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Relevant bibliographies by topics / Naphthoquinone

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Academic literature on the topic 'Naphthoquinone'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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Journal articles on the topic "Naphthoquinone"

1

Córdova-Rivas, Sergio, Jorge Gustavo Araujo-Huitrado, Ernesto Rivera-Avalos, et al. "Differential Proliferation Effect of the Newly Synthesized Valine, Tyrosine and Tryptophan–Naphthoquinones in Immortal and Tumorigenic Cervical Cell Lines." Molecules 25, no. 9 (2020): 2058. http://dx.doi.org/10.3390/molecules25092058.

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We previously showed that microwave assisted synthesis is the best method for the synthesis of naphthoquinone amino acid and chloride-naphthoquinone amino acid derivatives by a complete evaluation of reaction conditions such as stoichiometry, bases, and pH influence. Following the same strategy, we synthesized chloride and non-chloride tyrosine, valine, and tryptophan-naphthoquinones achieving 85–95%, 80–92%, and 91–95% yields, respectively. The cyclic voltammetry profiles showed that both series of naphthoquinone amino acid derivatives mainly display one redox reaction process. Overall, chlor

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Buffinton, G. D., K. Öllinger, A. Brunmark, and E. Cadenas. "DT-diaphorase-catalysed reduction of 1,4-naphthoquinone derivatives and glutathionyl-quinone conjugates. Effect of substituents on autoxidation rates." Biochemical Journal 257, no. 2 (1989): 561–71. http://dx.doi.org/10.1042/bj2570561.

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DT-diaphorase catalysed the reduction of 1,4-naphthoquinones with hydroxy, methyl, methoxy and glutathionyl substituents at the expense of reducing equivalents from NADPH. The initial rates of quinone reduction did not correlate with either the half-wave reduction potential (E1/2) value (determined by h.p.l.c. with electrochemical detection against an Ag/AgCl reference electrode) or the partition coefficient of the quinones. After their reduction by DT-diaphorase the 1,4-naphthoquinone derivatives autoxidized at distinct rates, the extent of which was influenced by the nature of the substituen

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Liu, Rui, and Hong Li. "Structural Modification of 1,4-Naphthoquinone Molecule for Application in Dyeing." Advanced Materials Research 781-784 (September 2013): 979–82. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.979.

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Quinones are useful compounds as dye compounds and the 1,4-naphthoquinone structure constitutes an essential part of these classes of compounds. The process in constructing 1,4-naphthoquinone for possible screening as dyestuff is described, starting from 1,4-naphthoquinone and hydroxy acid. It provides a novel methodology for the synthesis of the 5-nitro-2-substituted 1,4-naphthoquinones. The products were characterized by IR and1H NMR.

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Rudnicka, Małgorzata, Michał Ludynia, and Waldemar Karcz. "Effects of Naphthazarin (DHNQ) Combined with Lawsone (NQ-2-OH) or 1,4-Naphthoquinone (NQ) on the Auxin-Induced Growth of Zea mays L. Coleoptile Segments." International Journal of Molecular Sciences 20, no. 7 (2019): 1788. http://dx.doi.org/10.3390/ijms20071788.

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Naphthoquinones, plants secondary metabolites are known for their antibacterial, antifungal, anti-inflammatory, anti-cancer and anti-parasitic properties. The biological activity of naphthoquinones is connected with their ability to generate reactive oxygen species and to modify biological molecules at their nucleophilic sites. In our research, the effect of naphthazarin (DHNQ) combined with 2-hydroxy-1,4-naphthoquinone (NQ-2-OH) or 1,4-naphthoquinone (1,4-NQ) on the elongation growth, pH changes of the incubation medium, oxidative stress and redox activity of maize coleoptile cells were inves

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Ma, Qinge, Rongrui Wei, and Zhipei Sang. "Structural Characterization and Hepatoprotective Activity of Naphthoquinone From Cucumis bisexualis." Natural Product Communications 15, no. 1 (2020): 1934578X2090289. http://dx.doi.org/10.1177/1934578x20902898.

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Three new naphthoquinones, namely 5,8-dihydroxy-7′-isopropyl-furan ring-1″-prenyl-naphthoquinone (1), 5,8-dihydroxy-7′-propenyl-furan ring-1″-isopropanol-naphthoquinone (2), and 5,8-dihydroxy-7′-isopropanol-furan ring-1″-(5″-hydroxyphenyl)-naphthoquinone (3), along with 10 known naphthoquinone derivatives (4-13) were isolated from Cucumis bisexualis for the first time. All the compounds were elucidated on the basis of spectroscopic data analysis and chemical evidence. Compounds (1-13) were evaluated for their hepatoprotective activites on human L-O2 cells. Among them, compounds 1, 4, and 8 exh

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Rivera-Ávalos, Ernesto, Denisse de Loera, Jorge Gustavo Araujo-Huitrado, et al. "Synthesis of Amino Acid–Naphthoquinones and In Vitro Studies on Cervical and Breast Cell Lines." Molecules 24, no. 23 (2019): 4285. http://dx.doi.org/10.3390/molecules24234285.

