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Статті в журналах з теми "C-C bond catalysis"
Mejía, Esteban, and Ahmad A. Almasalma. "Recent Advances on Copper-Catalyzed C–C Bond Formation via C–H Functionalization." Synthesis 52, no. 18 (May 19, 2020): 2613–22. http://dx.doi.org/10.1055/s-0040-1707815.
Повний текст джерелаOhtaka, Atsushi. "Recent Progress of Metal Nanoparticle Catalysts for C–C Bond Forming Reactions." Catalysts 11, no. 11 (October 21, 2021): 1266. http://dx.doi.org/10.3390/catal11111266.
Повний текст джерелаSieber, Joshua D., and Toolika Agrawal. "Recent Developments in C–C Bond Formation Using Catalytic Reductive Coupling Strategies." Synthesis 52, no. 18 (May 25, 2020): 2623–38. http://dx.doi.org/10.1055/s-0040-1707128.
Повний текст джерелаNagorny, Pavel, and Zhankui Sun. "New approaches to organocatalysis based on C–H and C–X bonding for electrophilic substrate activation." Beilstein Journal of Organic Chemistry 12 (December 23, 2016): 2834–48. http://dx.doi.org/10.3762/bjoc.12.283.
Повний текст джерелаLu, Yen-Chu, and Julian G. West. "C–C Bond Fluorination via Manganese Catalysis." ACS Catalysis 11, no. 20 (October 4, 2021): 12721–28. http://dx.doi.org/10.1021/acscatal.1c03052.
Повний текст джерелаLu, Yen-Chu, and Julian G. West. "C–C Bond Fluorination via Manganese Catalysis." ACS Catalysis 11, no. 20 (October 4, 2021): 12721–28. http://dx.doi.org/10.1021/acscatal.1c03052.
Повний текст джерелаWang, Yi, Anan Liu, Dongge Ma, Shuhong Li, Chichong Lu, Tao Li, and Chuncheng Chen. "TiO2 Photocatalyzed C–H Bond Transformation for C–C Coupling Reactions." Catalysts 8, no. 9 (August 27, 2018): 355. http://dx.doi.org/10.3390/catal8090355.
Повний текст джерелаSingh, Keisham. "Recent Advances in C–H Bond Functionalization with Ruthenium-Based Catalysts." Catalysts 9, no. 2 (February 12, 2019): 173. http://dx.doi.org/10.3390/catal9020173.
Повний текст джерелаMarchese, Austin D., Bijan Mirabi, Colton E. Johnson, and Mark Lautens. "Reversible C–C bond formation using palladium catalysis." Nature Chemistry 14, no. 4 (March 17, 2022): 398–406. http://dx.doi.org/10.1038/s41557-022-00898-0.
Повний текст джерелаMa, Dongge, Anan Liu, Shuhong Li, Chichong Lu, and Chuncheng Chen. "TiO2 photocatalysis for C–C bond formation." Catalysis Science & Technology 8, no. 8 (2018): 2030–45. http://dx.doi.org/10.1039/c7cy01458a.
Повний текст джерелаДисертації з теми "C-C bond catalysis"
Rousseaux, Sophie. "Palladium-Catalyzed C(sp2)-C(sp3) Bond Formation." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23058.
Повний текст джерелаLomas, Sarah. "C-C bond forming catalysis with alkaline earth acetylides." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604644.
Повний текст джерелаFossey, John Stephen. "Group 10 NCN pincer complexes for C-C bond forming catalysis." Thesis, Queen Mary, University of London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409665.
Повний текст джерелаSzymaniak, Adam Anthony. "Nonracemic Organoboronates by Transition Metal-Catalyzed C-C and C-Si Bond Forming Reactions." Thesis, Boston College, 2018. http://hdl.handle.net/2345/bc-ir:108119.
