Gotowe bibliografie tematyczne / Sulfoximines

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Gotowa bibliografia na temat „Sulfoximines”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 20 lipca 2024

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Artykuły w czasopismach na temat "Sulfoximines"

Bull, James, Renzo Luisi i Leonardo Degennaro. "Straightforward Strategies for the Preparation of NH-Sulfoximines: A Serendipitous Story". Synlett 28, nr 19 (5.09.2017): 2525–38. http://dx.doi.org/10.1055/s-0036-1590874.

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Sulfoximines are emerging as valuable new isosteres for use in medicinal chemistry, with the potential to modulate physicochemical properties. Recent developments in synthetic strategies have made the unprotected ‘free’ NH-sulfoximine group more readily available, facilitating further study. This account reviews approaches to NH-sulfoximines, with a focus on our contribution to the field. Starting from the development of catalytic strategies involving transition metals, more sustainable metal-free processes have been discovered. In particular, the use of hypervalent iodine reagents to mediate NH-transfer to sulfoxides is described, along with an assessment of the substrate scope. Furthermore, a one-pot strategy to convert sulfides directly into NH-sulfoximines is discussed, with N- and O-transfer occurring under the reaction conditions. Mechanistic evidence for the new procedures is included as well as relevant synthetic applications that further exemplify the potential of these approaches.1 Introduction2 Strategies to Form NH-Sulfoximines Involving Transition-Metal Catalysts3 Metal-Free Strategies to Prepare NH-Sulfoximines4 Mechanistic Evidence for the Direct Synthesis of NH-Sulfoximines from Sulfoxides and Sulfides5 Further Applications6 Conclusion

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Gupta, Surabhi, Siddharth Baranwal, Priyanka Chaudhary i Jeyakumar Kandasamy. "Copper-promoted dehydrogenative cross-coupling reaction of dialkyl phosphites with sulfoximines". Organic Chemistry Frontiers 6, nr 13 (2019): 2260–65. http://dx.doi.org/10.1039/c9qo00469f.

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Tota, Arianna, Claudia Carlucci, Luisa Pisano, Giuliano Cutolo, Guy J. Clarkson, Giuseppe Romanazzi, Leonardo Degennaro, James A. Bull, Patrick Rollin i Renzo Luisi. "Synthesis of glycosyl sulfoximines by a highly chemo- and stereoselective NH- and O-transfer to thioglycosides". Organic & Biomolecular Chemistry 18, nr 20 (2020): 3893–97. http://dx.doi.org/10.1039/d0ob00647e.

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The first highly stereoselective sulfoximine formation directly from sulfides is achieved in the preparation of unprecedented glycosyl sulfoximines. X-ray analysis and a computational model establish the configuration at sulfur.

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Cardellicchio, Cosimo, Valentino Laquintana, Rosa Maria Iacobazzi, Nunzio Denora, Antonio Scilimati, Maria Grazia Perrone i Maria Annunziata M. Capozzi. "Synthesis and Preliminary Screening of the Biological Activity of Sulindac Sulfoximine Derivatives". Applied Sciences 13, nr 21 (3.11.2023): 12002. http://dx.doi.org/10.3390/app132112002.

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Sulindac is a well-known anti-inflammatory agent, sometimes employed as an adjuvant in antitumor therapy. Due to the recent interest in sulfoximine for its potential chemotherapeutics, we decided to transform sulindac and its methyl ester into the corresponding sulfoximines to test their antitumor activity. These compounds were fully characterized. Eventually, sulindac, sulindac methyl ester and the two novel corresponding sulfoximines were tested against malignant cells of U-87 glioblastoma, MCF-7 human breast cancer, HepG2 human liver hepatocellular carcinoma, CaCo-2 human colon cancer, and HeLa human cervical cancer. Interesting preliminary results were observed that encourage new investigations in this research theme.

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More, Satish G., i Gurunath Suryavanshi. "Lewis acid triggered N-alkylation of sulfoximines through nucleophilic ring-opening of donor–acceptor cyclopropanes: synthesis of γ-sulfoximino malonic diesters". Organic & Biomolecular Chemistry 20, nr 12 (2022): 2518–29. http://dx.doi.org/10.1039/d2ob00213b.