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We performed an extensive analysis about the reaction conditions of the 1,4-Michael addition of amino acids to 1,4-naphthoquinone and substitution to 2,3-dichloronaphthoquinone, and a complete evaluation of stoichiometry, use of different bases, and the pH influence was performed. We were able to show that microwave-assisted synthesis is the best method for the synthesis of naphthoquinone–amino acid and chloride–naphthoquinone–amino acid derivatives with 79–91% and 78–91% yields, respectively. The cyclic voltammetry profiles showed that both series of naphthoquinone–amino acid derivatives main

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Ríos, David, Jaime A. Valderrama, Miriam Cautin, et al. "New 2-Acetyl-3-aminophenyl-1,4-naphthoquinones: Synthesis and In Vitro Antiproliferative Activities on Breast and Prostate Human Cancer Cells." Oxidative Medicine and Cellular Longevity 2020 (September 26, 2020): 1–11. http://dx.doi.org/10.1155/2020/8939716.

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The reaction of 2-acyl-1,4-naphthoquinones with N,N-dimethylaniline and 2,5-dimethoxyaniline, promoted by catalytic amounts of CeCl3·7H2O under “open-flask” conditions, produced a variety of 2-acyl-3-aminophenyl-1,4-naphthoquinones structurally related to the cytotoxic 2-acetyl-3-phenyl-1,4-naphthoquinone, an inhibitor of the heat shock chaperone protein Hsp90. The members of the 2-acyl-3-aminophenyl-1,4-naphthoquinone series were isolated in good yields (63-98%). The cyclic voltammograms of the 2-acyl-3-aminophenyl-1,4-naphthoquinone exhibit two one-electron reduction waves to the correspondi

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Kumbhar, A. S., S. B. Padhye, Jitender, and R. K. Kale. "Naturally Occurring Hydroxy Napthoquinones and Their Iron Complexes as Modulators of Radiation Induced Lipid Peroxidation in Synaptosomes." Metal-Based Drugs 4, no. 5 (1997): 279–85. http://dx.doi.org/10.1155/mbd.1997.279.

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The modulation of radiation induced lipid peroxidation in synaptosomes by iron (II) and iron (III) complexes of two naturally occurring and therapeutically relevant naphthoquinones viz. 5,hydroxy-1,4 naphthoquinone; juglone and 2,hydroxy-1,4 naphthoquinone; lawsone, have been studied. At lower concentrations the complexes enhance lipid peroxidation predominantly through redox cycling as observed for Fe(II)- juglonate while at higher concentrations the complexes tend to limit lipid peroxidation through fast recombinations.

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Raspotnig, Günther, Felix Anderl, and Ronald M. Clouse. "The scent gland chemistry of neogoveid cyphophthalmids (Opiliones): an unusual methyljuglone from Metasiro savannahensis." Chemoecology 29, no. 5-6 (2019): 189–97. http://dx.doi.org/10.1007/s00049-019-00288-y.

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Abstract While the chemistries of scent gland secretions from a few selected species of three families of Cyphophthalmi, namely Sironidae, Pettalidae, and Stylocellidae, have already been reported and found to consist of complex blends of naphthoquinones and methyl ketones, nothing is known about the other families. We here report on the secretions of Metasiro savannahensis Clouse and Wheeler (Zootaxa 3814:177–201, 2014), a first representative of the family Neogoveidae. The secretions from males, females and one juvenile were extracted and analyzed by gas chromatography–mass spectrometry. Twe

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Saralaya, Sanjay Sukumar, and Shridhara Kanakamajalu. "A Systematic Exfoliation of Prior Arts About The Use of Natural and Synthesized 1,4-Naphthoquinones Towards Corrosion Inhibition." Walisongo Journal of Chemistry 7, no. 2 (2024): 143–67. https://doi.org/10.21580/wjc.v7i2.22657.

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In this review segment, use of natural and synthesized 1,4-naphthoquinones for corrosion inhibition was comprehensively covered based on the past research disclosures. The prior arts were gathered from various research article repositories by the use of search terms like ‘Quinonoids as corrosion inhibitors’ and ‘1,4-Napthoquinones as corrosion inhibitors’ as a part of direct referencing. Additionally, back and cross referencing were also done to ensure the complete collection of prior arts. This work will help the researchers to understand the credibility of 1,4-naphthoquinones as corrosion in

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Dissertations / Theses on the topic "Naphthoquinone"

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Jones, Karen. "The basis for naphthoquinone and biguanide synergy." Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368631.

