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Mukhtar SS, Sroor FM, Hafez TS, Abdelraof M, El-Sayed AF, Laboud YN, Hassaneen HM, Saleh FM. Evaluation of Pyrazolyl-Indolizine Derivatives as Antimicrobial Agents: Synthesis, In vitro, In silico ADMET and Molecular Docking Studies. Chem Biodivers 2024; 21:e202400825. [PMID: 38802323 DOI: 10.1002/cbdv.202400825] [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: 03/30/2024] [Revised: 05/22/2024] [Accepted: 05/27/2024] [Indexed: 05/29/2024]
Abstract
Herein, we report analogues of s-indacene by the synthesis of novel indolizine derivatives. Using chloroform as an appropriate solvent, sixteen derivatives of pyrazolyl-indolizine (4--19) were prepared by the reaction of 3-(dimethylamino)-1-(1H-pyrrol-2-yl)prop-2-en-1-one (1) with hydrazonoyl chloride derivatives (2) in the presence of triethylamine in good to excellent yields. We used NMR spectra, IR, mass spectrometry, as well as elemental analyses to prove the chemical structures and the purity of the synthesized compounds 4-19. Among all tested compounds 5, 9, 13 and 19 had a potent antimicrobial efficiency against Bacillus subtilis, Staphylococcus aureus, Pseudomonas aerginousea, Sallmonella typhemerium, and Candida albicans. Furthermore, a significant increase in lipid peroxidation (LPO) toward the Gram-negative bacteria, Pseudomonas aeruginosa when treated with compound 9 was observed, while compound 13 remarkably increased the cell membrane oxidation of Salmonella typhimurium. Additionally, we utilized docking studies and in silico methods to evaluate the drug-likeness, physicochemical properties, and ADMET profiles of the compounds. The results of the molecular docking simulation revealed that the synthesized compounds displayed decreased binding energy when interacting with the active sites of important enzymes, including Sterol 14-demethylase of C. albicans, Dihydropteroate synthase of S. aureus, LasR of P. aeruginosa, Glucosamine-6-phosphate synthase of S. typhimurium, and Gyrase B of B. subtilis.
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Affiliation(s)
- Shorouk S Mukhtar
- Organometallic and Organometalloid Chemistry Department, National Research Centre, 12622, Cairo, Egypt
| | - Farid M Sroor
- Organometallic and Organometalloid Chemistry Department, National Research Centre, 12622, Cairo, Egypt
| | - Taghrid S Hafez
- Organometallic and Organometalloid Chemistry Department, National Research Centre, 12622, Cairo, Egypt
| | - Mohamed Abdelraof
- Microbial Chemistry Department, Biotechnology Research Institute, National Research Centre, Giza, Egypt
| | - Ahmed F El-Sayed
- Microbial Genetics Department, Biotechnology Research Institute, National Research Centre, Giza, Egypt
- Egypt Center for Research and Regenerative Medicine (ECRRM), Cairo, Egypt
| | - Yara N Laboud
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Hamdi M Hassaneen
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Fatma M Saleh
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
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2
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Polymeric REE coordination compounds based on novel enaminone derivative. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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3
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2D polymeric lanthanide(III) compounds based on novel bright green emitting enaminone ligand. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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4
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Amaye IJ, Harper T, L Jackson-Ayotunde P. Design and development of trifluoromethylated enaminone derivatives as potential anticonvulsants. J Fluor Chem 2021. [DOI: 10.1016/j.jfluchem.2021.109886] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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5
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Amaye IJ, Haywood RD, Mandzo EM, Wirick JJ, Jackson-Ayotunde PL. Enaminones as building blocks in drug development: Recent advances in their chemistry, synthesis, and biological properties. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.131984] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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6
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Fang Y, Kirkland J, Amaye IJ, Jackson-Ayotunde P, George M. Molecular Docking Studies on Anticonvulsant Enaminones Inhibiting Voltage-Gated Sodium Channels. ACTA ACUST UNITED AC 2019; 9:241-257. [PMID: 34012723 DOI: 10.4236/ojpc.2019.94015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Epilepsy is described as the most common chronic brain disorder. A typical symptom of epilepsy results in uncontrolled convulsions caused by temporary excessive neuronal discharges. Although, several new anticonvulsants have been introduced, some types of seizures have still not been adequately controlled with these new and current therapies. There is an urgent need to develop new anticonvulsant drugs to control the many different types of seizures. Many studies have shown that the epilepsies involve more than one mechanism and therefore may be responsible for the various types of observed seizures. Recently reported studies have shown that a group of newly synthesized 6 Hz active anticonvulsant fluorinated N-benzamide enaminones to exhibited selective inhibitions of voltage-gated sodium (Nav) channels. Nav channels are responsible for the initial inward currents during the depolarization phases of the action potential in excitable cells. The activation and opening of Nav channels result in the initial phases of action potentials. We hypothesize that there is an essential pharmacophore model for the interactions between these enaminones and the active sites of Nav channels. The research reported here is focused on molecular docking studies of the interactions that occur between the fluorinated N-benzamide enaminones and the Nav channels. These studies may open an avenue for designing anticonvulsant drugs by inhibiting Nav channels.
