Bibliografias temáticas / Alkyl-Alkyl couplings

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Literatura científica selecionada sobre o tema "Alkyl-Alkyl couplings"

Autor: Grafiati
Publicado: 14 de dezembro de 2024

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Artigos de revistas sobre o assunto "Alkyl-Alkyl couplings"

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Li, Yangyang, Yuqiang Li, Long Peng, Dong Wu, Lei Zhu, and Guoyin Yin. "Nickel-catalyzed migratory alkyl–alkyl cross-coupling reaction." Chemical Science 11, no. 38 (2020): 10461–64. http://dx.doi.org/10.1039/d0sc03217d.

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Saito, Bunnai, and Gregory C. Fu. "Alkyl−Alkyl Suzuki Cross-Couplings of Unactivated Secondary Alkyl Halides at Room Temperature." Journal of the American Chemical Society 129, no. 31 (2007): 9602–3. http://dx.doi.org/10.1021/ja074008l.

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Qin, Tian, Min Zhou, and Jet Tsien. "Unsymmetrical Heterocycle Cross-Couplings Enabled by Sulfur(IV) Reagents." Synlett 31, no. 20 (2020): 1962–66. http://dx.doi.org/10.1055/s-0040-1706412.

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Whereas metal-mediated cross-couplings find broad applications in syntheses of medicines, agrochemicals, and natural products, these powerful transformations have limited utility for Lewis basic substrates (e.g., heteroarenes), wherein basic functionalities coordinate to the metal center, hindering product formation. In this context, we have developed a transition-metal-free cross-coupling reaction mediated by sulfur(IV). This method leverages the ability of simple alkyl sulfinyl(IV) chlorides to form bipyramidal sulfurane complexes to drive a pseudo ‘reductive elimination’ process from the hy
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Saito, Bunnai, and Gregory C. Fu. "Enantioselective Alkyl−Alkyl Suzuki Cross-Couplings of Unactivated Homobenzylic Halides." Journal of the American Chemical Society 130, no. 21 (2008): 6694–95. http://dx.doi.org/10.1021/ja8013677.

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Kunze, Udo, and Rolf Tittmann. "Phosphinsubstituierte Chelatliganden, XXIII [1] Darstellung und NMR-Spektren von Alkyl-arylphosphinothioformamiden, R(Ph)PC(S)NHMe / Phosphine-Substituted Chelate Ligands, XXIII [1] Synthesis and NMR Spectra of Alkyl-arylphosphinothioformamides, R(Ph)PC(S)NHMe." Zeitschrift für Naturforschung B 42, no. 1 (1987): 77–83. http://dx.doi.org/10.1515/znb-1987-0115.

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Abstract A series of alkyl-arylsubstituted N-methyl phosphinothioformamides, R(Ph)PC(S)NHMe (2 a-g), with varying bulkiness of the alkyl rest was synthesized from the racemic secondary phosphines 1a-g and methyl isothiocyanate. 1H and 13C NMR spectra of 2a−g reveal signal sets of diastereotopic nuclei due to the asymmetry of the molecule. The chemical shift and coupling constants were confirmed by simulation in case of 2b, c. The vicinal 31P−13C couplings of the menthyl and neomenthyl compounds 2f, g show an "anti-Karplus" behaviour (3J(gauche) > 3J(trans)) and allow the conformational assi
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Plunkett, Shane, Corey H. Basch, Samantha O. Santana, and Mary P. Watson. "Harnessing Alkylpyridinium Salts as Electrophiles in Deaminative Alkyl–Alkyl Cross-Couplings." Journal of the American Chemical Society 141, no. 6 (2019): 2257–62. http://dx.doi.org/10.1021/jacs.9b00111.

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Bernauer, Josef, Guojiao Wu, and Axel Jacobi von Wangelin. "Iron-catalysed allylation–hydrogenation sequences as masked alkyl–alkyl cross-couplings." RSC Advances 9, no. 54 (2019): 31217–23. http://dx.doi.org/10.1039/c9ra07604b.