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Musa, Yusuf. "Studies of 1,2-naphthoquinone mono-oximato complexes." Thesis, London Metropolitan University, 1991. http://repository.londonmet.ac.uk/3286/.

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The synthesis of 1,2-naphthoquinone I-oxime and 1,2- naphthoquinone 2-oxina complexes of rhodium and Iridium has been Investigated. In the case of rhodium, complexes of the type Rh(l-nqo)3 have been prepared by reacting 1 ,2-naphthoquinone 1-oxime with hydrated rhodium(III) chloride. Both products ware obtained as mixtures of isomers. The Interaction of 1,2- naphthoquinone 2-oxime with rhodium(lll) chloride yielded Rh(2-nqo)3 also as a mixture of Isomers. The trichelates were also obtained from the nitrosation of the appropriate naphthol in the presence of rhodium(Ill) chloride. In contrast, t

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Stoten, William C. "1,2-naphthoquinone mono-oximato complexes of ruthenium." Thesis, London Metropolitan University, 1988. http://repository.londonmet.ac.uk/3429/.

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The ruthenium(II) complexes Ru(nqo)2 (nqoH = 1,2-naphthoqulnona 1-oxima, or 2-oxima) were prepared by the interaction of the sodium salts of the 112-naphthoquinone mono-oximes with hydrated ruthenium(III) chloride in aqueous tetrahydrofuran.

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Fisher, Kimberly D. "Thermal rearrangement of 4-aryl-4-hydroxy-2-cyclobuten-1-ones and application of the methodology in the formation of benzofuronaphthoquinones and benzocarbazolequinones." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5872.

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Thesis (Ph. D.)--West Virginia University, 2008.<br>Title from document title page. Document formatted into pages; contains xvi, 200 p. : ill. Includes abstract. Includes bibliographical references (p. 95-97).

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De, Koning Charles Bernard. "The syntheses of some naturally derived naphthoquinones." Doctoral thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/22000.

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Bibliography: pages 193-195.<br>The synthesis of the naphthalene core of the ansamycin antibiotics, 8-acetyl-3-acetylamino-5,7-dihydroxy-1,4-naphthoquinone from benzoquinone by means of simple reactions including, Diels-Alder adduct formation, mild acetylation, oxime formation and Beckmann rearrangement in five steps with an overall yield of 22% is described in Chapter 1. The synthesis of the naturally occurring naphthoquinone derivative, possessing anti tumour and antiprotozoal properties, bikaverin is described in Chapter 2. Starting from vanillin the key intermediate 2-(2'-benzyloxy-6'-meth

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Song, Ronghui. "Synthesis, Characterization and Antimicrobial Properties of Novel Naphthoquinone Derivatives." Kent State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=kent1586783242508385.

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Bapela, Mahwahwatse Johanna. "Variation of active constituents in Euclea natalensis based on seedling stages, seasons, and fertilizers." Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-06262008-095522/.

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Brenstrum, Timothy James. "Studies towards the synthesis of medermycin." Phd thesis, Department of Organic Chemistry, 1999. http://hdl.handle.net/2123/8846.

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Yatchang, Marina Fosso. "Synthesis and Biological Activity of Aminoglycosides and 1,4-Naphthoquinone Derivatives." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1371.

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The research described in this dissertation is at the interface of organic chemistry and biology, and it aimed at designing and synthesizing biologically active molecules for the possible development of therapeutic agents. Spinal muscular atrophy is an incurable disease that affects 1 in every 6000 babies, making it the leading genetic cause of infant mortality. While no treatment is available, efforts are being taken to solve this issue. Part of the work outlined in this dissertation was carried out in collaboration with researchers from the University of Missouri to investigate a potential t

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Mahmood, Tariq. "Aspects of the chemistry of 1,4-naphthoquinones : an investigation of nucleophilic substitution reactions of alkylamines and hydroxyalyklamines on 1,4 napthoquinones and the role of solvent on the position of substitution." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5746.

