1
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Abd-Rabo ZS, Serry AM, George RF. An overview of pyridazin-3(2 H)-one: a core for developing bioactive agents targeting cardiovascular diseases and cancer. Future Med Chem 2024:1-19. [PMID: 39105606 DOI: 10.1080/17568919.2024.2379234] [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: 02/28/2024] [Accepted: 07/03/2024] [Indexed: 08/07/2024] Open
Abstract
Cardiovascular diseases (CVDs) and cancer are the top two leading causes of death globally. Vasodilators are commonly used to treat various CVDs. In cancer treatment, targeted anticancer agents have been developed to minimize side effects compared with traditional chemotherapy. Many hypertension patients are more prone to cancer, a case known as reverse cardio-oncology. This leads to the search for drugs with dual activity or repurposing strategy to discover new therapeutic uses for known drugs. Recently, medicinal chemists have shown great interest in synthesizing pyridazinone derivatives due to their significant biological activities in tackling these critical health challenges. This review will concentrate on pyridazin-3(2H)-one-containing compounds as vasodilators and anticancer agents, along with a brief overview of various methods for their synthesis.
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Affiliation(s)
- Zeinab S Abd-Rabo
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Modern University for Technology & Information MTI, Cairo, 11571, Egypt
| | - Aya M Serry
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Modern University for Technology & Information MTI, Cairo, 11571, Egypt
| | - Riham F George
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
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2
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Abd-Rabo ZS, George RF, Zaafar DK, Gawish AY, Serry AM. Design, synthesis, and biological evaluation of some new 2-phenyl-3,6-pyridazinedione derivatives as PDE-5 inhibitors. Bioorg Chem 2024; 145:107213. [PMID: 38368658 DOI: 10.1016/j.bioorg.2024.107213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 02/05/2024] [Accepted: 02/12/2024] [Indexed: 02/20/2024]
Abstract
Various 2-phenyl-3,6-pyridazinedione derivatives 4a-j, 5a-c, 6a,b, 7a-c, 8, 9, 10a-d, and 11a-d, were effectivelysynthesized, and tested for their potential inhibition of phosphodiesterase enzyme at 10 µM. Then fourteen compounds exhibiting the highest inhibition 4b, 4d, 4e, 4g, 4h, 4i, 5a, 6a,b, 7c, 10a,b, 11a, and 11d were selected for screening their PDE-5 inhibition, where compounds 4b,g,h, and 11a revealed promising PDE-5 inhibition having IC50 values = 25, 53, 22, and 42 nM, respectively in comparison with Sildenafil (IC50 = 16 nM). Additionally, these four most active compounds were safe to normal fibroblast cell line WI-38. Moreover, 4f, 4h, 4j, 10d, and 11d had almost the same anti-proliferative effect against the aortic cell line as Sildenafil. Furthermore, molecular docking illustrated that the binding of the target compounds with the key amino acids in the binding site of PDE-5 (PDB 2H42) was like to that of the cocrystallized ligand Sildenafil. Additionally, molecular dynamics simulation for the most active compound 4h revealed high stability of the 4h -PDE5 complex explaining its promising activity as a PDE-5 inhibitor. Therefore, the 2-phenyl-3,6-pyridazinedione scaffold can be considered an important core for designing more promising PDE-5 inhibitors.
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Affiliation(s)
- Zeinab S Abd-Rabo
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Modern University for Technology and Information MTI, Cairo 11571, Egypt
| | - Riham F George
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt.
| | - Dalia K Zaafar
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Modern University for Technology and Information MTI, Cairo 11571, Egypt
| | - Aya Y Gawish
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Modern University for Technology and Information MTI, Cairo 11571, Egypt
| | - Aya M Serry
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Modern University for Technology and Information MTI, Cairo 11571, Egypt
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3
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Ewieda SY, Ahmed EM, Hassan RA, Hassan MSA. Pyridazine derivatives as selective COX-2 inhibitors: A review on recent updates. Drug Dev Res 2023; 84:1595-1623. [PMID: 37751330 DOI: 10.1002/ddr.22118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 09/10/2023] [Accepted: 09/15/2023] [Indexed: 09/28/2023]
Abstract
Selective cyclooxygenase (COX)-2 inhibitors have several advantages over nonselective COX inhibitors (nonsteroidal anti-inflammatory drugs [NSAIDs]), including the absence of adverse effects (renal and hepatic disorders) associated with the long-term use of standard NSAIDs, as well as an improved gastrointestinal profile. The pyridazine nucleus is regarded as a promising scaffold for the development of powerful COX-2 inhibitors, particularly when selectively functionalized. This article summarizes some methods for the synthesis of pyridazine derivatives. Furthermore, it covers all of the pyridazine derivatives that have appeared as selective COX-2 inhibitors, making it useful as a reference for the rational design of novel selective COX-2 inhibitors.