Повний текст джерелаThis dissertation will describe the development of three transition metal-catalyzed syntheses of nonracemic organoboronates. The first chapter explains the development of a palladium-catalyzed enantiotopic-group-selective cross-coupling of geminal bis(boronates) with alkenyl electrophiles. This process enables the synthesis of highly valuable nonracemic disubstituted allylic boronates. Chapter two describes a palladium-induced 1,2-metallate rearrangement of vinylboron “ate” complexes. The newly developed process incorporates an alternative route for the transmetallation step of Suzuki-Miyaura cross-couplings. Lastly, an enantioselective platinum-catalyzed hydrosilylation of alkenyl boronates is disclosed. This reaction enables the synthesis of nonracemic geminal silylboronates for the divergent synthesis of functionalized
Thesis (PhD) — Boston College, 2018
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Chemistry
Wilkinson, Matthew. "Bulky arylphosphines and arylarsines for catalysis of C-C bond-forming reactions." Thesis, University of Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274605.
Повний текст джерелаTruscott, Fiona Rosemary. "Transition metal catalysed C-C bond formation via C-H functionalisation." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:6a1ef296-8d63-470d-96bd-3e01a887c81f.
Повний текст джерелаZárate, Sáez Cayetana. "C-heteroatom bond-formation via ni-catalyzed c-o bond cleavage." Doctoral thesis, Universitat Rovira i Virgili, 2017. http://hdl.handle.net/10803/401555.
Повний текст джерелаA pesar de que el campo del acoplamiento cruzado ha desarrollado increíbles avances, la gran mayoría de procesos todavía se basa en el uso de halogenuros de arilo. Sin embargo, este tipo de electrófilos presentan una toxicidad intrínseca y, a su vez, su síntesis resulta tediosa, especialmente cuando se trata de halogenuros de arilo altamente funcionalizados. Debido a ello, la comunidad sintética se ha volcado en la búsqueda de alternativas al uso de halogenuros de arilo en química de acoplamiento cruzado. Un gran esfuerzo se ha desarrollado en la última década para implementar los derivados del fenol en este tipo de transformacions debido a la abundancia natural y comercial de dichos compuestos y a su baja toxicidad en comparación con los organohalogenuros. Sin embargo, la alta energía de activación necesaría para romper los enlaces C-O ha limitado considerablemenete el uso de derivados del fenol en reacciones de acomplamineto cruzado, sobre todo si se trata de éteres de metilo. Actualmente la gran mayoría de métodos basados en esta familia de electrófilos se utilizan en la formación de enlaces C-C. De lo contrario, apenas existen técnicas para obtener enlaces C-heteroátomo probablemente debido a la baja reactividad de los nucleófilos donde la densidad de carga negativa reside en un heteroátomo. La presente tesis docotoral se ha centrado en el desarrollo de nuevas metodologías para la creación de enlaces de tipo C-heteroatomo mediante la activción catalítica de enlaces C-O con complejos de Ni. Se han descrito novedosos métodos de sililación y borilación de ésteres y metil éteres de arilo y bencilo. Dichos métodos suponen una via alternativa para la síntesis de silanos y boronatos, los cuales son intermedios de gran utilidad en síntesis orgánica. Además, el descubrimiento de unas condiciones totalmente inusuales para activar enlaces de tipo C-OMe ha abierto nuevas perspectivas sobre la reactividad de este tipo de enlaces y, a la vez, ha sugerido la existencia de nuevos mecanismos de activación.
While the field of cross-coupling has reached remarkable levels of sophistication, the vast majority of processes are still being conducted with organic halide counterparts. Drawbacks associated to their toxicity and the limited accessibility of densely functionalized aryl halides have prompted chemists to develop powerful, yet practical, alternatives. Among these, the utilization of phenol derivatives as coupling partners via C-O bond cleavage would be particularly rewarding due to their readily availability and benign nature. However, the high activation energy required for effecting C–O bond cleavage has become a daunting challenge when devising catalytic techniques using phenol derivatives, specially always-elusive aryl methyl ethers. At present, the vast majority of cross-coupling reactions using phenol derivatives remains confined to C–C bond formation, whereas the formation of C-heteroatom bonds has been poorly studied, likely due to the less reactivity of heteroatom-based nucleophiles. This doctoral thesis has focused on the development of new methodologies for forging C-heteroatom bonds via Ni-catalyzed C-O bond cleavage. It has been described new protocols for the silylation and borylation of aryl and benzyl esters and methyl ethers. These methodologies can be used as useful alternatives towards the synthesis of aryl and benzyl silanes and boronates, incredible important intermediates in organic synthesis. Furthermore, the discovery of unusual, yet surprising, conditions for the cleavage of C-OMe bonds have opened up new vistas towards the reactivity of aryl and benzyl methyls ethers while suggesting new activation pathways.
