Bibliografias temáticas / 2-azaanthraquinone

Literatura científica selecionada sobre o tema "2-azaanthraquinone"

Autor: Grafiati
Publicado: 4 de junho de 2021
Última modificação: 9 de fevereiro de 2022

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  1. Artigos de revistas
  2. Teses / dissertações

Artigos de revistas sobre o assunto "2-azaanthraquinone":

1

Frank, Birgit, Rainer Beckert, Sven Rau e Helmar Görls. "2-Azaanthraquinones: Building Blocks for New Ring-Fused Imidazoles and their Transformation into Benzo[f]isoindole-4,9-diones". Zeitschrift für Naturforschung B 60, n.º 7 (1 de julho de 2005): 771–79. http://dx.doi.org/10.1515/znb-2005-0713.

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The modification of 2-azaanthraquinones with selected C1 building blocks gives a series of new imidazo-fused derivatives. Employing 2,3-dichloro-5,6-dicyanopyrazine as cyclization partner a rearrangement to yield derivatives of benzo[f ]isoindole-4,9-dione takes place. The Sonogashira crosscoupling reaction of the aminalester derivative of the azaanthraquinone resulted in well soluble silyl substituted acetylenes as well as ethinyl aniline which allows further derivatization reactions.
2

Potts, Kevin T., Eileen B. Walsh e Debkumar Bhattacharjee. "Cycloaddition routes to azaanthraquinone derivatives. 2. Use of azadienes". Journal of Organic Chemistry 52, n.º 11 (maio de 1987): 2285–92. http://dx.doi.org/10.1021/jo00387a032.

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Gbaguidi, Fernand, Giulio Muccioli, Georges Accrombessi, Mansour Moudachirou e Joëlle Quetin-Leclercq. "Densitometric HPTLC quantification of 2-azaanthraquinone isolated fromMitracarpus scaberand antimicrobial activity againstDermatophilus congolensis". Journal of Planar Chromatography – Modern TLC 18, n.º 105 (outubro de 2005): 377–79. http://dx.doi.org/10.1556/jpc.18.2005.5.8.

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Van Wagoner, Ryan M., Peter G. Mantle e Jeffrey L. C. Wright. "Biosynthesis of Scorpinone, a 2-Azaanthraquinone fromAmorosia littoralis, a Fungus from Marine Sediment⊥". Journal of Natural Products 71, n.º 3 (março de 2008): 426–30. http://dx.doi.org/10.1021/np070614i.

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Choshi, Tominari, Teppei Kumemura, Junko Nobuhiro e Satoshi Hibino. "Novel synthesis of the 2-azaanthraquinone alkaloid, scorpinone, based on two microwave-assisted pericyclic reactions". Tetrahedron Letters 49, n.º 23 (junho de 2008): 3725–28. http://dx.doi.org/10.1016/j.tetlet.2008.04.033.

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Hibino, Satoshi, Tominari Choshi, Miharu Hironaka, Miki Goto, Kaori Shimizu, Yuhki Kurata, Takashi Nishiyama e Noriyuki Hatae. "Novel Total Synthesis of the 2-Azaanthraquinone Alkaloid Scorpinone Using a Tandem Oxidation and Azaelectrocyclic Reaction". HETEROCYCLES 91, n.º 3 (2015): 537. http://dx.doi.org/10.3987/com-14-13155.

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Burckhardt, Günther, Axel Walter, Hans Triebel, Karin Störl, Hannelore Simon, Joachim Störl, Andreas Opitz, Ernst Roemer e Christoph Zimmer. "Binding of 2-Azaanthraquinone Derivatives to DNA and Their Interference with the Activity of DNA Topoisomerases in Vitro†". Biochemistry 37, n.º 14 (abril de 1998): 4703–11. http://dx.doi.org/10.1021/bi9724220.

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Nguyen Van, Tuyen, Guido Verniest, Sven Claessens e Norbert De Kimpe. "Total synthesis of four naturally occurring 2-azaanthraquinone antibiotics, 6-deoxy-8-methylbostrycoidin, 6-deoxybostrycoidin, 7-O-demethyl-6-deoxybostrycoidin and scorpinone". Tetrahedron 61, n.º 9 (fevereiro de 2005): 2295–300. http://dx.doi.org/10.1016/j.tet.2005.01.035.