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Affiliation(s)
- Sara Y Ewieda
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Eman M Ahmed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Rasha A Hassan
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Marwa S A Hassan
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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4
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Zhao J, Lei S, Wu M, Pang C, Li H. One-pot Synthesis of 2,6-Diaryl-4,5-dihydropyridazin-3(2H)-ones: Copper Catalyzed Annulation of Aldehydes, Arylhydrazines and 3-Acryloyloxazolidin-2-one. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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5
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Merde İB, Önel GT, Türkmenoğlu B, Gürsoy Ş, Dilek E, Özçelik AB, Uysal M. Synthesis of (
p‐
tolyl)‐3(2
H
)pyridazinone Derivatives as Novel Acetylcholinesterase Inhibitors. ChemistrySelect 2022. [DOI: 10.1002/slct.202201606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- İrem Bozbey Merde
- Department of Pharmaceutical Chemistry Faculty of Pharmacy Erzincan Binali Yıldırım University Yalnızbağ 24002 Erzincan Turkey
| | - Gülce Taşkor Önel
- Department of Analytical Chemistry Faculty of Pharmacy Erzincan Binali Yıldırım University Yalnızbağ 24002 Erzincan Turkey
| | - Burçin Türkmenoğlu
- Department of Analytical Chemistry Faculty of Pharmacy Erzincan Binali Yıldırım University Yalnızbağ 24002 Erzincan Turkey
| | - Şule Gürsoy
- Department of Biochemistry Faculty of Pharmacy Erzincan Binali Yıldırım University Yalnızbağ 24002 Erzincan Turkey
| | - Esra Dilek
- Department of Biochemistry Faculty of Pharmacy Erzincan Binali Yıldırım University Yalnızbağ 24002 Erzincan Turkey
| | - Azime Berna Özçelik
- Department of Pharmaceutical Chemistry Faculty of Pharmacy Gazi University 06330 Ankara Turkey
| | - Mehtap Uysal
- Department of Pharmaceutical Chemistry Faculty of Pharmacy Erzincan Binali Yıldırım University Yalnızbağ 24002 Erzincan Turkey
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6
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Maruoka H, Masumoto E. Spiro Heterocycles: Synthesis and Application of Spiro Pyrazol-3-one Derivatives. HETEROCYCLES 2022. [DOI: 10.3987/rev-21-975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Asadi P, Alvani M, Hajhashemi V, Rostami M, Khodarahmi G. Design, synthesis, biological evaluation, and molecular docking study on triazine based derivatives as anti-inflammatory agents. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130760] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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8
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Abd El-Hameed RH, Mahgoub S, El-Shanbaky HM, Mohamed MS, Ali SA. Utility of novel 2-furanones in synthesis of other heterocyclic compounds having anti-inflammatory activity with dual COX2/LOX inhibition. J Enzyme Inhib Med Chem 2021; 36:977-986. [PMID: 33957835 PMCID: PMC8118430 DOI: 10.1080/14756366.2021.1908277] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Inflammation is associated with the development of several diseases comprising cancer and cardiovascular disease. Agents that suppress cyclooxygenase (COX) and lipoxygenase (LOX) enzymes, besides chemokines have been suggested to minimise inflammation. Here, a variety of novel heterocyclic and non-heterocyclic compounds were prepared from novel three furanone derivatives. The structures of all synthesised compounds were confirmed by elemental and spectral analysis including mass, IR, and 1H-NMR spectroscopy. Anti-inflammatory activities of these synthesised compounds were examined in vitro against COX enzymes, 15-LOX, and tumour necrosis factor-α (TNF-α), using inhibition screening assays. The majority of these derivatives showed significant to high activities, with three pyridazinone derivatives (5b, 8b, and 8c) being the most promising anti-inflammatory agents with dual COX-2/15-LOX inhibition activities along with high TNF-α inhibition activity.
