51
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Auria-Luna F, Marqués-López E, Herrera RP. Organocatalytic Enantioselective Synthesis of 1,4-Dihydropyridines. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700300] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Fernando Auria-Luna
- Laboratorio de Organocatálisis Asimétrica, Departamento de Química Orgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH); CSIC-Universidad de Zaragoza; C/ Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Eugenia Marqués-López
- Laboratorio de Organocatálisis Asimétrica, Departamento de Química Orgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH); CSIC-Universidad de Zaragoza; C/ Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Raquel P. Herrera
- Laboratorio de Organocatálisis Asimétrica, Departamento de Química Orgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH); CSIC-Universidad de Zaragoza; C/ Pedro Cerbuna 12 50009 Zaragoza Spain
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52
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Ozer EK, Gunduz MG, El-Khouly A, Sara Y, Simsek R, Iskit AB, Safak C. Synthesis of fused 1,4-dihydropyridines as potential calcium channel blockers. TURKISH JOURNAL OF BIOCHEMISTRY 2017. [DOI: 10.1515/tjb-2016-0247] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Objective
The aim of this study was to synthesize ten 1,4-dihydropyridine (DHP) derivatives in which substituted cyclohexane rings were fused to the DHP ring and to determine how different ester groups and the benzoyl substituent introduced in 4-phenyl ring affected their calcium channel blocking activity.
Methods
A microwave-assisted one-pot method was applied for the synthesis of compound 1–5 according to a modified Hantzsch reaction. The benzoyl moiety was introduced in the 4-phenyl ring of these dihydropyridines by refluxing with benzoyl chloride in acetone in the presence of anhydrous potassium carbonate. Synthesized products were characterized by elemental analysis, IR, 1H-NMR and 13C-NMR spectroscopy. The inhibitory actions of compounds 1–10 on calcium channel blocking activity were tested on isolated rat aorta preparations.
Results
The obtained pharmacological results showed that although all compounds are potent relaxing agents on isolated rat aorta smooth muscle, introduction of a benzoyloxy substitiuent on the phenyl ring (compound 6–10) decreased the relaxant effect of these compunds.
Conclusion
The reported 1,4-DHP derivatives have calcium channel blocking activity on rat aorta smooth muscle.
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Affiliation(s)
- Erdem Kamil Ozer
- Department of Pharmacology , Faculty of Medicine, Selcuk University , 42250, Selcuklu , Konya , Turkey , Phone: +90 332 2243839
| | - Miyase Gozde Gunduz
- Department of Pharmaceutical Chemistry , Faculty of Pharmacy , Hacettepe University , 06100, Ankara , Turkey
| | - Ahmed El-Khouly
- Department of Pharmaceutical Chemistry , Faculty of Pharmacy , Hacettepe University , 06100, Ankara , Turkey
| | - Yildirim Sara
- Department of Pharmacology , Faculty of Medicine , Hacettepe University , Ankara , Turkey
| | - Rahime Simsek
- Department of Pharmaceutical Chemistry , Faculty of Pharmacy , Hacettepe University , 06100, Ankara , Turkey
| | - Alper Bektas Iskit
- Department of Pharmacology , Faculty of Medicine , Hacettepe University , Ankara , Turkey
| | - Cihat Safak
- Department of Pharmaceutical Chemistry , Faculty of Pharmacy , Hacettepe University , 06100, Ankara , Turkey
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53
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Auria-Luna F, Marqués-López E, Gimeno MC, Heiran R, Mohammadi S, Herrera RP. Asymmetric Organocatalytic Synthesis of Substituted Chiral 1,4-Dihydropyridine Derivatives. J Org Chem 2017; 82:5516-5523. [DOI: 10.1021/acs.joc.7b00176] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Fernando Auria-Luna
- Laboratorio de Organocatálisis Asimétrica, Departamento
de Química Orgánica, ‡Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna, 12, E-50009, Zaragoza, Spain
| | - Eugenia Marqués-López
- Laboratorio de Organocatálisis Asimétrica, Departamento
de Química Orgánica, ‡Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna, 12, E-50009, Zaragoza, Spain
| | - M. Concepción Gimeno
- Laboratorio de Organocatálisis Asimétrica, Departamento
de Química Orgánica, ‡Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna, 12, E-50009, Zaragoza, Spain
| | - Roghayeh Heiran
- Laboratorio de Organocatálisis Asimétrica, Departamento
de Química Orgánica, ‡Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna, 12, E-50009, Zaragoza, Spain
| | - Somayeh Mohammadi
- Laboratorio de Organocatálisis Asimétrica, Departamento
de Química Orgánica, ‡Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna, 12, E-50009, Zaragoza, Spain
| | - Raquel P. Herrera
- Laboratorio de Organocatálisis Asimétrica, Departamento
de Química Orgánica, ‡Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna, 12, E-50009, Zaragoza, Spain
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54
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Baghery S, Zolfigol MA. 3,6-Dioxaoctamethylenediamminium trifluoromethanesulfonate [3,6-DOMDA]OTf as a novel ionic liquid catalyst for the synthesis of functionalized 1,4-dihydropyridines. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.02.073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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55
