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Relevant bibliographies by topics / Sulfonyl radicals

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Academic literature on the topic 'Sulfonyl radicals'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Sulfonyl radicals"

1

Griesser, Markus, Jean-Philippe R. Chauvin, and Derek A. Pratt. "The hydrogen atom transfer reactivity of sulfinic acids." Chemical Science 9, no. 36 (2018): 7218–29. http://dx.doi.org/10.1039/c8sc02400f.

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Sulfinic acids are characterized to be very good H-atom donors to each of alkyl and alkoxyl radicals. In order to participate in useful radical chain reactions, the sulfonyl radicals must undergo fast propagating reactions to avoid autoxidation, which is surprisingly rate-limited by the reaction of sulfonyl radicals with oxygen.

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Freeman, Fillmore, та Monica C. Keindl. "Sulfinyl, α-Sulfinyl, Sulfonyl, and α-Sulfonyl Radicals". Sulfur reports 4, № 7 (1985): 231–98. http://dx.doi.org/10.1080/01961778508082480.

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Gilmore, Kerry, Brian Gold, Ronald J. Clark, and Igor V. Alabugin. "Convenient Ambient Temperature Generation of Sulfonyl Radicals." Australian Journal of Chemistry 66, no. 3 (2013): 336. http://dx.doi.org/10.1071/ch12499.

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Presented herein is a novel method for the efficient, ambient temperature generation of sulfonyl radicals from aryl and alkyl sulfonylbromides upon autoxidation of triethylborane (Et3B). The resultant radicals were regioselectively trapped via addition to terminal alkynes, generating a secondary vinyl radical that selectively abstracts a Br atom from RSO2Br, yielding the (E)-bromo vinylsulfones. Sensitivity towards Lewis basic groups was observed, presumably due to the disruptive coordination to Et3B before atom-transfer.

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Wang, Hanghang, Pengcheng Lian, Yonggao Zheng, Jingjing Li та Xiaobing Wan. "Cross coupling of sulfonyl radicals with silver-based carbenes: a simple approach to β-carbonyl arylsulfones". Organic & Biomolecular Chemistry 18, № 11 (2020): 2163–69. http://dx.doi.org/10.1039/d0ob00091d.

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Montermini, Florian, Emmanuel Lacôte та Max Malacria. "Reactivity of β-LactamidoN-Sulfonyl Radicals". Organic Letters 6, № 6 (2004): 921–23. http://dx.doi.org/10.1021/ol0363725.

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Huang, Xiaoqiang, Shipeng Luo, Olaf Burghaus, Richard D. Webster, Klaus Harms, and Eric Meggers. "Combining the catalytic enantioselective reaction of visible-light-generated radicals with a by-product utilization system." Chemical Science 8, no. 10 (2017): 7126–31. http://dx.doi.org/10.1039/c7sc02621h.

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We report an unusual reaction design in which a chiral bis-cyclometalated rhodium(iii) complex enables the stereocontrolled chemistry of photo-generated carbon-centered radicals and at the same time catalyzes an enantioselective sulfonyl radical addition to an alkene.

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Mase, Nobuyuki, Yoshihiko Watanabe та Takeshi Toru. "Discrimination of diastereotopic sulfonyl oxygens by intramolecular hydrogen bonding: Stereoselective hydrogenation of α-sulfonyl radicals". Tetrahedron Letters 40, № 14 (1999): 2797–800. http://dx.doi.org/10.1016/s0040-4039(99)00297-x.

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García‐Domínguez, Andrés, Simona Müller, and Cristina Nevado. "Nickel‐Catalyzed Intermolecular Carbosulfonylation of Alkynes via Sulfonyl Radicals." Angewandte Chemie International Edition 56, no. 33 (2017): 9949–52. http://dx.doi.org/10.1002/anie.201704862.

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CULSHAW, P. N., and J. C. WALTON. "ChemInform Abstract: Generation of Sulfonyl Radicals from Sulfonate Esters." ChemInform 22, no. 7 (2010): no. http://dx.doi.org/10.1002/chin.199107089.

