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Harrouche K, Lahouel A, Belghobsi M, Pirotte B, Khelili S. Synthesis, characterization, and investigation of the antioxidant activity of some 1,2,4-benzothiadiazine-1,1-dioxides bearing sulfonylthioureas moieties. CAN J CHEM 2019. [DOI: 10.1139/cjc-2019-0194] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A series of 1,2,4-benzothiadiazine-1,1-dioxides bearing a sulfonylthiourea moiety were synthesized, characterized, and screened for their antioxidant activity, using six antioxidant analytical assays comparatively to reference compounds, ascorbic acid and quercetin. The results indicated that several compounds demonstrated strong antioxidant activity in DPPH, ABTS, H2O2, and lipid peroxidation assays where some of them were either as active as or more active than reference compounds. However, all compounds were largely less active than references compounds in the reducing power assay. The results indicated that the thiourea moiety probably played a crucial role in the antioxidant activity of the target compounds, as a thiolate ion. The most favorable R1groups were the hydrogen atom and methyl group, followed by phenyl and benzyl groups, whereas the most favorable R2group was iPr, followed by the phenyl and methyl groups. The combination of benzothiadiazine ring with sulfonylthiourea moieties led to valuable new antioxidants, which could be used in the treatment or the prevention of certain diseases or in the field of cosmetics, which needs further investigations in the future.
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Affiliation(s)
- Kamel Harrouche
- Laboratoire de Phytochimie et de Pharmacologie, Département de Chimie, Faculté des Sciences Exactes et Informatique, Université Mohamed Seddik Ben Yahia Jijel, Jijel 18000, Algeria
| | - Asma Lahouel
- Laboratoire de Phytochimie et de Pharmacologie, Département de Chimie, Faculté des Sciences Exactes et Informatique, Université Mohamed Seddik Ben Yahia Jijel, Jijel 18000, Algeria
| | - Mebrouk Belghobsi
- Laboratoire de Phytochimie et de Pharmacologie, Département de Chimie, Faculté des Sciences Exactes et Informatique, Université Mohamed Seddik Ben Yahia Jijel, Jijel 18000, Algeria
| | - Bernard Pirotte
- Laboratoire de Chimie Pharmaceutique, Center for Interdisciplinary Research on Medicines (CIRM), Université de Liège, 15, Avenue Hippocrate, Liège B-4000, Belgium
| | - Smail Khelili
- Laboratoire de Phytochimie et de Pharmacologie, Département de Chimie, Faculté des Sciences Exactes et Informatique, Université Mohamed Seddik Ben Yahia Jijel, Jijel 18000, Algeria
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Constant-Urban C, Charif M, Goffin E, Van Heugen JC, Elmoualij B, Chiap P, Mouithys-Mickalad A, Serteyn D, Lebrun P, Pirotte B, De Tullio P. Triphenylphosphonium salts of 1,2,4-benzothiadiazine 1,1-dioxides related to diazoxide targeting mitochondrial ATP-sensitive potassium channels. Bioorg Med Chem Lett 2013; 23:5878-81. [DOI: 10.1016/j.bmcl.2013.08.091] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2013] [Revised: 08/22/2013] [Accepted: 08/26/2013] [Indexed: 01/03/2023]
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Cherepakha A, Kovtunenko VO, Tolmachev A, Lukin O. A Noncatalytic Approach to Hetaryl-Annulated 1,2,4-Thiadiazine-1,1-dioxides. J Heterocycl Chem 2013. [DOI: 10.1002/jhet.1029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Artem Cherepakha
- ChemBioCenter, National Taras Shevchenko University; Kiev; 01033; Ukraine
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Eftekhari-Sis B, Zirak M, Akbari A. Arylglyoxals in Synthesis of Heterocyclic Compounds. Chem Rev 2013; 113:2958-3043. [DOI: 10.1021/cr300176g] [Citation(s) in RCA: 228] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Bagher Eftekhari-Sis
- Department of Chemistry, Faculty
of Science, University of Maragheh, Golshahr,
P.O. Box. 55181-83111, Maragheh, Iran
| | - Maryam Zirak
- Department of Chemistry, Payame Noor University, P.O. Box 19395-3697, Tehran,
Iran
| | - Ali Akbari
- Department of Chemistry, Faculty
of Science, University of Maragheh, Golshahr,
P.O. Box. 55181-83111, Maragheh, Iran
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Carrozzo MM, Battisti UM, Cannazza G, Citti C, Parenti C, Troisi L. Regioselective cyclization of chloroacylaminobenzenesulfonamide derivatives. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.04.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Efficient synthesis of 5,6-dihydro-8H-[1,2,4]thiadiazino[6,5,4-de]phenanthridine 4,4-dioxide and 5,6-dihydro-8H-[1,2,4]-thiadiazino[6,5,4-ij]thieno[2,3-c]quinoline 4,4-dioxide. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2011.12.091] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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de Tullio P, Servais AC, Fillet M, Gillotin F, Somers F, Chiap P, Lebrun P, Pirotte B. Hydroxylated Analogues of ATP-Sensitive Potassium Channel Openers Belonging to the Group of 6- and/or 7-Substituted 3-Isopropylamino-4H-1,2,4-benzothiadiazine 1,1-Dioxides: Toward an Improvement in Sulfonylurea Receptor 1 Selectivity and Metabolism Stability. J Med Chem 2011; 54:8353-61. [DOI: 10.1021/jm200786z] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Pascal de Tullio
- Drug Research Center, Laboratoire de Chimie Pharmaceutique, Université de Liège, Centre Hospitalier Universitaire de Liège, 1 Avenue de l'Hôpital, B36, 4000 Liège, Belgium.
