Academic literature on the topic 'Aromatic compounds hydroxylation'

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Journal articles on the topic "Aromatic compounds hydroxylation"

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Ullrich, René, and Martin Hofrichter. "Enzymatic hydroxylation of aromatic compounds." Cellular and Molecular Life Sciences 64, no. 3 (2007): 271–93. http://dx.doi.org/10.1007/s00018-007-6362-1.

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Abood, Amira, Ahmed Al-Fahad, Alan Scott, et al. "Kinetic characterisation of the FAD dependent monooxygenase TropB and investigation of its biotransformation potential." RSC Advances 5, no. 62 (2015): 49987–95. http://dx.doi.org/10.1039/c5ra06693j.

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SAFARI, NASSER, FARZAD BAHADORAN, MOHAMMAD REZA HOSEINZADEH, and REZA GHIASI. "Cytochrome P-450 model reaction: effects of substitution on the rate of aromatic hydroxylation." Journal of Porphyrins and Phthalocyanines 04, no. 03 (2000): 285–91. http://dx.doi.org/10.1002/(sici)1099-1409(200004/05)4:3<285::aid-jpp215>3.0.co;2-r.

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The study of haemin-catalysed oxidation reactions was extended to substituted aromatic rings. Both electron-donating and electron-withdrawing substituents on aromatic rings act as para- and meta-directing agents in the presence of tetrakis(2,6-dichlorophenyl)porphyrin iron(III) chloride as catalyst and m-chloroperbenzoic acid as oxidant. A new kinetic method for measuring relative rates of epoxidation of alkenes and related compounds has been developed; while steric hindrance results in decreasing the rate of hydroxylation, electron-rich and electron-withdrawing substituents were found to incr
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Capocasa, Giorgio, Giorgio Olivo, Alessia Barbieri, Osvaldo Lanzalunga, and Stefano Di Stefano. "Direct hydroxylation of benzene and aromatics with H2O2 catalyzed by a self-assembled iron complex: evidence for a metal-based mechanism." Catalysis Science & Technology 7, no. 23 (2017): 5677–86. http://dx.doi.org/10.1039/c7cy01895a.

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Holland, Herbert L., Benito Munoz, and Timothy R. B. Jones. "Side chain hydroxylation of aromatic compounds by fungi." Bioorganic Chemistry 16, no. 4 (1988): 388–93. http://dx.doi.org/10.1016/0045-2068(88)90024-7.

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Neufeld, Katharina, Jan Marienhagen, Ulrich Schwaneberg, and Jörg Pietruszka. "Benzylic hydroxylation of aromatic compounds by P450 BM3." Green Chemistry 15, no. 9 (2013): 2408. http://dx.doi.org/10.1039/c3gc40838h.

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Knack, Daniel, Corina Hagel, Maciej Szaleniec, Agnieszka Dudzik, Aleksander Salwinski, and Johann Heider. "Substrate and Inhibitor Spectra of Ethylbenzene Dehydrogenase: Perspectives on Application Potential and Catalytic Mechanism." Applied and Environmental Microbiology 78, no. 18 (2012): 6475–82. http://dx.doi.org/10.1128/aem.01551-12.

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ABSTRACTEthylbenzene dehydrogenase (EbDH) catalyzes the initial step in anaerobic degradation of ethylbenzene in denitrifying bacteria, namely, the oxygen-independent hydroxylation of ethylbenzene to (S)-1-phenylethanol. In our study we investigate the kinetic properties of 46 substrate analogs acting as substrates or inhibitors of the enzyme. The apparent kinetic parameters of these compounds give important insights into the function of the enzyme and are consistent with the predicted catalytic mechanism based on a quantum chemical calculation model. In particular, the existence of the propos
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MATSUBARA, Yoshio, Shunji UEZAWA, Makoto MORISAWA, Masakuni YOSHIHARA, and Toshihisa MAESHIMA. "Direct Hydroxylation of Aromatic Compounds Using Heterogeneous Catalytic Systems." KOBUNSHI RONBUNSHU 50, no. 8 (1993): 641–44. http://dx.doi.org/10.1295/koron.50.641.