Bartoszewicz, Agnieszka. "Transition metal-catalysed hydrogen transfer processes for C-C and C-N bond formation : Synthetic studies and mechanistic investigations." Doctoral thesis, Stockholms universitet, Institutionen för organisk kemi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-81596.
Повний текст джерелаMazzarella, Daniele. "C-C and C-B Bond Forming Strategies Driven by the Photoexcitation of Organocatalytic Intermediates." Doctoral thesis, Universitat Rovira i Virgili, 2020. http://hdl.handle.net/10803/669808.
Повний текст джерелаEl principal objetivo científico de mis estudios de doctorado fue demostrar que la reactividad en estado excitado de los intermedios organocatalíticos son capaces de proporcionar nuevas oportunidades para desarrollar nuevas reacciones catalíticas mediante radicales para la formación de enlaces C-C y C-B. La fotoexcitación de intermedios organocatalíticos proporcionaron radicales mediante transferencia de un solo electrón u homólisis. En el Capítulo II, analizo el desarrollo de una funcionalización asimétrica organocatalítica fotoquímica de C-H del tolueno y derivados. Nuestro sistema aprovecha las propiedades oxidativas mejoradas de los iones de iminio quirales excitados con luz visible y el carácter básico de sus contraaniones para activar, a través de una transferencia de electrones acoplada a protones multisitio, derivados de tolueno. El radical resultante es atrapado más tarde por el intermedio organocatalítico quiral con alto estereocontrol. En la segunda parte de mis estudios de doctorado, me concentré en la generación catalítica de compuestos fotolábiles basados en tiocarbonilo para promover la formación de enlaces C-B y C-C. Como se detalla en el Capítulo III, empleamos un organocatalizador nucleofílico de anión ditiocarbonilo para activar electrófilos de alquilo a través de una vía SN2. El producto intermedio resultante que absorbe fotones, tras la absorción de luz visible, genera radicales a través de la escisión homolítica del enlace C-S débil. El radical generado es entonces interceptado por bis(catecolato)diboro para proporcionar productos de éster alquilborónico. El Capítulo IV destaca cómo este enfoque fotolítico se expandió a la activación de los cloruros de acilo y carbamoilo a través de una vía de sustitución de acilo nucleofílica. Los radicales acilo y carbamoilo generados fotoquímicamente se han utilizado en reacciones de tipo Giese con olefinas pobres en electrones para formar nuevos enlaces C-C. Una investigación mecanística detallada, basada en análisis espectroscópicos y electroquímicos junto con la caracterización de intermedios clave, identificó una variedad de equilibrios fuera del ciclo que cooperan para controlar las concentraciones generales de los radicales, contribuyendo a la eficiencia del proceso.
The main scientific objective of my doctoral studies was to demonstrate that the excited-state reactivity of organocatalytic intermediates could provide new opportunities to develop novel catalytic radical C-C and C-B forming reactions. The photoexcitation of organocatalytic intermediates afforded radicals through either single-electron transfer or homolysis. In Chapter II, I discuss the development of an asymmetric organocatalytic photochemical C-H functionalization of toluene and derivatives. Our system harnesses the enhanced oxidative properties of visible-light excited chiral iminium ions and the basic character of their counteranions to activate, through a multisite proton coupled electron transfer, toluene derivatives. The ensuing radical is later trapped by the chiral organocatalytic intermediate with high stereocontrol. In the second part of my doctoral studies, I focused on the catalytic generation of photolabile thiocarbonyl-based compounds to promote the formation of C-B and C-C bonds. As detailed in Chapter III, we employed a nucleophilic dithiocarbonyl anion organocatalyst to activate alkyl electrophiles through an SN2 pathway. The ensuing photon-absorbing intermediate, upon visible light absorption, generates radicals through homolytic cleavage of the weak C-S bond. The generated radical is then intercepted by bis(catecholato)diboron to afford alkyl boronic ester products. Chapter IV highlights how this photolytic approach was expanded to the activation of acyl and carbamoyl chlorides through a nucleophilic acyl substitution pathway. The photochemically generated acyl and carbamoyl radicals have been used in Giese-type reactions with electron-poor olefins to form new C-C bonds. A detailed mechanistic investigation, based on spectroscopic and electrochemical analyses along with the characterization of key intermediates, identified a variety of off-the-cycle equilibriums that cooperate to control the overall concentrations of the radicals, contributing to the efficiency of the process.
