Academic literature on the topic 'Metalation'

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Journal articles on the topic "Metalation"

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Balkenhohl, Moritz, and Paul Knochel. "Regioselective C–H Activation of Substituted Pyridines and other Azines using Mg- and Zn-TMP-Bases." SynOpen 02, no. 01 (2018): 0078–95. http://dx.doi.org/10.1055/s-0036-1591966.

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The metalation of substituted pyridines, diazines and related N-heterocycles using TMPMgCl·LiCl, TMP2Mg·2LiCl, TMPZnCl·LiCl or TMP2Zn·2LiCl2·2MgCl2 (TMP = 2,2,6,6-tetramethylpiperidyl) in the presence or absence of a Lewis acid is reviewed. Contents 1 Introduction2 Magnesiation of Pyridines and Related Azines2.1 Magnesiations using TMPMgCl·LiCl2.2 Magnesiations using TMP2Mg·2LiCl and Related Bases2.3 BF3·OEt2 Promoted Metalations of Pyridines3 Zincation of Pyridines and Related Azines using TMPZnCl·LiCl and TMP2Zn·2LiCl·2MgCl2 4 Metalation of Pyridines using other TMP-Bases5 Magnesiation and Z
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Quéguiner, Guy, Corinne Fruit, Alain Turck, and Nelly Plé. "Metalation of Pyrazinethiocarboxamides. Metalation of Diazines XXVI." HETEROCYCLES 51, no. 10 (1999): 2349. http://dx.doi.org/10.3987/com-99-8625.

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Grazia Cabiddu, Maria, Salvatore Cabiddu, Enzo Cadoni, Rita Cannas, Claudia Fattuoni, and Stefana Melis. "Metalation reactions. XXIV. Metalation of (vinylthio)benzene." Tetrahedron 54, no. 46 (1998): 14095–104. http://dx.doi.org/10.1016/s0040-4020(98)00869-2.

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Cabiddu, S., C. Floris, G. Gelli, and S. Melis. "Metalation reactions." Journal of Organometallic Chemistry 366, no. 1-2 (1989): 1–9. http://dx.doi.org/10.1016/0022-328x(89)87310-3.

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Cabiddu, S., C. Fattuoni, C. Floris, G. Gelli, and S. Melis. "Metalation reactions." Journal of Organometallic Chemistry 419, no. 1-2 (1991): 1–8. http://dx.doi.org/10.1016/0022-328x(91)86159-n.

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Plé, N., A. Turck, A. Heynderickx, and G. Quéguiner. "Synthesis and metalation of trifluoromethylpyrimidines. Metalation of diazines.XVI." Journal of Heterocyclic Chemistry 34, no. 2 (1997): 551–56. http://dx.doi.org/10.1002/jhet.5570340234.

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Blangetti, Marco, Patricia Fleming, and Donal F. O'Shea. "Use of mixed Li/K metal TMP amide (LiNK chemistry) for the synthesis of [2.2]metacyclophanes." Beilstein Journal of Organic Chemistry 7 (September 9, 2011): 1249–54. http://dx.doi.org/10.3762/bjoc.7.145.

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A new two-step general approach to [2.2]metacyclophane synthesis from substituted m-xylenes is described. The strategy employs a selective benzylic metalation and oxidative C–C bond formation for both synthetic operations. Regioselective benzylic metalation is achieved using the BuLi, KOt-Bu, TMP(H) (2,2,6,6-tetramethylpiperidine) combination (LiNK metalation conditions) and oxidative coupling with 1,2-dibromoethane. The synthetic ease of this approach compares favourably with previously reported methods and allows for ready access to potentially useful planar chiral derivatives.
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Ketels, Marthe, Dorothée Ziegler, and Paul Knochel. "Selective Zincation of 1,2-Dicyanobenzene and Related Benzonitriles in Continuous Flow Using In Situ Trapping Metalations." Synlett 28, no. 20 (2017): 2817–22. http://dx.doi.org/10.1055/s-0036-1588837.

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A mild and general metalation procedure for the functionalization of 1,2-dicyanobenzene and related polyfunctionalized benzonitriles using a commercially available continuous flow setup is reported. The addition of TMPLi (TMP = 2,2,6,6-tetramethylpiperidyl) to a mixture of an aromatic substrate with a metallic salt such as ZnCl2 under appropriate conditions (0 °C, 20 s) leads to fast in situ lithiation of the arene followed by transmetalation with ZnCl2 to afford the corresponding functionalized arylzinc compound that were trapped with various electrophiles in high yields. The reaction scope o
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Turck, A., N. Plé, D. Trohay, B. Ndzi, and G. Quéguiner. "Metalation of diazines.VI. Metalation of pivaloylaminopyrazine andN-t-butylpyrazinamide. Unusual regioselectivity in the metalation reaction." Journal of Heterocyclic Chemistry 29, no. 4 (1992): 699–702. http://dx.doi.org/10.1002/jhet.5570290404.