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García‐Domínguez, Andrés, Simona Müller, and Cristina Nevado. "Nickel‐Catalyzed Intermolecular Carbosulfonylation of Alkynes via Sulfonyl Radicals." Angewandte Chemie 129, no. 33 (2017): 10081–84. http://dx.doi.org/10.1002/ange.201704862.

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Dissertations / Theses on the topic "Sulfonyl radicals"

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Kofie, William. "Radical and palladium mediated cyclisations for the synthesis of heterocyclic ring systems." Thesis, University of Sussex, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271754.

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Rouquet, Guy. "Nouvelles méthodes de génération de radicaux silylés : application à des processus radicalaires sans étain." Thesis, Bordeaux 1, 2010. http://www.theses.fr/2010BOR14180/document.

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Deux nouveaux concepts, visant à reproduire la chimie radicalaire des diétains à l’aide de radicaux centrés sur le silicium, sont présentés à travers ce manuscrit. Le premier concept introduit les “silaboranes”, des molécules constituées d’un motif de type silane et d’un atome de bore. Ceux-ci ont pour la première fois été exploités comme générateurs de radicaux triméthylsilyle via l’utilisation de la réaction de SHi sur le silicium (Substitution Homolytique Intramoléculaire) à partir de disilanes. Des études cinétiques et de modélisation moléculaires de la réaction de SHi ont, entre autres, p

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Pirenne, Vincent. "New radical additions of alkylsulfonyl cyanides onto unactivated olefins : enantioselective approaches towards the total synthesis of leucophyllidine." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0438/document.

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Dans le cadre de la synthèse totale de la leucophyllidine, un alcaloïde bis-indolique, des réactions de carbo- et sulfonyl-cyanation radicalaires sans étain ont été développées. Les cyanures de sulfonyle RSO2CN, préparés à partir des thiocyanates correspondant par une nouvelle méthode d’oxydation, sont utilisés comme pièges radicalaires. Ces réactifs fragmentent en présence d’initiateur thermique (carbo-cyanation) ou par le biais de la catalyse photoredox (sulfonyl-cyanation). Dans ce dernier cas, une étude mécanistique approfondie sur le cycle photo-catalytique a été accomplie. Ces méthodolog

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Gastaldi, Stéphane. "Les radicaux sulfonyle en synthèse organique : application à la synthèse de l'acide kai͏̈nique." Aix-Marseille 3, 1997. http://www.theses.fr/1997AIX30091.

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L'acide kainique est une pyrrolidine trisubstituee en position 2, 3 et 4, la stereochimie des substituants est trans au niveau des carbones 2 et 3, et cis au niveau des carbones 3 et 4. L'addition radicalaire de tsseph sur des 4-aza-1,6-dienes correctement fonctionnalises est une voie d'acces au squelette carbone de l'acide -kainique. Toutefois, l'elimination, via un selenoxyde, du groupe phenylselanyle n'est pas regioselective et ne permet pas l'acces au motif isopropenyle de l'acide kainique avec des rendements satisfaisants. Le rearrangement radicalaire des sulfones allyliques a permis en u

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Grilly, Joshua David. "Switchable Solvents for Novel Chemical Processing." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7461.

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This work seeks to develop new solvents for environmentally benign chemical synthesis. Switchable solvents are a new class of compounds that change properties upon the application of some stimulus such as heat, UV light, or pH. We have developed the use of a new solvent, thiirane oxide, that has chemical properties similar to DMSO. Thiirane oxide, however, undergoes facile decomposition to two gases at temperatures above 100 C, which is much lower than the temperature required for removing DMSO. Thus we have a solvent with excellent solvation properties, but with a built-in switch for easi

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Lee, Wan-Hua, and 黎萬華. "The Reactions of Allylsulfones with Sulfonyl Radicals." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/91718597201339481889.

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Ming-YiTsai and 蔡明義. "The cyclization reaction of sulfonamides with sulfonyl radicals." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/00320299828871992221.

