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Multicomponent Synthesis of Unsymmetrical Derivatives of 4-Methyl-Substituted 5-Nitropyridines. Processes (Basel) 2023. [DOI: 10.3390/pr11020576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
The multicomponent reaction of 2-nitroacetophenone (or nitroacetone), acetaldehyde diethyl acetal, β-dicarbonyl compound, and ammonium acetate in an acetic acid solution allowed the acquisition of previously undescribed 4-methyl-substituted derivatives of 5-nitro-1,4-dihydropyridine in satisfactory yields. The oxidation of the obtained 5-nitro-1,4-dihydropyridine derivatives resulted in the corresponding 2,4-dimethyl-5-nitropyridines. In addition, for the first time in the synthesis of unsymmetrical 1,4-dihydropyridines by the Hantzsch reaction acetaldehyde, diethyl acetal was used as a source of acetaldehyde. The use of more volatile and sufficiently reactive acetaldehyde in this reaction did not lead to a controlled synthesis of unsymmetrical 5-nitro-1,4-dihydropyridines. The proposed multicomponent approach to the synthesis of 4-methyl-substituted 5-nitro-1,4-dihydropyridines and their subsequent aromatization into pyridines made it possible to obtain previously undescribed and hardly accessible substituted 5(3)-nitropyridines.
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Stalinskaya AL, Martynenko NV, Alkhimova LE, Dilbaryan DS, Vasilchenko AS, Dengis NA, Vlasenko VS, Kulakov IV. Synthesis and bacteriostatic properties of epoxybenzooxocino[4,3-b]pyridine derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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Kulakov IV, Oleshchuk AL, Koveza VA, Palamarchuk IV. Multicomponent synthesis of 4-unsubstituted 5-nitropyridine derivatives. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1780261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Ivan V. Kulakov
- Institute of Chemistry, Tyumen State University, Tyumen, Russia
| | - Alena L. Oleshchuk
- Institute of Chemistry, Tyumen State University, Tyumen, Russia
- Faculty of Chemistry, Omsk F. M. Dostoevsky State University, Omsk, Russia
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Saha M, Das AR. Nanocrystalline ZnO: A Competent and Reusable Catalyst for the Preparation of Pharmacology Relevant Heterocycles in the Aqueous Medium. CURRENT GREEN CHEMISTRY 2020. [DOI: 10.2174/2213346107666200218122718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
:Nanoparticle catalyzed synthesis is a green and convenient method to achieve most of the chemical transformations in water or other green solvents. Nanoparticle ensures an easy isolation process of catalyst as well as products from the reaction mixture avoiding the hectic work up procedure. Zinc oxide is a biocompatible, environmentally benign and economically viable nanocatalyst with effectivity comparable to the other metal nanocatalyst employed in several reaction strategies. This review mainly focuses on the recent applications of zinc oxide in the synthesis of biologically important heterocyclic molecules under sustainable reaction conditions.:Application of zinc oxide in organic synthesis: Considering the achievable advantages of this nanocatalyst, presently several research groups are paying attention in anchoring zincoxide or its modified structure in several types of organic conversions e.g. multicomponent reactions, ligand-free coupling reactions, cycloaddition reaction, etc. The advantages and limitations of this nanocatalyst are also demonstrated. The present study aims to highlight the recent multifaceted applications of ZnO towards the synthesis of diverse heterocyclic motifs. Being a promising biocompatible nanoparticle, this catalyst has an important contribution in the fields of synthetic chemistry and medicinal chemistry.
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Affiliation(s)
- Moumita Saha
- Department of Chemistry, University of Calcutta, Kolkata-700009, India
| | - Asish R. Das
- Department of Chemistry, University of Calcutta, Kolkata-700009, India
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Yan L, Dai YX, Gu GL, Pan MB, Wu SC, Cao Y, Huang WL. Design, synthesis, and biological evaluation of novel nitric oxide releasing dehydroandrographolide derivatives. Chin J Nat Med 2018; 16:782-790. [PMID: 30322612 DOI: 10.1016/s1875-5364(18)30118-3] [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: 05/21/2018] [Indexed: 11/24/2022]
Abstract
A series of new hybrids of dehydroandrographolide (TAD), a biologically active natural product, bearing nitric oxide (NO)-releasing moieties were synthesized and designated as NO-donor dehydroandrographolide. The biological activities of target compounds were studied in human erythroleukemia K562 cells and breast cancer MCF-7 cells. Biological evaluation indicated that the most active compound I-5 produced high levels of NO and inhibited the proliferation of K562 (IC50 1.55 μmol·L-1) and MCF-7 (IC50 2.91 μmol·L-1) cells, which were more potent than the lead compound TAD and attenuated by an NO scavenger. In conclusion, I-5 is a novel hybrid with potent antitumor activity and may become a promising candidate for future intensive study.
