Relevant bibliographies by topics / Naphtoic acid

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  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Naphtoic acid'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Naphtoic acid"

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Lange, Marianne, Tim Tolker-Nielsen, Søren Molin, and Birgitte K. Ahring. "In Situ Reverse Transcription-PCR for Monitoring Gene Expression in Individual Methanosarcina mazei S-6 Cells." Applied and Environmental Microbiology 66, no. 5 (2000): 1796–800. http://dx.doi.org/10.1128/aem.66.5.1796-1800.2000.

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ABSTRACT An in situ reverse transcription-PCR protocol for detecting specific mRNA in Methanosarcina mazei S-6 is described. This method allowed us to detect heat shock-induced increases in the intracellular levels of the transcript of the universal stress genednaK. The cell walls of paraformaldehyde-fixed cells were permeabilized by a thermal cycling procedure or by lysozyme treatment, and the cellular DNA was removed with DNase. The cells were subjected to a seminested reverse transcription-PCR protocol in which a digoxigenin-labeled primer was used. Detection of the reporter molecule was ba
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Nguyen, Thi Thoa, Thanh Binh Pham, Nguyen Phuong Thao, et al. "Phenolic Constituents from Fallopia multiflora (Thunberg) Haraldson." Journal of Chemistry 2018 (August 6, 2018): 1–5. http://dx.doi.org/10.1155/2018/4851439.

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Four naphtolic glycosides (1–4), three anthraquinones (5–7), two stilbenes (8-9), one benzyl glycoside (10), and one flavonoid (11) were isolated from the roots of Fallopia multiflora. The new compounds were elucidated to be 6-hydroxymusizin 8-O-α-D-apiofuranosyl-(1→6)-β-D-glucopyranoside (1) and 6-methoxy-3-methyl-1,6,8-trihydroxy-2-naphthoic acid 8-O-β-D-glucopyranoside (3). Compound 3 could be an important marker for chemotaxonomy of F. multiflora. Benzyl gentiobioside (10) was isolated for the first time from the family Polygonaceae.
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Meckenstock, Rainer U., Eva Annweiler, Walter Michaelis, Hans H. Richnow, and Bernhard Schink. "Anaerobic Naphthalene Degradation by a Sulfate-Reducing Enrichment Culture." Applied and Environmental Microbiology 66, no. 7 (2000): 2743–47. http://dx.doi.org/10.1128/aem.66.7.2743-2747.2000.

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ABSTRACT Anaerobic naphthalene degradation by a sulfate-reducing enrichment culture was studied by substrate utilization tests and identification of metabolites by gas chromatography-mass spectrometry. In substrate utilization tests, the culture was able to oxidize naphthalene, 2-methylnaphthalene, 1- and 2-naphthoic acids, phenylacetic acid, benzoic acid, cyclohexanecarboxylic acid, and cyclohex-1-ene-carboxylic acid with sulfate as the electron acceptor. Neither hydroxylated 1- or 2-naphthoic acid derivatives and 1- or 2-naphthol nor the monoaromatic compounds ortho-phthalic acid, 2-carboxy-
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Ptáček, Aleš, and Jiří Kulič. "Effect of OH- Concentration on Alkaline Hydrolysis of Diphenyl (4-Nitrophenyl) Phosphate Catalyzed by 2-Iodosobenzoic and 3-Iodoso-2-naphthoic Acids." Collection of Czechoslovak Chemical Communications 59, no. 5 (1994): 1137–44. http://dx.doi.org/10.1135/cccc19941137.

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The hydrolysis of diphenyl (4-nitrophenyl) phosphate catalyzed by 2-iodosobenzoic and 3-iodoso-2-naphthoic acids has been studied at different pH values in the presence of hexadecyltrimethylammonium bromide as a micellar agent. It was found that 3-iodoso-2-naphthoic acid is better catalyst than 2-iodosobenzoic acid. At amounts of the acids higher than stoichiometric, the reaction is independent of pH in the 8.00 to 10.00 region while on using substoichiometric amounts, the reaction rate depends on OH- ion concentration only when the acid to diphenyl (4-nitrophenyl) phosphate molar ratio amount
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Pařík, Patrik, and Miroslav Ludwig. "Acid-Base Properties of Substituted Naphthoic Acids in Nonaqueous Media." Collection of Czechoslovak Chemical Communications 62, no. 11 (1997): 1737–46. http://dx.doi.org/10.1135/cccc19971737.

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Thirteen substituted 1-naphthoic acids have been prepared and their dissociation constants, along with those of twenty-five substituted 2-naphthoic acids, have been measured potentiometrically in methanol, N,N-dimethylformamide, pyridine, and acetonitrile. The pKHA values obtained have been treated by linear regression using four sets of substituent constants. The experimental data have also been interpreted by statistical methods using latent variables. The first latent variable calculated by these methods can be used as a new set of substituent constants for describing substituent effects in
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Deck, Lorraine, Jacob Greenberg, Lisa Whalen, David Vander Jagt, and Robert Royer. "Synthesis of Naphthoic Acids as Potential Anticancer Agents." Synlett 30, no. 01 (2018): 104–8. http://dx.doi.org/10.1055/s-0037-1611342.

