101
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Krüger R, Larroza A, Fronza MG, Tisoco I, Savegnago L, Reis JS, Back DF, Iglesias BA, Alves D. Bis-triazolylchalcogenium-Functionalized Benzothiadiazole Derivatives as Light-up Sensors for DNA and BSA. J Org Chem 2021; 86:17866-17883. [PMID: 34843245 DOI: 10.1021/acs.joc.1c02153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A range of bis-triazolylchalcogenium-BTD 3 was synthesized by a copper-catalyzed azide-alkyne cycloaddition of azido arylchalcogenides 1 and 4,7-diethynylbenzo[c][1,2,5]thiadiazole 2. Eight new compounds were obtained in moderate to good yields using 1 mol % of copper(II) acetate monohydrate under mild reaction conditions. In addition, the synthesized bis-triazolylchalcogenium-BTD 3a-3h were investigated regarding their photophysical, electrochemical, and biomolecule binding properties in solution. In general, compounds presented strong absorption bands at the 250-450 nm region and cyan to green emission properties. The redox process attributed to the chalcogen atom was observed by electrochemical analysis (CV techniques). In addition, spectroscopic studies by UV-vis, steady-state emission fluorescence, and molecular docking calculations evidenced the ability of each derivative to establish interactions with calf-thymus DNA (CT-DNA) and bovine serum albumin (BSA). The behavior presented for this new class of compounds makes them a promising tool as optical sensors for biomolecules.
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Affiliation(s)
- Roberta Krüger
- Clean Organic Synthesis Laboratory - LASOL - CCQFA - Federal University of Pelotas - UFPel, CEP, 96010-900 Pelotas, RS, Brazil
| | - Allya Larroza
- Clean Organic Synthesis Laboratory - LASOL - CCQFA - Federal University of Pelotas - UFPel, CEP, 96010-900 Pelotas, RS, Brazil
| | - Mariana G Fronza
- Neurobiotechnology Research Group - GPN, CDTec, Federal University of Pelotas, UFPel, CEP, 96010-900 Pelotas, RS, Brazil
| | - Isadora Tisoco
- Chemistry Department, Bioinorganics and Porphyrinic Materials Laboratory, Federal University of Santa Maria, UFSM, CEP, 97105-900 Santa Maria, RS, Brazil
| | - Lucielli Savegnago
- Neurobiotechnology Research Group - GPN, CDTec, Federal University of Pelotas, UFPel, CEP, 96010-900 Pelotas, RS, Brazil
| | - Joel S Reis
- Institute of Chemistry, Fluminense Federal University, UFF, CEP, 24020-141 Niteroi, RJ, Brazil
| | - Davi F Back
- Chemistry Department, Inorganic Materials Laboratory, Federal University of Santa Maria, UFSM, CEP, 97105-900 Santa Maria, RS, Brazil
| | - Bernardo A Iglesias
- Chemistry Department, Bioinorganics and Porphyrinic Materials Laboratory, Federal University of Santa Maria, UFSM, CEP, 97105-900 Santa Maria, RS, Brazil
| | - Diego Alves
- Clean Organic Synthesis Laboratory - LASOL - CCQFA - Federal University of Pelotas - UFPel, CEP, 96010-900 Pelotas, RS, Brazil
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102
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Jagdev K, Tanini D, Lownes JW, Figliola C, Male L, Capperucci A, Grainger RS. Glutathione peroxidase mimics based on conformationally-restricted, peri-like, 4,5-disubstituted fluorene dichalcogenides. Org Biomol Chem 2021; 19:10565-10569. [PMID: 34846405 DOI: 10.1039/d1ob02153b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Glutathione peroxidase (GPx) regulates cellular peroxide levels through glutathione oxidation. GPx-mimics based on 4,5-disubstituted fluorene diselenides, their oxides, and ditellurides show catalytic activities consistent with conformational restriction about the dichalcogen bond.
