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Al-Zaydi KM, Saleh TS, Alqahtani NF, Bagazi MS. Bis(pyridine)enaminone as a Precursor for the Synthesis of Bis(azoles) and Bis(azine) Utilizing Recent Economic Green Chemistry Technology: The Q-Tube System. Molecules 2023; 28:molecules28052355. [PMID: 36903598 PMCID: PMC10005632 DOI: 10.3390/molecules28052355] [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: 01/04/2023] [Revised: 02/25/2023] [Accepted: 02/27/2023] [Indexed: 03/08/2023] Open
Abstract
We reported herein efficient economic high-pressure synthesis procedures for the synthesis of bis(azoles) and bis(azines) by utilizing the bis(enaminone) intermediate. Bis(enaminone) reacted with hydrazine hydrate, hydroxylamine hydrochloride, guanidine hydrochloride, urea, thiourea, and malononitrile to form the desired bis azines and bis azoles. A combination of elemental analyses and spectral data was used to confirm the structures of the products. Compared with conventional heating, the high-pressure Q-Tube method promotes reactions in a short period of time and provides high yields.
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Affiliation(s)
- Khadijah M. Al-Zaydi
- Department of Chemistry, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
- Correspondence: (K.M.A.-Z.); (T.S.S.)
| | - Tamer S. Saleh
- Department of Chemistry, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
- Green Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
- Correspondence: (K.M.A.-Z.); (T.S.S.)
| | - Norah F. Alqahtani
- Department of Chemistry, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Meaad S. Bagazi
- Department of Chemistry, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
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Salem ME, Fares IMZ, Ghozlan SAS, Elwahy AHM, Abdelhamid IA. Hantzsch-like three-component synthesis of bis(1,4-dihydropyridines) and bis(fused-1,4-dihydropyridines) linked to piperazine core via 2-phenoxyethanone linkage: Novel hybrid molecules. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2122844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Mostafa E. Salem
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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3
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Mumtaz F, Shafaroodi H, Nezamoleslami S, Zubair M, Sheibani M, Nikoui V, Ghazi-Khansari M, Dehpour AR. Involvement of nNOS, and α1, α2, β1, and β2 Subunits of Soluble Guanylyl Cyclase Genes Expression in Anticonvulsant Effect of Sumatriptan on Pentylenetetrazole-Induced Seizure in Mice. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2021; 19:181-192. [PMID: 33841534 PMCID: PMC8019868 DOI: 10.22037/ijpr.2020.112594.13844] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Epileptic seizure is phenomenon of abnormal synchronous neuronal discharge of a set of neurons in brain as a result of neuronal excitation. Evidence shows the nitric oxide (NO) involvement in neuronal excitability. Moreover, the role of cyclic guanosine monophosphate (cGMP) activation in seizure pathogenesis is well-established. Sumatriptan is a selective agonist of 5-Hydroxytryptamine1B/D auto-receptor, has been reassessed for its neuroprotection. This study was aimed to explore the anticonvulsant effect of sumatriptan through possible involvement of NO-cGMP pathway in mice. For this purpose, the protective effect of sumatriptan on PTZ-induced clonic seizure threshold (CST) was measured using NO-cGMP pathway inhibitors including N(G)-nitro-L-arginine (L-NNA, 1, 5, and 10 mg/kg), 7-nitroindazole (7-NI, 30, 45, and 60 mg/kg), aminoguanidine (AG, 30, 50, and 100 mg/kg), methylene blue (MB, 0.1, 0.5, and 1 mg/kg) and sildenafil (5, 10, and 20 mg/kg). The involvement of nitrergic system was further confirmed by measurement of nitrite levels by Griess reaction. The gene expression of neuronal nitric oxide synthase (nNOS) and subunits of soluble guanylyl cyclase (sGC) was studied using qRT-PCR analysis. Acute administration of sumatriptan (1.2 and 0.3 mg/kg) in combination with subeffective doses of NOS, sGC, and phosphodiesterase 5 inhibitors significantly reversed the PTZ-induced CST (P ≤ 0.001). The nitrite level in prefrontal cortex was significantly attenuated by sumatriptan (P ≤ 0.01). Furthermore, sumatriptan downregulated the PTZ-induced mRNA expression of nNOS (P ≤ 0.01), α1 (P ≤ 0.001), α2 (P ≤ 0.05), and β1 (P ≤ 0.05) genes in cerebral cortex of mice. In conclusion, the anticonvulsant activity of sumatriptan at least, in part, is mediated through inhibiting NO-cGMP pathway.