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As part of ongoing research to investigate structural requirements for lactate dehydrogenase inhibition by highly substituted naphthoic acids, nine new aryl-substituted dihydroxynaphthoic acids were synthesized from three known precursors. Described here are efficient preparations of the 1-naphthoic acid target compounds by using Suzuki coupling reactions, formylations, oxidations, and demethylations. Lactate dehydrogenase inhibition studies conducted with five of the compounds revealed values of the inhibitory constant K i in the low micromolar range.
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Song, Yuan Jun, Chun Zhang, and Jing Jing Li. "The Purification and Analysis of 6 - Hydroxy -2 - Naphthoic Acid." Advanced Materials Research 602-604 (December 2012): 1391–95. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.1391.

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When synthetizing 2 - hydroxy - 6 - naphthoic acid with 2 - naphthol as raw material , we use a variety of methods to characterize and analyze the intermediates and target product . Through melting point method, the melting point of HNA we synthetized is showed to be slightly lower than standard samples. High performance liquid chromatographic shows that the purity of 2 - methoxy - 6 - naphthoic acid 2 - hydroxy - 6 - naphthoic acid reach up to 81.98% and 99.0% respectively. The purity of 2-hydroxyl-6-naphthoic acid is showed to be 97.1% with ultraviolet spectrophotometry.
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Deveryshetty, Jaigeeth, and Prashant S. Phale. "Biodegradation of phenanthrene by Pseudomonas sp. strain PPD: purification and characterization of 1-hydroxy-2-naphthoic acid dioxygenase." Microbiology 155, no. 9 (2009): 3083–91. http://dx.doi.org/10.1099/mic.0.030460-0.

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Pseudomonas sp. strain PPD can metabolize phenanthrene as the sole source of carbon and energy via the ‘phthalic acid’ route. The key enzyme, 1-hydroxy-2-naphthoic acid dioxygenase (1-HNDO, EC 1.13.11.38), was purified to homogeneity using a 3-hydroxy-2-naphthoic acid (3-H2NA)-affinity matrix. The enzyme was a homotetramer with a native molecular mass of 160 kDa and subunit molecular mass of ∼39 kDa. It required Fe(II) as the cofactor and was specific for 1-hydroxy-2-naphthoic acid (1-H2NA), with K m 13.5 μM and V max 114 μmol min−1 mg−1. 1-HNDO failed to show activity with gentisic acid, sali
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Annweiler, Eva, Arne Materna, Michael Safinowski, et al. "Anaerobic Degradation of 2-Methylnaphthalene by a Sulfate-Reducing Enrichment Culture." Applied and Environmental Microbiology 66, no. 12 (2000): 5329–33. http://dx.doi.org/10.1128/aem.66.12.5329-5333.2000.

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ABSTRACT Anaerobic degradation of 2-methylnaphthalene was investigated with a sulfate-reducing enrichment culture. Metabolite analyses revealed two groups of degradation products. The first group comprised two succinic acid adducts which were identified as naphthyl-2-methyl-succinic acid and naphthyl-2-methylene-succinic acid by comparison with chemically synthesized reference compounds. Naphthyl-2-methyl-succinic acid accumulated to 0.5 μM in culture supernatants. Production of naphthyl-2-methyl-succinic acid was analyzed in enzyme assays with dense cell suspensions. The conversion of 2-methy
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Annweiler, Eva, Walter Michaelis, and Rainer U. Meckenstock. "Identical Ring Cleavage Products during Anaerobic Degradation of Naphthalene, 2-Methylnaphthalene, and Tetralin Indicate a New Metabolic Pathway." Applied and Environmental Microbiology 68, no. 2 (2002): 852–58. http://dx.doi.org/10.1128/aem.68.2.852-858.2002.

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ABSTRACT Anaerobic degradation of naphthalene, 2-methylnaphthalene, and tetralin (1,2,3,4-tetrahydronaphthalene) was investigated with a sulfate-reducing enrichment culture obtained from a contaminated aquifer. Degradation studies with tetralin revealed 5,6,7,8-tetrahydro-2-naphthoic acid as a major metabolite indicating activation by addition of a C1 unit to tetralin, comparable to the formation of 2-naphthoic acid in anaerobic naphthalene degradation. The activation reaction was specific for the aromatic ring of tetralin; 1,2,3,4-tetrahydro-2-naphthoic acid was not detected. The reduced 2-na
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Dissertations / Theses on the topic "Naphtoic acid"

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Phale, Prashant S. "Biodegradation Of 1-Naphthoic Acid." Thesis, Indian Institute of Science, 1994. http://hdl.handle.net/2005/91.