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Affiliation(s)
- Kesar Jagdev
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - Damiano Tanini
- University of Florence, Department of Chemistry "Ugo Shiff", Via della Lastruccia 13, 1-50019 Sesto Fiorentino, Italy
| | - Jack W Lownes
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - Carlotta Figliola
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - Louise Male
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - Antonella Capperucci
- University of Florence, Department of Chemistry "Ugo Shiff", Via della Lastruccia 13, 1-50019 Sesto Fiorentino, Italy
| | - Richard S Grainger
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
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103
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Zimmermann ES, Ferreira LM, Denardi LB, Sari MHM, Cervi VF, Nogueira CW, Alves SH, Cruz L. Mucoadhesive gellan gum hydrogel containing diphenyl diselenide-loaded nanocapsules presents improved anti-candida action in a mouse model of vulvovaginal candidiasis. Eur J Pharm Sci 2021; 167:106011. [PMID: 34537375 DOI: 10.1016/j.ejps.2021.106011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 09/07/2021] [Accepted: 09/15/2021] [Indexed: 12/12/2022]
Abstract
The aim of this study was to evaluate the in vitro antifungal action of a diphenyl diselenide-loaded poly(ε-caprolactone) nanocapsules suspension (NC-1) and incorporate it into a gellan gum hydrogel formulation in order to assess its in vivo efficacy in an animal model of vulvovaginal candidiasis. Nanocapsules suspensions containing the compound (NC-1 ∼ 5 mg/mL) or not (NC-B) were prepared by the interfacial deposition of preformed polymer method. To estimate in vitro antifungal effect, the broth microdilution test was applied. The results showed that NC-1 had equal or lower MIC values when compared to free compound against fifteen Candida strains. Following, the hydrogel was prepared by direct thickening of the nanocapsules suspension by gellan gum addition. The animal model of vulvovaginal candidiasis was induced by infecting female Swiss mice with Candida albicans strains. The animals were topically treated with 20 µL of hydrogels (NC-1 and free compound - 0.1 mg of diphenyl diselenide/once a day for seven days) and then the total fungal burden was assessed after the euthanasia. The results showed that the hydrogels presented pH in the acidic range, compound content close to theoretical value, homogeneous particle distribution with nanometric size, high physicochemical and microbiological stability as well as great bioadhesive property. The nano-based presented superior pharmacological action in comparison to the hydrogel containing non-encapsulated diphenyl diselenide. The results demonstrated that the nanoencapsulation maintained the effective antifungal action of diphenyl diselenide. The nano-based hydrogel formulation may be considered a promising approach against vulvovaginal candidiasis.
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Affiliation(s)
- Estevan Sonego Zimmermann
- Programa de Pós-Graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brasil
| | - Luana Mota Ferreira
- Programa de Pós-Graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brasil
| | - Laura Bedin Denardi
- Programa de Pós-Graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brasil
| | - Marcel Henrique Marcondes Sari
- Programa de Pós-Graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brasil
| | - Verônica Ferrari Cervi
- Programa de Pós-Graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brasil
| | - Cristina Wayne Nogueira
- Programa de Pós-Graduação em Bioquímica Toxicológica, Centro de Ciências da Saúde, Universidade Federal de Santa Maria (UFSM), RS, Brasil
| | - Sydney Hartz Alves
- Programa de Pós-Graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brasil
| | - Letícia Cruz
- Programa de Pós-Graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brasil.
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104
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Nornberg AB, de Aquino TFB, Martins CC, Luchese C, Wilhelm EA, Jacob RG, Hartwig D, Fajardo AR. Organoselenium-chitosan derivative: Synthesis via "click" reaction, characterization and antioxidant activity. Int J Biol Macromol 2021; 191:19-26. [PMID: 34537295 DOI: 10.1016/j.ijbiomac.2021.09.053] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 08/31/2021] [Accepted: 09/09/2021] [Indexed: 02/07/2023]
Abstract
The derivatization of chitosan (CS) is widely exploited to endow this polysaccharide with enhanced physicochemical and biological properties. Beyond the synthetic route, the nature of the compounds used to functionalize the CS-derivatives exerts a pivotal role in their final properties. Making use of a simple "click" reaction, we synthesized for the first time an organoselenium-CS derivative through a 1,2,3-triazole formation. The product (CS-TSe) was characterized in detail by FTIR, NMR (1H, 13C, and 77Se) and UV-Vis techniques, and SEM microscopy. The antioxidant activity of CS-TSe was examined by ABTS+ and DPPH (free radical-scavenging) assays. Experimentally, it was demonstrated that CS-TSe has superior antioxidant activity compared with raw CS and "free" organoselenium compound, suggesting a benign and synergistic effect due to the derivatization. In short, the antioxidant property of CS-TSe combined with the other attractive properties of CS and selenium could be useful in the formulation of advanced materials for biomedical and packaging applications.
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Affiliation(s)
- Andressa B Nornberg
- Laboratório de Tecnologia e Desenvolvimento de Compósitos e Materiais Poliméricos (LaCoPol), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão s/n, 96010-900 Pelotas, RS, Brazil
| | - Thalita F B de Aquino
- Laboratório de Síntese Orgânica Limpa (LASOL), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão, 96010-900 Pelotas, RS, Brazil
| | - Carolina C Martins
- Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão, 96010-900 Pelotas, RS, Brazil
| | - Cristiane Luchese
- Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão, 96010-900 Pelotas, RS, Brazil
| | - Ethel A Wilhelm
- Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão, 96010-900 Pelotas, RS, Brazil
| | - Raquel G Jacob
- Laboratório de Síntese Orgânica Limpa (LASOL), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão, 96010-900 Pelotas, RS, Brazil
| | - Daniela Hartwig
- Laboratório de Síntese Orgânica Limpa (LASOL), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão, 96010-900 Pelotas, RS, Brazil
| | - André R Fajardo
- Laboratório de Tecnologia e Desenvolvimento de Compósitos e Materiais Poliméricos (LaCoPol), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão s/n, 96010-900 Pelotas, RS, Brazil.