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Affiliation(s)
- Faiza Mumtaz
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamed Shafaroodi
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sadaf Nezamoleslami
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Muhammad Zubair
- Key Laboratory of Integrated Management of Crop Diseases and Pests, College of Plant Protection, Nanjing Agriculture University, Nanjing, 210095, PR China
| | - Mohammad Sheibani
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Vahid Nikoui
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Ghazi-Khansari
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Reza Dehpour
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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5-[Aryloxypyridyl (or nitrophenyl)]-4H-1,2,4-triazoles as novel flexible benzodiazepine analogues: Synthesis, receptor binding affinity and lipophilicity-dependent anti-seizure onset of action. Bioorg Chem 2020; 106:104504. [PMID: 33279247 DOI: 10.1016/j.bioorg.2020.104504] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 11/19/2020] [Accepted: 11/19/2020] [Indexed: 02/06/2023]
Abstract
A new series of 5-(2-aryloxy-4-nitrophenyl)-4H-1,2,4-triazoles and 5-(2-aryloxy-3-pyridyl)-4H-1,2,4-triazoles, possessing C-3 thio or alkylthio substituents, was synthesized and evaluated for their benzodiazepine receptor affinity and anti-seizure activity. These analogues revealed similar to significantly superior affinity to GABAA/benzodiazepine receptor complex (IC50 values of 0.04-4.1 nM), relative to diazepam as the reference drug (IC50 value of 2.4 nM). To determine the onset of anti-seizure activity, the time-dependent effectiveness of i.p. administration of compounds on pentylenetetrazole induced seizure threshold was studied and a very good relationship was observed between the lipophilicity (cLogP) and onset of action of studied analogues (r2 = 0.964). The minimum effective dose of the compounds, determined at the time the analogues showed their highest activity, was demonstrated to be 0.025-0.1 mg/kg, relative to diazepam (0.025 mg/kg).
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Sanad SMH, Hawass MAE, Elwahy AHM, Abdelhamid IA. Hantzsch synthesis of bis(1,4-dihydropyridines) and bis(tetrahydrodipyrazolo[3,4-b:4′,3′-e]pyridines) linked to pyrazole units as novel hybrid molecules. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1761395] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Abdella AM, Abdelmoniem AM, Ibrahim NS, El-Hallouty SM, Abdelhamid IA, Elwahy AHM. Synthesis, Cytotoxicity and Molecular Docking Simulation of Novel bis-1,4-Dihydropyridines Linked to Aliphatic or Arene Core via Amide or Ester-Amide Linkages. Mini Rev Med Chem 2019; 20:801-816. [PMID: 31538896 DOI: 10.2174/1389557519666190919160019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 06/03/2019] [Accepted: 09/03/2019] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Novel bis(1,4-dihydropyridine-3,5-dicarbonitrile) derivatives linked to aliphatic or aromatic cores via amide or ester-amide linkages were prepared and their structures were confirmed by several spectral tools. METHODS The synthesis of novel N,N'-(alkanediyl)bis(2-(2-(3,5-dicyano-2,6-dimethyl-1,4-dihydropyridin- 4-yl)phenoxy)acetamide) by acid-catalyzed condensation of the bis-aldehydes with four equivalents of 3-aminocrotononitrile was reported. RESULTS The structures of the synthesized compounds were confirmed by different spectral tools. The molecular docking stimulation studies indicated that the prepared compounds bind to the active site of cellular inhibitor apoptotic protein (cIAP1-BIR3). MTT assay for the novel bis(1,4-dihydropyridines) was performed on two different human cell lines (A549 and HCT116). CONCLUSION Compound 5a showed higher cytotoxic activity against A549. Compound 5d showed moderate activity against HCT116. The rest of compounds indicated lower or no activity against both cell lines.