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Affiliation(s)
- Lin Yan
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Yu-Xuan Dai
- State Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Guo-Long Gu
- School of Pharmacy, Yancheng Teachers University, Yancheng 224007, China
| | - Miao-Bo Pan
- State Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Shuai-Cong Wu
- State Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China
| | - Yu Cao
- Department of Dermatology, First Affiliated Hospital of Guizhou Medical University, Guiyang 550025, China.
| | - Wen-Long Huang
- State Key Laboratory of Natural Medicines, Center of Drug Discovery, China Pharmaceutical University, Nanjing 210009, China; Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, China Pharmaceutical University, Nanjing 210009, China.
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Maleki B, Mofrad AV, Tayebee R, Khojastehnezhad A, Alinezhad H, Rezaei Seresht E. One-Pot Synthesis of 1,4-Dihydropyridine Derivatives Catalyzed by Silica-Coated Magnetic NiFe2O4 Nanoparticles-Supported H14[NaP5W30O110]. RUSS J GEN CHEM+ 2018. [DOI: 10.1134/s1070363217120325] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Yaragorla S, Pareek A, Dada R. Regioselective annulation of propargyl alcohols with ambident-enols: A Ca(II)-catalyzed trisubstituted benzochromene synthesis. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.10.077] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Therapeutic role of nitric oxide as emerging molecule. Biomed Pharmacother 2017; 85:182-201. [DOI: 10.1016/j.biopha.2016.11.125] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Revised: 11/10/2016] [Accepted: 11/27/2016] [Indexed: 01/21/2023] Open
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Hassani R, Kacem Y, Ben Mansour H, Ben Ammar H, Ben Hassine B. New chiral 4-substituted 2-cyanoethyl-oxazolines: synthesis and assessment of some biological activities. Chem Biol Interact 2014; 217:41-8. [PMID: 24727558 DOI: 10.1016/j.cbi.2014.04.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 03/12/2014] [Accepted: 04/02/2014] [Indexed: 11/28/2022]
Abstract
This paper describes the synthesis of new enantiomerically pure 2-cyanoethyl-oxazolines in one step starting from a wide range of amino alcohols and 4-ethoxy-4-iminobutanenitrile with high to good yields (73-96%) via an appropriate procedure which can be used for a selective synthesis of mono-oxazolines. A simple operation as well as a practical separation is additional eco-friendly attributes of this method. All the synthesized compounds were identified and characterized with their physicochemical features and their spectral data ((1)H NMR, (13)C NMR and TOFMS ES(+)). Among the prepared mono-oxazolines, the mono-oxazoline (3a) [3-[(4S)-4-benzyl-4,5-dihydro-1,3-oxazol-2-yl] propanenitrile] was tested to detect some biological activities. This compound was studied in vitro given the various types of pharmacological properties characterizing these compounds such as antioxidant, antimicrobial and analgesic activities. The antioxidant activity and mechanism of (3a) were identified using various in vitro antioxidant assays including 1,1-diphenyl-2-picryl-hydrazyl (DPPH), and superoxide anion radicals (O2(-)) scavenging activity. In addition, compared to Quercetin, the tested synthetic product reveals a relatively-strong antiradical activity towards the DPPH (activity percentage of 81.22%) free radicals and significantly decreased the reactive oxygen species such as (O2(-)) formation evaluated by the non-enzymatic (nitroblue tetrazolium/riboflavine) and the enzymatic (xanthine/xanthine oxidase) systems. Related activity values were, respectively, 66% and 60.30%. The oxazoline (3a) showed a high ability to reduce the O2(-) generation and proved to be a very potent radical scavenger. On the other hand, the analgesic property of the 3[(4S)-benzyl-4,5-dihydro-1,3-oxazol-2-yl] propanenitrile (3a) was demonstrated. The subcutaneous administration of (3a) produced a significant reduction in the number of abdominal constrictions amounting to 73.81% in the acetic acid writhing test in mice. In addition to these advances, the oxazoline (3a) has been investigated as an antimicrobial agent. Our results showed that this molecule exhibited various levels of antibacterial effect against all the tested bacterial strains.
