Relevant bibliographies by topics / Dihydroindolone

Academic literature on the topic 'Dihydroindolone'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Dihydroindolone"

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Shishkina, Svitlana V., Igor V. Ukrainets, and Lidiya A. Petrushova. "(R,S)-2′-Amino-6′-methyl-2,5′,5′-trioxo-6′H-spiro[indoline-3,4′-pyrano[3,2-c][2,1]benzothiazine]-3′-carbonitrile dimethylformamide monosolvate." Acta Crystallographica Section E Structure Reports Online 70, no. 7 (June 18, 2014): o786—o787. http://dx.doi.org/10.1107/s1600536814013634.

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The title solvate, C20H14N4O4S·C3H7NO, comprises a stereogenic centre but the centrosymmetric space group causes the presence of the racemate in the crystal. The spiro-joined fragments are almost orthogonal, with a dihedral angle of 86.8 (2)° between the mean planes of the pyrane ring and the dihydroindolone ring system. The atoms of the indolinone bicycle are coplanar, with an r.m.s. deviation of 0.005 Å. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into centrosymmetric dimers which are linked to the dimethylformamide solvent molecules by further N—H...O hydrogen bonds. N—H...N hydrogen bonds link neighbouring dimers into [010] chains.
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Adam, Mohamed Shaker S. "Catalytic activity of nickel(II), copper(II) and oxovanadium(II)-dihydroindolone complexes towards homogeneous oxidation reactions." Applied Organometallic Chemistry 32, no. 4 (January 11, 2018): e4234. http://dx.doi.org/10.1002/aoc.4234.

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Ginzinger, Werner, Vladimir Arion, Gerald Giester, Markus Galanski, and Bernhard Keppler. "Synthesis and structural peculiarities of gallium Complexes with novel paullone derivatives." Open Chemistry 6, no. 3 (September 1, 2008): 340–46. http://dx.doi.org/10.2478/s11532-008-0048-x.

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Abstract9-Bromo-7,12-dihydroindolo[3,2-d][1]benzazepin-6-ylhydrazine was reacted with 2-acetylpyridine to give a Schiff base as a potential tridentate ligand. The reaction of this ligand with gallium chloride afforded complexes of 1:1 and 2:1 stoichiometry. The results of X-ray diffraction studies of the ligand and both gallium complexes are reported and compared with the data for a related gallium complex with a Schiff base obtained from 9-bromo-7,12-dihydroindolo[3,2-d][1]benzazepin-6-ylhydrazine and 2-hydroxybenzaldehyde.
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Chen, Mintao, Wenqing Zang, Yin Wei, and Min Shi. "A highly efficient method for the construction of cyclopropane-containing dihydroindole derivatives from indolemethylenecyclopropanes with DIAD and DEAD." Organic & Biomolecular Chemistry 18, no. 2 (2020): 333–36. http://dx.doi.org/10.1039/c9ob02520k.

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Hung, Tran Quang, Sören Hancker, Alexander Villinger, Stefan Lochbrunner, Tuan Thanh Dang, Aleksej Friedrich, Wolfgang Breitsprecher, and Peter Langer. "Novel synthesis of 5-methyl-5,10-dihydroindolo[3,2-b]indoles by Pd-catalyzed C–C and two-fold C–N coupling reactions." Organic & Biomolecular Chemistry 13, no. 2 (2015): 583–91. http://dx.doi.org/10.1039/c4ob01723d.

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Savych, Iryna, Tim Gläsel, Alexander Villinger, Vyacheslav Ya Sosnovskikh, Viktor O. Iaroshenko, and Peter Langer. "Synthesis of functionalized 2-salicyloylfurans, furo[3,2-b]chromen-9-ones and 2-benzoyl-8H-thieno[2,3-b]indoles by one-pot cyclizations of 3-halochromones with β-ketoamides and 1,3-dihydroindole-2-thiones." Organic & Biomolecular Chemistry 13, no. 3 (2015): 729–50. http://dx.doi.org/10.1039/c4ob01730g.