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Polycyclic aromatic hydrocarbons (PAHs) are compounds containing carbon and hydrogen atoms of fused benzene rings in linear, angular or cluster arrangements. These compounds have a large (negative) resonance energy, resulting in a thermodynamically stable structures. PAHs may also contain alkyl- and nitro-substituent groups. The complexity in these molecules can be generated by substituting the aromatic carbon atom with nitrogen, oxygen or sulfur, giving rise to heterocyclic PAHs.
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Gorrino, Vicandi Maria Teresa. "The metabolism of 2-naphthoic acid by a soil pseudomonad." Thesis, Imperial College London, 1988. http://hdl.handle.net/10044/1/47083.

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Santos, Ronaldo Gonçalves dos. "Avaliação da molhabilidade de superficies de oleodutos atraves de medidas de angulo de contato : efeito de aslfaltenos e de acidos naftenicos." [s.n.], 2003. http://repositorio.unicamp.br/jspui/handle/REPOSIP/267190.

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Orientadores: Rahoma Sadeg Mohamed, Watson Loh<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica<br>Made available in DSpace on 2018-08-06T20:10:23Z (GMT). No. of bitstreams: 1 Santos_RonaldoGoncalvesdos_M.pdf: 2592752 bytes, checksum: 0b29b2d43cb92bfcf2b5329b8efb1f8c (MD5) Previous issue date: 2003<br>Resumo: O alto custo de produção e transporte dos óleos pesados é a principal barreira para a exploração das suas abundantes reservas mundiais. Tecnologias de fluxo de petróleo em oleodutos baseadas no confinamento do óleo em uma seção anular aquosa
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4

Mammeri, Malika. "Synthèses de la 7-méthyl-2-tétralone et du 2-méthoxy-6-méthyl naphtalène. Synthèse d'acides α, β-éthyléniques de configuration cis". Rouen, 1998. http://www.theses.fr/1998ROUES085.

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La 7-méthyl-2-tétralone a été synthétisée selon deux voies d'approche faisant intervenir des réactifs à groupements 4-anisole et 4-tolyle. La première voie a permis de construire le squelette carbocycle à partir d'un cycle aromatique introduit au départ par le p-tolyle, tandis que la seconde voie, à l'inverse a permis la construction du cycle aromatique à partir d'un composé à groupement anisyle, le chlorure de p-méthoxybenzyle, précurseur du carbocycle. Quatre nouvelles voies de synthèse au 2-méthoxy-6-méthyl naphtalène ont été mises au point. Chacune des méthodes permet l'accès rapide à ce c
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5

Nguyen, Thi Thanh Thuy. "Métallation chimiosélective des azobenzènes. Substitution nucléophile aromatique des acides naphtoïques en présence de ligands chiraux." Thesis, Le Mans, 2014. http://www.theses.fr/2014LEMA1035.

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Cette thèse comporte deux parties indépendantes. La première étude présente les premiers exemples de métallation de la structure azobenzène par les réactifs organométalliques polaires. Largement utilisés en tant que colorants, les azobenzènes trouvent actuellement de nombreuses applications dans le domaine des matériaux en raison de leur facile photoisomerisation E/Z. Il est montré que les bases organométalliques polaires classiques (n-BuLi, n-BuLi/TMEDA, n-BuLi/t-BuOK, TMPMgCl.LiCl, LDA) ne métallent pas l’azobenzène parent mais réduisent plutôt la liaison N=N. Cependant la métallation est po
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Aissaoui, Regadia. "Réaction de substitution nucléophile aromatique des acides naphtoïques ortho-fluorés/méthoxylés avec les réactifs de Grignards et les organolithiens (SNArAB)." Phd thesis, Université du Maine, 2012. http://tel.archives-ouvertes.fr/tel-00684960.

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Dans ce travail, il est montré que les alkyl/vinyl/aryl lithiens et magnésiens réagissentavec les acides C-1(F/OMe) naphtoïques en l'absence de catalyseur métallique. Cette nouvelleréaction de substitution nucléophile aromatique permet potentiellement de préparer n'importequel biaryle tout en s'affranchissant des étapes de protection et de déprotection de la fonctionacide (CO2H). Les alkyllithiens linéaires et ramifiés réagissent avec la même efficacité que lesalkylmagnésiens même à basse température (-78 °C). Le déplacement d'un fluor ou d'unméthoxy s'effectue avec la même facilité. L'absence
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David, Gaspard. "Nanostructures de surface obtenues par dépôt de films minces à base d'assemblage supramoléculaire de copolymères blocs." Thèse, 2008. http://hdl.handle.net/1866/7815.

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Book chapters on the topic "Naphtoic acid"

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"α-Naphthoic Acid." In Handbook of Acid-Base Indicators. CRC Press, 2007. http://dx.doi.org/10.1201/9780849382192-16.

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