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Micucci M, Angeletti A, Cont M, Corazza I, Aldini R, Donadio E, Chiarini A, Budriesi R. Hibiscus Sabdariffa L. Flowers and Olea Europea L. Leaves Extract-Based Formulation for Hypertension Care: In Vitro Efficacy and Toxicological Profile. J Med Food 2017; 19:504-12. [PMID: 27152980 DOI: 10.1089/jmf.2015.0072] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Olea europaea L. leaves extract (Oe) and Hybiscus sabdariffa L. flowers extract (Hs) have calcium antagonistic properties. Aim of this work was to study the cardiovascular effects of Pres Phytum(®), a nutraceutical formulation containing a mixture of the two extracts and the excipients, and investigate its possible off-target effects, using in vitro biological assays on guinea pig isolated organs. Cardiovascular effects were assessed using guinea pig atria and aorta. The effects of Pres Phytum on spontaneous gastrointestinal, urinary, and respiratory tracts smooth muscle contractility were evaluated. Pres Phytum exerted a vasorelaxant effect (IC50 = 2.38 mg/mL) and a negative chronotropic effect (IC50 = 1.04 mg/mL) at concentrations lower than those producing smooth muscle spontaneous contractility alterations in the other organs. Compared to Pres Phytum, the mixture did not exert negative inotropic activity, while it maintained a negative chronotropic efficacy (IC50 = 1.04 mg/mL). These experimental data suggest a possible nutraceutical use of this food supplement for the management of preclinical hypertension.
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Affiliation(s)
- Matteo Micucci
- 1 Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna , Bologna, Italy
| | - Andrea Angeletti
- 2 Department of Specialistic, Experimental, Diagnostic and Specialty Medicine (DIMES), Section of Nephrology, Alma Mater Studiorum-University of Bologna , S. Orsola Hospital, Bologna, Italy
| | - Massimiliano Cont
- 3 National Institute of Biostructure and Biosystems (INBB), Interuniversity Consortium , Rome, Italy
| | - Ivan Corazza
- 4 Department of Specialistic, Experimental, Diagnostic and Specialty Medicine (DIMES), Centro di Coordinamento dell'attività fisico-medica, Alma Mater Studiorum-University of Bologna , S. Orsola Hospital, Bologna, Italy
| | - Rita Aldini
- 1 Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna , Bologna, Italy
| | - Elisa Donadio
- 1 Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna , Bologna, Italy
| | - Alberto Chiarini
- 1 Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna , Bologna, Italy
| | - Roberta Budriesi
- 1 Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna , Bologna, Italy
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56
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Vazirimehr S, Davoodnia A, Nakhaei-Moghaddam M, Tavakoli-Hoseini N. Ultrasonic synthesis, characterization, and antibacterial evaluation of novel heterocycles containing hexahydroquinoline and pyrrole moieties. HETEROCYCL COMMUN 2017. [DOI: 10.1515/hc-2016-0164] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractCondensation reaction of dimedone with 2-amino-1-methyl-4,5-diphenyl-1
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57
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Hakimi AM, Lashgari N, Mahernia S, Ziarani GM, Amanlou M. Facile one-pot four-component synthesis of 3,4-dihydro-2-pyridone derivatives: novel urease inhibitor scaffold. Res Pharm Sci 2017; 12:353-363. [PMID: 28974973 PMCID: PMC5615865 DOI: 10.4103/1735-5362.213980] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
In the current study, a series of 3,4-dihydro-2-pyridone derivatives were synthesized in a one-pot fourcomponent reaction of Meldrum's acid, benzaldehyde derivatives, methyl acetoacetate, and ammonium acetate. SiO2-Pr-SO3H was used as an efficient catalyst for the synthesis of the target compounds under solvent-free conditions. The most probable mechanism for this reaction has been discussed. The advantages of this methodology are high product yields, being environmentally benign, short reaction times, and easy handling. Eight 2-pyridinone derivatives were evaluated for their inhibitory activities against Jack bean urease. Molecular docking study of the synthesized compounds was also evaluated. All compounds showed good activities against urease and among them, 4-(4-nitrophenyl)-5-methoxycarbonyl-6-methyl-3,4-dihydropyridone (5a) showed the most potent activity (IC50 = 29.12 µM), more potent than hydroxyurea as the reference drug (IC50 = 100.0 µM). Also, the results from docking studies were in good agreement with those obtained with in vitro assay. According to the docking studies methionine (Met) 637 and nitro phenyl ring cause n-π interaction between lone pair of sulfur atom and π aromatic ring. Moreover, hydrophobic interactions existed between compound 5a and alanine (ALA) 636, ALA 440, and isoleucine 411. The results indicated that the inhibitory activities increased with the increase of electron withdrawing ability of the groups despite a less important role of lipophilicity in increasing the inhibitory activity.