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Gupta, Surabhi, Siddharth Baranwal, Nalluchamy Muniyappan, Shahulhameed Sabiah i Jeyakumar Kandasamy. "Copper-Catalyzed N-Arylation of Sulfoximines with Arylboronic Acids under Mild Conditions". Synthesis 51, nr 10 (19.02.2019): 2171–82. http://dx.doi.org/10.1055/s-0037-1612216.

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N-Arylation of sulfoximines with different arylboronic acids, including sterically hindered boronic acids, is achieved using copper(I) iodide and 4-DMAP at room temperature. Moreover, N-arylation of biologically relevant l-methionine sulfoximine is demonstrated for the first time. All these reactions provided the desired products in excellent yields within a short span of time. The optimized reaction conditions are well suited to the task of N-vinylation of sulfoximine with trans-2-phenylvinylboronic acid.

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Hog, Daniel, Robin Meier, Henriette Lämmermann, Alexander Sudau, Daniel Rackl, Hilmar Weinmann, Karl Collins, Lars Wortmann i Lisa Candish. "Late-Stage Sulfoximidation of Electron-Rich Arenes by Photoredox Catalysis". Synlett 29, nr 20 (16.11.2018): 2679–84. http://dx.doi.org/10.1055/s-0037-1609656.

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The sulfoximine group has been reported as a versatile and beneficial functionality for pharmaceutical or agrochemical entities. Herein, we report the Csp2–H sulfoximidation of electron-rich arenes under the irradiation of blue light using an organic acridinium photocatalyst and molecular oxygen or peroxodisulfates as terminal oxidants. The method allows for the late-stage introduction of various sulfoximines onto complex bioactive compounds showing high functional group compatibility without the need for prefunctionalization.

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Wang, Bingren, Xiayu Liang i Qingle Zeng. "Recent Advances in the Synthesis of Cyclic Sulfoximines via C–H Bond Activation". Molecules 28, nr 3 (1.02.2023): 1367. http://dx.doi.org/10.3390/molecules28031367.

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Sulfoximines, a ubiquitous class of structural motifs, are widely present in bioactive molecules and functional materials that have received considerable attention from modern organic chemistry, pharmaceutical industries, and materials science. Sulfoximines have proved to be an effective directing group for C–H functionalization which was widely investigated for the synthesis of cyclic sulfoximines. Within the last decade, great progress has been achieved in the synthesis of cyclic sulfoximines. Thus, this review highlights the recent advances in the synthesis of cyclic sulfoximines via the C–H activation strategy and is classified based on the substrate types.

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Chen, Xiao Yun, Yaonan Tang, Xinran Xiang, Yisong Tang, Mingyang Huang, Shaojun Zheng i Cuifeng Yang. "Green One-Pot Syntheses of 2-Sulfoximidoyl-3,6-Dibromo Indoles Using N-Br Sulfoximines as Both Brominating and Sulfoximinating Reagents". Molecules 28, nr 8 (11.04.2023): 3380. http://dx.doi.org/10.3390/molecules28083380.

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A green one-pot 2,3,6-trifunctionalization of N-alkyl/aryl indoles was achieved by adding three equivalents of N-Br sulfoximine to the indole solution. A variety of 2-sulfoximidoyl-3,6-dibromo indoles were prepared with 38–94% yields using N-Br sulfoximines as both brominating and sulfoximinating reagents. Based on the results of controlled experiments, we propose that a radical substitution involving 3,6-dibromination and 2-sulfoximination occurs in the reaction process. This is first time that 2,3,6-trifunctionalization of indole in one pot has been achieved.

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Bohnen, Christian, i Carsten Bolm. "N-Trifluoromethylthiolated Sulfoximines". Organic Letters 17, nr 12 (czerwiec 2015): 3011–13. http://dx.doi.org/10.1021/acs.orglett.5b01384.

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Rozprawy doktorskie na temat "Sulfoximines"

Le, Thanh Nghi. "Sulfilimines et sulfoximines énantiomériquement pures : synthèse et applications en catalyse". Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLS185/document.

