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Ewieda SY, Hassan RA, Ahmed EM, Abdou AM, Hassan MSA. Synthesis, COX-2 inhibition, anti-inflammatory activity, molecular docking, and histopathological studies of new pyridazine derivatives. Bioorg Chem 2024; 150:107623. [PMID: 39002251 DOI: 10.1016/j.bioorg.2024.107623] [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: 05/20/2024] [Revised: 07/01/2024] [Accepted: 07/08/2024] [Indexed: 07/15/2024]
Abstract
Five new pyridazine scaffolds were synthesized and assessed for their inhibitory potential against both cyclooxygenase-1 (COX-1) and cyclooxygenase-2 (COX-2) compared with indomethacin and celecoxib. The majority of the synthesized compounds demonstrated a definite preference for COX-2 over COX-1 inhibition. Compounds 4c and 6b exhibited enhanced potency towards COX-2 enzyme with IC50 values of 0.26 and 0.18 µM, respectively, compared to celecoxib with IC50 = 0.35 µM. The selectivity index (SI) of compound 6b was 6.33, more than that of indomethacin (SI = 0.50), indicating the most predominant COX-2 inhibitory activity. Consequently, the in vivo anti-inflammatory activity of compound 6b was comparable to that of indomethacin and celecoxib and no ulcerative effect was detected upon the oral administration of compound 6b, as indicated by the histopathological examination. Moreover, compound 6b decreased serum plasma PEG2 and IL-1β. To rationalize the selectivity and potency of COX-2 inhibition, a molecular docking study of compound 6b into the COX-2 active site was carried out. The COX-2 inhibition and selectivity of compound 6b can be attributed to its ability to enter the side pocket of the COX-2 enzyme and interact with the essential amino acid His90. Together, these findings suggested that compound 6b is a promising lead for the possible design of COX-2 inhibitors that could be employed as safe and effective anti-inflammatory drugs.
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Affiliation(s)
- Sara Y Ewieda
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Egypt
| | - Rasha A Hassan
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Egypt
| | - Eman M Ahmed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Egypt
| | - Amr M Abdou
- Department of Microbiology and Immunology, National Research Centre, Dokki, Giza 12622, Egypt
| | - Marwa S A Hassan
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Egypt.
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2
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Alsaiari AA, Almehmadi MM, Asif M. Diverse Pharmacological Potential of Pyridazine Analogs against Various Diseases. Med Chem 2024; 20:245-267. [PMID: 37711126 DOI: 10.2174/1573406419666230913102835] [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: 03/23/2023] [Revised: 05/20/2023] [Accepted: 07/25/2023] [Indexed: 09/16/2023]
Abstract
Pyridazinone analogs possess diverse types of pharmacological activities, such as anticancer, antimicrobial, anticonvulsant, analgesic, anti-inflammatory, antioxidant, antihypertensive, antisecretory, antiulcer, and other useful pharmacological activities. They also possess cyclooxygenase (COX) inhibitors, dipeptidyl peptidase inhibitors, phosphodiesterase inhibitors, glutamate transporter activators, adenosine receptor antagonists, serotonin receptors antagonists, lipooxygenase, cholinesterase, vasodilator, and anesthetics. Pyridazine rings are the essential structure for some marketed drugs, such as pimobendan, levosimendan as a cardiotonic drug, and emorfozan as an analgesic and anti-inflammatory (Non-steroidal anti-inflammatory drug) agent. So, researchers all over the world have paid attention to synthesizing various pyridazinone compounds mainly due to the ease of design and synthesis of different analogs and variables in the pharmacological responses. This review article focuses on the pharmacological activities of different pyridazine analogs.