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Irgashev, Roman A., Nikita A. Kazin, Grigory A. Kim, Gennady L. Rusinov, and Valery N. Charushin. "A new synthetic approach to fused nine-ring systems of the indolo[3,2-b]carbazole family through double Pd-catalyzed intramolecular C–H arylation." RSC Advances 6, no. 74 (2016): 70106–16. http://dx.doi.org/10.1039/c6ra11796a.

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Niedźwiecka-Kornaś, Anna, Elżbieta Bojarska, Jarosław Kamiński, and Zygmunt Kazimierczuk. "Anodic Methoxylation of Isatin." Zeitschrift für Naturforschung B 53, no. 5-6 (June 1, 1998): 620–24. http://dx.doi.org/10.1515/znb-1998-5-619.

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Abstract Anodic metoxylation of isatin was investigated. The product formed contained a unique 3a.7a-dihydroindole ring system. 3a,7a-Dihydro-(Z)-3a,7a-dimetoxyisatin was isolated and characterized with a variety of spectroscopic methods.
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Tian, Guojian, Shengyun Cai, Xin Li, Hans Ågren, Qiaochun Wang, Jinhai Huang, and Jianhua Su. "A new D–A–π–A type organic sensitizer based on substituted dihydroindolo [2,3-b] carbazole and DPP unit with a bulky branched alkyl chain for highly efficient DSCs." Journal of Materials Chemistry A 3, no. 7 (2015): 3777–84. http://dx.doi.org/10.1039/c4ta05162a.

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Two new D–A–π–A type metal-free organic dyes based on a dihydroindolo[2,3-b]carbazole donor have been synthesized for DSCs. Both dyes exhibited broad IPCE spectra, good photo-stability and high performance.
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Raner, KD, and AD Ward. "Heterocyclic Syntheses Through Electrophilic Ring Closure Reactions of ortho-Allylaniline Systems." Australian Journal of Chemistry 44, no. 12 (1991): 1749. http://dx.doi.org/10.1071/ch9911749.

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Amide derivatives of 2-allylanilines have been prepared by metallation of the amide derivatives of the corresponding 2-bromoanilines and subsequent reaction with an allylic halide. The electrophile -promoted cyclization of these compounds has been investigated. The free allylanilines readily undergo aminomercuration to form unstable mercury derivatives of tetrahydroquinolines but the corresponding amide derivatives do not cyclize. Instead, oxymercuration of the double bond occurs. The allylanilines react with iodine to yield 3-iodo-1,2,3,4-tetrahydroquinolines. The anion of 2,2,2-trifluoro-N-[4-hydroxymethyl-2-(3-methylbut-2-enyl)phenyl] acetamide reacts with iodine to give a 2,3-dihydroindole. These iodinated compounds can be further cyclized with base to form 7,7a-dihydro-1H-azirino[1,2-a] indoles. One of these aziridine systems was cleaved with hydrogen chloride to form a mixture of chlorinated tetrahydroquinoline and dihydroindole analogous to the iodo systems.
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Dissertations / Theses on the topic "Dihydroindolone"

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Goh, Wai Kean Chemistry Faculty of Science UNSW. "Novel antagonists of bacterial signaling pathways." Publisher:University of New South Wales. Chemistry, 2008. http://handle.unsw.edu.au/1959.4/41458.