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Les sulfoximines sont une famille de composés dont les domaines d’applications sont très variés. Elles sont utilisées comme auxiliaires, ou ligands pour la synthèse asymétrique et répertoriées comme groupements à forts potentiels dans des composés biologiquement actifs. Les sulfoximines fluorées sont bien plus rares et difficiles d’accès, mais de par les propriétés spéciales induites par le fluor, ont récemment attirées l’attention. Elles ont notamment été utilisées avec succès en tant que réactifs de (per)-fluoroalkylation ou comme groupements super-électroattracteurs. Cependant, il n’y a que de rares exemples de sulfoximines fluorées dans des composés bioactifs. De plus, à notre connaissance, les S-perfluoroalkyl sulfoximines n’ont encore jamais été utilisées comme ligands de métaux ou organocatalyseurs.La thèse porte sur le développement de la synthèse et la fonctionnalisation des sulfoximines fluorées pour la préparation de ligands et d’organocatalyseurs, notamment en version énantiopures. Elle est divisée en 3 chapitres.Le premier chapitre porte sur la synthèse des sulfoximines et des sulfilimines fluorées énantiopures. Sur différentes étapes de la synthèse de ces composés, plusieurs méthodes ont été utilisées, par exemple, la séparation de diastéréoisomères par l’acide de camphorsulphonique, l’oxydation asymétrique de Kagan, Modena, Uemura et aussi l’imination oxydante asymétrique. La CFS (Chromatographie par Fluide Supercritique) semi-préparative a permis de séparer les différents énantiomères des sulfilimines fluorées. L’oxydation des sulfilimines a permis d’obtenir les sulfoximines énantiopures avec de bons rendements. Ces sulfilimines et sulfoximines ont des configurations absolues stables, leurs caractéristiques optiques ont été mesurées ainsi que leurs structures ont été déterminées par diffraction des rayons-X. Le deuxième chapitre est principalement axé sur la N-fonctionnalisation des sulfoximines et leurs développements comme ligands et organocatalyseurs pour la catalyse. Nous avons pu montrer que l’utilisation des micro-ondes pour activer le couplage entre les sulfoximines libres et les aromatiques halogénés permettait d’obtenir de bons résultats et même de diminuer le temps de réaction par rapport à la méthode de chauffage conventionnel. Ce développement a également été utilisé pour préparer des ligands/organocatalyseurs chiraux. Ces nouveaux ligands, sulfoximines fluorées chirales, ont été appliqués dans des procédés de catalyse pour la réaction de Friedel-Crafts, de Biginelli et même comme réactif de Shibata asymétrique pour la trifluoromethylation. Nous avons montré également que ces composés peuvent être utilisés comme ligands ou organocatalyseurs chiraux dans la réaction de Mukaiyama ou de cycloaddition de Diels-Alder conduisant aux produits avec de bons rendements.Le dernier chapitre est basé sur la fonctionnalisation des sulfoximines fluorées par une réaction inédite d’ortholithiation. Dans cette partie, nous démontrons que la fonction sulfoximine fluorée joue le rôle de groupe ortho-directeur. Cela nous a permis d’accéder à une grande variété de sulfoximines orthosubstituées aux structures totalement nouvelles. Les produits dérivés ortho ont été utilisés comme réactifs dans de nombreuses réactions: dans la réaction de Sonogashira, dans la préparation de nouveaux réactif de trifluorométhylation et dans la synthèse d’analogues de composés biologiquement actifs
Sulfoximines belong to a family of compounds with various application areas. They are used as auxiliaries or ligands for asymmetric synthesis and classified as high potential groups in biologically active compounds. Fluorinated sulfoximines are even more scarce and difficult to access, but special properties induced by fluorine, have attracted particular attention. They have been successfully used as (per)-fluoroalkylating reagent or as super-electron-withdrawing groups. However, there are only a few examples of fluorinated sulfoximines in bioactive compounds. To our knowledge, S-perfluoroalkylated sulfoximines have never been used as ligands of metals or organocatalysts so far.The Thesis focuses on the synthesis and functionalization of fluorinated sulfoximines for the preparation of chiral ligands and/or organocatalysts. It is divided into three chapters.The first chapter deals with the synthesis of enantiopure fluorinated sulfoximines and sulfilimines. During our synthesis, several methods were used, for example, separation of diastereoisomers by using camphorsulphonic acid, and the asymmetric oxidation of Kagan, Modena, Uemura as well as the asymmetric oxidizing imination. The SFC (Supercritical Fluid Chromatography) semi-preparative permits to separate the different enantiomers of fluorinated sulfilimines. Oxidation of sulfilimines led to the formation of enantiopure sulfoximines in good yields. These sulfilimines and sulfoximines are stable retaining their absolute configuration. Optical characteristics were measured and their structures were determined by X-ray diffractions. The second chapter focuses mainly on the N-functionalization of sulfoximines and their developments as organocatalysts and/or ligands for catalysis. Coupling reaction of free sulfoximines with halogenated aromatic under microwave activation led to the formation of products in good yields within short reaction time. This development has also been used to prepare chiral ligands/ organocatalysts. These new chiral fluorinated sulfoximines have been applied in catalytic processes for Friedel-Crafts reaction, Biginelli transformation and as Shibata’s asymmetric trifluoromethylation reagent. We also showed that these compounds may be used as chiral ligands or organocatalysts in Mukaiyama reaction or in Diels-Alder cycloaddition affording products in good yields.The last chapter is based on the functionalization of fluorinated sulfoximines by an ortholithiation reaction. In this part, we have demonstrated that the fluorinated sulfoximine function acts as ortho-directing group. This allowed us to access a wide variety of new ortho-substituted sulfoximine structures. Ortho-derivatives were used as reagents in Sonogashira reaction, in the preparation of novel trifluoromethylation reagents and in the synthesis of some biologically active compound analogues