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Affiliation(s)
- Arash Modarres Hakimi
- Drug Design & Development Research Centre and Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, I.R. Iran
| | - Negar Lashgari
- School of Chemistry, College of Science, University of Tehran, Tehran, I.R. Iran
| | - Shabnam Mahernia
- Drug Design & Development Research Centre and Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, I.R. Iran
| | | | - Massoud Amanlou
- Drug Design & Development Research Centre and Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, I.R. Iran
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58
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Wu H, Wang Z, Tao L. The Hantzsch reaction in polymer chemistry: synthesis and tentative application. Polym Chem 2017. [DOI: 10.1039/c7py01718a] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The recent utilization of the tetra-component Hantzsch reaction in polymer chemistry has been summarized.
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Affiliation(s)
- Haibo Wu
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- P. R. China
| | - Zhiming Wang
- College of Pharmaceutical Science
- Zhejiang Chinese Medical University
- Hangzhou
- People's Republic of China
| | - Lei Tao
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- P. R. China
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59
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Gündüz MG, da Silva CDB, Zanotto GM, Toldo JM, Şimşek R, Şafak C, Gonçalves PFB, Rodembusch FS. Theoretical and experimental study of the ground and excited states of 1,4-dihydropyridine based hexahydroquinoline derivatives achieved by microwave irradiation. NEW J CHEM 2017. [DOI: 10.1039/c7nj02226c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The photophysical study indicates ICT state for 1,4-dihydropyridine based hexahydroquinoline derivatives.
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Affiliation(s)
- Miyase Gözde Gündüz
- Hacettepe Univesity
- Faculty of Pharmacy
- Dept. of Pharmaceutical Chemistry
- 06100 Ankara
- Turkey
| | - Claudia de Brito da Silva
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada
- Universidade Federal do Rio Grande do Sul – Instituto de Química
- CEP 91501-970 Porto Alegre-RS
- Brazil
| | - Gabriel Modernell Zanotto
- Grupo de Química Teórica
- Instituto de Química
- Universidade Federal do Rio Grande do Sul
- Porto Alegre-RS
- Brazil
| | - Josene Maria Toldo
- Grupo de Química Teórica
- Instituto de Química
- Universidade Federal do Rio Grande do Sul
- Porto Alegre-RS
- Brazil
| | - Rahime Şimşek
- Hacettepe Univesity
- Faculty of Pharmacy
- Dept. of Pharmaceutical Chemistry
- 06100 Ankara
- Turkey
| | - Cihat Şafak
- Hacettepe Univesity
- Faculty of Pharmacy
- Dept. of Pharmaceutical Chemistry
- 06100 Ankara
- Turkey
| | | | - Fabiano Severo Rodembusch
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada
- Universidade Federal do Rio Grande do Sul – Instituto de Química
- CEP 91501-970 Porto Alegre-RS
- Brazil
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60
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Zhang Z, Zeng JC, Yu F, M. Asiri A, M. Marwani H. AlCl3-Promoted Cyclization of β-Keto Derivatives with in situ Generated Enamines under Solvent-Free High Speed Ball Milling: An Efficient One-Pot Access to Polysubstituted 1,4-Dihydropyridines. HETEROCYCLES 2017. [DOI: 10.3987/com-17-13801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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61
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Torres SY, Brieva R, Rebolledo F. Chemoenzymatic synthesis of optically active phenolic 3,4-dihydropyridin-2-ones: a way to access enantioenriched 1,4-dihydropyridine and benzodiazepine derivatives. Org Biomol Chem 2017; 15:5171-5181. [DOI: 10.1039/c7ob01066d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Kinetic resolution of 3,4-DHP-2-ones with Candida rugose lipase (CRL) has been possible due to the presence of a reactive phenolic ester in a remote position.
