Academic literature on the topic 'Sulfinic acids'
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Journal articles on the topic "Sulfinic acids"
Vicente, Dmistocles A., Danilo Galdino, Marcelo Navarro, and Paulo H. Menezes. "Electrochemical synthesis of sulfonamides in a graphite powder macroelectrode." Green Chemistry 22, no. 16 (2020): 5262–66. http://dx.doi.org/10.1039/d0gc01360a.
Full textAnd, Chew Lee, and Lamar Fields. "SULFINIC ACIDS AND RELATED COMPOUNDS. 21. PREPARATION OF CRYSTALLINE SULFINIC ESTERS1,2." Phosphorus, Sulfur, and Silicon and the Related Elements 45, no. 1-2 (September 1989): 35–45. http://dx.doi.org/10.1080/10426508908046074.
Full textZOLLER, U. "ChemInform Abstract: Syntheses of Sulfinic Acids." ChemInform 22, no. 40 (August 22, 2010): no. http://dx.doi.org/10.1002/chin.199140281.
Full textHerwig, Jürgen, and Wilhelm Keim. "Palladium complex catalysed synthesis of sulfinic acids, sulfinic acid esters, sulfonic acids and S-alkyl alkanethiosulfonates." Inorganica Chimica Acta 222, no. 1-2 (July 1994): 381–85. http://dx.doi.org/10.1016/0020-1693(94)03911-9.
Full textLee, Chew, D. Brian Stidham, and Lamar Field. "SULFINIC ACIDS AND RELATED COMPOUNDS. 22. DERIVATIVES OF 2-HYDROXYETHANE SULFINIC ACID1,2." Phosphorus, Sulfur, and Silicon and the Related Elements 47, no. 1-2 (January 1990): 53–59. http://dx.doi.org/10.1080/10426509008046846.
Full textSTIRLING, C. J. M. "ChemInform Abstract: Sulfinic Acids and Carboxylic Acids - a Comparison." ChemInform 22, no. 41 (August 22, 2010): no. http://dx.doi.org/10.1002/chin.199141299.
Full textLiu, Cong-Rong, and Liang-Hui Ding. "Byproduct promoted regioselective sulfenylation of indoles with sulfinic acids." Organic & Biomolecular Chemistry 13, no. 8 (2015): 2251–54. http://dx.doi.org/10.1039/c4ob02575j.
Full textIvanova, S., and D. Aleksiev. "Addition of Sulfinic Acids to Methacrylic Derivatives." Phosphorus, Sulfur, and Silicon and the Related Elements 186, no. 1 (December 30, 2010): 38–43. http://dx.doi.org/10.1080/10426501003776947.
Full textIvanova, Sonya. "Reaction of Sulfinic Acids with Heteroconjugated Alkenes." Phosphorus, Sulfur, and Silicon and the Related Elements 188, no. 11 (September 20, 2013): 1670–74. http://dx.doi.org/10.1080/10426507.2012.760562.
Full textKotomkin, A., N. Rusakova, V. Turovtsev, Yu Orlov, and E. Chernova. "Scale of the electronegativities of sulfinic acids." Актуальные направления научных исследований XXI века: теория и практика 2, no. 5 (December 2, 2014): 91–94. http://dx.doi.org/10.12737/6759.
Full textDissertations / Theses on the topic "Sulfinic acids"
Svarovsky, Serge A. "Structure, stability and reactivity of small organic sulfinic and sulfonic acids toxicological implications ; Role of charge transfer complexes in oxidation cleavage of benzpinacols by iron (III) trispenanthroline /." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1231.
Full textSun, Xiaowei. "Protective role of coronary endothelium during the development of cardiac hypertrophy insights from pharmacological intervention studies /." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2010r/xsun.pdf.
Full textMotto, John M. "Ã,ß-unsaturated sulfoxides and sulfinic acid derivatives." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ58363.pdf.
Full textOrndorff, Zenah Wilson. "Evaluation of Sulfidic Materials in Virginia Highway Corridors." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/29183.
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Boukhenouna, Samia. "Enzymologie des étapes clés de régulation du système Peroxyrédoxine / Sulfirédoxine dans le contexte de la signalisation cellulaire redox." Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0251/document.