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Chen, Xiaoyun [Verfasser]. "The synthesis of bioactive sulfoximines and N-alkynylated sulfoximines / Xiaoyun Chen". Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2014. http://d-nb.info/1066984204/34.

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Yu, Hao Verfasser], Carsten [Akademischer Betreuer] [Bolm i Markus [Akademischer Betreuer] Albrecht. "Iron-catalyzed synthesis of NH sulfoximines and cyclic sulfoximines / Hao Yu ; Carsten Bolm, Markus Albrecht". Aachen : Universitätsbibliothek der RWTH Aachen, 2018. http://d-nb.info/1181109000/34.

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Yu, Hao [Verfasser], Carsten [Akademischer Betreuer] Bolm i Markus [Akademischer Betreuer] Albrecht. "Iron-catalyzed synthesis of NH sulfoximines and cyclic sulfoximines / Hao Yu ; Carsten Bolm, Markus Albrecht". Aachen : Universitätsbibliothek der RWTH Aachen, 2018. http://d-nb.info/1181109000/34.

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Gao, Xuefeng Harmata Michael. "Oxidation & 1, 5-hydride shift of sulfoximine derivatives". Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6646.

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Title from PDF of title page (University of Missouri--Columbia, viewed on March 10, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Thesis advisor: Dr. Michael Harmata. Includes bibliographical references.

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Sardharwala, Fatema Elyasali. "Asymmetric synthesis using chiral, unsaturated sulfoximines". Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285164.

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Barthelemy, Anne-Laure. "Synthèse de sulfoximines perfluorées hautement fonctionnalisées et de sulfilimino iminiums. : Etude de leur application dans des réactions de perfluoroalkylation par catalyse photoredox". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLV080/document.