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Affiliation(s)
- Susana Y. Torres
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Biotecnología de Asturias
- Universidad de Oviedo
- 33006-Oviedo
- Spain
- Laboratorio de Síntesis Orgánica
| | - Rosario Brieva
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Biotecnología de Asturias
- Universidad de Oviedo
- 33006-Oviedo
- Spain
| | - Francisca Rebolledo
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Biotecnología de Asturias
- Universidad de Oviedo
- 33006-Oviedo
- Spain
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62
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Dekamin MG, Kazemi E, Karimi Z, Mohammadalipoor M, Naimi-Jamal MR. Chitosan: An efficient biomacromolecule support for synergic catalyzing of Hantzsch esters by CuSO 4. Int J Biol Macromol 2016; 93:767-774. [DOI: 10.1016/j.ijbiomac.2016.09.012] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 09/01/2016] [Accepted: 09/04/2016] [Indexed: 01/24/2023]
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63
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Ionic liquids, metal oxide nanoparticles, and enzymes in synthesis of 1,4-dihydropyridines (microreview). Chem Heterocycl Compd (N Y) 2016. [DOI: 10.1007/s10593-016-1926-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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64
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Davoodnia A, Nakhaei A. Fast and Solvent-Free Synthesis of Polyhydroquinolines Catalyzed by a Keplerate Type Giant Nanoporous Isopolyoxomolybdate as a Reusable Catalyst. ACTA ACUST UNITED AC 2016. [DOI: 10.1080/15533174.2015.1004419] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Abolghasem Davoodnia
- Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, I. R. Iran
| | - Ahmad Nakhaei
- Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, I. R. Iran
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65
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Velena A, Zarkovic N, Gall Troselj K, Bisenieks E, Krauze A, Poikans J, Duburs G. 1,4-Dihydropyridine Derivatives: Dihydronicotinamide Analogues-Model Compounds Targeting Oxidative Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:1892412. [PMID: 26881016 PMCID: PMC4736762 DOI: 10.1155/2016/1892412] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 10/07/2015] [Indexed: 02/06/2023]
Abstract
Many 1,4-dihydropyridines (DHPs) possess redox properties. In this review DHPs are surveyed as protectors against oxidative stress (OS) and related disorders, considering the DHPs as specific group of potential antioxidants with bioprotective capacities. They have several peculiarities related to antioxidant activity (AOA). Several commercially available calcium antagonist, 1,4-DHP drugs, their metabolites, and calcium agonists were shown to express AOA. Synthesis, hydrogen donor properties, AOA, and methods and approaches used to reveal biological activities of various groups of 1,4-DHPs are presented. Examples of DHPs antioxidant activities and protective effects of DHPs against OS induced damage in low density lipoproteins (LDL), mitochondria, microsomes, isolated cells, and cell cultures are highlighted. Comparison of the AOA of different DHPs and other antioxidants is also given. According to the data presented, the DHPs might be considered as bellwether among synthetic compounds targeting OS and potential pharmacological model compounds targeting oxidative stress important for medicinal chemistry.
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Affiliation(s)
- Astrida Velena
- Laboratory of Membrane Active Compounds and Beta-Diketones, Latvian Institute of Organic Synthesis, Riga LV-1006, Latvia
| | - Neven Zarkovic
- Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
| | | | - Egils Bisenieks
- Laboratory of Membrane Active Compounds and Beta-Diketones, Latvian Institute of Organic Synthesis, Riga LV-1006, Latvia
| | - Aivars Krauze
- Laboratory of Membrane Active Compounds and Beta-Diketones, Latvian Institute of Organic Synthesis, Riga LV-1006, Latvia
| | - Janis Poikans
- Laboratory of Membrane Active Compounds and Beta-Diketones, Latvian Institute of Organic Synthesis, Riga LV-1006, Latvia
| | - Gunars Duburs
- Laboratory of Membrane Active Compounds and Beta-Diketones, Latvian Institute of Organic Synthesis, Riga LV-1006, Latvia
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66
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Valente S, Mellini P, Spallotta F, Carafa V, Nebbioso A, Polletta L, Carnevale I, Saladini S, Trisciuoglio D, Gabellini C, Tardugno M, Zwergel C, Cencioni C, Atlante S, Moniot S, Steegborn C, Budriesi R, Tafani M, Del Bufalo D, Altucci L, Gaetano C, Mai A. 1,4-Dihydropyridines Active on the SIRT1/AMPK Pathway Ameliorate Skin Repair and Mitochondrial Function and Exhibit Inhibition of Proliferation in Cancer Cells. J Med Chem 2016; 59:1471-91. [DOI: 10.1021/acs.jmedchem.5b01117] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Sergio Valente
- Department
of Drug Chemistry and Technologies, Sapienza University of Rome, P.
le A. Moro 5, 00185 Rome, Italy
| | - Paolo Mellini
- Department
of Drug Chemistry and Technologies, Sapienza University of Rome, P.
le A. Moro 5, 00185 Rome, Italy
| | - Francesco Spallotta
- Division
of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
| | - Vincenzo Carafa
- Department
of Biochemistry, Biophysics and General Pathology, Second University of Naples, Vico L. De Crecchio 7, 80138 Naples, Italy
| | - Angela Nebbioso
- Department
of Biochemistry, Biophysics and General Pathology, Second University of Naples, Vico L. De Crecchio 7, 80138 Naples, Italy
| | - Lucia Polletta
- Department
of Experimental Medicine, Sapienza University of Rome, Viale Regina
Elena 324, 00161 Rome, Italy
| | - Ilaria Carnevale
- Department
of Experimental Medicine, Sapienza University of Rome, Viale Regina
Elena 324, 00161 Rome, Italy
| | - Serena Saladini
- Department
of Experimental Medicine, Sapienza University of Rome, Viale Regina
Elena 324, 00161 Rome, Italy
| | - Daniela Trisciuoglio
- Regina Elena National Cancer Institute, Via Elio Chianesi, 53, 00144 Rome, Italy
| | - Chiara Gabellini
- Regina Elena National Cancer Institute, Via Elio Chianesi, 53, 00144 Rome, Italy
| | - Maria Tardugno
- Department
of Drug Chemistry and Technologies, Sapienza University of Rome, P.