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碩士<br>國立成功大學<br>化學系碩博士班<br>100<br>In recent decades, there has been a growing interest in the application of radical cyclization in organic synthesis. These reactions involving in the free radicals have been widely used in synthesis of various cyclic compounds. These reactions exhibit in regio- and stereo-selectivity bring about a lot of interest of chemists. Alkylsulfonyl radical can undergo addition reaction with unsaturated bond; or elimination reaction of intermediate, or both of them. Thus, alkylsulfonyl radical is a multi-function radical. In this thesis, we use a catalytic amount of si

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Luo, Ji-Yu, and 駱集煜. "The cyclization reaction of sulfonamides with sulfonyl radicals." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/46481997294141185607.

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碩士<br>國立成功大學<br>化學系碩博士班<br>94<br>Initiated cyclization by free radical plays an important role in organic synthesis. Sulfonyl radical have been reported can undergo addition reaction with unsaturated bond or be an intermediate undergo elimination reaction. Thus, sulfonyl radical is a multi-functionalized intermediate. Manganese(Ⅲ) acetate has been used for the majority of oxidative cyclizations, sulfonyl radicals which produced from manganese(Ⅲ) acetate induced free radical cyclization reaction with sulfonamides in our report. In this thesis we described our results on： Sulfonyl radical whic

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Lee, Jia-Han, and 李佳翰. "The Reactions of N-Allyl-N-benzylsulfonamides with Sulfonyl Radicals." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/26885891444399054821.

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Ke, Bor-Wen, та 柯博文. "I. The Study Of Intramolecular Cyclization Of α-Sulfinyl And α -Sulfonyl Radicals II、The Application In The Synthesis Of (±)－Supinidine". Thesis, 1993. http://ndltd.ncl.edu.tw/handle/69642497269149131107.

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Books on the topic "Sulfonyl radicals"

1

Freeman, F. Sulfinyl, \ga-Sulfinyl, Sulfonyl, and \ga-Sulfonyl Radicals. Routledge, 1985.

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Book chapters on the topic "Sulfonyl radicals"

1

Aurich, H. G., and K. D. Möbus. "Studies of β-Sulfonyl Substituted Vinyl Nitroxides." In Organic Free Radicals. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73963-7_3.

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De Riggi, I., J. M. Surzur, and M. P. Bertrand. "Cyclizing Bifunctionnalization of Dienes by Sulfonyl Halides." In Organic Free Radicals. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73963-7_99.

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Claridge, R. F. C. "14.2.3 Sulfonyl radicals of the type RS•O2." In Landolt-Börnstein - Group II Molecules and Radicals. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-45824-1_12.

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Chatgilialoglu, C. "Formation, Decay, and Spectral Characterization of Some Sulfonyl Radicals." In Advances in Chemical Reaction Dynamics. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4734-4_36.

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5

Sevilla, M. D., M. Yan, D. Becker, and S. Gillich. "Reaction of DNA Peroxyl Radicals with Cysteamine and Glutathione: The Formation of Sulfoxyl Radicals." In Eicosanoids and Other Bioactive Lipids in Cancer and Radiation Injury. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3874-5_14.

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Bruni, P., L. Cardellini, L. Greci, and P. Stipa. "On the Radicalic Methylation. Unexpected Formation of Sulfones and Sulfonamides in the Reaction of Nitrosoarenes with Fenton’s Reagent in DMSO." In Organic Free Radicals. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73963-7_37.

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Milne, P. J., Rod G. Zika, and Eric S. Saltzman. "Rate of Reaction of Methanesulfonic Acid, Dimethyl Sulfoxide, and Dimethyl Sulfone with Hydroxyl Radical in Aqueous Solution." In ACS Symposium Series. American Chemical Society, 1989. http://dx.doi.org/10.1021/bk-1989-0393.ch033.

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8

Cano, Antonio, and Marino B. Arnao. "ABTS/TEAC (2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)/Trolox®-Equivalent Antioxidant Capacity) radical scavenging mixed-mode assay." In Measurement of Antioxidant Activity & Capacity. John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119135388.ch7.