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Affiliation(s)
- Rania H Abd El-Hameed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Shahenda Mahgoub
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Hend M El-Shanbaky
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Mosaad S Mohamed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Sahar A Ali
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Helwan University, Cairo, Egypt
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9
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Design, synthesis, and biological evaluation of new series of pyrrol-2(3H)-one and pyridazin-3(2H)-one derivatives as tubulin polymerization inhibitors. Bioorg Chem 2020; 107:104522. [PMID: 33317838 DOI: 10.1016/j.bioorg.2020.104522] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/21/2020] [Accepted: 11/27/2020] [Indexed: 12/17/2022]
Abstract
A potential microtubule destabilizing series of new thirty-five Pyrrol-2-one, Pyridazin-3(2H)-one and Pyridazin-3(2H)-one/oxime derivatives has been synthesized and tested for their antiproliferative activity against a panel of 60 human cancer cell lines. Compounds IVc, IVg and IVf showed a broad spectrum of growth inhibitory activity against cancer cell lines representing renal, cancer of lung, colon, central nervous system, ovary, and kidney. Among them, compound IVg was found to have broad spectrum anti-tumor activity against the tested nine tumor subpanels with selectivity ratios ranging between 0.21 and 3.77 at the GI50 level. In vitro assaying revealed tubulin polymerization inhibition by all active compounds IVc, IVg and IVf. The results of the docking study revealed nice fitting of compounds IVc, IVf, and IVg into CA-4 binding site in tubulin. The three compounds exhibited high binding affinities (ΔGb = -12.49 to -12.99 kcal/mol) toward tubulin compared to CA-4 (-8.87 kcal/mol). Investigation of the binding modes of the three compounds IVc, IVf, and IVg revealed that they interacted mainly hydrophobically with tubulin and similar binding orientations to that of CA-4. These observations suggest that tubulin is a possible target for these compounds.
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Mohd Imran, Mohammad Asif. Biologically Active Pyridazines and Pyridazinone Derivatives: A Scaffold for the Highly Functionalized Compounds. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1068162020050155] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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11
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Design, synthesis, biological evaluation and in silico studies of novel pyrrolo[3,4-d]pyridazinone derivatives with promising anti-inflammatory and antioxidant activity. Bioorg Chem 2020; 102:104035. [DOI: 10.1016/j.bioorg.2020.104035] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/05/2020] [Accepted: 06/15/2020] [Indexed: 01/08/2023]
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12
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Qin Z, Xi Y, Zhang S, Tu G, Yan A. Classification of Cyclooxygenase-2 Inhibitors Using Support Vector Machine and Random Forest Methods. J Chem Inf Model 2019; 59:1988-2008. [PMID: 30762371 DOI: 10.1021/acs.jcim.8b00876] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
This work reports the classification study conducted on the biggest COX-2 inhibitor data set so far. Using 2925 diverse COX-2 inhibitors collected from 168 pieces of literature, we applied machine learning methods, support vector machine (SVM) and random forest (RF), to develop 12 classification models. The best SVM and RF models resulted in MCC values of 0.73 and 0.72, respectively. The 2925 COX-2 inhibitors were reduced to a data set of 1630 molecules by removing intermediately active inhibitors, and 12 new classification models were constructed, yielding MCC values above 0.72. The best MCC value of the external test set was predicted to be 0.68 by the RF model using ECFP_4 fingerprints. Moreover, the 2925 COX-2 inhibitors were clustered into eight subsets, and the structural features of each subset were investigated. We identified substructures important for activity including halogen, carboxyl, sulfonamide, and methanesulfonyl groups, as well as the aromatic nitrogen atoms. The models developed in this study could serve as useful tools for compound screening prior to lab tests.
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Affiliation(s)
- Zijian Qin
- State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , P.O. Box 53, 15 BeiSanHuan East Road , Beijing 100029 , P. R. China
| | - Yao Xi
- State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , P.O. Box 53, 15 BeiSanHuan East Road , Beijing 100029 , P. R. China
| | - Shengde Zhang
- State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , P.O. Box 53, 15 BeiSanHuan East Road , Beijing 100029 , P. R. China
| | - Guiping Tu
- State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , P.O. Box 53, 15 BeiSanHuan East Road , Beijing 100029 , P. R. China
| | - Aixia Yan
- State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , P.O. Box 53, 15 BeiSanHuan East Road , Beijing 100029 , P. R. China
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13
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Abdelbaset MS, Abuo-Rahma GEDA, Abdelrahman MH, Ramadan M, Youssif BG, Bukhari SNA, Mohamed MF, Abdel-Aziz M. Novel pyrrol-2(3H)-ones and pyridazin-3(2H)-ones carrying quinoline scaffold as anti-proliferative tubulin polymerization inhibitors. Bioorg Chem 2018; 80:151-163. [DOI: 10.1016/j.bioorg.2018.06.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 05/31/2018] [Accepted: 06/01/2018] [Indexed: 10/14/2022]
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14
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Xi Y, Qin Z, Yan A. SAR and QSAR models of cyclooxygenase-1 (COX-1) inhibitors. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2018; 29:755-784. [PMID: 30274533 DOI: 10.1080/1062936x.2018.1513952] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 08/14/2018] [Indexed: 06/08/2023]
Abstract
Cyclooxygenase-1 (COX-1) is one isoform of COX, and it is a main target of nonsteroidal anti-inflammatory drugs (NSAIDs). It is important to develop efficient and selective COX-1 inhibitors. In this work, 12 classification models for 1530 cyclooxygenase-1 (COX-1) inhibitors were built by support vector machine (SVM), decision tree (DT) and random forest (RF) methods. The best classification model (model 1A) was built by SVM with MACCS fingerprints. The classification accuracies for the training and test sets were 99.67% and 97.39%, respectively. The Matthews correlation coefficient (MCC) of the test set was 0.94. We also divided the 1530 COX-1 inhibitors into nine subsets according to their different scaffolds using Kohonen's self-organizing map (SOM). In addition, six quantitative structure-activity relationship (QSAR) models for 181 COX-1 inhibitors whose IC50 were measured by enzyme immunoassay were built by multiple linear regression (MLR) and SVM. The best QSAR model (model 5A) was built by SVM with CORINA Symphony descriptors. The correlation coefficients of the training and test sets are 0.93 and 0.84, respectively. The models built in this study can be obtained from the authors.
