Academic literature on the topic 'Quinoxalinones'

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Journal articles on the topic "Quinoxalinones"

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Awad, Ibrahim M. A., and Khairy M. Hassan. "Studies in Vilsmeier-Haack reaction. Application to quinoxalinones." Collection of Czechoslovak Chemical Communications 55, no. 11 (1990): 2715–21. http://dx.doi.org/10.1135/cccc19902715.

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The 3-methyl group in quinoxalinones I and II has been found to undergo diformylation by Vilsmeier reagent to give the corresponding aminoacrolein derivatives (III, IV). Condensation and/or interaction of III or IV with some secondary heterocyclic amines and/or with hydrazine, phenylhydrazine and hydroxylamine affords the related 3-methyl-N-(1H)-2-quinoxalinone and 1,3-dimethyl-2-quinoxalinone derivatives (VII-XVIII), some with pronounced fluorescence activities. All synthesized compounds have been screened in vitro for their antimicrobial activities against Gram-positive and Gram-negative bac
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Lv, Min, and Hui Xu. "The Combinatorial Synthesis of Bioactive Quinoxalines, Quinoxalinones and Quinoxalinols." Combinatorial Chemistry & High Throughput Screening 13, no. 3 (2010): 293–301. http://dx.doi.org/10.2174/138620710790980513.

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Toonchue, Saowanee, Ladawan Sumunnee, Khamphee Phomphrai, and Sirilata Yotphan. "Metal-free direct oxidative C–C bond coupling of pyrazolones and quinoxalinones." Organic Chemistry Frontiers 5, no. 12 (2018): 1928–32. http://dx.doi.org/10.1039/c8qo00328a.

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An efficient oxidative dehydrogenative coupling of quinoxalinones and pyrazolones has been successfully developed using a readily available persulfate oxidant. This protocol provides facile access to a wide array of hydroxy-pyrazolyl quinoxalinones in good to excellent yields.
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Lv, Min, and Hui Xu. "ChemInform Abstract: The Combinatorial Synthesis of Bioactive Quinoxalines, Quinoxalinones and Quinoxalinols." ChemInform 41, no. 28 (2010): no. http://dx.doi.org/10.1002/chin.201028227.

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Song, J. H., S. M. Bae, H. Y. Shin, D. I. Jung, and J. H. Cho. "Synthesis of Spirohydantoins and Schiff Bases of Indenoquinoxalinones and Indenopyridopyrazinones." Asian Journal of Chemistry 32, no. 8 (2020): 1925–30. http://dx.doi.org/10.14233/ajchem.2020.22679.

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The main structure of many compounds containing spirohydantoin and Schiff bases of indenoquinoxalines and indenopyridopyrazinones expose valuable pharmacological properties. Herein, an effective synthesis and stereochemistry of indenoquinoxalinones (2a, 2b+bi~2d+di) and indenopyridopyrazinones (2e+ei~g+gi) via the reaction of ninhydrin with desirable diamines is reported. We synthesized the corres-ponding spirohydantoins (3a, 3b~d and 3bi~di) from synthesized indeno[1,2-b]quinoxalinones and indeno[1,2-b]pyrido[3,2-e]pyrazinones with the standard Bucherer-Bergs conditions (KCN, ammonium carbona
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Lian, Fei, Kun Xu, Wei Meng, Haonan Zhang, Zhoumei Tan, and Chengchu Zeng. "Nickel-catalyzed electrochemical reductive decarboxylative coupling of N-hydroxyphthalimide esters with quinoxalinones." Chemical Communications 55, no. 97 (2019): 14685–88. http://dx.doi.org/10.1039/c9cc07840a.

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Guo, Tao, Chuan-Chuan Wang, Xiang-Heng Fu, Yu Liu, and Pan-Ke Zhang. "Copper-catalyzed C–H/N–H cross-coupling reactions for the synthesis of 3-heteroaryl quinoxalin-2(1H)-ones." Organic & Biomolecular Chemistry 17, no. 13 (2019): 3333–37. http://dx.doi.org/10.1039/c9ob00294d.

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Renault, Kévin, Pierre-Yves Renard, and Cyrille Sabot. "Photophysical properties of quinoxalin-2(1H)-ones: application in the preparation of an azide-based fluorogenic probe for the detection of hydrogen sulfide." New Journal of Chemistry 41, no. 18 (2017): 10432–37. http://dx.doi.org/10.1039/c7nj01893b.

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Mtiraoui, Hasan, Kevin Renault, Morgane Sanselme, Moncef Msaddek, Pierre-Yves Renard, and Cyrille Sabot. "Correction: Metal-free oxidative ring contraction of benzodiazepinones: an entry to quinoxalinones." Organic & Biomolecular Chemistry 15, no. 35 (2017): 7474–75. http://dx.doi.org/10.1039/c7ob90126g.

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Zhang, Xu, Bin Xu, and Ming-Hua Xu. "Rhodium-catalyzed asymmetric arylation of N- and O-containing cyclic aldimines: facile and efficient access to highly optically active 3,4-dihydrobenzo[1,4]oxazin-2-ones and dihydroquinoxalinones." Organic Chemistry Frontiers 3, no. 8 (2016): 944–48. http://dx.doi.org/10.1039/c6qo00191b.

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Dissertations / Theses on the topic "Quinoxalinones"

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Wiethan, Carson Wanderley. "Síntese e funcionalização de azóis via formação de ligações carbono – carbono e carbono – nitrogênio." Universidade Federal de Santa Maria, 2017. http://repositorio.ufsm.br/handle/1/12456.