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Drabowicz, J., J. Lewkowski, W. Kudelska, and T. Girek. "Free-Radical Reaction of Sulfonyl Halides with Unsaturated Compounds." In Sulfur, Selenium, and Tellurium. Georg Thieme Verlag KG, 2008. http://dx.doi.org/10.1055/sos-sd-039-00183.

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Taber, Douglass. "Enantioselective Assembly of Alkylated Stereogenic Centers." In Organic Synthesis. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199764549.003.0037.

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Oxygenated secondary stereogenic centers are readily available. There is a limited range of carbon nucleophiles that will displace a secondary leaving group in high yield with clean inversion. Teruaki Mukaiyama of the Kitasato Institute has described (Chem. Lett. 2007, 36, 2) an elegant addition to this list. Phosphinites such as 1 are easily prepared from the corresponding alcohols. Quinone oxidation in the presence of a nucleophile led via efﬁcient displacement to the coupled product 2. The sulfone could be reduced with SmI2 to give 3. Enantioselective reduction of trisubstituted alkenes is also a powerful method for establishing alkylated stereogenic centers. Juan C. Carretero of the Universidad Autonoma de Madrid has found (Angew. Chem. Int. Ed. 2007, 46, 3329) that the enantioselective reduction of unsaturated pyridyl sulfones such as 4 was directed by the sulfone, so the other geometric isomer of 4 gave the opposite enantiomer of 5. The protected hydroxy sulfone 5 is a versatile chiral building block. Samuel H. Gellman of the University of Wisconsin has reported (J. Am. Chem. Soc. 2007, 129, 6050) an improved procedure for the aminomethylation of aldehydes. L-Proline-catalyzed condensation with the matched α-methyl benzylamine derivavative 7 gave the aldehyde, which was immediately reduced to the alcohol 8 to avoid racemization. The amino alcohol 8 was easily separated in diastereomerically-pure form. In the past, aldehydes have been efficiently α-alkylated using two-electron chemistry. David W. C. Macmillan of Princeton University has developed (Science 2007, 316, 582; J. Am. Chem. Soc. 2007, 129, 7004) a one-electron alternative. The organocatalyst 9 formed an imine with the aldehyde. One-electron oxidation led to an α-radical, which was trapped by the allyl silane (or, not pictured, a silyl enol ether) leading to the α-alkylated aldehyde 10. This is mechnistically related to the work reported independently by Mukund P. Sibi (J. Am. Chem. Soc. 2007, 129, 4124; OHL Feb. 11, 2008) on one-electron α-oxygenation of aldehydes. Secondary alkylated centers can also be prepared by SN2’ alkylation of prochiral substrates such as 11. Ben L. Feringa of the University of Groningen has shown (J. Org. Chem. 2007, 72, 2558) that the displacement proceeded with high ee even with conventional Grignard reagents.

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Conference papers on the topic "Sulfonyl radicals"

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Takeuchi, Nozomi, Yuzuru Kitagawa, and Koichi Yasuoka. "Efficient decomposition of perfluorooctane sulfonic acid in water using plasma and sulfate radical anions." In 2013 IEEE 40th International Conference on Plasma Sciences (ICOPS). IEEE, 2013. http://dx.doi.org/10.1109/plasma.2013.6633433.

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Berechet, Mariana Daniela, Demetra Simion, Maria Stanca, et al. "Antibacterial and antioxidant activities of lemon balm (Melissa officinalis L.) essential oil." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.ii.2.

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Lemon balm (Melissa officinalis L.) belongs to the Lamiaceae family. Essential oil extracted from the aerial parts of lemon balm has been investigated for the protection of fruits during storage, as insecticidal, as well as in medicine, due to its bioactive properties. In this paper, the composition and identification of components from Melissa officinalis L. essential oil were determined by gas chromatography coupled with mass spectrophotometry (GC/MS) analysis. Total phenol content (TPC) and the scavenging activity towards 2,2-diphenyl-1-picrylhydrazyl (DPPH·) and 2,2′-azino-bis (3-ethylbenz

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