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Affiliation(s)
- Amna M Abdella
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Amr M Abdelmoniem
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Nada S Ibrahim
- Chemistry Department (biochemistry branch), Faculty of Science, Cairo University, Giza, Egypt
| | - Salwa M El-Hallouty
- Drug Bioassay-Cell Culture Laboratory, Pharmacognosy Department, National Research Center, Dokki, Giza, 12622, Egypt
| | | | - Ahmed H M Elwahy
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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Shafie A, Mohammadi-Khanaposhtani M, Asadi M, Rahimi N, Ranjbar PR, Ghasemi JB, Larijani B, Mahdavi M, Shafaroodi H, Dehpour AR. Novel fused 1,2,3-triazolo-benzodiazepine derivatives as potent anticonvulsant agents: design, synthesis, in vivo, and in silico evaluations. Mol Divers 2019; 24:179-189. [DOI: 10.1007/s11030-019-09940-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 03/13/2019] [Indexed: 10/27/2022]
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8
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Maru MS, Sudhadevi Antharjanam PK, Khan NUH. Catalyst-Free Solid Phase Microwave-Assisted Synthesis of 1,4-Dihydropyridine Derivatives and Their Single Crystal Structure Determination. ChemistrySelect 2019. [DOI: 10.1002/slct.201803559] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Minaxi S. Maru
- Inorganic Materials and Catalysis Division, Council of Scientific and Industrial Research (CSIR); Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar-; 364002 Gujarat India
- Inorganic Chemistry Division, Department of Chemistry; Saurashtra University, Rajkot-360005; Gujarat India
| | - P. K. Sudhadevi Antharjanam
- Single Crystal XRD Lab; Sophisticated Analytical Instrument Facility; Indian Institute of Technology Madras, Chennai-; 600036 Tamil Nadu India
| | - Noor-ul H. Khan
- Inorganic Materials and Catalysis Division, Council of Scientific and Industrial Research (CSIR); Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar-; 364002 Gujarat India
- Academy of Scientific and Innovative Research (AcSIR); Council of Scientific and Industrial Research (CSIR); Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar-; 364002 Gujarat India
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Shahraki O, Edraki N, Khoshneviszadeh M, Zargari F, Ranjbar S, Saso L, Firuzi O, Miri R. Novel 5-oxo-hexahydroquinoline derivatives: design, synthesis, in vitro P-glycoprotein-mediated multidrug resistance reversal profile and molecular dynamics simulation study. Drug Des Devel Ther 2017; 11:407-418. [PMID: 28243063 PMCID: PMC5317256 DOI: 10.2147/dddt.s119995] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Overexpression of the efflux pump P-glycoprotein (P-gp) is one of the important mechanisms of multidrug resistance (MDR) in many tumor cells. In this study, 26 novel 5-oxo-hexahydroquinoline derivatives containing different nitrophenyl moieties at C4 and various carboxamide substituents at C3 were designed, synthesized and evaluated for their ability to inhibit P-gp by measuring the amount of rhodamine 123 (Rh123) accumulation in uterine sarcoma cells that overexpress P-gp (MES-SA/Dx5) using flow cytometry. The effect of compounds with highest MDR reversal activities was further evaluated by measuring the alterations of MES-SA/Dx5 cells’ sensitivity to doxorubicin (DXR) using MTT assay. The results of both biological assays indicated that compounds bearing 2-nitrophenyl at C4 position and compounds with 4-chlorophenyl carboxamide at C3 demonstrated the highest activities in resistant cells, while they were devoid of any effect in parental nonresistant MES-SA cells. One of the active derivatives, 5c, significantly increased intracellular Rh123 at 100 µM, and it also significantly reduced the IC50 of DXR by 70.1% and 88.7% at 10 and 25 µM, respectively, in MES-SA/Dx5 cells. The toxicity of synthesized compounds against HEK293 as a noncancer cell line was also investigated. All tested derivatives except for 2c compound showed no cytotoxicity. A molecular dynamics simulation study was also performed to investigate the possible binding site of 5c in complex with human P-gp, which showed that this compound formed 11 average H-bonds with Ser909, Thr911, Arg547, Arg543 and Ser474 residues of P-gp. A good agreement was found between the results of the computational and experimental studies. The findings of this study show that some 5-oxo-hexahydroquinoline derivatives could serve as promising candidates for the discovery of new agents for P-gp-mediated MDR reversal.