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105
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Dembitsky VM. In Silico Prediction of Steroids and Triterpenoids as Potential Regulators of Lipid Metabolism. Mar Drugs 2021; 19:650. [PMID: 34822521 PMCID: PMC8618826 DOI: 10.3390/md19110650] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/12/2021] [Accepted: 11/19/2021] [Indexed: 12/12/2022] Open
Abstract
This review focuses on a rare group of steroids and triterpenoids that share common properties as regulators of lipid metabolism. This group of compounds is divided by the type of chemical structure, and they represent: aromatic steroids, steroid phosphate esters, highly oxygenated steroids such as steroid endoperoxides and hydroperoxides, α,β-epoxy steroids, and secosteroids. In addition, subgroups of carbon-bridged steroids, neo steroids, miscellaneous steroids, as well as synthetic steroids containing heteroatoms S (epithio steroids), Se (selena steroids), Te (tellura steroids), and At (astatosteroids) were presented. Natural steroids and triterpenoids have been found and identified from various sources such as marine sponges, soft corals, starfish, and other marine invertebrates. In addition, this group of rare lipids is found in fungi, fungal endophytes, and plants. The pharmacological profile of the presented steroids and triterpenoids was determined using the well-known computer program PASS, which is currently available online for all interested scientists and pharmacologists and is currently used by research teams from more than 130 countries of the world. Our attention has been focused on the biological activities of steroids and triterpenoids associated with the regulation of cholesterol metabolism and related processes such as anti-hyperlipoproteinemic activity, as well as the treatment of atherosclerosis, lipoprotein disorders, or inhibitors of cholesterol synthesis. In addition, individual steroids and triterpenoids were identified that demonstrated rare or unique biological activities such as treating neurodegenerative diseases, Alzheimer's, and Parkinson's diseases with a high degree of certainty over 95 percent. For individual steroids or triterpenoids or a group of compounds, 3D drawings of their predicted biological activities are presented.
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Affiliation(s)
- Valery M Dembitsky
- Centre for Applied Research, Innovation and Entrepreneurship, Lethbridge College, 3000 College Drive South, Lethbridge, AB T1K 1L6, Canada
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106
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Monsigny L, Cejas Sánchez J, Piątkowski J, Kajetanowicz A, Grela K. Synthesis and Catalytic Properties of a Very Latent Selenium-Chelated Ruthenium Benzylidene Olefin Metathesis Catalyst. Organometallics 2021; 40:3608-3616. [PMID: 34776582 PMCID: PMC8579520 DOI: 10.1021/acs.organomet.1c00484] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Indexed: 11/30/2022]
Abstract
![]()
Herein, we describe
a study of the synthesis, characterization,
and catalytic properties of a cis-dichlorido seleno-chelated
Hoveyda–Grubbs type complex (Ru8). Such a complex
has been obtained through a straightforward and high-yielding synthetic
protocol in three steps from the commercially available 2-bromobenzaldehyde
in good overall yield (54%). The catalytic profile, especially the
latency of this complex, has been probed through selected olefin metathesis
reactions such as ring-closing metathesis (RCM), self-cross-metathesis
(self-CM) and ring-opening metathesis polymerization (ROMP). In addition
to its high latency, the selenium Hoveyda-type complex Ru8 exhibits a switchable behavior upon thermal activation. Of interest,
while the corresponding sulfur-chelated Hoveyda type catalyst is reported
to be only activated by heat, the selenium analogue was found to be
active upon both heat and light irradiation.