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Fu, J. m., B. p. Zhao, M. J. Sharp, and V. Snieckus. "ortho and remote metalation – cross coupling strategies. Total synthesis of the naturally occurring fluorenone dengibsinin and the azafluoranthene alkaloid imeluteine." Canadian Journal of Chemistry 72, no. 1 (1994): 227–36. http://dx.doi.org/10.1139/v94-035.

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The total synthesis of the naturally occurring fluorenone, dengibsinin (7a), and the azafluoranthene alkaloid, imeluteine (30e), is described. Using combined ortho metalation – cross coupling sequences that terminate in Friedel–Crafts (18b → 6d) and remote metalation (21a,b → 6c,d) reactions, the synthesis of fluorenone dimethyl ethers 6c and 6d is reported. 6c and 6d were shown not to be identical to dengibsinin dimethyl ether and dengibsin dimethyl ether, respectively, derived from the natural products. This work, together with synthetic and structural evidence from Sargent and Talapatra, le
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Dissertations / Theses on the topic "Metalation"

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Timmons, Michael. "Directed Ortho-Metalation of Dimethylarylamines." TopSCHOLAR®, 2002. http://digitalcommons.wku.edu/theses/641.

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Site-specific product(s) from the reaction of benzene derivatives with various reagents is a need of researchers at numerous laboratories, particularly those in the pharmaceutical industry. Such derivatives can be synthesized directly, i.e., by substitution of a proton, using either of two procedures: electrophilic aromatic substitution (EAS) or directed ortho-metalation (DoM). Directed ortho-metalation (DoM) is an alternative aromatic substitution process initiated by organolithium reagents which provides regiospecific substitution exclusively at the ortho- position (equation). The focus of t
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Campbell, Smith Alison May. "Controlling directed metalation in aromatic systems." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610077.

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Shelton, Phillip. "Metalation of the Di- and Tri-Methoxybenzenes." TopSCHOLAR®, 2001. http://digitalcommons.wku.edu/theses/701.

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Hydrocarbon solvents are known to be unreactive towards organolithium reagents and also to afford little support for ortho-metalation reactions. In contrast, both m- and odimethoxybenzene afford 80% "ion-multiple specific" monometalation in hydrocarbon solvent (n-hexane, cyclohexane, toluene) without the addition of any catalyst (ether or amine). These observations are, in part, attributed to the 1,2- and 1,3- formation of the n-BuLi dimer, the most reactive form of n-BuLi. In other words these substrates are acting in a "substrate-catalyzed" manner. Extensions of these concepts to 1,2,3-, 1,2
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Cai, Xiongwei. "Regiospecific synthesis of alkylphenanthrenes using a combined directed ortho metalation, DoM, (Suzuki-Miyaura cross coupling), directed remote metalation, DreM, methodology." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63276.pdf.

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Woosley, Barry. "Directed ortho Metalation in Hydrocarbon Solvents: Opposing Pi-Resonance Effects." TopSCHOLAR®, 2004. http://digitalcommons.wku.edu/theses/539.

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Hydrocarbon solvents are known to be unreactive toward organolithium reagents and do not typically support ortho-metalation reactions without the aid of a promoter. An exception would be an arene substrate having the capability to bidentate complex to the reactive alkyllithium dimer, which enables ortho-metalation to occur in high yields. A second, more limiting exception, would be that the arene substrate possesses localized lone pairs of electrons, as is the case when the directed ortho metalating group (DMG) is located in the benzyl position. The work reported here centers upon developing a
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Friesen, Carl. "Directed Ortho-Metalation of the Three Methyl Anisoles in Various Media." TopSCHOLAR®, 1996. http://digitalcommons.wku.edu/theses/870.

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Directed ortho-metalation (DoM) is a very useful alternative to electrophillic aromatic substitution (EAS) for the synthesis of substituted aromatic compounds. DoM is highly regiospecific providing metalation chiefly in the ortho-position. However, lateral (a-) metalation of an alkyl side-chain and ortho-metalation of a second ortho-position can compete. Investigation of the three methylanisoles was therefore undertaken to determine the interplay between these factors and to discover metalation conditions to achieve selectivity. This goal was uniquely achieved for p-methylanisole where conditi
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Milburn, Claire Louise Maud Jackson. "The directed ortho metalation reaction of aryl O-carbamates on solid support." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63340.pdf.

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Panighel, Mirco. "Adsorption, metalation and magnetic properties of tetra phenyl porphyrins on metal surfaces." Doctoral thesis, Università degli studi di Trieste, 2015. http://hdl.handle.net/10077/10898.

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2013/2014<br>Traditional semiconductor technology will reach a size limit within the next few years. A possible solution could be the use of organic molecules in technological applications as single functional units in metal-organic based devices; the success of this approach strongly depends on the understanding of the behaviour of these molecules on metallic surfaces. The interaction with metallic substrates and the interaction between the molecules themselves determine the electronic and magnetic properties of the system, and it is thus of fundamental interest to study these metal-organic i
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Macklin, Todd Kristopher. "The development of sulfamates as latent directed metalation groups. Total synthesis of schumanniophytine. Divergent synthesis of substituted chromone 3- and 8-carboxamides." Thesis, Kingston, Ont. : [s.n.], 2007. http://hdl.handle.net/1974/925.