Zhang, Qi. "Transition-metal-catalyzed C-F bond formation." Diss., University of Iowa, 2016. https://ir.uiowa.edu/etd/3228.
Повний текст джерелаКниги з теми "C-C bond catalysis"
Mahrwald, Rainer. Enantioselective Organocatalyzed Reactions II: Asymmetric C-C Bond Formation Processes. Dordrecht: Springer Science+Business Media B.V., 2011.
Знайти повний текст джерелаDixneuf, Pierre H., and Henri Doucet, eds. C-H Bond Activation and Catalytic Functionalization II. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29319-6.
Повний текст джерелаDixneuf, Pierre H., and Henri Doucet, eds. C-H Bond Activation and Catalytic Functionalization I. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-24630-7.
Повний текст джерелаKrische, Michael J. Metal Catalyzed Reductive C-C Bond Formation: A Departure from Preformed Organometallic Reagents. Springer London, Limited, 2007.
Знайти повний текст джерелаMahrwald, Rainer. Enantioselective Organocatalyzed Reactions II: Asymmetric C-C Bond Formation Processes. Springer, 2013.
Знайти повний текст джерелаMahrwald, Rainer. Enantioselective Organocatalyzed Reactions II: Asymmetric C-C Bond Formation Processes. Springer, 2016.
Знайти повний текст джерелаJ, Krische Michael, and Breit B, eds. Metal catalyzed reductive C-C bond formation: A departure from preformed organometallic reagents. Berlin: Springer, 2007.
Знайти повний текст джерелаAndersson, Pher G. Innovative Catalysis in Organic Synthesis: Oxidation, Hydrogenation, and C-X Bond Forming Reactions. Wiley & Sons, Incorporated, John, 2012.
Знайти повний текст джерелаAndersson, Pher G. Innovative Catalysis in Organic Synthesis: Oxidation, Hydrogenation, and C-X Bond Forming Reactions. Wiley & Sons, Limited, John, 2012.
Знайти повний текст джерелаAndersson, Pher G. Innovative Catalysis in Organic Synthesis: Oxidation, Hydrogenation, and C-X Bond Forming Reactions. Wiley & Sons, Incorporated, John, 2012.
Знайти повний текст джерелаЧастини книг з теми "C-C bond catalysis"
Vicente, Rubén. "Zinc-Catalyzed CC Bond Formation." In Zinc Catalysis, 119–48. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527675944.ch6.
Повний текст джерелаLi, Hu, and Zhang-Jie Shi. "Catalysis in C-C Activation." In Homogeneous Catalysis for Unreactive Bond Activation, 575–619. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118788981.ch7.
Повний текст джерелаLi, Bin, and Pierre H. Dixneuf. "Ruthenium(II)-Catalysed sp2 C–H Bond Functionalization by C–C Bond Formation." In Ruthenium in Catalysis, 119–93. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/3418_2014_85.
Повний текст джерелаLópez, Luis A., and Jesús González. "Zinc-Catalyzed CN and CO Bond Formation Reactions." In Zinc Catalysis, 149–78. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527675944.ch7.
Повний текст джерелаSako, Makoto, Shinobu Takizawa, and Hiroaki Sasai. "Chapter 18. Vanadium-catalyzed Enantioselective C–C Bond-forming Reactions." In Catalysis Series, 446–63. Cambridge: Royal Society of Chemistry, 2020. http://dx.doi.org/10.1039/9781839160882-00446.
Повний текст джерелаKoga, Nobuaki, and Keiji Morokuma. "Alkene Migratory Insertions and C-C Bond Formations." In Theoretical Aspects of Homogeneous Catalysis, 65–91. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0475-3_3.
Повний текст джерелаWang, Zhong-Xia, and Wang-Jun Guo. "Catalysis In C-Cl Activation." In Homogeneous Catalysis for Unreactive Bond Activation, 1–201. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118788981.ch1.