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Affiliation(s)
- Louis Monsigny
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Joel Cejas Sánchez
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Jakub Piątkowski
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Anna Kajetanowicz
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Karol Grela
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
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107
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Manna T, Rana A, Misra AK. Synthesis of unsymmetrical glycosyl diselenides by the treatment of symmetrical diselenides with glycosyl selenocyanates. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132358] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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108
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Botteselle GV, Elias WC, Bettanin L, Canto RFS, Salin DNO, Barbosa FAR, Saba S, Gallardo H, Ciancaleoni G, Domingos JB, Rafique J, Braga AL. Catalytic Antioxidant Activity of Bis-Aniline-Derived Diselenides as GPx Mimics. Molecules 2021; 26:molecules26154446. [PMID: 34361597 PMCID: PMC8347129 DOI: 10.3390/molecules26154446] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/14/2021] [Accepted: 07/20/2021] [Indexed: 12/02/2022] Open
Abstract
Herein, we describe a simple and efficient route to access aniline-derived diselenides and evaluate their antioxidant/GPx-mimetic properties. The diselenides were obtained in good yields via ipso-substitution/reduction from the readily available 2-nitroaromatic halides (Cl, Br, I). These diselenides present GPx-mimetic properties, showing better antioxidant activity than the standard GPx-mimetic compounds, ebselen and diphenyl diselenide. DFT analysis demonstrated that the electronic properties of the substituents determine the charge delocalization and the partial charge on selenium, which correlate with the catalytic performances. The amino group concurs in the stabilization of the selenolate intermediate through a hydrogen bond with the selenium.
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Affiliation(s)
- Giancarlo V. Botteselle
- Departamento de Química, Universidade Estadual do Centro-Oeste (UNICENTRO), Guarapuava 85040-167, PR, Brazil
- Correspondence: (G.V.B.); (J.R.); (A.L.B.)
| | - Welman C. Elias
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-970, SC, Brazil; (W.C.E.); (L.B.); (D.N.O.S.); (F.A.R.B.); (H.G.); (J.B.D.)
| | - Luana Bettanin
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-970, SC, Brazil; (W.C.E.); (L.B.); (D.N.O.S.); (F.A.R.B.); (H.G.); (J.B.D.)
| | - Rômulo F. S. Canto
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-170, RS, Brazil;
| | - Drielly N. O. Salin
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-970, SC, Brazil; (W.C.E.); (L.B.); (D.N.O.S.); (F.A.R.B.); (H.G.); (J.B.D.)
| | - Flavio A. R. Barbosa
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-970, SC, Brazil; (W.C.E.); (L.B.); (D.N.O.S.); (F.A.R.B.); (H.G.); (J.B.D.)
| | - Sumbal Saba
- Instituto de Química—IQ, Universidade Federal de Goiás—(UFG), Goiânia 74690-900, GO, Brazil;
| | - Hugo Gallardo
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-970, SC, Brazil; (W.C.E.); (L.B.); (D.N.O.S.); (F.A.R.B.); (H.G.); (J.B.D.)
| | - Gianluca Ciancaleoni
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, I-56124 Pisa, Italy;
| | - Josiel B. Domingos
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-970, SC, Brazil; (W.C.E.); (L.B.); (D.N.O.S.); (F.A.R.B.); (H.G.); (J.B.D.)
| | - Jamal Rafique
- Instituto de Química—INQUI, Universidade Federal do Mato Grosso do Sul (UFMS), Campo Grande 79074-460, MS, Brazil
- Correspondence: (G.V.B.); (J.R.); (A.L.B.)
| | - Antonio L. Braga
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-970, SC, Brazil; (W.C.E.); (L.B.); (D.N.O.S.); (F.A.R.B.); (H.G.); (J.B.D.)
- Department of Chemical Sciences, Faculty of Science, University of Johannesburg, Doornfontein 2028, South Africa
- Correspondence: (G.V.B.); (J.R.); (A.L.B.)
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109
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Santi C, Scimmi C, Sancineto L. Ebselen and Analogues: Pharmacological Properties and Synthetic Strategies for Their Preparation. Molecules 2021; 26:4230. [PMID: 34299505 PMCID: PMC8306772 DOI: 10.3390/molecules26144230] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 02/06/2023] Open
Abstract
Ebselen is the leader of selenorganic compounds, and starting from its identification as mimetic of the key antioxidant enzyme glutathione peroxidase, several papers have appeared in literature claiming its biological activities. It was the subject of several clinical trials and it is currently in clinical evaluation for the treatment of COVID-19 patients. Given our interest in the synthesis and pharmacological evaluation of selenorganic derivatives with this review, we aimed to collect all the papers focused on the biological evaluation of ebselen and its close analogues, covering the timeline between 2016 and most of 2021. Our analysis evidences that, even if it lacks specificity when tested in vitro, being able to bind to every reactive cysteine, it proved to be always well tolerated in vivo, exerting no sign of toxicity whatever the administered doses. Besides, looking at the literature, we realized that no review article dealing with the synthetic approaches for the construction of the benzo[d][1,2]-selenazol-3(2H)-one scaffold is available; thus, a section of the present review article is completely devoted to this specific topic.
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Affiliation(s)
| | | | - Luca Sancineto
- Group of Catalysis and Green Organic Chemistry, Department of Pharmaceutical Sciences, University of Perugia Via del Liceo 1, 06122 Perugia, Italy; (C.S.); (C.S.)
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