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An iron-catalysed allylation of organomagnesium reagents (alkyl, aryl) with simple allyl acetates proceeds under mild conditions (Fe(OAc)<sub>2</sub> or Fe(acac)<sub>2</sub>, Et<sub>2</sub>O, r.t.) to furnish various alkene and styrene derivatives.
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Achonduh, George T., Niloufar Hadei, Cory Valente, Stephanie Avola, Christopher J. O'Brien, and Michael G. Organ. "On the role of additives in alkyl–alkyl Negishi cross-couplings." Chemical Communications 46, no. 23 (2010): 4109. http://dx.doi.org/10.1039/c002759f.

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Baker, Kristen M., Diana Lucas Baca, Shane Plunkett, Mitchell E. Daneker, and Mary P. Watson. "Engaging Alkenes and Alkynes in Deaminative Alkyl–Alkyl and Alkyl–Vinyl Cross-Couplings of Alkylpyridinium Salts." Organic Letters 21, no. 23 (2019): 9738–41. http://dx.doi.org/10.1021/acs.orglett.9b03899.

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Owston, Nathan A., and Gregory C. Fu. "Asymmetric Alkyl−Alkyl Cross-Couplings of Unactivated Secondary Alkyl Electrophiles: Stereoconvergent Suzuki Reactions of Racemic Acylated Halohydrins." Journal of the American Chemical Society 132, no. 34 (2010): 11908–9. http://dx.doi.org/10.1021/ja105924f.

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Teses / dissertações sobre o assunto "Alkyl-Alkyl couplings"

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Chen, Donghuang. "Well-defined iron(II) catalysts for alkyl-aryl and alkyl-alkyl Suzuki-Miyaura and Kumada cross-couplings." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASF081.

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Ce travail de thèse vise à réaliser la formation de liaisons C(sp³)-C(sp²) et C(sp³)-C(sp³) par couplages croisés de Suzuki-Miyaura (S-M) et de Kumada à l'aide de catalyseurs de fer, nouvellement développés, et en mettant l'accent sur l'étude du potentiel applicative de ces catalyseurs en synthèse. Ce travail se concentre aussi sur la mise au point d'une méthode efficace et sélective de 1,2-dicarbofonctionnalisation d'alcènes promue par ces catalyseurs. Le chapitre 1 présente les premières découvertes des couplages croisés médiés par le fer et le développement de catalyseurs de fer pour les co
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Firmansjah, Luke. "Intramolecular Heck couplings of unactivated alkyl electrophiles : synthetic and mechanistic studies." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/41773.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Chemistry, September 2007.<br>"August 2007."<br>Includes bibliographical references.<br>A method for the palladium-catalyzed intramolecular Heck coupling of unactivated alkyl bromides and chlorides is described. The optimal catalyst system was composed of Pd2(MeO-dba)3 as the metal source and N-heterocyclic carbene SIMes as the ligand, and the influence of both parameters is discussed. Reaction of a diastereomerically pure, deuterium-labeled substrate gave only one diastereomer of product, suggesting that the reaction does not proc
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Choi, Junwon Ph D. Massachusetts Institute of Technology. "Nickel-catalyzed asymmetric cross-couplings of secondary alkyl electrophiles and photoinduced, copper-catalyzed C-N couplings." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/93033.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemistry, 2014.<br>Cataloged from PDF version of thesis. Vita.<br>Includes bibliographical references.<br>Chapter 1 describes the development of three nickel-catalyzed asymmetric Negishi cross-couplings of secondary alkyl electrophiles via a stereoconvergent process. In Section 1.1, asymmetric Negishi arylations and alkenylations of [alpha]-bromonitriles with arylzinc and alkenylzinc reagents are achieved using a nickel/bis(oxazoline) catalyst. Section 1.2 describes stereoconvergent cross-couplings of secondary unactivated a
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Zultanski, Susan L. (Susan Lyn). "Nickel-catalyzed cross-couplings of unactivated secondary and tertiary alkyl halides and photoinduced copper-mediated asymmetric C-N cross-couplings." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/84380.