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Affiliation(s)
- Rym Hassani
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène (UR11ES56), Faculté des Sciences, Avenue de l'environnement, 5019 Monastir, Tunisia
| | - Yakdhane Kacem
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène (UR11ES56), Faculté des Sciences, Avenue de l'environnement, 5019 Monastir, Tunisia
| | - Hedi Ben Mansour
- Laboratoire de biotechnologie et Valorisation de Bio Géo Ressources (LBVBGR), Institut Supérieur de Biotechnologie, ISBST BioTechPole Sidi Thabet Université Manouba, Ariana 2020, Tunisia
| | - Hamed Ben Ammar
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène (UR11ES56), Faculté des Sciences, Avenue de l'environnement, 5019 Monastir, Tunisia
| | - Béchir Ben Hassine
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène (UR11ES56), Faculté des Sciences, Avenue de l'environnement, 5019 Monastir, Tunisia.
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Bhardwaj A, Kaur J, Wuest F, Knaus EE. Do nitric oxide-releasing drugs offer a potentially new paradigm for the management of cardiovascular risks in diabetes? Expert Rev Cardiovasc Ther 2014; 12:533-6. [PMID: 24725228 DOI: 10.1586/14779072.2014.897227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Cardiovascular complications are frequently observed in diabetic patients and are mostly caused by endothelial dysfunction associated with a decline in biosynthesis of nitric oxide (NO). In response to this concern, a remarkable increase in the interest for development of NO-releasing hybrid drugs has been observed. The NO-donating entity was linked to known drugs with the belief that NO is a vasorelaxant and an inhibitor of platelet aggregation or reduces thrombotic events. Many of these NO-releasing hybrid drugs have shown significant improvement in cardiovascular safety. In this editorial the potential roles of NO-releasing drugs for the treatment of cardiovascular complications in diabetes will be discussed.
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Affiliation(s)
- Atul Bhardwaj
- Department of Oncology, University of Alberta, Edmonton, AB, T6G 1Z2, Canada
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Novel nitric oxide-releasing isochroman-4-one derivatives: Synthesis and evaluation of antihypertensive activity. Bioorg Med Chem 2012; 20:6848-55. [DOI: 10.1016/j.bmc.2012.09.043] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2012] [Revised: 09/18/2012] [Accepted: 09/19/2012] [Indexed: 11/17/2022]
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Yang K, Chen XF, Lai WP, Wang BZ. An exploration of the mechanisms for the formation of 3,4-bis(4-aminofurazan-3-yl)-furoxan by density functional theory. COMPUT THEOR CHEM 2012. [DOI: 10.1016/j.comptc.2012.07.042] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lichtenberg C, Spaniol TP, Okuda J. Reactivity of Tris(allyl)aluminum toward Pyridine: Coordination versus Carbometalation. Organometallics 2011. [DOI: 10.1021/om200492f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Crispin Lichtenberg
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, D-52056 Aachen, Germany
| | - Thomas P. Spaniol
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, D-52056 Aachen, Germany
| | - Jun Okuda
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, D-52056 Aachen, Germany
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Hadjebi M, Hashtroudi MS, Bijanzadeh HR, Balalaie S. Novel Four-Component Approach for the Synthesis of Polyfunctionalized 1,4-Dihydropyridines in Aqueous Media. Helv Chim Acta 2011. [DOI: 10.1002/hlca.201000228] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Crawford JJ, Fleming BJ, Kennedy AR, Klett J, O’Hara CT, Orr SA. Remote functionalisation via sodium alkylamidozincate intermediates: access to unusual fluorenone and pyridyl ketone reactivity patterns. Chem Commun (Camb) 2011; 47:3772-4. [DOI: 10.1039/c1cc10193e] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Jochmann P, Dols TS, Spaniol TP, Perrin L, Maron L, Okuda J. Insertion von Pyridin in die Calcium-Allyl-Bindung: regioselektive Bildung von 1,4-Dihydropyridinen und C-H-Aktivierung. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201003704] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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18