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Affiliation(s)
- Ahad Amer Alsaiari
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Mazen M Almehmadi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Mohammad Asif
- Department of Pharmaceutical Chemistry, Era College of Pharmacy, Era University, Lucknow, 226003, Uttar Pradesh, India
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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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Hassan MSA, Ahmed EM, El-Malah AA, Kassab AE. Anti-inflammatory activity of pyridazinones: A review. Arch Pharm (Weinheim) 2022; 355:e2200067. [PMID: 35532263 DOI: 10.1002/ardp.202200067] [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: 02/08/2022] [Revised: 04/05/2022] [Accepted: 04/07/2022] [Indexed: 11/06/2022]
Abstract
The pyridazinone core has emerged as a leading structure for fighting inflammation, with low ulcerogenic effects. Moreover, easy functionalization of various ring positions of the pyridazinone core structure makes it an attractive synthetic and therapeutic target for the design and synthesis of anti-inflammatory agents. The present review surveys the recent advances of pyridazinone derivatives as potential anti-inflammatory agents to provide insights into the rational design of more effective anti-inflammatory pyridazinones.
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Affiliation(s)
- Marwa S A Hassan
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Eman M Ahmed
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Afaf A El-Malah
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Asmaa E Kassab
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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5
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Zaoui Y, Ramli Y, Tan SL, Tiekink ER, Chemlal L, Mague JT, Taoufik J, Faouzi MEA, Ansar M. Synthesis, structural characterisation and theoretical studies of a novel pyridazine derivative: Investigations of anti-inflammatory activity and inhibition of α-glucosidase. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130177] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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6
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New 1,3,4-Oxadiazole Derivatives of Pyridothiazine-1,1-Dioxide with Anti-Inflammatory Activity. Int J Mol Sci 2020; 21:ijms21239122. [PMID: 33266208 PMCID: PMC7729791 DOI: 10.3390/ijms21239122] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 12/20/2022] Open
Abstract
Numerous studies have confirmed the coexistence of oxidative stress and inflammatory processes. Long-term inflammation and oxidative stress may significantly affect the initiation of the neoplastic transformation process. Here, we describe the synthesis of a new series of Mannich base-type hybrid compounds containing an arylpiperazine residue, 1,3,4-oxadiazole ring, and pyridothiazine-1,1-dioxide core. The synthesis was carried out with the hope that the hybridization of different pharmacophoric molecules would result in a synergistic effect on their anti-inflammatory activity, especially the ability to inhibit cyclooxygenase. The obtained compounds were investigated in terms of their potencies to inhibit cyclooxygenase COX-1 and COX-2 enzymes with the use of the colorimetric inhibitor screening assay. Their antioxidant and cytotoxic effect on normal human dermal fibroblasts (NHDF) was also studied. Strong COX-2 inhibitory activity was observed after the use of TG6 and, especially, TG4. The TG11 compound, as well as reference meloxicam, turned out to be a preferential COX-2 inhibitor. TG12 was, in turn, a non-selective COX inhibitor. A molecular docking study was performed to understand the binding interaction of compounds at the active site of cyclooxygenases.
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Szczęśniak-Sięga BM, Wiatrak B, Czyżnikowska Ż, Janczak J, Wiglusz RJ, Maniewska J. Synthesis and biological evaluation as well as in silico studies of arylpiperazine-1,2-benzothiazine derivatives as novel anti-inflammatory agents. Bioorg Chem 2020; 106:104476. [PMID: 33250206 DOI: 10.1016/j.bioorg.2020.104476] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/06/2020] [Accepted: 11/12/2020] [Indexed: 12/20/2022]
Abstract
Novel arylpiperazine-1,2-benzothiazine derivatives have been designed and synthesized as potential anti-inflammatory agents. Their structure and properties have been studied using spectroscopic techniques (1H NMR, 13C NMR, FT-IR), MS, elemental analyses, and single-crystal X-ray diffraction (SCXRD, for compound 7b). This study aimed to evaluate the inhibitory activity of new derivatives against both cyclooxygenase isoforms COX-1 and COX-2 due to the similarity of new compounds to oxicams drugs from the NSAIDs group. All new compounds were divided into two series - A and B - with a different linker between thiazine and piperazines nitrogens. Series A included the three-carbon aliphatic linker and series B - two-carbon with a carbonyl group. According to in vitro and molecular docking studies all new compounds exhibited cyclooxygenase inhibitory activity. The series of A compounds included COX-1 inhibitors only. In contrast, the B series showed inhibition of both COX-1 and COX-2, which suggested the importance of the acetoxy linker for COX-2 inhibition. Moreover, the most selective compound 7b, towards COX-2, was non-toxic for the normal human cell line (in concentration of 10 µM) comparable to reference drug meloxicam. Additionally, investigation of influence on model membranes confirmed the ability of the compound 7b to penetrate lipid bilayers which seemed to be important to the influence with membrane protein-cyclooxygenase.