Full textThe peroxiredoxins (Prx) are ubiquitous thiol peroxidases, which play a central role in the physiology of hydrogen peroxide. A subclass of Prx called "typical 2-Cys-Prx" has a unique property to hyperoxidize the catalytic Cys into the sulfinic acid form, which acts as a regulation mechanism of their functions, as peroxidase, peroxide sensor or protein chaperone. The reduction of the overoxidized form is catalyzed by sulfiredoxin (Srx), an ATP-dependent sulfinyl reductase whose catalytic constant is about 1-2 min-1, a low value that must be correlated to the role of Srx in redox regulation. The aim of this study was to analyze the enzymology of the regulation of the Prx/Srx system at three diffrents points of control: the hyper-oxidation process of typical 2-Cys-Prx, the rate-limiting step of the Srx mechanism and the recycling step of Srx by the cellular thiol redox systems. We have first characterized the competition mechanism between the two steps of the catalytic mechanism of the major typical 2-Cys-Prx of S. cerevisiae, Tsa1, through a strategy combining rapid kinetics, coupled enzyme system and kinetic modelling analysis. This work suggests that the sensitivity to hyper-oxidation is controlled by a conformational reorganization during the catalytic cycle of Tsa1. Next, the study of the first step of Srx catalytic mechanism, which involves the ATP-dependent activation of the sulfinic acid form of typical 2-Cys Prx i) has shown that the rate-limiting step is associated with the chemical phosphate transfer process, and ii) provided an assembly model of the Michaelien complex Prx/Srx/ATP, formed during this process. Finally, through the combination of in vitro enzyme kinetics and in vivo yeast genetic tools, we established that the recycling mechanism of one Cys Srx, existing in plants or mammals, involves the glutathione (GSH) as reducer in cells, contrary to the Srx from S. cerevisiae, which is recycled by the Thioredoxin system. Unexpectedly, our study suggests that GSH binds the thiolsulfinate complex, confirming the role of GSH as the primary reducing system of 1-Cys-Srx
Kriznik, Alexandre. "Enzymologie du mécanisme de régulation des Peroxyrédoxines par suroxydation au cours de la signalisation cellulaire redox." Thesis, Université de Lorraine, 2020. http://www.theses.fr/2020LORR0083.
Full textPeroxiredoxins from the Prx1 subfamily (Prx) are moonlighting peroxidases that operate in peroxide signaling and are regulated by sulfinylation. Prxs offer a major model of protein−thiol oxidative modification. They react with H2O2 to form a sulfenic acid intermediate that either engages into a disulfide bond, committing the enzyme into its peroxidase cycle, or again reacts with peroxide to produce a sulfinic acid that inactivates the enzyme. Sensitivity to sulfinylation depends on the kinetics of these two competing reactions and is critically influenced by a structural transition from a fully folded (FF) to locally unfolded (LU) conformation. Analysis of the reaction of the Tsa1 Saccharomyces cerevisiae Prx with H2O2 by Trp fluorescence-based rapid kinetics revealed a process linked to the FF/LU transition that is kinetically distinct from disulfide formation and suggested that sulfenate formation facilitates local unfolding. Use of mutants of distinctive sensitivities and of different peroxide substrates showed that sulfinylation sensitivity is not coupled to the resolving step kinetics but depends only on the sulfenic acid oxidation and FF-to-LU transition rate constants. From these two parameters, the relative sensitivities of Prxs toward hyperoxidation with different substrates can be predicted, as confirmed by in vitro and in vivo patterns
Liu, Pingyang. "Biochemical studies of enzymes in insect cuticle hardening." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/50528.
