Relevant bibliographies by topics / Arylation catalysée au palladium

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  2. Dissertations / Theses
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  4. Conference papers

Academic literature on the topic 'Arylation catalysée au palladium'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Arylation catalysée au palladium"

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Prajapati, D., C. Schulzke, M. K. Kindermann, and A. R. Kapdi. "Selective palladium-catalysed arylation of 2,6-dibromopyridine using N-heterocyclic carbene ligands." RSC Advances 5, no. 65 (2015): 53073–85. http://dx.doi.org/10.1039/c5ra10561g.

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A selective palladium-catalysed arylation of 2,6-dibromopyridine has been developed by employing N-heterocyclic carbene ligands. Selective mono-arylation was performed in water/acetonitrile solvent at ambient temperature and low catalyst loading.
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Du, Zhengyin, Hua Feng, Fangli Gang, Yang Che, and Ying Fu. "Palladium-Catalyzed Regioselective C-5 Arylation of 1,2,3-Triazoles with Diaryliodonium Salts." Synlett 28, no. 13 (2017): 1624–29. http://dx.doi.org/10.1055/s-0036-1588815.

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An effective method for C-5 arylation of 1,4-disubstituted 1,2,3-triazoles and C-5 regioselective arylation of 1-substituted 1,2,3-triazoles via sp2 C–H activation with palladium as a catalyst and diaryliodonium salts as arylating reagents is described. Various electron-rich and electron-deficient substituents attached to triazoles and diaryliodonium salts were tolerable to give the desired products with good isolated yields in 24 hours under air atmosphere.
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Urgoitia, Garazi, Maria Teresa Herrero, Fátima Churruca, Nerea Conde, and Raul SanMartin. "Direct Arylation in the Presence of Palladium Pincer Complexes." Molecules 26, no. 14 (2021): 4385. http://dx.doi.org/10.3390/molecules26144385.

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Direct arylation is an atom-economical alternative to more established procedures such as Stille, Suzuki or Negishi arylation reactions. In comparison with other palladium sources and ligands, the use of palladium pincer complexes as catalysts or pre-catalysts for direct arylation has resulted in improved efficiency, higher reaction yields, and advantageous reaction conditions. In addition to a revision of the literature concerning intra- and intermolecular direct arylation reactions performed in the presence of palladium pincer complexes, the role of these remarkably active catalysts will als
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Maiti, Debabrata, Sumon Basak, and Jyoti Prasad Biswas. "Transition-Metal-Catalyzed C–H Arylation Using Organoboron Reagents." Synthesis 53, no. 18 (2021): 3151–79. http://dx.doi.org/10.1055/a-1485-4666.

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AbstractAryl rings are ubiquitous in the core of numerous natural product and industrially important molecules and thus their facile synthesis is of major interest in the scientific community and industry. Although multiple strategies enable access to these skeletons, metal-catalyzed C–H activation is promising due to its remarkable efficiency. Commercially available organoboron reagents, a prominent arylating partner in the cross-coupling domain, have also been utilized for direct arylation. Organoborons are bench-stable, inexpensive, and readily available coupling partners that promise regio
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Smari, Imen, Liqin Zhao, Kedong Yuan, Hamed Ben Ammar, and Henri Doucet. "Reactivity of bromofluorenes in palladium-catalysed direct arylation of heteroaromatics." Catal. Sci. Technol. 4, no. 10 (2014): 3723–32. http://dx.doi.org/10.1039/c4cy00771a.

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Vásquez-Céspedes, Suhelen, Michael Holtkamp, Uwe Karst, and Frank Glorius. "Reusable and Magnetic Palladium and Copper Oxide Catalysts in Direct ortho and meta Arylation of Anilide Derivatives." Synlett 28, no. 20 (2017): 2759–64. http://dx.doi.org/10.1055/s-0036-1589007.

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We report a general, direct C–H arylation of anilide derivatives using reusable palladium or copper oxide on magnetite as heterogeneous precatalysts. Highly selective ortho and meta arylations are achieved using electronically and sterically diverse diaryliodonium salts. Catalytically active soluble species from the heterogeneous precursors were detected by experimental techniques. Preliminary mechanistic investigation suggests different reaction pathways for each of the catalysts.
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Fischer, Carolin, and Burkhard Koenig. "Palladium- and copper-mediated N-aryl bond formation reactions for the synthesis of biological active compounds." Beilstein Journal of Organic Chemistry 7 (January 14, 2011): 59–74. http://dx.doi.org/10.3762/bjoc.7.10.