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Affiliation(s)
- Omolbanin Shahraki
- Medicinal and Natural Products Chemistry Research Center; Department of Medicinal Chemistry, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Najmeh Edraki
- Medicinal and Natural Products Chemistry Research Center
| | - Mehdi Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center; Department of Medicinal Chemistry, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Sara Ranjbar
- Medicinal and Natural Products Chemistry Research Center; Department of Medicinal Chemistry, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Ersparmer", Sapienza University of Rome, Rome, Italy
| | | | - Ramin Miri
- Medicinal and Natural Products Chemistry Research Center
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Shahraki O, Zargari F, Edraki N, Khoshneviszadeh M, Firuzi O, Miri R. Molecular dynamics simulation and molecular docking studies of 1,4-Dihydropyridines as P-glycoprotein’s allosteric inhibitors. J Biomol Struct Dyn 2017; 36:112-125. [DOI: 10.1080/07391102.2016.1268976] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Omolbanin Shahraki
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Medicinal Chemistry, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Farshid Zargari
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Najmeh Edraki
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehdi Khoshneviszadeh
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Medicinal Chemistry, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Omidreza Firuzi
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ramin Miri
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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1,ω-Bis(formylphenoxy)alkane: versatile precursors for novel bis-dihydropyridine derivatives. MONATSHEFTE FUR CHEMIE 2016. [DOI: 10.1007/s00706-015-1644-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Mohamed MF, Darweesh AF, Elwahy AHM, Abdelhamid IA. Synthesis, characterization and antitumor activity of novel tetrapodal 1,4-dihydropyridines: p53 induction, cell cycle arrest and low damage effect on normal cells induced by genotoxic factor H2O2. RSC Adv 2016. [DOI: 10.1039/c6ra04974e] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Synthesis of novel tetrakis(2,6-dimethyl-4-phenyl-1,4-dihydropyridinyl)methanes5a–dby acid-catalyzed condensation of the tetrakis-aldehydes6a–dwith eight equivalents of 3-aminobut-2-enenitrile2is reported. Antitumor activities of compounds5a–dwere also investigated.
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Affiliation(s)
- Magda F. Mohamed
- Chemistry Department (Biochemistry Branch)
- Faculty of Science
- Cairo University
- Giza
- Egypt
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Shaldam MA, El-Hamamsy MH, Saleh DO, El-Moselhy TF. Synthesis, Evaluation of Pharmacological Activity, and Molecular Docking of 1,4-Dihydropyridines as Calcium Antagonists. Chem Pharm Bull (Tokyo) 2016; 64:297-304. [DOI: 10.1248/cpb.c15-00737] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Moataz Ahmed Shaldam
- Department of Medicinal Chemistry, Faculty of Pharmacy, Delta University for Science and Technology
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Anticonvulsant effects of bis-1,4-dihydropyridines and the probable role of L-type calcium channels suggested by docking simulations. Med Chem Res 2014. [DOI: 10.1007/s00044-014-1083-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Mashayekh S, Rahmanipour N, Mahmoodi B, Ahmadi F, Motaharian D, Shahhosseini S, Shafaroodi H, Banafshe HR, Shafiee A, Navidpour L. Synthesis, receptor affinity and effect on pentylenetetrazole-induced seizure threshold of novel benzodiazepine analogues: 3-Substituted 5-(2-phenoxybenzyl)-4H-1,2,4-triazoles and 2-amino-5-(phenoxybenzyl)-1,3,4-oxadiazoles. Bioorg Med Chem 2014; 22:1929-37. [DOI: 10.1016/j.bmc.2014.01.041] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 01/21/2014] [Accepted: 01/22/2014] [Indexed: 10/25/2022]
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1,4-Dihydropyridine Calcium Channel Blockers: Homology Modeling of the Receptor and Assessment of Structure Activity Relationship. ACTA ACUST UNITED AC 2014. [DOI: 10.1155/2014/203518] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
1,4-Dihydropyridine (DHP), an important class of calcium antagonist, inhibits the influx of extracellular Ca+2 through L-type voltage-dependent calcium channels. Three-dimensional (3D) structure of calcium channel as a receptor for 1,4-dihydropyridine is a step in understanding its mode of action. Protein structure prediction and modeling tools are becoming integral parts of the standard toolkit in biological and biomedical research. So, homology modeling (HM) of calcium channel alpha-1C subunit as DHP receptor model was achieved. The 3D structure of potassium channel was used as template for HM process. The resulted dihydropyridine receptor model was checked by different means to assure stereochemical quality and structural integrity of the model. This model was achieved in an attempt to understand the mode of action of DHP calcium channel antagonist and in further computer-aided drug design (CADD) analysis. Also the structure-activity relationship (SAR) of DHPs as antihypertensive and antianginal agents was reviewed, summarized, and discussed.