Full textBiochemical characterization of insect ADC has revealed that this enzyme has typical mammalian cysteine sulfinic acid decarboxylase (CSADC) activity, able to generate hypotaurine and taurine. The result throws lights on research in the physiological roles of insect ADC and the pathway of insect taurine biosynthesis. Cysteine was found to be an inactivator of several PLP-dependent decarboxylases, such as ADC, glutamate decarboxylase (GAD) and CSADC. This study helps to understand symptoms associated with the abnormal cysteine concentrations in several neurodegenerative diseases. A mammalian enzyme, glutamate decarboxylase like-1 (GADL1), has been shown to have the same substrate usage as insect ADC does, potentially contributing to the biosynthesis of taurine and/or beta-alanine in mammalian species. Finally, the metabolic engineering work of L-3, 4-dihydroxyphenylalanine decarboxylase (DDC) and 3, 4-dihydroxylphenylacetaldehyde (DHPAA) synthase has revealed that the reactions of these enzymes could be determined by a few conserved residues at their active site. As both enzymes have been implicated in the biosynthesis of sclerotizing reagents, it is of great scientific and practical importance to understand the similarity and difference in their reaction mechanisms. The results of this dissertation provide valuable biochemical information of ADC, DDC, DHPAA synthase, and GADL1, all of which are PLP-dependent decarboxylases. ADC, DDC, DHPAA synthase are important enzymes in insect cuticle hardening by contributing to the biosynthesis of sclerotizing reagents. Knowledge towards understanding of these enzymes will promote the comprehension of insect cuticle hardening and help scientists to search for ideal insecticide targets. The characterization of GADL1 lays groundwork for future research of its potential role in taurine and beta-alanine metabolism.
Ph. D.
Roussel, Xavier. "Enzymologie moléculaire d'une sulfinyl réductase, la sulfirédoxine : Caractérisation du mécanisme catalytique." Thesis, Nancy 1, 2009. http://www.theses.fr/2009NAN10082/document.
Full textTypical two-cysteine peroxiredoxines are involved in cell resistance against H2O2-induced oxidative stress, by reducing H2O2 in H2O. Furthermore, these enzymes take part in H2O2 signalling, which is transmitted and regulated by their redox state. The eukaryotic typical 2-Cys Prxs are subject to post-translational modification under sulfinic acid oxidation state, which inactivates have lost their peroxidase activity and thus regulates allows the passage of H2O2-dependent cellular message. Reduction of the sulfinic acid oxidation state is essential for the cell viability. Sulfiredoxin (Srx) catalyzes this reduction. These research studies demonstrated that the catalytic mechanism of Srx occurs in three steps: first, the sulfinic acid is activated as a sulfinyl phosphoryl anhydride intermediate by a direct transfer of the ?-phosphate of ATP; second, the activated sulfinic acid intermediate is reduced via attack of the catalytic Cys of Srx, which leads to formation of a thiosulfinate intermediate and; third Srx, is recycled with concomitant release of the PrxSOH product of the reaction. Two classes of Srx could be defined depending on the mechanism of Srx recycling. The class comprising yeast Srxs have one recycling Cys. This Cys attacks the thiosulfinate intermediate, resulting in PrxSOH release and formation of an oxidized Srx intermediate. This oxidized species, with an intramolecular disulfide bond, is recognized and reduced by thioredoxin. In the class comprising Srx devoid of recycling Cys, which includes the mammalian Srxs, Srx is recycled by a reducer distinct from thioredoxin, which reduces directly the thiosulfinate function
Wozniak, Jocelyne. "Nouvelles méthodes pour la dégradation de la chaine latérale des acides biliaires." Paris 11, 1986. http://www.theses.fr/1986PA112291.
Full textTwo new methods for the degradation of the side chain of bile acids have been elaborated. The first method involves a new synthetic pathway to Δ² -oxazolines and their use for the introduction of a double bond between carbon atoms 22 and 23. The general applicability to these two reactions has been examined. The second method is based on a novel synthesis of 23-keto esters derived from bile acids. Autoxidation of these esters leads ta subsequent side chain degradation. A mechanism for this degradation is proposed
Coantic, Stéphanie. "Réactivité des N-sulfonyl, N-sulfinyl et N-sulfénylimines dans la réaction de Staudinger : la synthèse de β-lactames N-sulfurés et leur utilisation pour la synthèse de β-aminoacides [alpha]-oxygénés." Aix-Marseille 3, 2004. http://www.theses.fr/2004AIX30045.
Full textThe synthesis of N-sulfonyl, N-sulfinyl and N-sulfenylimines has been achieved. These N-thiolated imines were tested in the Staudinger reaction with [alpha]-oxygenated ketenes. The [2+2] cycloaddition reaction was successfully applied to many N-sulfenylimines to give N-sulfenyl β-lactames with good yields and a good selectivity. These azetidinones bearing an electron-donor group on the nitrogen of the cycle were then used in the oxidation reaction of the sulphur to give the N-sulfinylated and N-sulfonylated cycloadducts. The new β-lactames bearing an electron-acceptor group on the nitrogen were used in nucleophilic ring opening reactions with amines, alcohols or thiols to give new [alpha]-oxygenated β-aminoacids
Books on the topic "Sulfinic acids"
Saul, Patai, ed. The chemistry of sulphinic acids, esters, and their derivatives. Chichester: Wiley, 1990.