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Affiliation(s)
- Y Xi
- a State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , P. R . China
| | - Z Qin
- a State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , P. R . China
| | - A Yan
- a State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , P. R . China
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15
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Singh P, Kaur S, Kumari P, Kaur B, Kaur M, Singh G, Bhatti R, Bhatti M. Tailoring the Substitution Pattern on 1,3,5-Triazine for Targeting Cyclooxygenase-2: Discovery and Structure–Activity Relationship of Triazine–4-Aminophenylmorpholin-3-one Hybrids that Reverse Algesia and Inflammation in Swiss Albino Mice. J Med Chem 2018; 61:7929-7941. [DOI: 10.1021/acs.jmedchem.8b00922] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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16
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Ibrahim TH, Loksha YM, Elshihawy HA, Khodeer DM, Said MM. Synthesis of Some Novel 2,6-Disubstituted Pyridazin-3(2H
)-one Derivatives as Analgesic, Anti-Inflammatory, and Non-Ulcerogenic Agents. Arch Pharm (Weinheim) 2017; 350. [DOI: 10.1002/ardp.201700093] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 06/29/2017] [Accepted: 07/04/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Tamer H. Ibrahim
- Department of Pharmaceutical Chemistry; Faculty of Pharmacy and Pharmaceutical Industries; Sinai University; Al-Arish North Sinai Egypt
| | - Yasser M. Loksha
- Department of Pharmaceutical Chemistry; Faculty of Pharmacy and Pharmaceutical Industries; Sinai University; Al-Arish North Sinai Egypt
| | - Hosam A. Elshihawy
- Department of Pharmaceutical Organic Chemistry; Faculty of Pharmacy; Suez Canal University; Ismailia Egypt
| | - Dina M. Khodeer
- Department of Pharmacology and Toxicology; Faculty of Pharmacy; Suez Canal University; Ismailia Egypt
| | - Mohamed M. Said
- Department of Pharmaceutical Organic Chemistry; Faculty of Pharmacy; Suez Canal University; Ismailia Egypt
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17
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Singh J, Sharma D, Bansal R. Synthesis and Biological Evaluation of 2-substituted-6-(morpholinyl/piperidinyl)pyridazin-3(2H)-ones as Potent and Safer Anti-inflammatory and Analgesic Agents. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2905] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Jyoti Singh
- University Institute of Pharmaceutical Sciences; Panjab University; Chandigarh India
| | - Deepika Sharma
- University Institute of Pharmaceutical Sciences; Panjab University; Chandigarh India
| | - Ranju Bansal
- University Institute of Pharmaceutical Sciences; Panjab University; Chandigarh India
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18
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Design, synthesis, cyclooxygenase inhibition and biological evaluation of new 1,3,5-triaryl-4,5-dihydro-1 H -pyrazole derivatives possessing amino/methanesulfonyl pharmacophore. Bioorg Chem 2017; 70:57-66. [DOI: 10.1016/j.bioorg.2016.11.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Revised: 10/04/2016] [Accepted: 11/20/2016] [Indexed: 02/05/2023]
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19
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Al-Turki DA, Al-Omar MA, Abou-zeid LA, Shehata IA, Al-Awady MS. Design, synthesis, molecular modeling and biological evaluation of novel diaryl heterocyclic analogs as potential selective cyclooxygenase-2 (COX-2) inhibitors. Saudi Pharm J 2017; 25:59-69. [PMID: 28223863 PMCID: PMC5310148 DOI: 10.1016/j.jsps.2015.07.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 07/09/2015] [Indexed: 01/26/2023] Open
Abstract
New series of 3,4-diaryl-2-thioxoimidazolidin-4-ones and 3-alkylthio-4,5-diaryl-4H-1,2,4-triazoles were designed, synthesized and evaluated for their activity as anti-inflammatory agents. Compounds 20, 21, 23 and 34 are highly selective inhibitors of COX-2 enzyme at a concentration of 100 mM relative to celecoxib, the standard reference. (±)-3-(4-Phenoxy-phenyl)-5-phenyl-2-thioxoimidazolidin-4-ones 23 exhibited the most active anti-inflammatory agent.