Повний текст джерелаDeuss, Peter J., Megan V. Doble, Amanda G. Jarvis, and Paul C. J. Kamer. "Hybrid Catalysts for Other CC and CX Bond Formation Reactions." In Artificial Metalloenzymes and MetalloDNAzymes in Catalysis, 285–319. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527804085.ch10.
Повний текст джерелаJun, Chul-Ho, and Jung-Woo Park. "Metal–Organic Cooperative Catalysis in C–C Bond Activation." In Topics in Current Chemistry, 59–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/128_2013_493.
Повний текст джерелаPetersen, Michael, Maria Teresa Zannetti, and Wolf-Dieter Fessner. "Tandem asymmetric C-C bond formations by enzyme catalysis." In Topics in Current Chemistry, 87–117. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/bfb0119221.
Повний текст джерелаТези доповідей конференцій з теми "C-C bond catalysis"
LAULLOO, SABINA, SALMA Moosun, SHABNEEZ Bhewa, and MINU BHOWON. "Palladium Schiff Base Complexes: Potential catalysts for C-C bond reactions." In The 20th International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland: MDPI, 2016. http://dx.doi.org/10.3390/ecsoc-20-a022.
Повний текст джерелаKumar, Anand, and Anchu Ashok. "Catalytic Decomposition of Ethanol over Bimetallic Nico Catalysts for Carbon Nanotube Synthesis." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0039.
Повний текст джерелаLobato, J., P. Can˜izares, M. A. Rodrigo, J. J. Linares, and B. Sa´nchez-Rivera. "Testing Different Catalysts for a Vapor-Fed PBI-Based Direct Ethanol Fuel Cell." In ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2009. http://dx.doi.org/10.1115/fuelcell2009-85055.
Повний текст джерелаJay, Raphael M., Ambar Banerjee, Torsten Leitner, Robert Stefanuik, Ru-Pan Wang, Jessica Harich, Emma Beale, et al. "From Femtosecond Excited-State and Dissociation Dynamics to Nanosecond Reaction Kinetics: Following C-H Bond Activation with X-rays." In International Conference on Ultrafast Phenomena. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/up.2022.tu1a.2.
Повний текст джерелаKim, Jongsik, Marshall S. Abbott, David B. Go, and Jason C. Hicks. "Exploring the Kinetic Contribution of Catalyst-Plasma Interactions to Activate C-H Bonds." In 2017 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2017. http://dx.doi.org/10.1109/plasma.2017.8496178.
Повний текст джерелаZhan, Guodong David, Bodong Li, Timothy Eric Moellendick, Duanwei He, and Jianhui Xu. "New Catalyst-Free Polycrystalline Diamond with Industry-Record Wear Resistance." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204855-ms.
Повний текст джерелаTynyshtykbayev, Kurbangali, Chistos Spitas, Konstantinos Kostas, and Zinetula Insepov. "GRAPHENE LOW-TEMPERATURE SYNTHESIS ON POROUS SILICON." In International Forum “Microelectronics – 2020”. Joung Scientists Scholarship “Microelectronics – 2020”. XIII International conference «Silicon – 2020». XII young scientists scholarship for silicon nanostructures and devices physics, material science, process and analysis. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1551.silicon-2020/40-44.
Повний текст джерелаHenschen, A., та E. Müller. "ON THE FACTOR XIIIa-INDUCED CROSSLINKING OF HUMAN FIBRIN α-CHAINS". У XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644649.
Повний текст джерелаEichenauer, Sabrina, Bernd Weber, and Ernst A. Stadlbauer. "Thermochemical Processing of Animal Fat and Meat and Bone Meal to Hydrocarbon Based Fuels." In ASME 2015 9th International Conference on Energy Sustainability collocated with the ASME 2015 Power Conference, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/es2015-49197.
Повний текст джерелаBolotov, Vasiliy Alexandrovich, Serguei Fedorovich Tikhov, Konstantin Radikovich Valeev, Vladimir Timurovich Shamirzaev, and Valentin Nikolaevich Parmon. "SELECTIVE FORMATION OF LINEAR ALPHA-OLEFINS VIA MICROWAVE CATALYTIC CRACKING OF LIQUID STRAIGHT-CHAIN ALKANES." In Ampere 2019. Valencia: Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9894.
Повний текст джерела