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Mesostructured SBA-15-Pr-SO3H: An efficient solid acid catalyst for one-pot and solvent-free synthesis of 3,4-dihydro-2-pyridone derivatives. J CHEM SCI 2014. [DOI: 10.1007/s12039-013-0511-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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18
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Figueredo YN, Rodríguez EO, Reyes YV, Domínguez CC, Parra AL, Sánchez JR, Hernández RD, Verdecia MP, Pardo Andreu GL. Characterization of the anxiolytic and sedative profile of JM-20: a novel benzodiazepine–dihydropyridine hybrid molecule. Neurol Res 2013; 35:804-12. [DOI: 10.1179/1743132813y.0000000216] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
| | - Estael Ochoa Rodríguez
- Laboratorio de Síntesis Orgánica de La Facultad de Química de La Universidad de La Habana Ciudad de la Habana, Cuba
| | - Yamila Verdecia Reyes
- Centro de Estudio para las Investigaciones y Evaluaciones Biológicas, Instituto de Farmacia y Alimentos, Universidad de La Habana, Ciudad Habana, Cuba
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Davood A, Shafaroodi H, Iman M, Shafiee A. Molecular modeling and protection against pentylenetetrazole-induced seizure of new 1,4-dihydropyridines containing 5(4)-imidazolyl substituent. Med Chem Res 2011. [DOI: 10.1007/s00044-011-9904-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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21
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Rezvani ME, Roohbakhsh A, Mosaddegh MH, Esmailidehaj M, Khaloobagheri F, Esmaeili H. Anticonvulsant and depressant effects of aqueous extracts of Carum copticum seeds in male rats. Epilepsy Behav 2011; 22:220-5. [PMID: 21849259 DOI: 10.1016/j.yebeh.2011.07.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Revised: 07/12/2011] [Accepted: 07/15/2011] [Indexed: 11/16/2022]
Abstract
In this study, the effects of aqueous extracts of Carum copticum seeds (CCS) were evaluated in kindling models of epilepsy. Additionally, the sedative and anxiolytic effects of the extract were assessed. For pentylenetetrazole (PTZ) kindling, rats received a subconvulsant dose of PTZ (40 mg/kg, ip) every second day and seizure stages were recorded. CCS aqueous extract (200, 400, or 600 mg/kg, ip) was injected 30 minutes prior to each PTZ injection. In electrical kindling, bipolar stimulating and monopolar recording electrodes were implanted stereotaxically in the right basolateral amygdala of male Sprague-Dawley rats. After kindling, the effect of aqueous extracts of CCS (200, 400, or 600 mg/kg, ip) on afterdischarge duration, duration of rearing, forelimb clonus, and loss of equilibrium (stage 5 seizure), and latency to the onset of bilateral forelimb clonus were measured. The sedative and the anxiolytic effects of CCS extracts were evaluated in an open-field apparatus and elevated plus maze, respectively. The results indicate that aqueous extracts of CCS have a significant anticonvulsant effect. Different doses of extract significantly delayed the incidence of every seizure stage in the PTZ model of kindling. Moreover, CCS extract (400 and 600 mg/kg, ip) suppressed afterdischarge duration, latency to the onset of bilateral forelimb clonus, and stage 5 seizure in the electrical kindling model. These results suggest that CCS extract has remarkable antiepileptic and central depressant effects.