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Traditional bacterial disease therapies utilize compounds that ultimately kill the target bacteria but it exerts a strong selective pressure on the bacteria to develop multi-drug resistance mutants. The increasing occurrence of resistance in common pathogens has highlighted the need to identify new anti-microbials that target the control of bacterial pathogenicity in a non-extermination manner to reduce the incidence of bacteria resistance. One new strategy exploits the discrete signaling molecules that regulate the various bacterial signaling pathways, which are responsible for the expression of pathogenicity traits. Halogenated furanones (fimbrolides) from the marine red alga, Delisea pulchra have been shown to interfere with the key signaling pathway present in Gram-negative bacteria by competitively displacing the cognate signaling molecule from the transcription protein. This project focused on the design and synthesis of 1,5-dihydropyrrol-2-ones, a new class of fimbrolide derivatives capable of displaying strong antagonistic properties of the fimbrolides. Primary synthetic methodologies examined include the halolactamization of allenamides and the direct lactone-lactam transformation. No doubt, both methodologies yielded the lactam ring, the former failed to introduce the crucial C-5 bromomethylene group essential for bioactivity. A facile high yielding two-step lactone-lactam transformation method was developed and using this method, a wide range of substituted 5-bromomethyl- and 5-dibromomethylene-1,5-dihydropyrrol-2-ones were synthesized. Furthermore, a new class of tricyclic crown-ether type compounds with no literature precedent were discovered. To vary the diversity of the compounds, a related class of compounds, 5,6-dihydroindol-2-ones, were examined. A general versatile method for the synthesis of 7-substituted 5,6-dihydroindol-2-ones was developed. The synthetic strategy proceeds via the established Suzuki-Miyaura cross-coupling reaction of halogenated dihydroindol-2-ones with arylboronic acids/esters. The Suzuki methodology was found to be reliable in furnishing a wide range of 7-substituted products in high yields. A preliminary molecular modeling approach was used to assist in the design of new anti-microbials via the ligand-docking analyses of the TraR and LasR protein. A positive correlation was observed between the docking scores and biological activity and the methodology was further developed into an initial screening tool to filter potential active and non-active compounds. The newly synthesized compounds were analysed for their efficacy in reducing the expression of the Green Fluorescent Protein (GFP) in the presence of natural AHL signaling molecules in an AHL-monitor strain, indicative of the inhibition of bacterial phenotype expression. The dihydropyrrol-2-one class of compounds showed significant biological activity and this highlighted their potential for further development.
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Abaul-Lucrèce, Jacqueline. "Contribution à la connaissance chimique de deux Apocynacées antillaises : Tabernaemontana citrifolia L. et Rauvolfia biauriculata J. Müll : oligomères de l'indole, mode d'ouverture du cycle dihydroindole." Paris 11, 1988. http://www.theses.fr/1988PA112216.

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Ziffle, Vincent. "Synthesis of benzo-fused nitrogen heterocycles and substituted benzenes." Phd thesis, 2010. http://hdl.handle.net/10048/1009.

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The first chapter of this thesis represents the continued development of a general method for the formation of benzo-fused N-heterocycles by formal radical cyclization onto benzene rings. Important stages in this process involve 1) the copper-mediated coupling of various amino alcohols to protected p-iodophenols, 2) carbamate-protection of the resulting aryl secondary amine to allow the following oxidation step, 3) the oxidative formation of quinone ketals as radical acceptors, 4) the radical cyclization of pendant iodo-radical triggers onto the cross-conjugated ketone, and 5) the subsequent aromatization of the resulting products into benzo-fused N-heterocycles. Various protected 2,3-dihydroindolessome of which with 2-substitutionshave been synthesized using this methodology. For some examples, it was necessary to repeat the experiments of a previous group member to obtain publication-quality data. The second chapter describes a new methodology for the formation of regioselectively-substituted benzene rings. Various arene species have been synthesized in p-disubstituted, 1,2,4-trisubstituted and 1,2,3,4-tetrasubstituted arrays. Key steps in the methodology include 1) the synthesis of 1,4-diketones by alkylation of various aldehydes and their subsequent reduction and oxidation, 2) addition of organometallic alkenes to 1,4-diketones to form ring closing metathesis (RCM) precursors, and 3) RCM and subsequent aromatization of these cyclized products by double-dehydration to form the desired substituted benzenes. The macrocycle [12]-paracyclophane has also been synthesized using a modified version of the above methodology.
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Book chapters on the topic "Dihydroindolone"

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Dhanoa, D. S., S. W. Bagley, R. S. L. Chang, VJ Lotti, T. Chen, S. D. Kivlighn, G. Zingaro, P. K. S. Siegl, and W. J. Greenlee. "Nonpeptide angiotensin II (AII) receptor antagonists:N-substituted indole, dihydroindole,phenylaminophenylacetic acid and acylsulfonamide-based AII receptor antagonists." In Peptides, 296–98. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0683-2_95.

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