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Jingjit, U., C. Bouchoule, M. Blanchard, and P. Canesson. "Oxygen activation at room temperature : hydroxylation of aromatic compounds." Catalysis Today 1, no. 1-2 (1987): 81–91. http://dx.doi.org/10.1016/0920-5861(87)80029-9.

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Das, Vijay Kumar, Satyabrat Gogoi, Boyapati Manoranjan Choudary, and Niranjan Karak. "A promising catalyst for exclusive para hydroxylation of substituted aromatic hydrocarbons under UV light." Green Chemistry 19, no. 18 (2017): 4278–83. http://dx.doi.org/10.1039/c7gc01653k.

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Herein, we describe a waterborne polymer/carbon dot nanocomposite system as an efficient, resourceful and sustainable photocatalyst for para-selective hydroxylation of substituted aromatic compounds using H<sub>2</sub>O<sub>2</sub> under UV light.
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Dissertations / Theses on the topic "Aromatic compounds hydroxylation"

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Gqogqa, Pumeza. "Hydroxylation of aromatic compounds over zeolites." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2564.

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Thesis (MScEng (Process Engineering))--University of Stellenbosch, 2009.<br>Aromatic precursor compounds are derivatives that play an important role in biosystems and are useful in the production of fine chemicals. This work focuses on the catalytic synthesis of 2-methyl-1, 4-naphthoquinone and cresols (para- and ortho) using aqueous hydrogen peroxide as an oxidant in liquidphase oxidation of 2-methylnaphthalene and toluene over titanium-substituted zeolite TS-1 or Ti-MCM-41. Catalysts synthesised in this work were calcined at 550°C, extensively characterised using techniques such as X-
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Deng, Yifan. "Flavin-dependent hydroxylation of aromatic compounds." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS601.

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Le marché mondial des enzymes industrielles, estimé à 17 milliards USD en 2025, continue à croître. La forte demande attire de plus en plus l'attention en raison des avantages de ces enzymes à efficacité élevée, faible coût et respect de l'environnement. Les biocatalyseurs sont développés en raison de la demande dans les domaines pharmaceutique, de la recherche, de la biotechnologie et du diagnostic. L'objectif de ce projet est de réaliser un système in vitro capable de catalyser une réaction d'hydroxylation aromatique. Ce projet est principalement divisé en deux parties. Après une introductio
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Rautenbach, Daniel. "The electrochemical hydroxylation of aromatic substrates." Thesis, Port Elizabeth Technikon, 2002. http://hdl.handle.net/10948/94.

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The electrochemical hydroxylation of aromatic substrates was investigated in some detail, with the view to develop a method, which could produce dihydroxybenzenes in acceptable yields. Of particular interest was the selectivity and yield of the 1,4-dihydroxybenzenes. Two distinctly different methods were investigated in order to achieve this goal, acyloxylation and direct electrochemical hydroxylation. Acyloxylation is the process where radical cations generated at the anode undergoes nucleophilic attack by acetate anions. The resulting aromatic acetates so produced can then be hydrolysed to t
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Mamontov, Alexander. "Hydroxylation et halogénation directe et sélective des composés azotés en milieu superacide." Thesis, Poitiers, 2018. http://www.theses.fr/2018POIT2267.

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La fonctionnalisation tardive de molécules (Late stage functionalization – LSF) offre l’opportunité d’explorer l’espace chimique plus efficacement, en particulier en considérant les liaisons C-H aromatiques comme des points potentiels de diversification pour générer de nouveaux analogues directement en une seule étape au lieu de faire une synthèse totale dite de novo. La fonctionnalisation directe de composés élaborés peut en particulier se faire en utilisant la technologie superacide comme démontré par les nombreux travaux du professeur Jacquesy. L’un des meilleurs exemples de cette stratégie
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Zhang, Chun. "Study of Genes Relating To Degradation of Aromatic Compounds and Carbon Metabolism in Mycobacterium Sp. Strain KMS." DigitalCommons@USU, 2013. http://digitalcommons.usu.edu/etd/1532.