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Affiliation(s)
- Deema A. Al-Turki
- Department of Pharmaceutical Chemistry, College of Pharmacy, P.O. Box 2457, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohamed A. Al-Omar
- Department of Pharmaceutical Chemistry, College of Pharmacy, P.O. Box 2457, King Saud University, Riyadh 11451, Saudi Arabia
| | - Laila A. Abou-zeid
- Department of Organic Pharmaceutical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Ihsan A. Shehata
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Mohammed S. Al-Awady
- Department of Pharmacology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
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20
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Pyridazinone: an attractive lead for anti-inflammatory and analgesic drug discovery. Future Med Chem 2017; 9:95-127. [DOI: 10.4155/fmc-2016-0194] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In spite of the availability of a large number of anti-inflammatory and analgesic agents, fighting pain and inflammation remains a common problem. The current review article discusses the need of novel therapeutic targets for risk-free anti-inflammatory and analgesic therapy and summarizes some new agents in various stages of drug discovery pipeline. Pyridazin-3(2H)-ones are nitrogen-rich heterocyclic compounds of considerable medicinal interest due to their diverse biological activities. The current review article focuses on progressive development of this attractive scaffold for the design and synthesis of new pyridazinone-based anti-inflammatory and analgesic agents. Mechanistic insights into the anti-inflammatory and analgesic properties of pyridazinone derivatives and various synthetic techniques used for their synthesis are also described.
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21
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Akhtar W, Shaquiquzzaman M, Akhter M, Verma G, Khan MF, Alam MM. The therapeutic journey of pyridazinone. Eur J Med Chem 2016; 123:256-281. [DOI: 10.1016/j.ejmech.2016.07.061] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Revised: 07/20/2016] [Accepted: 07/24/2016] [Indexed: 11/17/2022]
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22
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23
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Blaise E, Kümmerle AE, Hammoud H, de Araújo-Júnior JX, Bihel F, Bourguignon JJ, Schmitt M. Access to 4-alkylaminopyridazine derivatives via nitrogen-assisted regioselective Pd-catalyzed reactions. J Org Chem 2014; 79:10311-22. [PMID: 25310174 DOI: 10.1021/jo501930s] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
3-Substituted, 6-substituted, and unsymmetrical 3,6-disubstituted 4-alkylaminopyridazines were prepared from a sequence of three chemo- and regioselective reactions combining amination and palladium-catalyzed cross-coupling reactions, such as reductive dehalogenation and Suzuki-Miyaura reactions. Extension of the methodology to Sonogashira reaction yielded a novel class of 3-substituted pyrrolopyridazines.
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Affiliation(s)
- Emilie Blaise
- Laboratoire d'Innovation Thérapeutique, UMR 7200, Faculté de Pharmacie, Université de Strasbourg , 74 Route du Rhin, BP 60024, 67400 Illkirch, France
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24
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Synthesis, antiproliferative and anti-inflammatory activities of some novel 6-aryl-2-(p-(methanesulfonyl)phenyl)-4,5-dihydropyridazi-3(2H)-ones. Eur J Med Chem 2013; 67:352-8. [PMID: 23887055 DOI: 10.1016/j.ejmech.2013.06.050] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 06/13/2013] [Accepted: 06/19/2013] [Indexed: 12/28/2022]
Abstract
Sixteen new 6-aryl-2-(p-(methanesulfonyl)phenyl)-4,5-dihydropyridazi-3(2H)-ones (2a-p) were synthesized and tested for in vitro anticancer and in vivo anti-inflammatory activities. Eleven (2b, 2d, 2e-j and 2m-p) of the obtained compounds were screened for their antiproliferative activity towards 60 human cancer cell lines by the National Cancer Institute (USA). Compound 2f showed remarkable activity with GI50 less than 1 μM on 36 human tumor cell lines and has been referred to Biological Evaluation Committee (NCI) for advance study. Compound 2g also displayed promising antiproliferative activity against 20 different cell lines with GI50 less than 1 μM. Compounds 2k and 2n were found to have a comparable anti-inflammatory activity to that of standard drug etoricoxib in carrageenan-induced rat hind paw edema model at 5 h.