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Nucleophilic substitution reactions of alkylamines, cyclic alkylamines, and hydroxyalkylamines with 5-substituted-1,4-naphthoquinones have been studied. It has been found that the nature of the solvent employed in the reaction influences the position of mono-substitution at either the 2- or 3-position. Although both regioisomers were produced in all the reactions, protic polar solvents favoured the formation of the 3-regioisomer, whereas non-protic solvents favoured the formation of the 2-regioisomer. It has also been found that formation of 2,3-diaminoalkyl derivatives is normally unlikely. A

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Books on the topic "Naphthoquinone"

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Perry, Philip J. Synthesis and biological evaluation of novel cytotoxic heterocyclic compounds: Furo (2,3-b) naphthoquinones and 2-aryl-4H-3,1-benzoxazin-4-ones. De Montfort University, 1996.

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Stoten, William C. 1,2-naphthoquinone mono-oximato complexes of ruthenium. 1988.

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Musa, Yusuf. Studies of 1,2-naphthoquinone mono-oximato complexes. 1991.

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1,4-Naphthochinon. S. Hirzel, 1999.

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Spektry pogloshchenii͡a︡ proizvodnykh 1,2 i 1,4--naftokhinonov v infrakrasnoĭ, ulʹtrafioletovoĭ i vidimoĭ oblasti͡a︡kh. Novosibirskiĭ institut organicheskoĭ khimii SO AN SSSR, 1985.

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Edited by: H. J. Arpe. Antidiabetic Drugs to Benzoquinone and Naphthoquinone Dyes, Volume A3, Ullmann's Encyclopedia of Industrial Chemistry. 5th ed. Wiley-VCH, 1985.

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Ullman's Encyclopedia of Industrial Chemistry. Vol A3 Antidiabetic drugs to benzoquinone and naphthoquinone dyes. 5th ed. VCH, 1985.

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Fernando De Carvalho Da Silva, David Rodrigues Da Rocha, Luana Da Silva Magalhães Forezi, Mariana Filomena Do Carmo Cardoso, and Vitor Francisco Ferreira. Synthesis and Anticancer Activity of Low Molecular Weight Naphthoquinones. Elsevier Science & Technology Books, 2019.

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Legendre, Laurent, and Douglas W. Darnowski. Biotechnology with carnivorous plants. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198779841.003.0020.

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Several carnivorous plant families have been a source of medicine for centuries in many parts of the world. Research into their active ingredients have revealed that they include naphthoquinones, flavonoids, phenolic acid derivatives, goodyerosides, iridoids, and phenylpropanoids. Many aspects of their industrial production have been optimized, including plant elicitation, plant genetic modification, and plant in vitro culture to limit the collect of wild material. The currently most active biotechnological developments are related directly to their carnivorous nature. These include the hetero

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Book chapters on the topic "Naphthoquinone"

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Cui, Jia-hua, and Shao-shun Li. "Naphthoquinone Constituents of Anticancer Terrestrial Plants." In Plants That Fight Cancer. CRC Press, 2019. http://dx.doi.org/10.1201/9780429056925-4.

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Winkelmann, Jochen. "Diffusion coefficient of 2-methyl-1,4-naphthoquinone in cyclohexane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_743.

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Winkelmann, Jochen. "Diffusion coefficient of 2-methyl-1,4-naphthoquinone in hexane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_744.

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Winkelmann, Jochen. "Diffusion coefficient of 2-methyl-1,4-naphthoquinone in dodecane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_745.

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Winkelmann, J. "Diffusion of 2-methyl-1,4-naphthoquinone (1); carbon dioxide (2)." In Gases in Gases, Liquids and their Mixtures. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_1313.

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Winkelmann, Jochen. "Diffusion coefficient of 2-methyl-3-phytyl-1,4-naphthoquinone in hexane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_1027.

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Linares, Marcela, Maria De Bertorello, and Marcela Longhi. "Solubility of a Isoxazolyl-Naphthoquinone by Complexation with Hydroxypropyl-ß-Cyclodextrin." In Proceedings of the Ninth International Symposium on Cyclodextrins. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4681-4_48.

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Winkelmann, J. "Diffusion of 2-methyl-3-phytyl-1,4-naphthoquinone (1); carbon dioxide (2)." In Gases in Gases, Liquids and their Mixtures. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_1361.

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Winkelmann, J. "Diffusion of 2-methyl-1,4-naphthoquinone (1); carbon dioxide (2); hexane (3)." In Gases in Gases, Liquids and their Mixtures. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_1711.

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Milton, Ross D. "FAD-Dependent Glucose Dehydrogenase Immobilization and Mediation Within a Naphthoquinone Redox Polymer." In Enzyme Stabilization and Immobilization. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-6499-4_15.