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Polycyclic aromatic hydrocarbons, produced by anthropological and natural activities, are hazardous through formation of oxidative radicals and DNA adducts. Growth of Mycobacterium sp. strain KMS, isolated from a contaminated soil, on the model hydrocarbon pyrene induced specific proteins. My work extends the study of isolate KMS to the gene level to understand the pathways and regulation of pyrene utilization. Genes encoding pyrene-induced proteins were clustered on a 72 kb section on the KMS chromosome but some also were duplicated on plasmids. Skewed GC content and presence of integrase and
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Book chapters on the topic "Aromatic compounds hydroxylation"

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Verma, Nidhi, Usha Kantiwal, Nitika, et al. "Catalytic Promiscuity of Aromatic Ring-Hydroxylating Dioxygenases and Their Role in the Plasticity of Xenobiotic Compound Degradation." In Microorganisms for Sustainability. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7462-3_6.

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Pushpabai Rajesh, Rajaian, and Grace Vanathi M. "Antimicrobial Peptides Derived from Ascidians and Associated Cyanobacteria." In Insights on Antimicrobial Peptides. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.99183.

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Ascidians belonging to Phylum Chordata are the most largest and diverse of the Sub-phylum Tunicata (Urochordata). Marine ascidians are one of the richest sources of bioactive peptides. These bioactive peptides from marine ascidians are confined to various types of structures such as cyclic peptides, acyclic peptides (depsipeptides), linear helical peptides with abundance of one amino acid (proline, trytophane, histidine), peptides forming hairpin like beta sheets or α-helical/β-sheet mixed structures stabilized by intra molecular disulfide bonding. Cyanobactins are fabricated through the prote
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Taber, Douglass F. "C-H Functionalization: The Chen Synthesis of Celogentin C." In Organic Synthesis. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199965724.003.0019.

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Christian R. Goldsmith of Auburn University developed (Synlett 2010, 1377) a method for radical chlorination of 1 using commercial peracetic acid. Noritaka Mizuno of the University of Tokyo devised (Nat. Chem. 2010, 2, 478) a bulky polyoxometalate that mediated the selective hydroxylation of the secondary C-H bonds of 3. Christina White of the University of Illinois showed (Science 2010, 327, 566) that Fe-mediated C-H oxidation is sensitive to the expected electronic effects, so that 5 was selectively oxidized to 6. Irena S. Akhrem of the A. N. Nesmeyanov Institute of Organoelement Compounds e
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Conference papers on the topic "Aromatic compounds hydroxylation"

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Kryuchkova, Ye V., G. L. Burygin, N. E. Gogoleva, et al. "A genomic analysis of the catabolism of aromatic compounds in Azospirillum brasilense SR80." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.133.

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We performed a genomic analysis of the presence and organization of oxygenases involved in the hydroxylation of various substrates, including the aromatic ring, and dioxygenases catalyzing a ring-cleavage of the formed hydroxylated intermediates in A. brasilense SR80.
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Mocanu, Larisa, Maria Gonta, and Gheorghe Duca. "Study of kinetics of transformation of galliric acid using possible oxidation processes in model systems." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.88.

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Gallic acid is a naturally occurring phenolic compound. Due to its persistence and potential toxicity, presents environmental challenges. Removal of gallic acid from wastewater, allows recycling and reuse of water in various industrial processes, reducing water consumption and contributing to sustainable practices. As a result, the removal of gallic acid from aqueous model solutions was studied by applying (AOPs): AG/Fenton, AG/Fenton/UV, AG/TiO2/H2O2/UV according to different physicochemical parameters. AOPs have emerged as promising techniques due to their ability to generate highly reactive
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