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Affiliation(s)
- Yayin Fang
- Department of Biochemistry and Molecular Biology, College of Medicine, Howard University, 520 W Street NW, Washington, DC 20059, USA
| | - Jamiya Kirkland
- Department of Biochemistry and Molecular Biology, College of Medicine, Howard University, 520 W Street NW, Washington, DC 20059, USA
| | - Isis J Amaye
- Department of Pharmaceutical Sciences, School of Pharmacy and Health Professions, University of Maryland Eastern Shore, 1 Backbone Road, Princess Anne, MD 21853, USA
| | - Patrice Jackson-Ayotunde
- Department of Pharmaceutical Sciences, School of Pharmacy and Health Professions, University of Maryland Eastern Shore, 1 Backbone Road, Princess Anne, MD 21853, USA
| | - Matthew George
- Department of Biochemistry and Molecular Biology, College of Medicine, Howard University, 520 W Street NW, Washington, DC 20059, USA
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7
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6 Hz Active Anticonvulsant Fluorinated N-Benzamide Enaminones and Their Inhibitory Neuronal Activity. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15081784. [PMID: 30127263 PMCID: PMC6121254 DOI: 10.3390/ijerph15081784] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 08/06/2018] [Accepted: 08/08/2018] [Indexed: 11/17/2022]
Abstract
A small library of novel fluorinated N-benzamide enaminones were synthesized and evaluated in a battery of acute preclinical seizure models. Three compounds (GSA 62, TTA 35, and WWB 67) were found to have good anticonvulsant activity in the 6-Hz 'psychomotor' 44-mA rodent model. The focus of this study was to elucidate the active analogs' mode of action on seizure-related molecular targets. Electrophysiology studies were employed to evaluate the compounds' ability to inhibit neuronal activity in central olfactory neurons, mitral cells, and sensory-like ND7/23 cells, which express an assortment of voltage and ligand-gated ion channels. We did not find any significant effects of the three compounds on action potential generation in mitral cells. The treatment of ND7/23 cells with 50 µM of GSA 62, TTA 35, and WWB 67 generated a significant reduction in the amplitude of whole-cell sodium currents. Similar treatment of ND7/23 cells with these compounds had no effect on T-type calcium currents, indicating that fluorinated N-benzamide enaminone analogs may have a selective effect on voltage-gated sodium channels, but not calcium channels.
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8
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Garro Martinez JC, Vega-Hissi EG, Andrada MF, Estrada MR. QSAR and 3D-QSAR studies applied to compounds with anticonvulsant activity. Expert Opin Drug Discov 2014; 10:37-51. [DOI: 10.1517/17460441.2015.968123] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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9
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In silico identification of the active conformation of open-chain enaminones with anticonvulsant activity. Med Chem Res 2014. [DOI: 10.1007/s00044-013-0783-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Enaminones 11. An examination of some ethyl ester enaminone derivatives as anticonvulsant agents. Bioorg Med Chem 2013; 21:3272-9. [PMID: 23602623 DOI: 10.1016/j.bmc.2013.03.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Revised: 03/01/2013] [Accepted: 03/09/2013] [Indexed: 11/21/2022]
Abstract
In this paper, we investigated the previously synthesized anticonvulsant enaminone ethyl ester analogs using the computational gaussian 03 programs. The significant chemical features of the enaminone compounds that lead to positive anticonvulsant activity were identified. From our analyses, we believe that the neutrality of the phenyl ring may be important for binding in the hydrophobic pocket of the active site and that the binding of the phenyl substituent is the main reason why some analogs are active and others are inactive.
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11
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Jackson PL, Hanson CD, Farrell AK, Butcher RJ, Stables JP, Eddington ND, Scott K. Enaminones 12. An explanation of anticonvulsant activity and toxicity per Linus Pauling’s clathrate hypothesis. Eur J Med Chem 2012; 51:42-51. [DOI: 10.1016/j.ejmech.2012.02.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2011] [Revised: 01/29/2012] [Accepted: 02/01/2012] [Indexed: 10/14/2022]
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12
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Enaminones 8: CoMFA and CoMSIA studies on some anticonvulsant enaminones. Bioorg Med Chem 2008; 17:133-40. [PMID: 19059784 DOI: 10.1016/j.bmc.2008.11.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2008] [Revised: 11/01/2008] [Accepted: 11/07/2008] [Indexed: 11/23/2022]
Abstract
3D-QSAR studies comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) were carried out on 26 structurally diverse subcutaneous pentylenetetrazol (scPTZ) active enaminone analogues, previously synthesized in our laboratory. CoMFA and CoMSIA were employed to generate models to define the specific structural and electrostatic features essential for enhanced binding to the putative GABA receptor. The 3D-QSAR models demonstrated a reliable ability to predict the CLogP of the active anticonvulsant enaminones, resulting in a q(2) of 0.558 for CoMFA, and a q(2) of 0.698 for CoMSIA. The outcomes of the contour maps for both models provide detailed insight for the structural design of novel enaminone derivatives as potential anticonvulsant agents.