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Affiliation(s)
- Mohammad Ebrahim Rezvani
- Department of Physiology, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
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Miri R, Motamedi R, Rezaei MR, Firuzi O, Javidnia A, Shafiee A. Design, Synthesis and Evaluation of Cytotoxicity of Novel Chromeno[4,3-b]quinoline Derivatives. Arch Pharm (Weinheim) 2010; 344:111-8. [DOI: 10.1002/ardp.201000196] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Revised: 08/16/2010] [Accepted: 08/20/2010] [Indexed: 11/08/2022]
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23
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Ghasemi M, Shafaroodi H, Nazarbeiki S, Meskar H, Heydarpour P, Ghasemi A, Talab SS, Ziai P, Bahremand A, Dehpour AR. Voltage-dependent calcium channel and NMDA receptor antagonists augment anticonvulsant effects of lithium chloride on pentylenetetrazole-induced clonic seizures in mice. Epilepsy Behav 2010; 18:171-8. [PMID: 20605531 DOI: 10.1016/j.yebeh.2010.04.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2010] [Revised: 03/29/2010] [Accepted: 04/02/2010] [Indexed: 01/18/2023]
Abstract
Although lithium is still a mainstay in the treatment of bipolar disorder, its underlying mechanisms of action have not been completely elucidated. Several studies have shown that lithium can also modulate seizure susceptibility in a variety of models. In the present study, using a model of clonic seizures induced with pentylenetetrazole (PTZ) in male Swiss mice, we investigated whether there is any interaction between lithium and either calcium channel blockers (CCBs: nifedipine, verapamil, and diltiazem) or N-methyl-D-aspartate (NMDA) receptor antagonists (ketamine and MK-801) in modulating seizure threshold. Acute lithium administration (5-100mg/kg, ip) significantly (P<0.01) increased seizure threshold. CCBs and NMDA receptor antagonists also exerted dose-dependent anticonvulsant effects on PTZ-induced seizures. Noneffective doses of CCBs (5mg/kg, ip), when combined with a noneffective dose of lithium (5mg/kg, ip), exerted significant anticonvulsant effects. Moreover, co-administration of a noneffective dose of either MK-801 (0.05mg/kg, ip) or ketamine (5mg/kg, ip) with a noneffective dose of lithium (5mg/kg, ip) significantly increased seizure threshold. Our findings demonstrate that lithium increases the clonic seizure threshold induced by PTZ in mice and interacts with either CCBs or NMDA receptor antagonists in exerting this effect, suggesting a role for Ca(2+) signaling in the anticonvulsant effects of lithium in the PTZ model of clonic seizures in mice.
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Affiliation(s)
- Mehdi Ghasemi
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran.
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Radiosynthesis of dimethyl-2-[18F]-(fluoromethyl)-6-methyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate for L-type calcium channel imaging. RADIOCHIM ACTA 2009. [DOI: 10.1524/ract.2008.1567] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract
Dimethyl 2-(fluoromethyl)-6-methyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate 4a, a fluorinated nifedipine analog, has been shown to elicit significant calcium channel blocker activity using a guinea pig ileal longitudinal smooth muscle model. In order to perform biological studies for detection of L-type calcium channel distribution, we decided to prepare the [ 18F]-labeled compound. The latter compound was prepared in no-carrier-added (n.c.a.) form from dimethyl 2-(bromomethyl)-6-methyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate 2 in one step at 80 °C in Kryptofix[222]/K[ 18F]F and acetonitrile as a solvent in 15 min. Column chromatography afforded the radiochemically pure compound in 20 min. Radiochemical purity of the 18F-nifedipine was determined by RTLC and HPLC (>98%) and specific activity of 21–48 GBq/μmol (EOB).