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L’atome de fluor est un élément essentiel de notre quotidien. Il est indispensable pour le développement des batteries, de la réfrigération (Fréon), des cristaux liquides qui constituent nos écrans de téléphone ou encore des matériaux (Téflon®). Mais c’est surtout dans les sciences du vivant que le fluor joue un rôle primordial. L’introduction d’un atome de fluor modifie les propriétés physico-chimiques d’une molécule, permettant ainsi de moduler et d’améliorer profondément son activité biologique. Son introduction dans les molécules organiques représente donc un défi majeur pour les chimistes, qui nécessite sans cesse le développement de nouveaux réactifs de fluoration et perfluoroalkylation.Parmi ceux-ci, les sulfoximines perfluorées sont des réactifs de perfluoroalkylation électrophile, nucléophile ou radicalaire. De plus, les sulfoximines perfluorées possèdent des propriétés singulières ayant des applications en sciences des matériaux et du vivant.Mes travaux de thèse s’inscrivent dans la volonté de notre laboratoire de mettre au point une nouvelle voie d’accès générale aux sulfoximines fluorées ainsi qu’à la synthèse de sulfoximines hautement fonctionnalisées. Ma thèse a également pour but l’étude des sulfilimino iminiums, dont la synthèse dérive de celle des sulfoximines et qui sont des réactifs très efficaces et polyvalents pour des réactions perfluoroalkylation par catalyse photoredox
Fluorine atom is essential in our everyday life. It is necessary for the development of battery, refrigeration (Fréon), liquid crystals which constitute the screens of phones, or materials (Téflon®). But its main role is in life sciences. The introduction of a fluorine atom modifies the physical and chemical properties of organic molecules, allowing to modulate and to enhance their biological activities. Its introduction in organic molecules constitutes a key challenge for chemists, which necessitates continually the development of new reagents for fluoration or perfluoroalkylation reactions. Among these, perfluorinated sulfoximines are electrophilic, nucleophilic or radical perfluoroalkylating reagents. Moreover, perfluorinated sulfoximines have peculiar properties with uses in material or life sciences.My PhD work falls within the project of our laboratory to develop a new general acces to perfluorinated sulfoximines and the synthesis of highly functionalized sulfoximines. My PhD work also deals with the synthesis of sulfilimino iminiums, derived from sulfoximines, which are efficient and versatile reagents for visible light-induced perfluoroalkylation reactions

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Kutuk, Halil. "The synthesis and mechanisms of hydrolysis of iminosulfonate esters". Thesis, University of Essex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386940.

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Briggs, Andrew D. "New applications of sulfones and sulfoximines in asymmetric synthesis". Thesis, University of Newcastle Upon Tyne, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386042.

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Wang, Long [Verfasser]. "The transition metal-mediated N-functionalizations of sulfoximines / Long Wang". Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2014. http://d-nb.info/105216062X/34.

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Książki na temat "Sulfoximines"

Skinner, Catharine Louise. Synthesis of pseudopeptides incorporating the sulfoximine functionality as potential turn mimetics. Birmingham: University of Birmingham, 2003.

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Części książek na temat "Sulfoximines"

Magnier, Emmanuel. "Preparation of Perfluoroalkyl Sulfilimines and Sulfoximines". W Efficient Preparations of Fluorine Compounds, 262–65. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118409466.ch43.

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Ozols, Robert F., Thomas C. Hamilton, Karen G. Louie, Brent C. Behrens i Robert C. Young. "Glutathione Depletion with Buthionine Sulfoximine: Potential Clinical Applications". W Biochemical Modulation of Anticancer Agents: Experimental and Clinical Approaches, 277–93. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2331-0_13.

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Yoshimine, T., A. Murasawa, H. Nakata i T. Hayakawa. "Radiosensitization of Human Glioma Cells by Buthionine Sulfoximine-Induced Glutathione Depletion". W Neuro-Oncology, 189–91. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3152-0_34.

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Mickisch, G., H. Bier, R. Tschada i P. Alken. "Effects of Buthionine Sulfoximine Mediated Glutathione Depletion in Chemoresistant Human Renal Cell Carcinomas". W Investigative Urology 4, 21–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-75972-7_4.

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Johansson, L., i C. M. Larsson. "Effects of the glutamine synthetase inhibitor methionine sulfoximine on CO2 fixation in Lemna gibba". W Fundamental, Ecological and Agricultural Aspects of Nitrogen Metabolism in Higher Plants, 315–18. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4356-8_47.

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Curtis, J., D. W. Hedley, M. D. Minden, M. A. Moore i E. A. Mcculloch. "Antileukemic Effects of Buthionine Sulfoximine (BSO) (NSC 326231) in Vivo: A Pilot Study in Acute Myeloblastic Leukemia". W Haematology and Blood Transfusion / Hämatologie und Bluttransfusion, 257–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-18156-6_44.