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Molina, Pedro, Aurelia Pastor, María Jesús Vilaplana e Concepción Foces-Foces. "Vinyliminophosphorane-mediated preparation of 2-arylquinoline and 4-aryl-1-azaanthraquinone derivatives. X-Ray crystal structure of 1,2-dihydro-3H-indazolo[2,3-a]quinolin-4-one". Tetrahedron 51, n.º 4 (janeiro de 1995): 1265–76. http://dx.doi.org/10.1016/0040-4020(94)01005-k.

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MOLINA, P., A. PASTOR, M. J. VILAPLANA e C. FOCES-FOCES. "ChemInform Abstract: Vinyliminophosphorane-Mediated Preparation of 2-Arylquinoline and 4- Aryl-1-azaanthraquinone Derivatives. X-Ray Crystal Structure of 1,2- Dihydro-3H-indazolo(2,3-a)quinolin-4-one." ChemInform 26, n.º 29 (17 de agosto de 2010): no. http://dx.doi.org/10.1002/chin.199529063.

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Artigos de revistas

Teses / dissertações sobre o assunto "2-azaanthraquinone":

1

Caillé, Fabien. "Synthèse et caractérisation de sondes bimodales pour l'IRM et l'imagerie optique". Thesis, Orléans, 2011. http://www.theses.fr/2011ORLE2033/document.

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L’Imagerie par Résonance Magnétique (IRM) offre une excellente résolution à l’échelle macroscopique alors que l’imagerie optique lui est parfaitement complémentaire car elle dispose d’une haute résolution à l’échelle microscopique ainsi que d’une forte sensibilité. Les complexes de gadolinium(III) ont déjà prouvé leur efficacité en tant qu’agents de contraste IRM et d’autres lanthanides luminescents émettant dans le proche infrarouge conviennent pour l’imagerie optique. Des complexes de lanthanides bishydratés à motif pyridine montrant des résultats très prometteurs pour les deux types d’imagerie ont été développés précédemment au laboratoire. Afin d’améliorer leurs propriétés optiques, des ligands à motifs isoquinoléines ont été synthétisés. Leurs complexes de lanthanides montrent des propriétés magnétiques prometteuses et des constantes thermodynamiques qui démontrent leur faible toxicité in vitro. La longueur d’onde d’excitation et les rendements quantiques des complexes d’Yb3+ et de Nd3+ ont été augmentés pour permettre d’obtenir des images de luminescence et d’envisager des applications in vivo.Afin d’améliorer davantage ces propriétés optiques, la synthèse de ligands à motif 2-azaanthraquinone a été entreprise mais l’instabilité chimique de ces molécules n’a pas permis d’isoler les ligands désirés.Cette approche bimodale a été appliquée à la conception de sondes sensibles au zinc. La synthèse de complexes de Gd3+ à motifs pyridines adaptés permet une detection relaxométrique qualitative et sélective de ce cation. Cependant, l’absence de variation du nombre d’hydratation ne permet pas la détection par luminescence. De légères modifications chimiques sur les ligands devraient permettre d’atteindre cet objectif
Among the state-of-the-art imaging techniques, Magnetic Resonance Imaging (MRI) offers an excellent macroscopic scale resolution whereas optical imaging shows high microscopic scale resolution and great sensitivity. Gadolinium complexes have already proved their efficiency as MRI contrast agents whereas other lanthanide cations emitting in the near infrared may suit for optical imaging purposes. Pyridine-based lanthanide complexes which showed promising results as bimodal probes have previously been developed. In the objective of improving their optical properties, isoquinoline-based ligands have been synthesized. The lanthanide complexes show promising magnetic properties and their thermodynamic stability presumes in vitro low toxicity. Excitation wavelengths and quantum yields of both Nd3+ and Yb3+ complexes have been improved to obtain luminescence images and to foresee in vivo applications. In order to further improve the optical properties, attempts to synthesize 2-azaanthraquinone-based ligands have been made.The desired ligands could not have been isolated due to their chemical instability. This bimodal approach has been applied to the design of smart probes sensitive to zinc. The qualitative and selective detection of the latter has been realized thanks to Gd3+ complexes with adapted pyridine-based ligands. However, the detection by luminescence could not be achieved. Slight chemical modifications on the ligands should allow reaching this goal
2

Bouammali, Boufelja. "Régiosélectivité de la réaction de Diels-Alder entre des 1-alcoxy (ou silyloxy)-2-aza-3- silyloxy-1,3-diènes et des naphtoquinones : recherche de l'activité antitumorale in vitro des 2-azaanthraquinone-3-ones". Lyon 1, 1991. http://www.theses.fr/1991LYO1T087.

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