pain therapeutics. EXPERT OPINION There is a critical need for new analgesics based on new mechanisms of action. Target identification requires convincing evidence relating targets to function. In turn, target validation requires confirmation of therapeutic benefits, ideally in humans. Current preclinical evidence provides strong rationale for σ1R antagonists in pain. The outcome of clinical studies with the most advanced investigational σ1R antagonist, S1RA (E-52862), will be of great interest to ascertain the potential of this new therapeutic approach to pain management.
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Affiliation(s)
- José Miguel Vela
- ESTEVE, Drug Discovery and Preclinical Development, Carrer Baldiri Reixac , 4-8. Parc Científic de Barcelona, 08028 Barcelona , Spain +34 93 4466244 ; +34 93 4466432 ;
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16
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Hasebein P, Frehland B, Lehmkuhl K, Fröhlich R, Schepmann D, Wünsch B. Synthesis and pharmacological evaluation of like- and unlike-configured tetrahydro-2-benzazepines with the α-substituted benzyl moiety in the 5-position. Org Biomol Chem 2015; 12:5407-26. [PMID: 24934693 DOI: 10.1039/c4ob00510d] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A large set of tetrahydro-2-benzazepines with an α-hydroxy or α-(aryl)alkoxy substituted benzyl moiety in the 5-position was prepared according to the recently reported C6C1 + C3N synthetic strategy. The Heck reaction of 2-iodobenzaldehyde acetal 4 and the subsequent Stetter reaction led to the ketone 7, which was reduced diastereoselectively to form the like-configured alcohol 8. The diastereomeric unlike-configured alcohol 9 was obtained by a Mitsunobu inversion of 8. Alkylation and reductive cyclization of the diastereomeric alcohols 8 and 9 provided like- and unlike-configured 2-benzazepines 13 and 23, which allowed the introduction of various substituents at the N-atom. Analysis of the relationship between the structure and the σ1 affinity revealed that large substituents such as the butyl, benzyl or 4-phenylbutyl moiety at the benzazepine N-atom resulted in high affinity ligands. A p-methoxybenzyl ether is less tolerated by the σ1 receptor than a methyl ether or an alcohol. The unlike-configured alcohols 25d and 27d show slightly higher σ1 affinity than their like-configured diastereomers 15d and 17d. With respect to the σ1 affinity, σ1/σ2 selectivity and lipophilic ligand efficiency, like- and unlike-configured alcohols 15d and 25d represent the most promising σ1 ligands of this series. Interactions of the novel 2-benzazepines with various binding sites of the NMDA receptor were not observed.
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Affiliation(s)
- Peer Hasebein
- Institut für Pharmazeutische und Medizinische Chemie der Westfälischen Wilhelms-Universität Münster, Corrensstraße 48, D-48149 Münster, Germany.
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17
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Gawaskar S, Schepmann D, Bonifazi A, Wünsch B. Synthesis, GluN2B affinity and selectivity of benzo[7]annulen-7-amines. Bioorg Med Chem 2014; 22:6638-6646. [DOI: 10.1016/j.bmc.2014.10.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 09/30/2014] [Accepted: 10/06/2014] [Indexed: 11/30/2022]
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18
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Almansa C, Vela JM. Selective sigma-1 receptor antagonists for the treatment of pain. Future Med Chem 2014; 6:1179-99. [PMID: 25078137 DOI: 10.4155/fmc.14.54] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023] Open
Abstract
The sigma-1 receptor (σ1R) is located in areas of the CNS key for pain control and belongs to a unique target class with chaperoning functions over different molecular targets involved in transmission and amplification of nociceptive messages. Preclinical evidence supports a role for σ1R antagonists in the treatment of pain states where hypersensitivity develops as hyperalgesia and allodynia, two common symptoms encountered in neuropathic and other chronic pain conditions. Additionally, σ1R antagonists increase opioid analgesia without increasing opioid-related unwanted effects, which point to their potential use as opioid adjuvant therapy. This review summarizes the structure and function of the σ1R as well as the medicinal chemistry and pharmacological studies directed to the identification of σ1R antagonists for the treatment of pain.