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Aslam, M., R. L. Travis i D. W. Rains. "Effect of Methionine Sulfoximine on the Induction of Nitrate Reductase and Metabolic Nitrate Pool Size in Barley Roots". W Plant Nutrition — Molecular Biology and Genetics, 17–20. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-017-2685-6_2.

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Dierickx, Paul J., i Loeki Govers. "Increased cytotoxic sensibility of cultured fathead minnow fish cells by simultaneous treatment with sodium dodecyl sulfate and buthionine sulfoximine". W Animal Cell Technology, 103–7. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5404-8_17.

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Griffith, Owen W. "Amino acid sulfoximines: α-Ethylmethionine sulfoximine". W Methods in Enzymology, 286–91. Elsevier, 1987. http://dx.doi.org/10.1016/0076-6879(87)43055-3.

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Pyne, Stephen G. "Chiral sulfoximines for diastereoselective and asymmetric synthesis". W Advances in Sulfur Chemistry, 283–366. Elsevier, 2000. http://dx.doi.org/10.1016/s1874-5296(00)80021-2.

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Streszczenia konferencji na temat "Sulfoximines"

P., Thomas, Armijo R., Tapia R. A. i Salas C. "Synthesis of new heterocyclic isosteres of L-buthionine sulfoximine (L-BSO)". W 15th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_2013101193156.

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Tagde, Ashujit, i C. Patrick Reynolds. "Abstract 2239: Buthionine sulfoximine enhanced melphalan cytotoxic activity against multiple myeloma cell lines". W Proceedings: AACR 102nd Annual Meeting 2011‐‐ Apr 2‐6, 2011; Orlando, FL. American Association for Cancer Research, 2011. http://dx.doi.org/10.1158/1538-7445.am2011-2239.

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Abalenikhina, Y. V., A. A. Seidkuliyeva, E. D. Rokunov, D. S. Nemtinov, A. V. Shchulkin i E. N. Yakusheva. "PARTICIPATION OF NUCLEAR FACTOR OF ERYTHROID ORIGIN-2 IN REGU-LATION P-GLYCOPROTEIN IN MODELING ENDOGENOUS OXIDATIVE STRESS". W NOVEL TECHNOLOGIES IN MEDICINE, BIOLOGY, PHARMACOLOGY AND ECOLOGY. Institute of information technology, 2022. http://dx.doi.org/10.47501/978-5-6044060-2-1.251-257.

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The article discusses the mechanisms of regulation of the P-glycoprotein transporter protein (Pgp) in cells of the Caco2 line under conditions of modeling endogenous oxidative stress caused by exposure to DL-butyonine sulfoximine (BSO, a glutathione synthesis inhibitor). Ex-periments have shown that exposure to BSO at concentrations of 10-100 μM leads to a de-crease in the concentration of glutathione, an increase in the amount of Pgp and nuclear factor of erythroid origin 2 (Nrf2). Inhibition of Nrf2 contributed to the normalization of Pgp levels, which proves the participation of the transcription factor in the regulation of the transporter protein under the conditions of modeling endogenous oxidative stress.

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Gonçalves Esquezaro, Pedro, Pedro Paulo Corbi i Carlos Marrote Manzano. "Síntese e caracterização de novos complexos com a L-butionina sulfoximina". W XXV Congresso de Iniciação Cientifica da Unicamp. Campinas - SP, Brazil: Galoa, 2017. http://dx.doi.org/10.19146/pibic-2017-78195.

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Gana, Christine C., Kimberley Hanssen, Denise M. Yu, Claudia Flemming, Murray Norris, Michelle Haber i Jamie Fletcher. "Abstract 4056: A modulator of multidrug resistance protein 1 selectively depletes glutathione and synergizes with L-buthionine sulfoximine to sensitize MRP1-expressing cancer cells to chemotherapy". W Proceedings: AACR Annual Meeting 2017; April 1-5, 2017; Washington, DC. American Association for Cancer Research, 2017. http://dx.doi.org/10.1158/1538-7445.am2017-4056.