le A. Moro 5, 00185 Rome, Italy
| | - Clemens Zwergel
- Department
of Drug Chemistry and Technologies, Sapienza University of Rome, P.
le A. Moro 5, 00185 Rome, Italy
| | - Chiara Cencioni
- Division
of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
| | - Sandra Atlante
- Division
of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
| | - Sébastien Moniot
- Department
of Biochemistry, University of Bayreuth; 95447 Bayreuth, Germany
| | - Clemens Steegborn
- Department
of Biochemistry, University of Bayreuth; 95447 Bayreuth, Germany
| | - Roberta Budriesi
- Department
of Pharmacy and Biotechnology, University of Bologna, Via Zamboni
33, 40126 Bologna, Italy
| | - Marco Tafani
- Department
of Experimental Medicine, Sapienza University of Rome, Viale Regina
Elena 324, 00161 Rome, Italy
| | - Donatella Del Bufalo
- Regina Elena National Cancer Institute, Via Elio Chianesi, 53, 00144 Rome, Italy
| | - Lucia Altucci
- Department
of Biochemistry, Biophysics and General Pathology, Second University of Naples, Vico L. De Crecchio 7, 80138 Naples, Italy
- Institute of Genetics and Biophysics, IGB, Adriano Buzzati Traverso, Via P. Castellino 111, 80131 Naples, Italy
| | - Carlo Gaetano
- Division
of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
| | - Antonello Mai
- Department
of Drug Chemistry and Technologies, Sapienza University of Rome, P.
le A. Moro 5, 00185 Rome, Italy
- Pasteur
Institute, Cenci-Bolognetti Foundation, Sapienza University of Rome, P. le A. Moro 5, 00185 Rome, Italy
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67
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Li M, Sun KN, Wen LR. Acid-promoted rapid solvent-free access to substituted 1,4-dihydropyridines from β-ketothioamides. RSC Adv 2016. [DOI: 10.1039/c5ra26931h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
1,4-Dihydropyridines were synthesized via a tandem reaction of β-ketothioamides with aldehydes and β-enaminonitriles by AcOH as a promoter within 5 min.
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Affiliation(s)
- Ming Li
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Ke-Na Sun
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
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68
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Mishra A, Srivastava M, Rai P, Yadav S, Tripathi BP, Singh J, Singh J. Visible light triggered, catalyst free approach for the synthesis of thiazoles and imidazo[2,1-b]thiazoles in EtOH : H2O green medium. RSC Adv 2016. [DOI: 10.1039/c6ra05385h] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
A catalyst free visible light assisted synthesis of thiazoles and imidazo[2,1-b]thiazoles in EtOH : H2O green medium.
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Affiliation(s)
- Anu Mishra
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Madhulika Srivastava
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Pratibha Rai
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Snehlata Yadav
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Bhartendu Pati Tripathi
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Jaya Singh
- Department of Chemistry
- LRPG College
- Sahibabad
- India
| | - Jagdamba Singh
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
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69
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Direct Aminolysis of Ethoxycarbonylmethyl 1,4-Dihydropyridine-3-carboxylates. Molecules 2015; 20:20341-54. [PMID: 26569215 PMCID: PMC6332025 DOI: 10.3390/molecules201119697] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 10/22/2015] [Accepted: 10/27/2015] [Indexed: 11/17/2022] Open
Abstract
The ethoxycarbonylmethyl esters of 1,4-dihydropyridines were directly converted into carbamoylmethyl esters in the presence of 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) in good to excellent yields under mild conditions. The use of TBD is crucial for the successful aminolysis of ethoxycarbonylmethyl ester of 1,4-dihydropyridines with secondary amines as without it the reaction does not proceed at all. The aminolysis reaction proceeded regioselectively, as the alkyl ester conjugated with the 1,4-dihydropyridine cycle was not involved in the reaction. Screening of other N-containing bases, such as triethylamine (TEA), pyridine, 4-(N,N-dimethylamino)pyridine (DMAP), 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), 1,5-diazabicyclo[4.3.0]non-5-ene (DBN), imidazole, tetramethyl guanidine (TMG) and 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene (MTBD) as catalysts revealed no activity in the studied reaction.