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Conference papers on the topic "Naphthoquinone"

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Burylova, A. L., Yu E. Sabutsky, and E. S. Menchinskaya. "BIOLOGICAL ACTIVITY OF THIOGLYCOSIDE DERIVATIVES OF 1,4-NAPHTHOQUINONE*." In XI МЕЖДУНАРОДНАЯ КОНФЕРЕНЦИЯ МОЛОДЫХ УЧЕНЫХ: БИОИНФОРМАТИКОВ, БИОТЕХНОЛОГОВ, БИОФИЗИКОВ, ВИРУСОЛОГОВ, МОЛЕКУЛЯРНЫХ БИОЛОГОВ И СПЕЦИАЛИСТОВ ФУНДАМЕНТАЛЬНОЙ МЕДИЦИНЫ. IPC NSU, 2024. https://doi.org/10.25205/978-5-4437-1691-6-222.

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Cancer encompasses a group of pathologies with common characteristics, high frequency and prevalence worldwide. One technique that could lead to the development of new anticancer drugs is the use of 1,4-naphthoquinones as a base in synthetic or natural products with biological activity. The aim of the study was to study the antitumor activity of thioglycoside derivatives of 1,4-naphthoquinone against the HeLa cell line of cervical cancer.

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Aramaki, Shinji, Yuko Okamoto, Tetsuo Murayama, and Yuji Kubo. "Novel naphthoquinone methide dyes for poled polymers." In SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, edited by Gustaaf R. Moehlmann. SPIE, 1994. http://dx.doi.org/10.1117/12.187501.

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Oliveira, Alex Antonio de, and Carlos Kleber Z. Andrade. "Synthesis of naphthoquinone derivatives with potential pharmacological activity." In 14th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0323-2.

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Poliuzhyn, Ihor, Oksana Smirnova, and Yosyp Yatchyshyn. "Thin Layer Chromatography for Some Derivatives of 1,4-Naphthoquinone." In International Youth Science Forum “Litteris et Artibus”. Lviv Polytechnic National University, 2018. http://dx.doi.org/10.23939/lea2018.01.162.

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Koshiba, Mitsunobu, Makoto Murata, Mariko Matsui, and Yoshiyuki Harita. "Thermally Induced And Base Catalyzed Reactions Of Naphthoquinone Diazides." In 1988 Microlithography Conferences, edited by Scott A. MacDonald. SPIE, 1988. http://dx.doi.org/10.1117/12.968337.

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SILVA, Andrei Marcelino Sá Pires, Edna Aparecida Faria de ALMEIDA, and Jorge Fernando Silva de MENEZES. "EXTRACTION, PURIFICATION, AND COMBINATION OF LAPACHOL IN NOVEL EUROPIUM COMPLEX." In SOUTHERN BRAZILIAN JOURNAL OF CHEMISTRY 2021 INTERNATIONAL VIRTUAL CONFERENCE. DR. D. SCIENTIFIC CONSULTING, 2022. http://dx.doi.org/10.48141/sbjchem.21scon.38_abstract_silva.pdf.

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Lapachol belongs to the group of 1,4-naphthoquinones, with the addition of a hydroxide group attached to carbon 2 and a branched alkene nomenclature 3-methyl-2-butenyl attached to carbon 3, with final nomenclature 2-hydroxy-3 -(3-methyl-2-butenyl)-1,4-naphthoquinone. As a chromophore, it exhibits near-ultraviolet absorption, one of the important characteristics in the process of choosing ligands to integrate photoluminescent lanthanide complexes. Photoluminescent materials are currently widely used in the market for making plates, paints, plates, tapes, pigments, and other luminescent equipmen

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Diogo, Emilay B. T., a. Gleiston G. Dias, Wagner O. Valença, et al. "Synthesis and evaluation against Trypanosoma cruzi of naphthoquinone-containing triazoles." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_20139517918.

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"Computer prediction of biological activity of 1,2,4-triazole derivatives of 1,4-naphthoquinone." In Chemical technology and engineering. Lviv Polytechnic National University, 2021. http://dx.doi.org/10.23939/cte2021.01.032.

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Dias, Flaviana Rodrigues Fintelman, Vitor Francisco Ferreira, Vinícius Rangel Campos, Raquel C. Montenegro, Maria Cecília B. V. de Souza, and Anna Claudia Cunha. "Synthesis of a new class of 2-bromo-3-amino-1,4- naphthoquinone glycoconjugates." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_2013821131741.

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Hussein, YasserH A., Velautham Sivakumar, Marwa Elazazy, and Karuppasamy Ganesh. "Synephrine as Antioxidant: Application in Quenching of Photo Induced Radical of Anthraquinone and Naphthoquinone." In Qatar Foundation Annual Research Conference Proceedings. Hamad bin Khalifa University Press (HBKU Press), 2016. http://dx.doi.org/10.5339/qfarc.2016.hbpp2032.

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