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Jochmann P, Dols TS, Spaniol TP, Perrin L, Maron L, Okuda J. Insertion of Pyridine into the Calcium Allyl Bond: Regioselective 1,4-Dihydropyridine Formation and CH Bond Activation. Angew Chem Int Ed Engl 2010; 49:7795-8. [DOI: 10.1002/anie.201003704] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Li WS, More SV, Wang CH, Jen YC, Yao CF, Wang TF, Hung CC, Jao SC. Synthesis and structure–activity relationships of novel furazan-3,4-diamide analogs as potent anti-cancer agents. Bioorg Med Chem Lett 2010; 20:1148-52. [DOI: 10.1016/j.bmcl.2009.12.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2009] [Revised: 12/01/2009] [Accepted: 12/03/2009] [Indexed: 11/29/2022]
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da Silva FM, Gonçalves M, Ferre FT, Sena JD, Coelho RB, Jones Junior J. 4-Phenyl-1,4-Dihydropyridines by Hantzsch Reaction in Water. HETEROCYCL COMMUN 2009. [DOI: 10.1515/hc.2009.15.1.57] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Das B, Suneel K, Venkateswarlu K, Ravikanth B. Sulfonic Acid Functionalized Silica: An Efficient Heterogeneous Catalyst for a Three-Component Synthesis of 1,4-Dihydropyridines under Solvent-Free Conditions. Chem Pharm Bull (Tokyo) 2008; 56:366-8. [DOI: 10.1248/cpb.56.366] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Biswanath Das
- Organic Chemistry Division-I, Indian Institute of Chemical Technology
| | - Kanaparthy Suneel
- Organic Chemistry Division-I, Indian Institute of Chemical Technology
| | | | - Bommena Ravikanth
- Organic Chemistry Division-I, Indian Institute of Chemical Technology
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Lolli ML, Hansen SL, Rolando B, Nielsen B, Wellendorph P, Madsen K, Larsen OM, Kristiansen U, Fruttero R, Gasco A, Johansen TN. Hydroxy-1,2,5-oxadiazolyl Moiety as Bioisoster of the Carboxy Function. Synthesis, Ionization Constants, and Pharmacological Characterization of γ-Aminobutyric Acid (GABA) Related Compounds. J Med Chem 2006; 49:4442-6. [PMID: 16821803 DOI: 10.1021/jm051288b] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Three 4-substituted 1,2,5-oxadiazol-3-ols containing aminoalkyl substituents (analogues and homologues of gamma-aminobutyric acid (GABA)) were synthesized to investigate the hydroxy-1,2,5-oxadiazolyl moiety as a bioisoster for a carboxyl group at GABA receptors. The pK(a) values of the target compounds were close to those of GABA. At GABA(A) receptors of cultured cerebral cortical neurons, weak agonist and partial agonist profiles were identified, demonstrating the 4-hydroxy-1,2,5-oxadiazol-3-yl unit to be a nonclassical carboxyl group bioisoster.
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Affiliation(s)
- Marco L Lolli
- Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via Pietro Giuria 9, 10125 Torino, Italy
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Moghadam M, Nasr-Esfahani M, Tangestaninejad S, Mirkhani V. Mild and efficient oxidation of Hantzsch 1,4-dihydropyridines with sodium periodate catalyzed by a new polystyrene-bound Mn(TPP)Cl. Bioorg Med Chem Lett 2006; 16:2026-30. [PMID: 16426849 DOI: 10.1016/j.bmcl.2005.12.072] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2005] [Revised: 12/06/2005] [Accepted: 12/19/2005] [Indexed: 10/25/2022]
Abstract
Mild and efficient oxidation of Hantzsch 1,4-dihydropyridines with sodium periodate catalyzed by Mn(TTP)Cl supported on polystyrene-bound imidazole is reported. This heterogeneous catalyst is of great stability and reusability in the oxidation of 1,4-dihydropyridines with sodium periodate without significant loss of its catalytic activity.
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Affiliation(s)
- Majid Moghadam
- Department of Chemistry, Yasouj University, Yasouj 75914-353, Iran.
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Martín N, Verdecia Y, Ochoa E, Barried B, Molero D, Seoane C, Novoa H, M. Blaton N, M. Peetersd O, Álvarez A, Suárez M, Pérez R, Díaz M, Martínez-Álvarez R. Synthesis and Structural Study of Semicarbazone-Containing 1,4-Dihydropyridine. HETEROCYCLES 2006. [DOI: 10.3987/com-06-10776] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Supsana P, Liaskopoulos T, Skoulika S, Kolocouris A, Tsoungas PG, Varvounis G. Thermal rearrangement of spiro[naphthalene(naphthopyranofurazan)]oxides to spiro[naphthalene(phenalenofurazan)oxides. A probable furazan oxide triggered tandem isomerisation process. Tetrahedron 2005. [DOI: 10.1016/j.tet.2005.03.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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27
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Six-membered ring systems: pyridines and benzo derivatives. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/s0959-6380(05)80334-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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