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This work describes the synthesis and functionalization of azoles employing different methodologies, based on organometallic catalysis or not. Firstly, we disclose the synthesis tetra-substituted 5-trifluoromethyl pyrazoles via sequential halogenation of 5-trifluoromethyl pyrazoles and palladium-catalyzed carbon–carbon and carbon–nitrogen cross-coupling reactions employing organozinc reagents and amines as coupling partners, respectively. This work allowed to achieve new pyrazolic systems in moderated to good yields. Posteriorly, we show the synthesis of 1,3-di(hetero)aryl indazoles exploring
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Renault, Kévin. "Développement de ligations chimiosélectives "click" : applications à la synthèse de sondes fluorescentes." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMR127/document.

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Depuis quelques décennies, l’étude de systèmes biologiques complexes est un domaine en plein essor. Ainsi, des outils de ligation des biomolécules avec des reporters chimiques ont été mis en place afin d’avoir une compréhension toujours fine du vivant. Les ligations sont des réactions chimiques biocompatibles permettant de lier deux entités synthétiques ou biologiques entre elles. On regroupe généralement ces ligations en deux catégories, les réactions de bioconjuguaison, qui font intervenir des fonctions chimiques naturellement présentes dans les biomolécules, et les réactions bio-orthogonale
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Dejouy, Garance. "Synthèse de nouveaux fluorophores organiques – Application à la conception de substrats fluorogéniques d'enzymes fondés sur le principe de la synthèse in situ." Thesis, Bourgogne Franche-Comté, 2020. http://www.theses.fr/2020UBFCK027.

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La détection et l'imagerie par fluorescence de systèmes biologiques nécessite la mise en place d'outils efficaces, robustes et simples d'utilisation. Les sondes fluorogéniques conventionnelles, actuellement utilisées en microbiologie manquent de précision puisqu'elles résultent de la simple modification chimique de la structure d'un fluorophore déjà formé, conduisant souvent à une extinction incomplète de sa fluorescence intrinsèque. Mes travaux de thèse ont pour but de développer de nouveaux substrats fluorogéniques d'enzymes basés sur le principe du "covalent assembly". Cette approche de syn
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Ghorbanian, Shohreh. "Studies of potentially useful thiol-reactive fluorescent probes and novel ion-responsive fluorescent quinoxalinone derivatives." Thesis, Brunel University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360815.

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Campos, Patrick Teixeira. "Síntese e estrutura de compostos poliaza heterocíclicos." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/4236.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This work describes the synthesis of a number of polyaza heterocycles and the mechanistic study to obtain these products. Furthermore, the characterization was performed by spectroscopic method and the structural study by X-ray diffraction and theoretical calculations of molecular orbitals. The synthesis of polyaza heterocyclic compounds began from the cyclocondensation reaction between a β- enaminodiketone and 2-aminopyridine, 2-aminothiazole or 2-aminobenzoimidazole in order to achieve pyrido[1,2-a]pyrimidin-4-one, thiazole[3,2-a
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Kuo, Cheng-Yen, and 郭政彥. "Liquid-phase Combinatorial Synthesis of Quinoxalinone." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/06585920898408719013.

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Chang, Wan-Jin, та 張萬鈞. "polymer supported focused microwave synthesis of β—Carboline and Quinoxalinone heterocycles for medicinal interest". Thesis, 2004. http://ndltd.ncl.edu.tw/handle/52126583861112730645.

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Lai, Jin-Ji, and 賴俊吉. "(Ⅰ) Liquid Phase Combinatorial Prallel Synthesis of Bis(benzimidazole)、beta-Carboline、Benzodiazepine and Quinoxalinone Library (Ⅱ) Synthesis of Andrographolide Analogues." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/47945831159749339186.

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Lin, Yung-Lun, та 林永倫. "一.Synthesis and Kinetic Study of Quinoxalinone-Based Sulfonamides as New Human Erythrocyte Carbonic Anhydrase II Inhibitors二.The Applications of [b-3C-im][NTf2] Ionic Liquid in Claisen rearrangement Reaction". Thesis, 2007. http://ndltd.ncl.edu.tw/handle/78031405060100864080.

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碩士<br>國立中正大學<br>化學所<br>95<br>Carbonic anhydrase (CA) is a zinc-containing metalloenzyme that is widespread in nature and catalyzes the reversible hydration of CO2 to HCO3- and H+. CA is expressed in a number of isoforms (CA I-XIV) with varying degrees of enzymatic activity and participates in various physiological/pathological processes in human body. Inhibition of the zinc metalloenzyme human CAII by sulfonamides has the potential to treat clinically important diseases such as glaucoma, osteoporosis and most recently cancers. In this study, a new class of human CAII inhibitors with conforma
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林淑芬. "((Ⅰ)Microwave-Assisted Liquid Phase Parallel Synthesis of Bis(benzimidazoles) Library which Has Anticancer Activity Analogue to UK-1(Ⅱ)Microwave-Assisted Liquid Phase Syntehsie of Quinoxalinone Library via Ugi Four-Component Condensation(Ⅲ)Solut." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/12025886230606867834.

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Conference papers on the topic "Quinoxalinones"

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Marrero-Ponce, Yovani, Miriam Martins Alho, Alfredo Meneses-Marcel, et al. "Antiprotozoan Lead Discovery by Aligning Dry and Wet Screening: Prediction, Synthesis, and Biological Assay of Novel Quinoxalinones." In The 12th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2008. http://dx.doi.org/10.3390/ecsoc-12-01246.

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