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Affiliation(s)
- Berenika M Szczęśniak-Sięga
- Department of Medicinal Chemistry, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wrocław, Poland.
| | - Benita Wiatrak
- Department of Pharmacology, Faculty of Medicine, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wrocław, Poland; Department of Basic Medical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland
| | - Żaneta Czyżnikowska
- Department of Inorganic Chemistry, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211a, 50-556 Wrocław, Poland
| | - Jan Janczak
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okólna 2 Str., 50-422 Wrocław, Poland
| | - Rafal J Wiglusz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okólna 2 Str., 50-422 Wrocław, Poland
| | - Jadwiga Maniewska
- Department of Medicinal Chemistry, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wrocław, Poland
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8
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Mustafa M, Mostafa YA. Antimicrobial Pyridazines: Synthesis, Characterization, Cytotoxicity, Substrate Promiscuity, and Molecular Docking. Chem Biodivers 2020; 17:e2000100. [DOI: 10.1002/cbdv.202000100] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 04/02/2020] [Indexed: 12/17/2022]
Affiliation(s)
- Muhamad Mustafa
- Medicinal Chemistry Department, Faculty of PharmacyDeraya University Minia 61768 Egypt
| | - Yaser A. Mostafa
- Pharmaceutical Organic Chemistry Department, Faculty of PharmacyAssiut University Assiut 71526 Egypt
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9
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Discovery of Novel Pyridazine-Based Cyclooxygenase-2 Inhibitors with a Promising Gastric Safety Profile. Molecules 2020; 25:molecules25092002. [PMID: 32344801 PMCID: PMC7249006 DOI: 10.3390/molecules25092002] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/17/2020] [Accepted: 04/21/2020] [Indexed: 11/16/2022] Open
Abstract
Cyclooxygenase-2 (COX-2) is implicated in the development of chronic inflammatory diseases. Recently, pyridazine derivatives have emerged as a novel prototype to develop COX-2 inhibitors. Accordingly, some pyridazine-based COX-2 inhibitors are reported herein. The reaction of aldehyde 3 and different hydrazines yielded the corresponding hydrazones. The hydrazones were further derivatized to the title compounds, which were assessed for COX-1 and COX-2 inhibitory action, gastric ulcerogenic effects, and lipid peroxidation properties. Molecular docking studies and determination of the physicochemical parameters were also carried out. The allocated structures of the reported compounds were coherent with their spectroscopic data. The compounds 9a (IC50 = 15.50 nM, 114.77%), 9b (IC50 = 17.50 nM, 101.65%), 12 (IC50 = 17.10 nM, 104.03%), 16b (IC50 = 16.90 nM, 105.26%), and 17 (IC50 = 17.70 nM, 100.5%) displayed better COX-2 inhibition than celecoxib (IC50 = 17.79 nM, 100%). These outcomes were harmonious with the molecular docking studies of 9a, 9b, 12, 16b, and 17. These compounds also displayed comparable onset and the duration of action concerning celecoxib and indomethacin in the in vivo studies. No ulcerogenic effects were observed for 9a and 12, whereas 9b, 16b, and 17 showed an insignificant ulcerogenic effect compared to celecoxib. The compounds 9a, 9b, 12, 16b, and 17 displayed a better lipid peroxidation profile than celecoxib and indomethacin. The compounds 9a (%ABS = 84.09), 9b (%ABS = 84.09), 12 (%ABS = 66.87), 16b (%ABS = 75.02), and 17 (%ABS = 81.42) also displayed appreciable calculated absorption compared to celecoxib (%ABS = 82.09). The compounds 9a, 9b, 11, 16b, and 17 have been recognized and postulated as non-ulcerogenic COX-2 inhibitors with promising physicochemical parameters and gastric safety profile. These compounds may be useful candidates to combat diseases caused by higher levels of COX-2.
