Academic literature on the topic 'Catalyzed halogen exchange'

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Journal articles on the topic "Catalyzed halogen exchange"

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Nakada, Masahiro, Sei-ichi Tokumoto, and Minoru Hirota. "Fe3O4-Catalyzed Halogen-Exchange Reactions of Polyhalomethanes." Bulletin of the Chemical Society of Japan 60, no. 11 (November 1987): 3979–83. http://dx.doi.org/10.1246/bcsj.60.3979.

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Dorian, Andreas, Emily J. Landgreen, Hayley R. Petras, James J. Shepherd, and Florence J. Williams. "Iron‐Catalyzed Halogen Exchange of Trifluoromethyl Arenes**." Chemistry – A European Journal 27, no. 42 (June 17, 2021): 10839–43. http://dx.doi.org/10.1002/chem.202101324.

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Panferova, Liubov I., Vitalij V. Levin, Marina I. Struchkova, and Alexander D. Dilman. "Light-mediated copper-catalyzed phosphorus/halogen exchange in 1,1-difluoroalkylphosphonium salts." Chemical Communications 55, no. 9 (2019): 1314–17. http://dx.doi.org/10.1039/c8cc09115c.

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Nitelet, Antoine, and Gwilherm Evano. "A General Copper-Catalyzed Vinylic Halogen Exchange Reaction." Organic Letters 18, no. 8 (March 31, 2016): 1904–7. http://dx.doi.org/10.1021/acs.orglett.6b00678.

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Winberg, Karl Johan, Eskender Mume, Vladimir Tolmachev, and Stefan Sjöberg. "Radiobromination ofcloso-carboranes using palladium-catalyzed halogen exchange." Journal of Labelled Compounds and Radiopharmaceuticals 48, no. 3 (January 20, 2005): 195–202. http://dx.doi.org/10.1002/jlcr.914.

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6

Tao, Sheng, Enhui Ji, Lei Shi, Ning Liu, Liang Xu, and Bin Dai. "Copper-Catalyzed C–N Bond Exchange of N-Heterocyclic Substituents around Pyridine and Pyrimidine Cores." Synthesis 49, no. 23 (August 28, 2017): 5120–30. http://dx.doi.org/10.1055/s-0036-1590893.

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A copper-catalyzed transfer N-heteroarylation strategy using a C–N bond exchange reaction is described. This reaction accommodates a wide range of pyridine and pyrimidine rings bearing halogen atoms, which have wide utility for subsequent transformations. This method provides a direct and operationally simple approach for modifying complex molecules by the exchange of N-heterocyclic substituents.
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Dondoni, Alessandro, Marco Fogagnolo, Giancarlo Fantin, Alessandro Medici, and Paola Pedrini. "Masked multifunctionalization of aromatics by palladium-catalyzed halogen-oxazoline exchange." Tetrahedron Letters 27, no. 43 (January 1986): 5269–70. http://dx.doi.org/10.1016/s0040-4039(00)85187-4.

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Klapars, Artis, and Stephen L. Buchwald. "Copper-Catalyzed Halogen Exchange in Aryl Halides: An Aromatic Finkelstein Reaction." Journal of the American Chemical Society 124, no. 50 (December 2002): 14844–45. http://dx.doi.org/10.1021/ja028865v.

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Li, Feifei, Wanting Yang, Mengmeng Li, Lin Zhou, and Lin Lei. "Cationic quaternary ammonium salt-catalyzed LED-induced living radical polymerization with in situ halogen exchange." Polymer Chemistry 11, no. 23 (2020): 3876–83. http://dx.doi.org/10.1039/d0py00474j.

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Cationic quaternary ammonium salts were employed as organocatalysts for light-emitting diode (LED)-induced living radical polymerization (LRP) with the in situ halogen exchange of methacrylate monomers.
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10

Comins, Daniel L., Jason M. Nolan, and Ibrahim D. Bori. "Regioselective lithium–halogen exchange and palladium-catalyzed cross-coupling reactions of 2,4-dihaloquinolines." Tetrahedron Letters 46, no. 39 (September 2005): 6697–99. http://dx.doi.org/10.1016/j.tetlet.2005.07.137.