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70
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Wei Q, Yan G, Li Q. Characterization of 1,4-Dihydropyridine Derivatives by Electrospray Ionization Ion-Trap Time-of-Flight Tandem Mass Spectrometry. B KOREAN CHEM SOC 2015. [DOI: 10.1002/bkcs.10488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Qiang Wei
- College of Pharmacy; Anhui Xinhua University; Hefei 230088 China
| | - Guoquan Yan
- Institutes of Biomedical Sciences; Fudan University; Shanghai 200032 China
| | - Qianrong Li
- University of Science and Technology of China; Hefei 230026 China
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71
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An organocatalytic multi-molecular cascade reaction for the synthesis of acetate functionalized 1,4-dihydropyridines. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.06.101] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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72
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De Crescentini L, Attanasi OA, Campisi LA, Favi G, Lillini S, Ursini F, Mantellini F. Double Michael addition/aza-cyclization: a valuable sequence for the construction of symmetrical and unsymmetrical spirobarbiturate-pyridines. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.04.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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73
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Armstrong DR, Harris CMM, Kennedy AR, Liggat JJ, McLellan R, Mulvey RE, Urquhart MDT, Robertson SD. Developing Lithium Chemistry of 1,2-Dihydropyridines: From Kinetic Intermediates to Isolable Characterized Compounds. Chemistry 2015; 21:14410-20. [DOI: 10.1002/chem.201501880] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Indexed: 11/06/2022]
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74
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Cardiac and Vascular Synergic Protective Effect of Olea europea L. Leaves and Hibiscus sabdariffa L. Flower Extracts. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:318125. [PMID: 26180582 PMCID: PMC4477181 DOI: 10.1155/2015/318125] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 12/11/2014] [Accepted: 12/12/2014] [Indexed: 01/06/2023]
Abstract
This study was aimed at investigating the cardiovascular effects of an Olea europea L. leaf extract (OEE), of a Hibiscus sabdariffa L. flower extract (HSE), and of their 13 : 2 w/w mixture in order to assess their cardiac and vascular activity. Both extracts were fully characterized in their bioactive compounds by HPLC-MS/MS analysis. The study was performed using primary vascular endothelial cells (HUVECs) to investigate the antioxidant and cytoprotective effect of the extracts and their mixture and isolated guinea-pig left and right atria and aorta to evaluate the inotropic and chronotropic activities and vasorelaxant properties. In cultured HUVECs, OEE and HSE reduced intracellular reactive oxygen species formation and improved cell viability, following oxidative stress in dose-dependent manner. OEE and HSE exerted negative inotropic and vasorelaxant effects without any chronotropic property. Interestingly, the mixture exerted higher cytoprotective effects and antioxidant activities. Moreover, the mixture exerted an inotropic effect similar to each single extract, while it revealed an intrinsic negative chronotropic activity different from the single extract; its relaxant activity was higher than that of each single extract. In conclusion OEE and HSE mixture has a good potential for pharmaceutical and nutraceutical application, thanks to the synergistic effects of the single phytochemicals.
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75
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Torres SY, Verdecia Y, Rebolledo F. Chemoenzymatic approach to optically active 1,4-dihydropyridine derivatives. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.04.047] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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76
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Cao S, Zhong S, Hu C, Wan JP, Wen C. An Environmentally Benign Catalytic Method for Versatile Synthesis of 1,4-Dihydropyridines via Multicomponent Reactions. CHINESE J CHEM 2015. [DOI: 10.1002/cjoc.201500195] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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77
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Lapidot I, Albeck A, Gellerman G, Shatzmiller S, Grynszpan F. 1,4-Dihydropyridine Cationic Peptidomimetics with Antibacterial Activity. Int J Pept Res Ther 2015. [DOI: 10.1007/s10989-015-9460-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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78
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Cao S, Xin L, Liu Y, Wan JP, Wen C. Regioselective three-component reactions of enaminones, 2-aminopyridines and enals for the synthesis of 1,2-dihydropyridines. RSC Adv 2015. [DOI: 10.1039/c5ra01901j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel regioselective, metal-free and broadly applicable three-component approach for the synthesis of 1,2-dihydropyridines has been established.
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Affiliation(s)
- Shuo Cao
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- and College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Luoting Xin
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- and College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Yunyun Liu
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- and College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Jie-Ping Wan
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- and College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Chengping Wen
- College of Basic Medical Sciences
- Zhejiang Chinese Medical University
- Hangzhou
- P R China
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79
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Asahara H, Hamada M, Nakaike Y, Nishiwaki N. Construction of 3,5-dinitrated 1,4-dihydropyridines modifiable at 1,4-positions by a reaction of β-formyl-β-nitroenamines with aldehydes. RSC Adv 2015. [DOI: 10.1039/c5ra19439c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel and efficient method for the synthesis of 4-substituted 3,5-dinitro-1,4-dihydropyridines by a reaction of β-formyl-β-nitroenamines with aldehydes was developed.