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10
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Synthesis of novel N‐substitutedphenyl‐6‐oxo‐3‐phenylpyridazine derivatives as cyclooxygenase‐2 inhibitors. Drug Dev Res 2020; 81:573-584. [DOI: 10.1002/ddr.21655] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/01/2020] [Accepted: 02/22/2020] [Indexed: 12/13/2022]
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11
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Ahmed EM, Hassan MS, El-Malah AA, Kassab AE. New pyridazine derivatives as selective COX-2 inhibitors and potential anti-inflammatory agents; design, synthesis and biological evaluation. Bioorg Chem 2020; 95:103497. [DOI: 10.1016/j.bioorg.2019.103497] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 10/22/2019] [Accepted: 12/05/2019] [Indexed: 01/12/2023]
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12
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Antioxidative activity analyses of some pyridazine derivatives using computational methods. CHEMICAL PAPERS 2019. [DOI: 10.1007/s11696-019-00850-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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13
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Synthesis and biological evaluation of pyridazinone derivatives as selective COX-2 inhibitors and potential anti-inflammatory agents. Eur J Med Chem 2019; 171:25-37. [PMID: 30904755 DOI: 10.1016/j.ejmech.2019.03.036] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 02/19/2019] [Accepted: 03/14/2019] [Indexed: 11/27/2022]
Abstract
A series of pyridazinone derivatives, bearing an aryl or pyridyl moiety linked through an ethenyl spacer to position-6 was designed and synthesized. The newly synthesized compounds were screened for preferential inhibition of COX-2 over COX-1 isoforms. Compounds 2c, 2d, 2e, 2f, 3a, 3b, 3c, 3d and 3e are highly potent COX-2 inhibitors with IC50 values in nano-molar range. Moreover, they showed clear preferential COX-2 over COX-1 inhibition with selective indices (SIs) ranging from 4 to 38. Of particular interest, compounds 2d, 2f, 3c and 3d exhibited the most prominent COX-2 inhibitory activity with IC50 values range of 15.56-19.77 nM. They showed SIs of 24, 38, 35 and 24, respectively which were 1.4-2.2 fold higher than celecoxib (SI 17). These four compounds were further investigated in vivo for anti-inflammatory activity using the carrageenan induced rat paw edema method and ulcerogenic liability. Compounds 2f, 3c and 3d demonstrated superior anti-inflammatory activity relative to both indomethacin and celecoxib. None of these compounds showed gastric ulcerogenic effect. On the other hand, compound 2d was found equipotent to celecoxib at the second hour of oral administration. At the fourth hour, it exhibited more potent anti-inflammatory activity than celecoxib, becoming equipotent to indomethacin. It showed mild hyperemia in vivo compared to indomethacin and celecoxib. The molecular docking study of compounds 2d, 2f, 3c and 3d into COX-2 active site revealed a similar binding mode to celecoxib, explaining their remarkable COX-2 inhibitory activity. Taken together, these results indicated that these derivatives are good leads for potential COX-2 inhibitors to be used as potent and safe anti-inflammatory agents.