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Korkusuz E, Yıldırım I, Şahin E. A Novel Synthetic Approach towards 1H-Pyrazole-5-carboxylic Acid Derivatives Using 4-(4-Methylbenzoyl)-5-(4-methylphenyl)furan-2,3-dione. HETEROCYCLES 2013. [DOI: 10.3987/com-13-12799] [Citation(s) in RCA: 5] [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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26
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Mohamed MI, Zaky HT, Kandile NG. Microwave-assisted synthesis of antimicrobial agents based on pyridazine moiety. J Enzyme Inhib Med Chem 2012; 28:1307-15. [DOI: 10.3109/14756366.2012.737787] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Mansoura I. Mohamed
- Department of Chemistry, Faculty of Women, Ain Shams University,
Heliopolis 11757, Cairo, Egypt
| | - Howida T. Zaky
- Department of Chemistry, Faculty of Women, Ain Shams University,
Heliopolis 11757, Cairo, Egypt
| | - Nadia G. Kandile
- Department of Chemistry, Faculty of Women, Ain Shams University,
Heliopolis 11757, Cairo, Egypt
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Masumoto E, Maruoka H, Okabe F, Nishida S, Tomita R, Fujioka T, Yamagata K. A Novel Synthesis of 4-Pyridazineacetic AcidsviaRing Expansion ofN-Cyanomethylated 3-Pyrazoline-4-acetic Acids. J Heterocycl Chem 2012. [DOI: 10.1002/jhet.894] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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28
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Tonk RK, Bawa S, Chawla G, Deora GS, Kumar S, Rathore V, Mulakayala N, Rajaram A, Kalle AM, Afzal O. Synthesis and pharmacological evaluation of pyrazolo[4,3-c]cinnoline derivatives as potential anti-inflammatory and antibacterial agents. Eur J Med Chem 2012; 57:176-84. [PMID: 23059546 DOI: 10.1016/j.ejmech.2012.08.045] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Revised: 08/14/2012] [Accepted: 08/30/2012] [Indexed: 11/16/2022]
Abstract
A series of pyrazolo[4,3-c]cinnoline derivatives was synthesized, characterized and evaluated for anti-inflammatory and antibacterial activity. Test compounds that exhibited good anti-inflammatory activity were further screened for their ulcerogenic and lipid peroxidation activity. Compounds 4d and 4l showed promising anti-inflammatory activity with reduced ulcerogenic and lipid peroxidation activity when compared to naproxen. Docking results of these two compounds with COX-2 (PDB ID: 1CX2) also exhibited a strong binding profile. Among the test derivatives, compound 4i displayed significant antibacterial property against gram-negative (Escherichia coli and Pseudomonas aeruginosa) and gram-positive (Staphylococcus aureus) bacteria. However, compound 4b emerged as the best dual anti-inflammatory-antibacterial agent in the present study.
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Affiliation(s)
- Rajiv Kumar Tonk
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi 110 062, India
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Synthesis and biological evaluation of isoxazolo[4,5-d]pyridazin-4-(5H)-one analogues as potent anti-inflammatory agents. Bioorg Med Chem 2012; 20:2912-22. [DOI: 10.1016/j.bmc.2012.03.021] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 02/29/2012] [Accepted: 03/07/2012] [Indexed: 11/18/2022]
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30
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İnkaya E, Dinçer M, Korkusuz E, Yıldırım İ. Molecular structure of 4-benzoyl-3-ethylcarboxylate 1-(4-methoxyphenyl)-5-phenyl-1H-pyrazole: A combined experimental and theoretical study. J Mol Struct 2012. [DOI: 10.1016/j.molstruc.2012.01.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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31
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Asif M, Singh A, Siddiqui AA. The effect of pyridazine compounds on the cardiovascular system. Med Chem Res 2011. [DOI: 10.1007/s00044-011-9835-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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32
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Verhelst T, Verbeeck S, Ryabtsova O, Depraetere S, Maes BUW. Synthesis of functionalized pyridazin-3(2H)-ones via nucleophilic substitution of hydrogen (SNH). Org Lett 2011; 13:272-5. [PMID: 21138319 DOI: 10.1021/ol102703w] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Reaction of 2-benzyl-5-halopyridazin-3(2H)-ones (3) with Grignard reagents followed by quenching with electrophiles unexpectedly yielded 4,5-disubstituted pyridazin-3(2H)-ones instead of 5-substituted pyridazin-3(2H)-ones. These reactions represent the first examples of cine substitution in which the anionic σ(H)-adduct is quenched by electrophiles (other than a proton) before elimination takes place. Insight into the reaction mechanism led to the direct transformation of 2-benzylpyridazin-3(2H)-one (7) and 2-benzyl-6-chloropyridazin-3(2H)-one (9) into the corresponding C-4 alkyl and aryl derivatives (when Br(2) was used as the electrophile).