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Raporty organizacyjne na temat "Sulfoximines"

สุขหร่อง, สุชาดา, i วรวุฒิ จุฬาลักษณานุกูล. โครงการ การศึกษาคุณสมบัติการกระตุ้นทางชีวภาพของน้ำหมักชีวภาพจากพืชต่อความทนทานภายใต้สภาวะเครียดจากออกซิเดชันในข้าว : รายงานวิจัยฉบับสมบูรณ์. คณะเภสัชศาสตร์ จุฬาลงกรณ์มหาวิทยาลัย, 2009. http://dx.doi.org/10.58837/chula.res.2009.3.

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Streszczenie:

งานวิจัยนี้สามารถแยกเชื้อแบคทีเรียกลุ่มที่สังเคราะห์แสงจากดินและน้ำหมักจากฟางข้าวในแปลงเกษตรอินทรีย์ได้ ซึ่งได้แก่เชื้อ Rhodopseudomanas palustris ไอโซเลทที่ 59 ที่สามารถสร้างสาร 5-aminolevulinic acid (ALA) ที่มีรายงานว่าเป็นสารที่มีประโยชน์กับพืช และนำไปใช้ในการผลิตน้ำหมักชีวภาพจากพืช โดยสามารถใช้สาร ALA นี้เป็นสารเครื่องหมาย (marker) ในการควบคุมคุณภาพของน้ำหมักชีวภาพ การเจือจางน้ำหมักชีวภาพที่ความเข้มข้น 1:500 เป็นสัดส่วนที่เหมาะสมที่สุดในการเป็นตัวกระตุ้นทางชีวภาพซึ่งทำให้ข้าวมีความสูง การเจริญเติบโต การงอก ความยาวราก และดัชนีการงอกของเมล็ดข้าวดีกว่ากลุ่มควบคุมที่ใช้น้ำเปล่า ผลของน้ำหมักชีวภาพที่มีต่อความทนทานของข้าวภายใต้สภาวะเครียดจากออกซิเดชันโดยการเหนี่ยวนำจากสารเคมี aminotriazole (AT) buthionine sulfoximine (BSO) และ methyl viologen (MV) โดยวัดการทำงานของเอนไซม์แอนติออกซิแดนท์และการเปลี่ยนแปลงของการแสดงออกของยีน superoxide dismutase (SOD), ascorbate peroxidase (APX), และ catalase (CAT) พบว่าสามารถเหนี่ยวนำต้นข้าวอ่อนให้เกิดสภาวะเครียดจากออกซิเดชันสารเคมีได้โดยการใช้สารเคมี ถึงแม้ว่าจะสังเกตเห็นลักษณะที่ทนทานทาง phenotype ได้ไม่ชัดเจนในต้นข้าวอ่อนกลุ่มที่ได้รับและไม่ได้รับการ pretreat ด้วยน้ำหมักชีวภาพเมื่อถูกเหนี่ยวนำให้เกิดความเครียด แต่ได้มีการเปลี่ยนแปลงในระดับของยีนและเอนไซม์กลุ่มต้านออกซิเดชัน ต้นข้าวอ่อนกลุ่มที่ได้รับการ pretreat ด้วยน้ำหมักชีวภาพก่อนพบว่ามีระดับ transcript ของยีนและการทำงานของเอนไซม์ SOD APX และ CAT สูงอยู่ก่อนแล้ว ต้นข้าวอ่อนกลุ่มนี้มีการตอบสนองต่อสารเคมีที่ใช้เหนี่ยวนำให้เกิดความเครียดได้ไวกว่ากลุ่มที่ไม่ได้รับการ pretreat ด้วยน้ำหมักชีวภาพ เหมือนเป็นการเตรียมพร้อมให้กับต้นข้าวอ่อน เมื่อเวลาผ่านไประดับของ transcript และการทำงานของเอนไซม์จะลดลงสู่สภาวะปกติได้เร็วกว่า ชี้ให้เห็นว่าเมื่อต้นข้าวอ่อนกลุ่มที่ได้รับการ pretreat ด้วยน้ำหนักชีวภาพสามารถที่จะกระตุ้นกลไกการป้องกันตนเองให้จัดการกับภาวะเครียดได้อย่างรวดเร็วและลดลงสู่สภาวะปกติได้เร็ว

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