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14
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Szczęśniak-Sięga BM, Mogilski S, Wiglusz RJ, Janczak J, Maniewska J, Malinka W, Filipek B. Synthesis and pharmacological evaluation of novel arylpiperazine oxicams derivatives as potent analgesics without ulcerogenicity. Bioorg Med Chem 2019; 27:1619-1628. [PMID: 30852078 DOI: 10.1016/j.bmc.2019.03.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 02/26/2019] [Accepted: 03/02/2019] [Indexed: 11/25/2022]
Abstract
Gastrotoxicity continues to be a major issue in therapy with nonsteroidal anti-inflammatory drugs (NSAIDs). Medicine is yet to develop absolutely safe analgesics. Numerous strategies are employed to discover new, safer NSAIDs, for example selective inhibition of cyclooxygenase-2, new molecular targets (e.g. microsomal prostaglandin E2 synthase-1), incorporation of cytoprotective compounds in the drug molecule or modification of the classic NSAIDs currently available on the market. The research presented in this paper is indicative of a current worldwide trend in this area of science, and is an example of the fourth strategy noted above. Two series of new arylpiperazine derivatives of the classic NSAID - piroxicam, were developed by conventional synthesis. The full range of compounds obtained proved to be between two and five times analgesically more potent than the reference drug and, most importantly, they did not show any ulcerogenic activity.
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Affiliation(s)
- Berenika M Szczęśniak-Sięga
- Department of Chemistry of Drugs, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland.
| | - Szczepan Mogilski
- Department of Pharmacodynamics, Faculty of Pharmacy, Medical College, Jagiellonian University, Medyczna 9, 30-688 Krakow, Poland
| | - Rafał J Wiglusz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wroclaw, Poland; Centre for Advanced Materials and Smart Structures, Polish Academy of Sciences, Okólna 2, 50-950 Wroclaw, Poland
| | - Jan Janczak
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wroclaw, Poland
| | - Jadwiga Maniewska
- Department of Chemistry of Drugs, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland
| | - Wiesław Malinka
- Department of Chemistry of Drugs, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland
| | - Barbara Filipek
- Department of Pharmacodynamics, Faculty of Pharmacy, Medical College, Jagiellonian University, Medyczna 9, 30-688 Krakow, Poland
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15
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Nabil S, Al-Dossary AO. in vitro Cytotoxic Evaluation of Some New Synthesized Pyridazine Derivatives. ACTA ACUST UNITED AC 2019. [DOI: 10.14233/ajchem.2019.21832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A series of novel pyridazine, pyrazoles, pyrimidines derivatives have been synthesized through the reaction of chloropyridazine (1) with p-phenylenediamine to give compound 2. Diazotization of compound 2 followed by coupling with active methylene compounds namely acetylacetone, ethylcyanoacetate and/or ethylacetoacetate afforded novel hydrazons derivatives (4-6). The resulting hydrazons can have been cyclized using hydrazine hydrate and guanidine gave the corresponding pyrazoles (7-9) and pyimidine (10) derivatives. Reaction of compound 2 with acrylonitrile, aromatic aldehyde, p-chloroacetophenone and phenyl isothiocyanate gave compounds 11, 12a, 12b, 13 and 17, respectively. The latter compounds have been used in synthesis of some heterocyclic compounds. The cytotoxic activity of the most active compounds was assessed in vitro against breast carcinoma cell line (MCF-7), human liver cancer cell line (HEPG2), human colon cancer cell line (HCT). Compounds 4, 8 showed best activity against MCF-7 cell line, compounds 5, 13a showed best activity against HePG2 cell line and compound 10 showed best activity against HCT cell line.
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Affiliation(s)
- Sara Nabil
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Abeer Obaid Al-Dossary
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
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16
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Gao D, Jin F, Yan X, Zare RN. Selective Synthesis in Microdroplets of 2-Phenyl-2,3-dihydrophthalazine-1,4-dione from Phenyl Hydrazine with Phthalic Anhydride or Phthalic Acid. Chemistry 2018; 25:1466-1471. [PMID: 30417449 DOI: 10.1002/chem.201805585] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Indexed: 01/10/2023]
Abstract
Pyridazine derivatives are privileged structures because of their potential biological and optical properties. Traditional synthetic methods usually require acid or base as a catalyst under reflux conditions with reaction times ranging from hours to a few days or require microwave assistance to induce the reaction. Herein, this work presents the accelerated synthesis of a pyridazine derivative, 2-phenyl-2,3-dihydrophthalazine-1,4-dione (PDHP), in electrosprayed microdroplets containing an equimolar mixture of phenyl hydrazine and phthalic anhydride or phthalic acid. This reaction occurred on the submillisecond timescale with good yield (over 90 % with the choice of solvent) without using an external catalyst at room temperature. In sharp contrast to the bulk reaction of obtaining a mixture of two products, the reaction in confined microdroplets yields only the important six-membered heterocyclic product PDHP. Results indicated that surface reactions in microdroplets with low pH values cause selectivity, acceleration, and high yields.