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Affiliation(s)
- Tom Verhelst
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
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33
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Molecular structure and vibrational and chemical shift assignments of 6-(2-hydroxyethyl)-2,3,4-triphenyl-2,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one by DFT and ab initio HF calculations. J Mol Struct 2011. [DOI: 10.1016/j.molstruc.2010.11.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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34
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Al-Turki D, Abou-Zeid L, Shehata I, Al-Omar M. Therapeutic and Toxic Effects of New NSAIDs and Related Compounds: A Review and Prospective Study. INT J PHARMACOL 2010. [DOI: 10.3923/ijp.2010.813.825] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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35
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Masumoto E, Maruoka H, Okabe F, Nishida S, Yoshimura Y, Fujioka T, Yamagata K. A divergent synthesis of dihydropyridazinones, N-substituted dihydropyrazoles, and O-substituted pyrazoles. J Heterocycl Chem 2010. [DOI: 10.1002/jhet.519] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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36
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Synthesis and cyclooxygenase inhibitory activities of some N-acylhydrazone derivatives of isoxazolo[4,5-d]pyridazin-4(5H)-ones. Eur J Med Chem 2010; 45:2345-52. [DOI: 10.1016/j.ejmech.2010.02.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2010] [Revised: 02/03/2010] [Accepted: 02/04/2010] [Indexed: 02/02/2023]
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37
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Rimaz M, Khalafy J, Moghadam PN. A Regioselective One-Pot, Three Component Synthesis of 6-Aryl-4-cyano-3(2H)-pyridazinones in Water. Aust J Chem 2010. [DOI: 10.1071/ch09602] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A series of 4-cyano-3(2H)-pyridazinones bearing different aryl substituents in the 6-position of the pyridazinone ring was synthesized regioselectively using a novel efficient one-pot three component reaction of alkyl 2-cyanoacetates with arylglyoxals in the presence of hydrazine hydrate at room temperature in water.
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38
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Refaat HM, Khalil OM, Abuel-Maaty SM. Synthesis of novel pyridazinyl benzimidazole, benzothiazole and benzoxazole of Expected Anti-Inflammatory Activity. JOURNAL OF CHEMICAL RESEARCH 2009. [DOI: 10.3184/030823409x466050] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this study, a novel series of 6-oxopyridazinyl benzazoles and 3, 6-dioxopyridazinyl benzazoles were prepared from the starting compounds, 2-hydrazinobenzimidazole, 2-hydrazinobenzothiazole and 2-hydrazinobenzoxazole by reaction with butyric acid derivatives and cyclic anhydrides respectively. The structures of the new compounds were confirmed by elemental analysis as well as1H NMR, IR and MS data. Some of the newly prepared compounds were subjected to evaluation for their anti-inflammatory activity using carrageenan induced paw edema at dose 100 mg kg−1using indomethacin as a reference standard and were found to be bioactive.
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Affiliation(s)
- Hanan M. Refaat
- Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Omneya M. Khalil
- Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Suzan M. Abuel-Maaty
- Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
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39
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Abouzid KAM, Khalil NA, Ahmed EM, El-Latif HAA, El-Araby ME. Structure-based molecular design, synthesis, and in vivo anti-inflammatory activity of pyridazinone derivatives as nonclassic COX-2 inhibitors. Med Chem Res 2009. [DOI: 10.1007/s00044-009-9218-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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40
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Mykhaylychenko S, Harakat D, Dupas G, Shermolovich YG, Bouillon JP. Synthesis of (2,2,2-trifluoroethyl) substituted pyridazin-3(2H)-ones and 1,5-dihydropyrrol-2-ones from α,β-unsaturated γ-lactones and hydrazines. J Fluor Chem 2009. [DOI: 10.1016/j.jfluchem.2009.01.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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42
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Unlü S, Banoglu E, Ito S, Niiya T, Eren G, Okçelik B, Sahin MF. Synthesis, characterization and preliminary screening of regioisomeric 1-(3-pyridazinyl)-3-arylpyrazole and 1-(3-pyridazinyl)-5-arylpyrazole derivatives towards cyclooxygenase inhibition. J Enzyme Inhib Med Chem 2008; 22:351-61. [PMID: 17674817 DOI: 10.1080/14756360601073468] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
In a search for novel compounds with analgesic and anti-inflammatory activity, a series of regioisomeric 1-(3-pyridazinyl)-3-arylpyrazole (5a-f, 6a-f) and 1-(3-pyridazinyl)-5-arylpyrazole (7a-f, 8a-f) derivatives were synthesized. The structure of these regioisomers was confirmed by spectral techniques. The compounds were preliminarily screened at 8 microM concentration for their inhibitory activity against cyclooxygenase enzymes, COX-1 and COX-2, using a human whole blood test. The tested derivatives showed inhibitory activity for both enzymes and are worthy of further investigation for developing better leads.
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Affiliation(s)
- Serdar Unlü
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, Etiler, Ankara 06330, Turkey.