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Fässler, Roger. "The metalation of terminal alkynes by Zn" and their addition to nitrones and aldehydes /." Zürich : [s.n.], 2003. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=14936.

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Books on the topic "Metalation"

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Schnürch, Michael, and Marko D. Mihovilovic, eds. Metalation of Azines and Diazines. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35022-1.

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Gribble, Gordon W., ed. Metalation of Azoles and Related Five-Membered Ring Heterocycles. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-31791-0.

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Metalation Of Azines And Diazines. Springer-Verlag Berlin and Heidelberg GmbH &, 2013.

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Schnürch, Michael, and Marko D. Mihovilovic. Metalation of Azines and Diazines. Springer, 2013.

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Schnürch, Michael, and Marko D. Mihovilovic. Metalation of Azines and Diazines. Springer, 2015.

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Gribble, Gordon W. Metalation of Azoles and Related Five-Membered Ring Heterocycles. Springer, 2012.

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Gribble, Gordon W. Metalation of Azoles and Related Five-Membered Ring Heterocycles. Springer, 2014.

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Metalation of Azoles and Related Five-Membered Ring Heterocycles. Springer London, Limited, 2012.

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Metalation of Azines and Diazines (Topics in Heterocyclic Chemistry Book 31). Springer, 2013.

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Metalation of Azoles and Related FiveMembered Ring Heterocycles Topics in Heterocyclic Chemistry. Springer, 2012.

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Book chapters on the topic "Metalation"

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Pelkey, Erin T. "Metalation of Indole." In Topics in Heterocyclic Chemistry. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/7081_2010_56.

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Kishbaugh, Tara L. S. "Metalation of Pyrrole." In Topics in Heterocyclic Chemistry. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/7081_2012_76.

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Mordini, Alessandro, Daniela Peruzzi, Francesco Russo, and Gianna Reginato. "Highly Selective Metalation Reactions." In NATO Science Series II: Mathematics, Physics and Chemistry. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6793-8_15.

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Fu, Liangfeng. "Metalation of Oxazoles and Benzoxazoles." In Topics in Heterocyclic Chemistry. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/7081_2012_81.

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Roy, Sudipta, Sujata Roy, and Gordon W. Gribble. "Metalation of Pyrazoles and Indazoles." In Topics in Heterocyclic Chemistry. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/7081_2012_82.

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Plé, Nelly, and Corinne Fruit. "Metalation of Pyrazine and Quinoxaline." In Topics in Heterocyclic Chemistry. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/7081_2012_95.

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Badenock, Jeanese C. "Metalation Reactions of Isoxazoles and Benzisoxazoles." In Topics in Heterocyclic Chemistry. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/7081_2012_80.

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Horkel, Ernst. "Metalation of Pyridazine, Cinnoline, and Phthalazine." In Topics in Heterocyclic Chemistry. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/7081_2012_97.

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Rayner, C. M., and M. A. Graham. "Metalation." In Fused Five-Membered Hetarenes with One Heteroatom. Georg Thieme Verlag KG, 2001. http://dx.doi.org/10.1055/sos-sd-010-00232.

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Murphy, P. J. "Metalation." In Fused Five-Membered Hetarenes with One Heteroatom. Georg Thieme Verlag KG, 2001. http://dx.doi.org/10.1055/sos-sd-010-00462.

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Conference papers on the topic "Metalation"

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Cavalcante Silva, S., J. H. Batista, Moraes F., N. de A. Pereira, and G. C. Clososki. "Directed Metalation of Aromatic Aldimines Using Li/Mg-TMP Amides." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_2013926134127.

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Bidan, G., M. Billon, B. Blohorn, J. M. Kern, and J. P. Sauvage. "Reversible metalation/demetalation of a polypyrrole matrix builds around catenand complexing cavities." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835242.

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Nencka, Radim, Hubert Hřebabecký, Ivan Votruba, Martin Dračínský, and Antonín Holý. "Metalation of 6-halo-2,4-dimethoxypyrimidines as the key step for the synthesis of biologicaly active compounds." In XIVth Symposium on Chemistry of Nucleic Acid Components. Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 2008. http://dx.doi.org/10.1135/css200810249.

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Silalahi, Imelda Hotmarisi, Winda Rahmalia, Uray Amira Naselia, and Thamrin Usman. "Metalation effect (M= Cu(II), Zn(II)) of bixin isolated from annato seeds (Bixa orellana L.) towards electronic transition in solvents." In 3RD CONFERENCE ON INNOVATION IN TECHNOLOGY AND ENGINEERING SCIENCE 2022 (CITES2022): Innovation in Technology and Science for New Era of Engineering Professionalism. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0201337.

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