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Affiliation(s)
- Dan Gao
- Department of Chemistry, Stanford University, 333 Campus Drive, Stanford, CA, 94305-5080, USA.,State Key Laboratory of Chemical Oncogenomics the Graduate School at, Shenzhen, Tsinghua University, Tsinghua Campus, The University Town, Shenzhen, 518055, P. R. China
| | - Feng Jin
- Department of Chemistry, Stanford University, 333 Campus Drive, Stanford, CA, 94305-5080, USA
| | - Xin Yan
- Department of Chemistry, Stanford University, 333 Campus Drive, Stanford, CA, 94305-5080, USA
| | - Richard N Zare
- Department of Chemistry, Stanford University, 333 Campus Drive, Stanford, CA, 94305-5080, USA
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17
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Synthesis of coumarin-piperazine derivatives as potent anti-microbial and anti-inflammatory agents, and molecular docking studies. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.cdc.2018.06.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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18
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El-Badry YAM, Sallam MS, El-Hashash MAA. Efficient 1,3,4-Thiadiazole-4,5-dihydropyridazin-3(2H)-ones as Antimicrobial Agents. Chem Pharm Bull (Tokyo) 2018; 66:427-433. [PMID: 29607908 DOI: 10.1248/cpb.c17-00918] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A set of novel series of 1,3,4-thiadiazolyl-sulfanyl-4,5-dihydropyridazin-3(2H)-ones with anticipated antimicrobial activity has been synthesized. The synthetic protocol of the targeted compounds was accomplished by treating β-aroylacrylic acid 1 with 5-amino-1,3,4-thiadiazole-2-thiol (2) to afford the thia-Michael adduct 3. Afterwards, the obtained thia-Michael adduct 3 was cyclized to 4,5-dihydropyridazin-3(2H)-ones 4a-d and the non-cyclized product hydrazone 5 by using different hydrazines. Moreover, adduct 3 was reacted with esters like diethyl malonate and ethyl acetoacetate affording 1,3,4-thiadiazolobutanamides 6a, b. Furthermore, the concurrent reaction of later butamides 6a, b with the hydrazine derivatives furnished thiadiazolopyridazin-3(2H)-ones 7a-d, 8, and butanoic acid 9.
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Affiliation(s)
- Yaser Abdel-Moemen El-Badry
- Organic Chemistry Lab., Faculty of Specific Education, Ain Shams University.,Organic Chemistry Dep., Faculty of Science, Taif University
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19
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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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20
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Flefel EM, Tantawy WA, El-Sofany WI, El-Shahat M, El-Sayed AA, Abd-Elshafy DN. Synthesis of Some New Pyridazine Derivatives for Anti-HAV Evaluation. Molecules 2017; 22:molecules22010148. [PMID: 28106751 PMCID: PMC6155805 DOI: 10.3390/molecules22010148] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 01/09/2017] [Accepted: 01/10/2017] [Indexed: 11/23/2022] Open
Abstract
4-(2-(4-Halophenyl)hydrazinyl)-6-phenylpyridazin-3(2H)-ones 1a,b were prepared and treated with phosphorus oxychloride, phosphorus pentasulphide and ethyl chloroformate to give the corresponding chloropyridazine, pyridazinethione, oxazolopyridazine derivatives 2–4, respectively. Compound 2 reacted with hydrazine hydrate to afford hydrazinylpyridazine 7. The reaction of 4-(2-(4-chlorophenyl)hydrazinyl)-3-hydrazinyl-6-phenylpyridazine (7) with acetic anhydride, p-chlorobenzaldehyde and carbon disulphide gave the corresponding pyridazinotriazine derivatives 8–10. On the other hand, 5-(4-chlorophenylamino)-7-(3,5-dimethoxybenzylidene)-3-phenyl-5H-pyridazino[3,4-b][1,4]thiazin-6(7H)-one (11) was prepared directly from the reaction of compound 3 with chloroacetic acid in presence of p-chlorobenzaldehyde. Compound 11 reacted with nitrogen nucleophiles (hydroxylamine hydrochloride, hydrazine hydrate) and active methylene group-containing reagents (malononitrile, ethyl cyanoacetate) to afford the corresponding fused compounds 12–15, respectively. Pharmacological screening for antiviral activity against hepatitis A virus (HAV) was performed for the new compounds. 4-(4-Chlorophenylamino)-6-phenyl-1,2-dihydropyridazino[4,3-e][1,2,4]triazine-3(4H)-thione (10) showed the highest effect against HAV.