Find full textMihail, Pacurar, and Krejci Gavril, eds. Garlic consumption and health. Hauppauge, NY: Nova Science Publishers, 2009.
Find full textIsbell, R. Australian Soil Classification. CSIRO Publishing, 2016. http://dx.doi.org/10.1071/9781486304646.
Full textBook chapters on the topic "Sulfinic acids"
Peter, L. B. "Sulfinic Acids, Salts and Esters." In Inorganic Reactions and Methods, 19–20. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145197.ch24.
Full textvan Roy, Frans, Volker Nimmrich, Anton Bespalov, Achim Möller, Hiromitsu Hara, Jacob P. Turowec, Nicole A. St. Denis, et al. "Cysteine Sulfinic Acid Reductase." In Encyclopedia of Signaling Molecules, 496. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-0461-4_100330.
Full textPark, Seung Yong, Georgia Schuller-Levis, and Eunkyue Park. "A Novel Cysteine Sulfinic Acid Decarboxylase Knock-Out Mouse: Immune Function." In Taurine 9, 89–98. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15126-7_8.
Full textBaseggio Conrado, Alessia, Laura Pecci, Elisabetta Capuozzo, and Mario Fontana. "Oxidation of Hypotaurine and Cysteine Sulfinic Acid by Peroxidase-generated Reactive Species." In Taurine 9, 41–51. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15126-7_4.
Full textPark, Eunkyue, Seung Yong Park, In Soo Cho, Bo Sook Kim, and Georgia Schuller-Levis. "A Novel Cysteine Sulfinic Acid Decarboxylase Knock-Out Mouse: Immune Function (II)." In Advances in Experimental Medicine and Biology, 449–60. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1079-2_36.
Full textPark, Eunkyue, Seung Yong Park, Carl Dobkin, and Georgia Schuller-Levis. "A Novel Cysteine Sulfinic Acid Decarboxylase Knock-Out Mouse: Comparison Between Newborn and Weanling Mice." In Taurine 9, 3–16. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15126-7_1.
Full textde Souza, José João Lelis Leal, and Walter Antônio Pereira Abrahão. "Pyritic Subsoils in Acid Sulfate Soils and Similar Problems in Mined Areas with Sulfidic Rocks." In Subsoil Constraints for Crop Production, 109–23. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-00317-2_5.
Full textGordon, Ronald, Seung Yong Park, Georgia Schuller-Levis, and Eunkyue Park. "A Novel Cysteine Sulfinic Acid Decarboxylase Knock-Out Mouse: Pathology of the Kidney and Lung in Newborn Pups." In Taurine 9, 17–28. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15126-7_2.
Full textPark, Eunkyue, Seung Yong Park, In Soo Cho, Bo Sook Kim, and Georgia Schuller-Levis. "A Novel Cysteine Sulfinic Acid Decarboxylase Knock-Out Mouse: Taurine Distribution in Various Tissues With and Without Taurine Supplementation." In Advances in Experimental Medicine and Biology, 461–74. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1079-2_37.
Full textWang, Wankun, Jinhui Peng, Zebiao Zhang, Lijuan Chu, and Guodong Lai. "A Kinetic Study of the Leaching of Germanium Dust and Fume by Sulfiiric Acid." In Supplemental Proceedings, 141–46. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118357002.ch19.
Full textConference papers on the topic "Sulfinic acids"
Helser, Jillian, Valérie Cappuyns, and Ana Lupu. "Acid generation potential and metal(loid) release from resuspended sulfidic mine waste." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.5205.
Full textHadi, S., D. Asnawati, S. R. Kamali, Z. Zulkarnaen, S. Syaifuddin, and S. Hizmi. "Investigation of sulfidic natural water in Sebau Lombok Island to remove dissolved copper (Cu2+) in acid mine drainage." In PROCEEDINGS OF THE 3RD INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2017 (ISCPMS2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5064080.
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