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Recent advances in drug discovery of benzothiadiazine and related analogs as HCV NS5B polymerase inhibitors. Bioorg Med Chem 2011; 19:4690-703. [PMID: 21798747 DOI: 10.1016/j.bmc.2011.06.079] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 06/22/2011] [Accepted: 06/27/2011] [Indexed: 01/27/2023]
Abstract
Hepatitis C virus (HCV) is a major health burden, with an estimated 170 million chronically infected individuals worldwide, and a leading cause of liver transplantation. Patients are at increased risk of developing liver cirrhosis, hepatocellular carcinoma and even liver failure. In the past two decades, several approaches have been adopted to inhibit non-structural viral proteins. The RNA-dependent RNA polymerase (NS5B) of HCV is one of the attractive validated targets for development of new drugs to block HCV infection. In this review, we report the recent progress made towards identifying and developing benzothiadiazines as HCV NS5B polymerase inhibitors. The substituted benzothiadiazine class was identified by HTS in 2002 as an NS5B inhibitor. Further optimization and modification of the core has improved the potency and pharmacokinetic properties of substituted benzothiadiazines. Research on palm site-binding benzothiadiazine analogs and related derivatives and analogs is discussed in this article.
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Wenzel M, Light ME, Davis AP, Gale PA. Thiourea isosteres as anion receptors and transmembrane transporters. Chem Commun (Camb) 2011; 47:7641-3. [PMID: 21655625 DOI: 10.1039/c1cc12439k] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Compounds containing cyanoguanidine and 3-amino-1,2,4-benzothiadiazine-1,1-dioxide have been studied as anion receptors and transporters. Significant affinity for oxo-anions was observed in organic solution and the receptors were found to function as transmembrane chloride/nitrate antiporters with transport rates enhanced in the presence of valinomycin-K(+) complex.
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Affiliation(s)
- Marco Wenzel
- Chemistry, University of Southampton, Southampton, SO17 1BJ, UK
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Kamal A, Shetti RV, Azeeza S, Swapna P, Khan MNA, Khan IA, Sharma S, Abdullah ST. Anti-tubercular agents. Part 6: Synthesis and antimycobacterial activity of novel arylsulfonamido conjugated oxazolidinones. Eur J Med Chem 2011; 46:893-900. [DOI: 10.1016/j.ejmech.2010.12.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2010] [Revised: 12/06/2010] [Accepted: 12/28/2010] [Indexed: 10/18/2022]
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Lachenicht S, Fischer A, Schmidt C, Winkler M, Rood A, Lemoine H, Braun M. Synthesis of Modified 4H-1,2,4-Benzothiadiazine-1,1-dioxides and Determination of their Affinity and Selectivity for Different Types of KATPChannels. ChemMedChem 2009; 4:1850-8. [DOI: 10.1002/cmdc.200900261] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Cramer RD, Cruz P, Stahl G, Curtiss WC, Campbell B, Masek BB, Soltanshahi F. Virtual screening for R-groups, including predicted pIC50 contributions, within large structural databases, using Topomer CoMFA. J Chem Inf Model 2009; 48:2180-95. [PMID: 18956863 DOI: 10.1021/ci8001556] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Multiple R-groups (monovalent fragments) are implicitly accessible within most of the molecular structures that populate large structural databases. R-group searching would desirably consider pIC50 contribution forecasts as well as ligand similarities or docking scores. However, R-group searching, with or without pIC50 forecasts, is currently not practical. The most prevalent and reliable source of pIC50 predictions, existing 3D-QSAR approaches, is also difficult and somewhat subjective. Yet in 25 of 25 trials on data sets on which a field-based 3D-QSAR treatment had already succeeded, substitution of objective (canonically generated) topomer poses for the original structure-guided manual alignments produced acceptable 3D-QSAR models, on average having almost equivalent statistical quality to the published models, and with negligible effort. Their overall