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Affiliation(s)
- Eman M Flefel
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Monawarah 1343, Saudi Arabia.
- Department of Photochemistry, Chemical Industries Research Division, National Research Centre, 33 EL-Bohouth St., Dokki 12622, Giza, Egypt.
| | - Waled A Tantawy
- Department of Photochemistry, Chemical Industries Research Division, National Research Centre, 33 EL-Bohouth St., Dokki 12622, Giza, Egypt.
| | - Walaa I El-Sofany
- Department of Photochemistry, Chemical Industries Research Division, National Research Centre, 33 EL-Bohouth St., Dokki 12622, Giza, Egypt.
| | - Mahmoud El-Shahat
- Department of Photochemistry, Chemical Industries Research Division, National Research Centre, 33 EL-Bohouth St., Dokki 12622, Giza, Egypt.
| | - Ahmed A El-Sayed
- Department of Photochemistry, Chemical Industries Research Division, National Research Centre, 33 EL-Bohouth St., Dokki 12622, Giza, Egypt.
| | - Dina N Abd-Elshafy
- Department of Water Pollution, Environmental Research Division, National Research Centre, 33 EL-Bohouth St., Dokki 12622, Giza, Egypt.
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21
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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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22
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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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23
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Yang L, Zhu Y, Shui M, Zhou T, Cai Y, Wang W, Xu F, Niu Y, Wang C, Zhang JL, Xu P, Yuan L, Liang L. Rational Design of Fluorescent Phthalazinone Derivatives for One- and Two-Photon Imaging. Chemistry 2016; 22:12363-70. [DOI: 10.1002/chem.201601499] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Lingfei Yang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences; Peking University Health Science Center; Beijing P. R. China
- Medical and Healthy Analysis Center; Peking University; Beijing P. R. China
| | - Yuanjun Zhu
- Department of Molecular and Cellular Pharmacology; School of Pharmaceutical Sciences; Peking University; Beijing P. R. China
| | - Mengyang Shui
- Department of Molecular and Cellular Pharmacology; School of Pharmaceutical Sciences; Peking University; Beijing P. R. China
| | - Tongliang Zhou
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences; Peking University Health Science Center; Beijing P. R. China
| | - Yuanbo Cai
- Beijing National Laboratory for Molecular Science; State Key Laboratory of Rare Earth Materials Chemistry and Applications; College of Chemistry and Molecular Engineering; Peking University; Beijing P. R.China
| | - Wei Wang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences; Peking University Health Science Center; Beijing P. R. China
| | - Fengrong Xu
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences; Peking University Health Science Center; Beijing P. R. China
| | - Yan Niu
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences; Peking University Health Science Center; Beijing P. R. China
| | - Chao Wang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences; Peking University Health Science Center; Beijing P. R. China
| | - Jun-Long Zhang
- Beijing National Laboratory for Molecular Science; State Key Laboratory of Rare Earth Materials Chemistry and Applications; College of Chemistry and Molecular Engineering; Peking University; Beijing P. R.China
| | - Ping Xu
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences; Peking University Health Science Center; Beijing P. R. China
| | - Lan Yuan
- Medical and Healthy Analysis Center; Peking University; Beijing P. R. China
| | - Lei Liang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences; Peking University Health Science Center; Beijing P. R. China
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24
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Synthesis of 2-substituted-4-aryl-6-phenylpyridazin-3(2H)-ones as potential anti-inflammatory and analgesic agents with cardioprotective and ulcerogenic sparing effects. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1588-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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25