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Bazargan L, Shafiee A, Amini M, Dezfouli EB, Azizi E, Ghaffari SM. Synthesis of New 1,4-Dihydropyridine Derivatives Containing Thiazolyl Substituents. PHOSPHORUS SULFUR 2009. [DOI: 10.1080/10426500802239529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Leila Bazargan
- a Institute of Biochemistry and Biophysics, Tehran University , Tehran, Iran
| | - Abbas Shafiee
- b Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center , Tehran University of Medical Sciences , Tehran, Iran
| | - Mohsen Amini
- b Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center , Tehran University of Medical Sciences , Tehran, Iran
| | - Ebrahim Bakhshi Dezfouli
- b Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center , Tehran University of Medical Sciences , Tehran, Iran
| | - Ebrahim Azizi
- c Department of Toxicology and Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences Research Center , Tehran University of Medical Sciences , Tehran, Iran
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β-Enaminonitriles in heterocylic synthesis: Synthesis of new tetrahydropyridinethione, pyridopyrimidines, pyridotriazines and dihydropyridines. J CHEM SCI 2008. [DOI: 10.1007/s12039-008-0057-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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27
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Samzadeh-Kermani A, Shafaroodi H, Miri R, Mirkhani H, Vosooghi M, Shafiee A. Lipophilic 2-(4-chlorophenyl)-4-thiazolyl-1,4-dihydropyridines: synthesis, calcium channel antagonist activity, and protection against pentylenetetrazole-induced seizure. Med Chem Res 2008. [DOI: 10.1007/s00044-008-9112-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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28
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Miri R, Javidnia K, Mirkhani H, Hemmateenejad B, Sepeher Z, Zalpour M, Behzad T, Khoshneviszadeh M, Edraki N, Mehdipour AR. Synthesis, QSAR and Calcium Channel Modulator Activity of New Hexahydroquinoline Derivatives Containing Nitroimidazole. Chem Biol Drug Des 2007; 70:329-36. [DOI: 10.1111/j.1747-0285.2007.00565.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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29
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Hosseini M, Miri R, Amini M, Mirkhani H, Hemmateenejad B, Ghodsi S, Alipour E, Shafiee A. Synthesis, QSAR and Calcium Channel Antagonist Activity of New 1,4-Dihydropyridine Derivatives Containing 1-Methyl-4,5-dichloroimidazolyl Substituents. Arch Pharm (Weinheim) 2007; 340:549-56. [PMID: 17849444 DOI: 10.1002/ardp.200600211] [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] [Indexed: 11/12/2022]
Abstract
A group of dialkyl and diarylester analogues of nifedipine, in which the ortho-nitrophenyl group at position 4 was replaced by a 1-methyl-4,5-dichloroimidazolyl substituent, were synthesized and evaluated as calcium-channel antagonists using the high K(+)concentration of guinea-pig ileum longitudinal smooth muscle. The structure of all compounds was confirmed by IR,(1)H-NMR, and mass spectra. The calcium-channel antagonist activity of compounds 10a-f demonstrated that compound 10b was the most active and 10f the least active one. With unsymmetrical diesters 12a-k, the most active compound was the ethyl, phenethyl derivative. Structural parameters on the calcium-channel antagonist activity were evaluated by QSAR analysis and a linear correlation was found between the -log IC(50) values of these compounds and their constitutional and topological properties.
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Affiliation(s)
- Maryam Hosseini
- Faculty of Chemistry, Islamic Azad University, North Tehran Branch, Tehran, Iran
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30
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Conformational analysis of some new derivatives of 4-nitroimidazolyl-1,4-dihydropyridine-based calcium channel blockers. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.theochem.2004.10.071] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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31
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Suárez M, de Armas M, Ramírez O, Alvarez A, Martínez-Alvarez R, Molero D, Seoane C, Liz R, de Armas HN, Blaton NM, Peeters OM, Martín N. Synthesis and structural study of new highly lipophilic 1,4-dihydropyridines. NEW J CHEM 2005. [DOI: 10.1039/b506018d] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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