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Affiliation(s)
- Haruyasu Asahara
- School of Environmental Science and Engineering
- Kochi University of Technology
- Kami
- Japan
- Research Center for Material Science and Engineering
| | - Mai Hamada
- School of Environmental Science and Engineering
- Kochi University of Technology
- Kami
- Japan
| | - Yumi Nakaike
- School of Environmental Science and Engineering
- Kochi University of Technology
- Kami
- Japan
| | - Nagatoshi Nishiwaki
- School of Environmental Science and Engineering
- Kochi University of Technology
- Kami
- Japan
- Research Center for Material Science and Engineering
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80
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A. Attanasi O, A. Campisi L, De Crescentini L, Favi G, Mantellini F. Synthesis of novel symmetrical 2-oxo-spiro[indole-3,4′-pyridines] by a reaction of oxindoles with 1,2-diaza-1,3-dienes. Org Biomol Chem 2015; 13:277-82. [DOI: 10.1039/c4ob01959h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Synthesis of symmetrical 2-oxo-spiro[indole-3,4′-pyridines]: a novel example of spirocyclic oxindoles bearing a quaternary centre at the 3-position.
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Affiliation(s)
- Orazio A. Attanasi
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo”
- 61029 Urbino (PU)
- Italy
| | - Linda A. Campisi
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo”
- 61029 Urbino (PU)
- Italy
| | - Lucia De Crescentini
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo”
- 61029 Urbino (PU)
- Italy
| | - Gianfranco Favi
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo”
- 61029 Urbino (PU)
- Italy
| | - Fabio Mantellini
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo”
- 61029 Urbino (PU)
- Italy
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81
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Shekari F, Sadeghpour H, Javidnia K, Saso L, Nazari F, Firuzi O, Miri R. Cytotoxic and multidrug resistance reversal activities of novel 1,4-dihydropyridines against human cancer cells. Eur J Pharmacol 2015; 746:233-44. [DOI: 10.1016/j.ejphar.2014.10.058] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 10/26/2014] [Accepted: 10/27/2014] [Indexed: 10/24/2022]
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82
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Synthesis and Evaluation of Reducing Capacity and Calcium Channel Blocking Activity of Novel 3,5-Dipropargylcarbonyl-Substituted 1,4-Dihydropyridines*. Chem Heterocycl Compd (N Y) 2014. [DOI: 10.1007/s10593-014-1607-z] [Citation(s) in RCA: 6] [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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83
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Wan JP, Lin Y, Jing Y, Xu M, Liu Y. Selectivity tunable divergent synthesis of 1,4- and 1,2-dihydropyridines via three-component reactions. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.09.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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84
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Santos VG, Godoi MN, Regiani T, Gama FHS, Coelho MB, de Souza ROMA, Eberlin MN, Garden SJ. The Multicomponent Hantzsch Reaction: Comprehensive Mass Spectrometry Monitoring Using Charge-Tagged Reagents. Chemistry 2014; 20:12808-16. [DOI: 10.1002/chem.201303065] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Revised: 07/03/2014] [Indexed: 12/24/2022]
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85
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Micucci M, Ioan P, Aldini R, Cevenini M, Alvisi V, Ruffilli C, Chiarini A, Budriesi R. Castanea sativa Mill. extract contracts gallbladder and relaxes sphincter of Oddi in guinea pig: a natural approach to biliary tract motility disorders. J Med Food 2014; 17:795-803. [PMID: 24654975 DOI: 10.1089/jmf.2013.0090] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Impaired gallbladder motility is a contributing factor to gallstone formation. Since many drugs delaying intestinal motility inhibit gallbladder emptying, the aim of the present study was to evaluate the effect on gallbladder and sphincter of Oddi motility of a Natural Chestnut Wood Extract (NEC) that reduces intestinal motility. In order to evaluate the effect of the extract in normal- and high-risk gallstone conditions, the investigation was performed using tissues from animals fed normal and lithogenic diet. Fifty guinea pigs were administered either control or lithogenic diet. The spontaneous motility of the gallbladder and sphincter of Oddi were recorded on isolated gallbladder tissues; thereafter, the effect of NEC on motility was tested and compared with carbachol (CCh), potassium chloride (KCl), noradrenaline (NA), and A71623. Compared to controls, the lithogenic diet induced an irregular and disordered motor pattern in both the gallbladder and sphincter of Oddi. NEC increased gallbladder and decreased sphincter of Oddi spontaneous motility independently of cholinergic, adrenergic, and CCK-1 receptor-mediated pathways both in controls and in lithogenic diet-fed animals, although the effect was lower in the latter group. The effect was reversible and mediated by calcium channels. The natural extract of chestnut increasing gallbladder contraction and inducing the relaxation of the sphincter of Oddi can be of benefit in pathological conditions associated with increased transit time at risk of gallstones.