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Dissertations / Theses on the topic "Catalyzed halogen exchange"

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Langgaard, Kristensen Jesper. "Metalation, halogen-metal exchange and Pd(0) catalyzed cross-coupling reactions : application to the synthesis of substituted aromatic and heteroaromatic systems /." [Cph.] : Department of Medicinal Chemistry, Royal Danish School of Pharmacy, 2001. http://www.dfh.dk/phd/defences/previous2002.htm.

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Tiwari, Rohit. "COMPUTATIONAL AND SYNTHETIC STUDIES ON ANTIMETABOLITES FOR ANTICANCER-, ANTIVIRAL-,AND ANTIBIOTIC DRUG DISCOVERY." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1267819591.

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Eltanany, Gehan. "Sol-gel synthesis and properties of nanoscopic aluminum fluoride." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2007. http://dx.doi.org/10.18452/15679.

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Aluminiumfluorid (HS-AlF3), das mit Hilfe des Sol-Gel-Verfahrens unter nicht-wässrigen Bedingungen hergestellt wird, weist eine extrem große Oberfläche und eine hohe Lewis-Acidität auf, die mit den stärksten bekannten Lewis-Säuren wie SbF5 und ACF vergleichbar ist. Diese ungewöhnlichen Eigenschaften werden im Ergebnis einer neuen Sol-Gel-Synthese erhalten, die die Fluorolyse eines Aluminium-Alkoxids durch wasserfreien Fluorwasserstoff in organischen Lösungsmitteln zur Grundlage hat. Das zunächst in einer amorphen, katalytisch inaktiven Vorstufe mit großer Oberfläche gebildete Gel wird nach anschließender Trocknung mit gasförmigen Fluorierungsmitteln nachfluoriert, wobei die aktive Form des HS-AlF3 erhalten wird. Im Rahmen der vorliegenden Arbeit wurden alle Schritte dieses Syntheseweges untersucht und die Ergebnisse einschließlich einer detaillierten Analyse der erhaltenen Materialien diskutiert. Des Weiteren wurde HS-AlF3 durch eine Imprägnierungs-Methode auf das Trägermaterial Al2O3 aufgetragen, wobei verschiedene Beladungen mit HS-AlF3 getestet wurden. Die Eigenschaften des HS-AlF3/Al2O3 als Lewis-Säure-Katalysator wurden mittels der Dismutierung von CHClF2 und der Isomerisierung von CBrF2CBrFCF3 bestimmt. Die Herstellung von AlFyOx mit Hilfe des Sol-Gel-Verfahrens ist ebenfalls beschrieben, wobei das Produkt amorph ist und eine große Oberfläche von bis zu 240 m2/g aufweist.
Aluminum fluoride (HS-AlF3) prepared via sol-gel synthesis route under non-aqueous conditions exhibits high surface area and an extremely strong Lewis acidity, comparable with some of the strongest known Lewis acids such as SbF5 and ACF. The basis of its unusual properties is the sol-gel fluorination of aluminum alkoxide with anhydrous HF in organic solvents yielding first an amorphous catalytically inactive precursor with high surface area, which can be dried and eventually post-fluorinated to get HS-AlF3. In this thesis, all steps of the synthesis route were thoroughly investigated. The results of these investigations together with detailed analysis of the obtained materials are reported and discussed. HS-AlF3 supported on Al2O3 with different HS-AlF3 loadings was prepared by wet impregnation method. The properties of the HS-AlF3/Al2O3 samples as Lewis acid catalyst were evaluated for CHClF2 dismutation and CBrF2CBrFCF3 isomerization. The preparation of AlFyOx via sol-gel method is also reported. AlFyOx prepared is amorphous and have high surface are up to 240 m2/g.
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