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Thesis (Ph. D. in Organic Chemistry)--Massachusetts Institute of Technology, Dept. of Chemistry, 2013.<br>Cataloged from PDF version of thesis. Vita.<br>Includes bibliographical references.<br>Chapter 1 describes the development of two nickel-catalyzed Suzuki cross-coupling methodologies that employ alkyl halides as electrophiles. In Section 1.1, asymmetric [gamma]-alkylation relative to a carbonyl group is achieved via the stereoconvergent cross-coupling of racemic secondary [gamma]-chloroamides with primary alkylboranes. Section 1.2 describes the first Suzuki carbon-carbon bond-forming react
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Zhou, Jianrong (Jianrong Steve). "Cross-coupling reactions of unactivated alkyl halides." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33655.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2005.<br>Vita.<br>Includes bibliographical references.<br>My graduate research at MIT has been focused on the development of palladium- or nickel-catalyzed cross-coupling reactions using unactivated alkyl electrophiles (e.g., halides and sulfonates). Although aryl and alkenyl electrophiles have been commonly used in such processes, the utility of alkyl substrates has been underdeveloped, and merits further exploration. We have developed the first palladium-based catalyst that is effective for Negishi couplings of prima
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Ursinyova, Nina. "Cyclic sulfamidates as pseudo-alkyl halides in Sp3 -based cross-coupling chemistry." Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.680108.

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The use of cyclic sulfamidates as pseudo-alkyl halides in Sp3 -based cross-coupling chemistry has been studied and two approaches were explored. The first approach involved a transition metal-mediated cross-coupling of cyclic sulfamidates, including studies into the oxidative addition step of the catalytic cycle. Various transition metal catalysts (palladium, nickel and iron) and nucleophiles (zinc, boron, magnesium and tin reagents) were investigated. After extensive screening, the desired cross-coupling was achieved under palladium-catalysed Suzuki-Miyaura conditions, albeit in a low yield (
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Nakajima, Sho. "Mechanistic and Synthetic Studies on Iron-Bisphosphine-Catalyzed Cross-Coupling Reactions of Alkyl Halides." 京都大学 (Kyoto University), 2017. http://hdl.handle.net/2433/225616.

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Zhou, Edouard. "Nouveaux systèmes catalytiques appliqués aux formations de liaisons C—C par couplage croisé catalysé par des sels de fer : applications, mécanismes." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEC008.

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Vuoti, S. (Sauli). "Syntheses and catalytic properties of palladium (II) complexes of various new aryl and aryl alkyl phosphane ligands." Doctoral thesis, University of Oulu, 2007. http://urn.fi/urn:isbn:9789514286483.

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Abstract Thirty three aryl and aryl alkyl phosphane ligands were prepared and characterized for catalytic purposes. The aryl groups in both types of ligands were modified with alkyl substituents (methyl, ethyl, isopropyl, cyclohexyl, phenyl) or hetero substituents (methoxy, N,N-dimethylaniline, thiomethyl). The alkyl groups directly attached to the phosphorous atom were ethyl, isopropyl or cyclohexyl. Mono- and in some cases also dinuclear palladium (II) complexes of the ligands were prepared and characterized. The syntheses of the palladium complexes are solvent-dependent and afford either mo
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Someya, Hidenori. "Studies on Coupling Reactions of Alkyl Halides with Organomagnesium and Organolithium Reagents by Cobalt and Silver Catalysts." 京都大学 (Kyoto University), 2011. http://hdl.handle.net/2433/142231.

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Capítulos de livros sobre o assunto "Alkyl-Alkyl couplings"

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Iwasaki, Takanori, and Nobuaki Kambe. "Ni-Catalyzed C–C Couplings Using Alkyl Electrophiles." In Topics in Current Chemistry Collections. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-49784-6_1.

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Eisenberg, R., and C. Kubiak. "To Alkyl, Hydroxyalkyl, and Alkoxyl Ligands and Reductive Coupling." In Inorganic Reactions and Methods. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145319.ch164.

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Yamamoto, Arisa, Yugo Nishimura, and Yasushi Nishihara. "Recent Advances in Cross-Coupling Reactions with Alkyl Halides." In Lecture Notes in Chemistry. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-32368-3_8.

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Netherton, Matthew R., and Gregory C. Fu. "Palladium-Catalyzed Cross-Coupling Reactions of Unactivated Alkyl Electrophiles with Organometallic Compounds." In Topics in Organometallic Chemistry. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/b104127.

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Pedersen, Steen Uttrup, Torben Lund, Kim Daasbjerg, Mihaela Pop, Ingrid Fussing, and Henning Lund. "Investigation of the Coupling Reaction between Aromatic Radical Anions and Alkyl Radicals." In Novel Trends in Electroorganic Synthesis. Springer Japan, 1998. http://dx.doi.org/10.1007/978-4-431-65924-2_85.