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43
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QSAR analysis of 2-sulfonylphenyl-3-phenyl-indole derivatives as novel anti-inflammatory compounds. Med Chem Res 2008. [DOI: 10.1007/s00044-008-9117-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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44
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45
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Abouzid K, Bekhit SA. Novel anti-inflammatory agents based on pyridazinone scaffold; design, synthesis and in vivo activity. Bioorg Med Chem 2008; 16:5547-56. [PMID: 18430576 DOI: 10.1016/j.bmc.2008.04.007] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2007] [Revised: 04/02/2008] [Accepted: 04/04/2008] [Indexed: 10/22/2022]
Abstract
Herein, we report the design, synthesis, and pharmacological properties of a series of arylethenylpyridazinones 3a-h and arylethylpyridazinone derivatives 3k-i from the corresponding aryloxohexenoic 1a-e and aryloxohexanoic acids 2a,d, respectively. The synthesized compounds were tested for their anti-inflammatory activity in carrageenan-induced rat paw edema model. Compound 3j demonstrated the greatest in vivo activity with ED(50) equal to 17mumol compared with celecoxib with no ulceration on the gastric mucosa. Docking study of the synthesized compounds into the active site of COX-2 revealed a similar binding mode to RS-57067, a COX-2 inhibitor.
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Affiliation(s)
- Khaled Abouzid
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo 11566, Egypt.
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46
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Clapham KM, Batsanov AS, Greenwood RDR, Bryce MR, Smith AE, Tarbit B. Functionalized heteroarylpyridazines and pyridazin-3(2H)-one derivatives via palladium-catalyzed cross-coupling methodology. J Org Chem 2008; 73:2176-81. [PMID: 18294000 DOI: 10.1021/jo702420q] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A general method for the synthesis of functionalized pyridazinylboronic acids/esters is described involving a directed ortho metalation (DoM)--boronation protocol (Schemes 1 and 2). A comprehensive study of the reactivity of the C-B bond in palladium-catalyzed cross-couplings with aryl/heteroaryl halides is presented. Aryl-/heteroarylpyridazines are thereby obtained in synthetically viable yields (typically 40-75%) although in some cases competing protodeboronation has been observed. A series of pyridazin-3(2H)-one derivatives, including 4,6-diaryl/heteroaryl derivatives, have been obtained from the corresponding 3-methoxypyridazines in straightforward procedures (Schemes 3 and 4). Several X-ray crystal structures of aryl-/heteroarylpyridazines and derived pyridazin-3(2H)-one derivatives are reported. These multi-ring systems are of considerable interest in contemporary N-heterocyclic chemistry.
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Affiliation(s)
- Kate M Clapham
- Department of Chemistry, Durham University, Durham, DH1 3LE, England
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47
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Synthesis and three-dimensional qualitative structure selectivity relationship of 3,5-disubstituted-2,4-thiazolidinedione derivatives as COX2 inhibitors. Arch Pharm Res 2007; 30:1186-204. [DOI: 10.1007/bf02980259] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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48
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Gauthier MP, Michaux C, Rolin S, Vastersaegher C, de Leval X, Julémont F, Pochet L, Masereel B. Synthesis, molecular modelling and enzymatic evaluation of (±)3,5-diphenyl-2-thioxoimidazolidin-4-ones as new potential cyclooxygenase inhibitors. Bioorg Med Chem 2006; 14:918-27. [PMID: 16214349 DOI: 10.1016/j.bmc.2005.09.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2005] [Revised: 09/01/2005] [Accepted: 09/06/2005] [Indexed: 11/16/2022]
Abstract
A series of substituted (+/-)3,5-diphenyl-2-thioxoimidazolin-4-ones was synthesized in order to design new type-2 cyclooxygenase (COX-2) inhibitors. This study has led to molecules which completely inhibit human recombinant COX-2 at 50 microM. Molecular modelling highlighted drug interactions with the active site of both cyclooxygenases and suggested modifications to enhance the selectivity of the compounds. In human blood, COX-2 expression was then induced by LPS, and the inhibitory potency of these drugs was disappointing. This weak activity was attributed to a poor aqueous stability of these imidazolidinones substituted by two aryl in position 3 and 5 (15 min < t(1/2) < 130 min). The improvement of the stability of this heterocycle could generate a novel template to treat COX-associated diseases such as arthritis, rheumatoid polyarthritis and cancer.
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49
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Pu YM, Ku YY, Grieme T, Henry R, Bhatia AV. An efficient copper-catalyzed N-arylation of pyridazinones with a structurally well-defined copper complex. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2005.10.164] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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50
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Akbaş E, Aslano??lu F. Syntheses of some new 1H-pyrazole, pyridazin-3(2H)-one, and oxazin-4-one derivatives. HETEROATOM CHEMISTRY 2006. [DOI: 10.1002/hc.20170] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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