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13
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Edafiogho IO, Kombian SB, Ananthalakshmi KVV, Salama NN, Eddington ND, Wilson TL, Alexander MS, Jackson PL, Hanson CD, Scott KR. Enaminones: Exploring Additional Therapeutic Activities. J Pharm Sci 2007; 96:2509-31. [PMID: 17621683 DOI: 10.1002/jps.20967] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Enaminones, enamines of beta-dicarbonyl compounds, have been known for many years. Their early use has been relegated to serving as synthetic intermediates in organic synthesis and of late, in pharmaceutical development. Recently, the therapeutic potential of these entities has been realized. This review provides the background and current research in this area with emphasis of these agents as potential anticonvulsants, their proposed mechanisms of action, and as potential modulators of multidrug resistance (MDR).
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily B, Member 1/genetics
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- Amines/chemical synthesis
- Amines/metabolism
- Amines/pharmacology
- Amines/therapeutic use
- Animals
- Anticonvulsants/chemical synthesis
- Anticonvulsants/metabolism
- Anticonvulsants/pharmacology
- Anticonvulsants/therapeutic use
- Blood-Brain Barrier/metabolism
- Crystallography, X-Ray
- Drug Resistance, Multiple/drug effects
- Drug Resistance, Multiple/genetics
- Epilepsy/drug therapy
- Epilepsy/genetics
- Epilepsy/metabolism
- Excitatory Postsynaptic Potentials/drug effects
- Humans
- Models, Chemical
- Molecular Structure
- Neurons/drug effects
- Neurons/metabolism
- Polymorphism, Single Nucleotide
- Quantitative Structure-Activity Relationship
- Synaptic Transmission/drug effects
- gamma-Aminobutyric Acid/metabolism
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Affiliation(s)
- Ivan O Edafiogho
- Department of Pharmacy Practice, Faculty of Pharmacy, Kuwait University, P.O. Box 24923, Safat 13110, Kuwait
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14
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Girgis AS, Ellithey M. Facile synthesis of non-steroidal anti-inflammatory active bisbenzamide-containing compounds. Bioorg Med Chem 2006; 14:8527-32. [PMID: 16973366 DOI: 10.1016/j.bmc.2006.08.032] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2006] [Revised: 08/22/2006] [Accepted: 08/22/2006] [Indexed: 11/16/2022]
Abstract
A variety of N,N'-bis{2-[1,2-ethanediylbis(oxy-2,1-phenylene)]-1-(substituted carbonyl)ethenyl}benzamides 7a-c, 9a-d were synthesized via nucleophilic attack of either primary 8 or secondary amines 6 on bisoxazol-5(4H)-one 5. The latter was obtained through the reaction of 2,2'-[1,2-ethanediylbis(oxy)]bisbenzaldehyde (4) with hippuric acid in acetic anhydride in the presence of anhydrous sodium acetate. The anti-inflammatory properties of the prepared compounds were screened using carrageenan-induced paw oedema in rats. Many of the prepared bisbenzamide-containing compounds show considerable in vivo anti-inflammatory activity, especially 7b which reveals remarkable pharmacological properties comparable with ketoprofen (which was used as a reference standard) at successive time intervals (1, 2, 3, 4 and 24h).
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Affiliation(s)
- Adel S Girgis
- Pesticide Chemistry Department, National Research Centre, Dokki, 12622 Cairo, Egypt.
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15
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Edafiogho IO, Ananthalakshmi KVV, Kombian SB. Anticonvulsant evaluation and mechanism of action of benzylamino enaminones. Bioorg Med Chem 2006; 14:5266-72. [PMID: 16621576 DOI: 10.1016/j.bmc.2006.03.049] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2005] [Revised: 03/25/2006] [Accepted: 03/29/2006] [Indexed: 11/29/2022]
Abstract
The mechanism of anticonvulsant action was evaluated for the benzylamino enaminones. The most potent enaminone in this series was the unsubstituted benzylamine analog (30; methyl 4-benzylamino-6-methyl-2-oxocyclohex-3-en-1-oate) which had an oral effective dose (ED50) in rats of 27 mg/kg against maximal electroshock seizures, and a concentration 10-fold less than this dose depressed excitatory synaptic transmission, and action potential firing in the rat brain in vitro.
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Affiliation(s)
- Ivan O Edafiogho
- Faculty of Pharmacy, Kuwait University, PO Box 24923, Safat 13110, Kuwait.
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