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Sibille, S., J. Y. Nedelec, and J. Perichon. "Nickel-Catalyzed Electrochemical Coupling Reaction Between Alkyl Chlorides and Carbonyl Compounds in the Presence of Sacrificial Zinc Anode. Evidence for Ni-Zn Transmetalation." In Electroorganic Synthesis. Routledge, 2023. http://dx.doi.org/10.1201/9780203758571-49.

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Kantchev, E. A. B., and M. G. Organ. "Couplings of Other Alkyl Organometallic Compounds." In Alkanes. Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-048-00020.

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Panda, S. P., S. K. Hota, A. Jindal, and S. Murarka. "2.1 Base-Metal-Mediated Cross Couplings Using N-(Acyloxy)phthalimides." In Base-Metal Catalysis 2. Georg Thieme Verlag KG, 2023. http://dx.doi.org/10.1055/sos-sd-239-00056.

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AbstractDecarboxylative radical cross couplings involving N-(acyloxy)phthalimides as alkyl halide surrogates have evolved as a powerful strategy to forge a variety of C(sp3)—C and C(sp3)—X (X = B, Si, etc.) bonds. Such single-electron-transfer-induced couplings are robust, chemoselective, and scalable, and are generally mediated by base metals such as nickel, iron, cobalt, and copper. This chapter delineates the significant developments made in this area, including accompanying mechanistic discussions and representative procedures, with an organization that is based on the type of bond formation.
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Kantchev, E. A. B., and M. G. Organ. "Couplings of Alkyl Boron Compounds (Suzuki–Miyaura Reaction) Mediated by Palladium and Nickel." In Alkanes. Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-048-00019.

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Kantchev, E. A. B., and M. G. Organ. "Couplings of Alkyl Grignard Reagents (Kumada–Tamao–Corriu Reaction) Mediated by Copper, Silver, Nickel, Palladium, Iron, and Cobalt." In Alkanes. Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-048-00017.

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Trabalhos de conferências sobre o assunto "Alkyl-Alkyl couplings"

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Brown, Ashlena M., Andria L. Pace, and David W. C. MacMillan. "Photoredox-Catalyzed SH2 Cross-Coupling of Alkyl Chlorides Via Silyl-Radical Mediated Chlorine Atom Abstraction." In 2024 IEEE Integrated STEM Education Conference (ISEC). IEEE, 2024. http://dx.doi.org/10.1109/isec61299.2024.10665109.

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Park, N. S., and D. H. Waldeck. "Evidence for Multidimensional Stilbene Isomerization." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.mc5.

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Different functional groups and their positions in the phenyl ring of stilbene and different solvents cause differences in the dipole moment, mass, volume and the surrounding environment of the solute during isomerization. These different properties of solute and solvent effect the isomerization rate in two ways, one is through the internal activation barrier and the other is the friction experienced by the solute while undergoing isomerization. Because the transition state has significant charge transfer character the dielectric coupling of the reaction coordinate with the solvent can modify
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Nunes, Vanessa Lóren, (PG) Ingryd Cristina de Oliveira, and Olga S. do Rêgo Barros. "Copper(I)-Senelenophene-2-carboxylate Catalyzed Cross- Coupling of Aryl or alkyl Thiols And Aryl Halides." In 14th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0177-1.

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"XPS Analysis of Corona-Treated PVdF Films with Air and Alkyl Methacrylate Monomer as a Coupling Agent." In International Institute of Engineers. International Institute of Engineers, 2015. http://dx.doi.org/10.15242/iie.e0415069.

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Cowart, Jim, Terrence Dickerson, Andy McDaniel, and Dianne Luning Prak. "Using Machine Learning to Predict Derived Cetane Number and Fuel Similarity." In ASME 2022 ICE Forward Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/icef2022-89295.

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Abstract Nearly four hundred different samples of jet and diesel fuels were used to train and test Machine Learning (ML) models for Derived Cetane Number (DCN – ASTM D6890) prediction using eight of the fuels’ physical properties as model inputs. Linear Regression (LR), Artificial Neural Networks (ANNs) and Gaussian based models all showed good performance predicting DCN with nominal prediction errors of 1 to 1.7 cetane numbers (CN). Shallow ANNs showed comparable prediction results as compared to LR, with the Gaussian Exponential Model yielding the best results overall. The DCN prediction mod
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