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Affiliation(s)
- Matteo Micucci
- 1 Dipartimento di Farmacia e Biotecnologie, Università di Bologna , Bologna, Italy
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86
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Wan J, Zhou Y, Liu Y, Fang Z, Wen C. Multicomponent Reactions for Diverse Synthesis ofN-Substituted and NH 1,4-Dihydropyridines. CHINESE J CHEM 2014. [DOI: 10.1002/cjoc.201300918] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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87
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Nakaike Y, Nishiwaki N, Ariga M, Tobe Y. Synthesis of 4-Substituted 3,5-Dinitro-1,4-dihydropyridines by the Self-Condensation of β-Formyl-β-nitroenamine. J Org Chem 2014; 79:2163-9. [DOI: 10.1021/jo5000187] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yumi Nakaike
- Division
of Frontier Materials Science, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Nagatoshi Nishiwaki
- School
of Environmental Science and Engineering, Kochi University of Technology, Tosayamada, Kami, Kochi 782-8502, Japan
| | - Masahiro Ariga
- Department
of Chemistry, Osaka Kyoiku University, 4-698-1 Asahigaoka, Kashiwara, Osaka, 582-8582, Japan
| | - Yoshito Tobe
- Division
of Frontier Materials Science, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
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88
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Inokuchi T, Shaban E, Imran Hossain M, Wu MY, Takemasa Y, Nagae S, Peng W, Kawafuchi H. Microwave-Irradiated Synthesis of 1,2-Dihydropyridines from N-Functionalized Enaminones and Enals through Domino Condensation and 6π-Azaelectrocyclization. HETEROCYCLES 2014. [DOI: 10.3987/com-13-12844] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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89
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Breitwieser GE. Pharmacoperones and the calcium sensing receptor: exogenous and endogenous regulators. Pharmacol Res 2013; 83:30-7. [PMID: 24291533 DOI: 10.1016/j.phrs.2013.11.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 11/15/2013] [Accepted: 11/18/2013] [Indexed: 01/05/2023]
Abstract
Calcium sensing receptor (CaSR) mutations or altered expression cause disorders of calcium handling. Recent studies suggest that reduced targeting to the plasma membrane is a feature common to many CaSR loss-of-function mutations. Allosteric agonists (calcimimetics) can rescue signaling of a subset of CaSR mutants. This review evaluates our current understanding of the subcellular site(s) for allosteric modulator rescue of CaSR mutants. Studies to date make a strong case for calcimimetic potentiation of signaling not only at plasma membrane-localized CaSR, but at the endoplasmic reticulum, acting as pharmacoperones to assist in navigation of multiple quality control checkpoints. The possible role of endogenous pharmacoperones, calcium and glutathione, in folding and stabilization of the CaSR extracellular and transmembrane domains are considered. Finally, the possibility that dihydropyridines act as unintended pharmacoperones of CaSR is proposed. While our understanding of pharmacoperone rescue of CaSR requires refinement, promising results to date argue that this may be a fruitful avenue for drug discovery.
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Affiliation(s)
- Gerda E Breitwieser
- Weis Center for Research, Geisinger Clinic, 100N. Academy Avenue, Danville PA 17822-2604, USA.
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90
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DAVOODNIA A, KHASHI M, TAVAKOLI-HOSEINI N. Tetrabutylammonium hexatungstate [TBA]2[W6O19]: Novel and reusable heterogeneous catalyst for rapid solvent-free synthesis of polyhydroquinoline via unsymmetrical Hantzsch reaction. CHINESE JOURNAL OF CATALYSIS 2013. [DOI: 10.1016/s1872-2067(12)60547-6] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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91
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Locatelli A, Cosconati S, Micucci M, Leoni A, Marinelli L, Bedini A, Ioan P, Spampinato SM, Novellino E, Chiarini A, Budriesi R. Ligand based approach to L-type calcium channel by imidazo[2,1-b]thiazole-1,4-dihydropyridines: from heart activity to brain affinity. J Med Chem 2013; 56:3866-77. [PMID: 23586669 DOI: 10.1021/jm301839q] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The synthesis, characterization, and functional in vitro assay in cardiac and smooth muscle (vascular and nonvascular) of a series of 4-imidazo[2,1-b]thiazole-1,4-dihydropyridines are reported. To define the calcium blocker nature of the imidazo[2,1-b]thiazole-1,4-DHPs and their selectivity on Cav1.2 and Cav1.3 isoforms, we performed binding studies on guinea pig atrial and ventricular membranes on intact cells expressing the cloned Cav1.2a subunit and on rat brain cortex. To get major insights into the reasons for the affinity for Cav1.2 and/or Cav1.3, molecular modeling studies were also undertaken. Some physicochemical and pharmacokinetic properties of selected compounds were calculated and compared. All the biological data collected and reported herein allowed us to rationalize the structure-activity relationship of the 4-imidazo[2,1-b]thiazole-1,4-DHPs and to identify which of these enhanced the activity at the central level.
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Affiliation(s)
- Alessandra Locatelli
- Dipartimento di Farmacia e Biotecnologie, Università degli Studi di Bologna, Via Belmeloro 6, 40126 Bologna, Italy
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