pIC50 prediction error is 0.805, calculated as the average over these 25 topomer CoMFA models in the standard deviations of pIC50 predictions, derived from the 1109 possible "leave-out-one-R-group" (LOORG) pIC50 contributions. (This novel LOORG protocol provides a more realistic and stringent test of prediction accuracy than the customary "leave-out-one-compound" LOO approach.) The associated average predictive r(2) of 0.495 indicates a pIC50 prediction accuracy roughly halfway between perfect and useless. To assess the ability of topomer-CoMFA based virtual screening to identify "highly active" R-groups, a Receiver Operating Curve (ROC) approach was adopted. Using, as the binary criterion for a "highly active" R-group, a predicted pIC50 greater than the top 25% of the observed pIC50 range, the ROC area averaged across the 25 topomer CoMFA models is 0.729. Conventionally interpreted, the odds that a "highly active" R-group will indeed confer such a high pIC50 are 0.729/(1-0.729) or almost 3 to 1. To confirm that virtual screening within large collections of realized structures would provide a useful quantity and variety of R-group suggestions, combining shape similarity with the "highly active" pIC50, the 50 searches provided by these 25 models were applied to 2.2 million structurally distinct R-group candidates among 2.0 million structures within a ZINC database, identifying an average of 5705 R-groups per search, with the highest predicted pIC50 combination averaging 1.6 log units greater than the highest reported pIC50s.
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Affiliation(s)
- Richard D Cramer
- Tripos International, 1699 South Hanley Road, St. Louis, Missouri 63144, USA.
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Kamal A, Ahmed SK, Reddy KS, Khan MNA, Shetty RVCRNC, Siddhardha B, Murthy USN, Khan IA, Kumar M, Sharma S, Ram AB. Anti-tubercular agents. Part IV: Synthesis and antimycobacterial evaluation of nitroheterocyclic-based 1,2,4-benzothiadiazines. Bioorg Med Chem Lett 2007; 17:5419-22. [PMID: 17692520 DOI: 10.1016/j.bmcl.2007.07.027] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2007] [Revised: 07/06/2007] [Accepted: 07/11/2007] [Indexed: 11/24/2022]
Abstract
In continuation of our earlier work on benzothiadiazines, we have prepared a series of nitrofuran, nitrothiophene and arylfuran coupled benzothiadiazines and evaluated them for antimycobacterial and antibacterial activities. One of the compounds 2f has shown good in vitro antimycobacterial activity. All the synthesized compounds have shown moderate to good antibacterial activity.
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Affiliation(s)
- Ahmed Kamal
- Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad 500 007, India.
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Kamal A, Khan MNA, Reddy KS, Rohini K, Sastry GN, Sateesh B, Sridhar B. Synthesis, structure analysis, and antibacterial activity of some novel 10-substituted 2-(4-piperidyl/phenyl)-5,5-dioxo[1,2,4]triazolo[1,5-b][1,2,4]benzothiadiazine derivatives. Bioorg Med Chem Lett 2007; 17:5400-5. [PMID: 17719222 DOI: 10.1016/j.bmcl.2007.07.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2007] [Revised: 07/11/2007] [Accepted: 07/13/2007] [Indexed: 11/28/2022]
Abstract
A new series of 10-substituted 5,5-dioxo-5,10-dihydro[1,2,4]triazolo[1,5-b]-[1,2,4]benzothiadiazine arylsulfonamide derivatives (10a-j and 13a-f) was synthesized. The structures of these compounds were confirmed on the basis of spectral data, elemental analysis, X-ray analysis, and quantum chemical calculations. These compounds were evaluated for their efficacy as antibacterial agents against various Gram-positive and Gram-negative strains of bacteria. Amongst these compounds 10f and 10i were the most active compounds against Escherichia coli and 13e against E. coli as well as Bacillus subtilis. Moreover, other compounds also showed potent inhibitory activity in comparison to the standard drugs.
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Affiliation(s)
- Ahmed Kamal
- Biotransformation Laboratory, Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad 500 007, India.
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