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Yang L, Wang W, Sun Q, Xu F, Niu Y, Wang C, Liang L, Xu P. Development of novel proteasome inhibitors based on phthalazinone scaffold. Bioorg Med Chem Lett 2016; 26:2801-2805. [PMID: 27158142 DOI: 10.1016/j.bmcl.2016.04.067] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 04/11/2016] [Accepted: 04/23/2016] [Indexed: 11/18/2022]
Abstract
In this study we designed a series of proteasome inhibitors using pyridazinone as initial scaffold, and extended the structure with rational design by computer aided drug design (CADD). Two different synthetic routes were explored and the biological evaluation of the phthalazinone derivatives was investigated. Most importantly, electron positive triphenylphosphine group was first introduced in the structure of proteasome inhibitors and potent inhibition was achieved. As 6c was the most potent inhibitor of proteasome, we examined the structure-activity relationship (SAR) of 6c analogs.
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Affiliation(s)
- Lingfei Yang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Wei Wang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Qi Sun
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Fengrong Xu
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Yan Niu
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Chao Wang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Lei Liang
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China.
| | - Ping Xu
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China
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26
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Piperazine scaffold: A remarkable tool in generation of diverse pharmacological agents. Eur J Med Chem 2015; 102:487-529. [PMID: 26310894 DOI: 10.1016/j.ejmech.2015.07.026] [Citation(s) in RCA: 142] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Revised: 07/13/2015] [Accepted: 07/15/2015] [Indexed: 12/21/2022]
Abstract
Piperazine is one of the most sought heterocyclics for the development of new drug candidates. This ring can be traced in a number of well established, commercially available drugs. Wide array of pharmacological activities exhibited by piperazine derivatives have made them indispensable anchors for the development of novel therapeutic agents. The review herein highlights the therapeutic significance of piperazine derivatives. Various therapeutically active piperazine derivatives developed by several chemists are reported here.
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27
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Wang W, Liang L, Xu F, Huang W, Niu Y, Sun Q, Xu P. Ruthenium-Catalyzed Switchable N-H/C-H Alkenylation of 6-Phenyl(dihydro)pyridazinones with Alkynes. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402986] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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28
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Synthesis and biological evaluation of new pyrazolone-pyridazine conjugates as anti-inflammatory and analgesic agents. Bioorg Med Chem 2014; 22:2080-9. [PMID: 24631365 DOI: 10.1016/j.bmc.2014.02.042] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 02/11/2014] [Accepted: 02/19/2014] [Indexed: 12/18/2022]
Abstract
A new series of pyrazolone-pyridazine conjugates 3 and 4a-l were synthesized and characterized by spectroscopic means and elemental analyses. All compounds were tested in vivo for their anti-inflammatory and analgesic properties against diclofenac, as reference compound. The synthesized compounds were also evaluated for their ability to inhibit the production of certain inflammatory cytokines such as TNF-α and IL-6 in serum samples. The ulcerogenic potential of the synthesized compounds was also determined. IC50 values for inhibition of COX-1 and COX-2 enzymes were investigated in vitro for the most active candidates. Molecular docking was performed on the active site of COX-2 to predict their mode of binding to the amino acids. Among the synthesized derivatives, compounds 4c and 4e showed good analgesic and anti-inflammatory activities with lower ulcer index than the reference drug.
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