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Affiliation(s)
- Carmen Almansa
- Drug Discovery and Preclinical Development, ESTEVE, Baldiri Reixach, 4-8, 08028 Barcelona, Spain
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19
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Novel benzopolycyclic amines with NMDA receptor antagonist activity. Bioorg Med Chem 2014; 22:2678-83. [DOI: 10.1016/j.bmc.2014.03.025] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2013] [Revised: 03/11/2014] [Accepted: 03/14/2014] [Indexed: 02/05/2023]
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20
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Benner A, Bonifazi A, Shirataki C, Temme L, Schepmann D, Quaglia W, Shoji O, Watanabe Y, Daniliuc C, Wünsch B. GluN2B-selective N-methyl-D-aspartate (NMDA) receptor antagonists derived from 3-benzazepines: synthesis and pharmacological evaluation of benzo[7]annulen-7-amines. ChemMedChem 2014; 9:741-51. [PMID: 24677663 DOI: 10.1002/cmdc.201300547] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Indexed: 11/11/2022]
Abstract
Given their high neuroprotective potential, ligands that block GluN2B-containing N-methyl-D-aspartate (NMDA) receptors by interacting with the ifenprodil binding site located on the GluN2B subunit are of great interest for the treatment of various neuronal disorders. In this study, a novel class of GluN2B-selective NMDA receptor antagonists with the benzo[7]annulene scaffold was prepared and pharmacologically evaluated. The key intermediate, N-(2-methoxy-5-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-7-yl)acetamide (11), was obtained by cyclization of 3-acetamido-5-(3-methoxyphenyl)pentanoic acid (10 b). The final reaction steps comprise hydrolysis of the amide, reduction of the ketone, and reductive alkylation, leading to cis- and trans-configured 7-(ω-phenylalkylamino)benzo[7]annulen-5-ols. High GluN2B affinity was observed with cis-configured γ-amino alcohols substituted with a 3-phenylpropyl moiety at the amino group. Removal of the benzylic hydroxy moiety led to the most potent GluN2B antagonists of this series: 2-methoxy-N-(3-phenylpropyl)-6,7,8,9-tetrahydro-5H-benzo[7]annulen-7-amine (20 a, Ki =10 nM) and 2-methoxy-N-methyl-N-(3-phenylpropyl)-6,7,8,9-tetrahydro-5H-benzo[7]annulen-7-amine (23 a, Ki =7.9 nM). The selectivity over related receptors (phencyclidine binding site of the NMDA receptor, σ1 and σ2 receptors) was recorded. In a functional assay measuring the cytoprotective activity of the benzo[7]annulenamines, all tested compounds showed potent NMDA receptor antagonistic activity. Cytotoxicity induced via GluN2A subunit-containing NMDA receptors was not inhibited by the new ligands.
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Affiliation(s)
- Andre Benner
- Institut für Pharmazeutische und Medizinische Chemie der Universität, Münster, Corrensstraße 48, 48149 Münster (Germany)
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21
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Fu Y, Ye F, Li Y, Gao S, Zhao LX. Microwave-Assisted Synthesis and Crystal Structure of Novel 2-Dichloromethyl-1,3-dioxolanes. HETEROCYCLES 2013. [DOI: 10.3987/com-12-12628] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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22
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Köhler J, Bergander K, Fabian J, Schepmann D, Wünsch B. Enantiomerically Pure 1,3-Dioxanes as Highly Selective NMDA and σ1 Receptor Ligands. J Med Chem 2012; 55:8953-7. [DOI: 10.1021/jm301166m] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jens Köhler
- Institut für Pharmazeutische
und Medizinische Chemie, Westfälische Wilhelms-Universität
Münster, Hittorfstraße 58-62, D-48149 Münster,
Germany
| | - Klaus Bergander
- Organisch-Chemisches
Institut,
Westfälische Wilhelms-Universität Münster, Corrensstraße
40, D-48149 Münster, Germany
| | - Jörg Fabian
- Institut für Pharmazeutische
und Medizinische Chemie, Westfälische Wilhelms-Universität
Münster, Hittorfstraße 58-62, D-48149 Münster,
Germany
| | - Dirk Schepmann
- Institut für Pharmazeutische
und Medizinische Chemie, Westfälische Wilhelms-Universität
Münster, Hittorfstraße 58-62, D-48149 Münster,
Germany
| | - Bernhard Wünsch
- Institut für Pharmazeutische
und Medizinische Chemie, Westfälische Wilhelms-Universität
Münster, Hittorfstraße 58-62, D-48149 Münster,
Germany
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Dikusar EA, Potkin VI, Zvereva TD, Zhukovskaya NA, Zubenko YS, Kletskov AV, Zolotar’ RM, Chepik OP. Synthesis of 1,3-dioxolanes from substituted benzaldehydes of the vanillin series. RUSS J GEN CHEM+ 2012. [DOI: 10.1134/s1070363212090149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Synthesis of a series of γ-amino alcohols comprising an N-methyl isoindoline moiety and their evaluation as NMDA receptor antagonists. Bioorg Med Chem Lett 2011; 21:5795-9. [DOI: 10.1016/j.bmcl.2011.07.119] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2011] [Revised: 07/29/2011] [Accepted: 07/31/2011] [Indexed: 11/18/2022]
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