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N-Arylated aliphatic and aromatic amines are important substituents in many biologically active compounds. In the last few years, transition-metal-mediated N-aryl bond formation has become a standard procedure for the introduction of amines into aromatic systems. While N-arylation of simple aromatic halides by simple amines works with many of the described methods in high yield, the reactions may require detailed optimization if applied to the synthesis of complex molecules with additional functional groups, such as natural products or drugs. We discuss and compare in this review the three mai
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Jin, Rongwei, Charles Beromeo Bheeter, and Henri Doucet. "Hindered aryl bromides for regioselective palladium-catalysed direct arylation at less favourable C5-carbon of 3-substituted thiophenes." Beilstein Journal of Organic Chemistry 10 (May 27, 2014): 1239–45. http://dx.doi.org/10.3762/bjoc.10.123.

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The use of the congested aryl bromide 2-bromo-1,3-dichlorobenzene as coupling partner allows to modify the regioselectivity of the arylation of 3-substituted thiophene derivatives in favour of carbon C5. The coupling of this aryl bromide with a variety of 3-substituted thiophenes gave in all cases the desired 5-arylation products in moderate to good yields using only 0.5 mol % of a phosphine-free and air-stable palladium catalyst. Then, from these 5-arylthiophenes, a second palladium-catalysed C–H bond functionalization at C2 of the thiophene ring allows the synthesis of 2,5-diarylthiophenes w
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Gao, Ke, Keita Yamamoto, Keisuke Nogi, and Hideki Yorimitsu. "Palladium-Catalyzed Arylation of Benzylic C–H Bonds of Azaarylmethanes with Aryl Sulfides." Synlett 28, no. 20 (2017): 2956–60. http://dx.doi.org/10.1055/s-0036-1589098.

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Benzylic C–H arylation of azaarylmethanes with aryl sulfides has been developed by using a Pd-NHC catalyst and an amide base. Various azaarylmethanes and aryl sulfides were involved in the reaction to afford the corresponding diarylmethanes in good to excellent yields. Moreover, triarylmethane synthesis was accomplished through iterative arylations of 2- or 4-methylpyridine with two different aryl sulfides.
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Lian, Zhong, Stig D. Friis та Troels Skrydstrup. "Palladium-catalysed carbonylative α-arylation of nitromethane". Chemical Communications 51, № 17 (2015): 3600–3603. http://dx.doi.org/10.1039/c5cc00123d.

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Dissertations / Theses on the topic "Arylation catalysée au palladium"

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Pierre, Cathleen. "Synthèses de molécules polycycliques par arylation C(sp³)-H intramoléculaire catalysée par le palladium." Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-00975446.

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La synthèse de produits complexes se doit de prendre en compte de nouvelles méthodes desynthèse plus efficaces, dont la fonctionnalisation de liaisons carbone-hydrogène. Dans cecontexte, la catalyse homogène par les métaux de transition s'est avérée performante, tout encontrôlant la régio- et la chimiosélectivité de la réaction. Les travaux de thèse présentés dansce manuscrit témoignent de l'efficacité de cette stratégie pour la construction rapide decomplexité moléculaire.Dans un premier temps, nous nous sommes intéressés à l'utilisation de précurseurs chlorés, cequi a permis d'étendre signif
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Lafrance, Marc. "Development of new palladium-catalyzed arylation reactions." E-theses uOttawa (Restricted to University of Ottawa), 2008. https://login.proxy.bib.uottawa.ca/login?url=http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:NR41635.

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Yagoubi, Myriam. "Synthesis of heterocycles via palladium-catalysed direct arylation." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:e1206b3a-b9e8-4371-a94c-da3bc04c116e.

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Chapter 1 is a brief review on some of the recents developments in palladium-catalysed C-H functionalisation chemistry. The synthesis and functionalisation of heterocycles using these methodologies was particularly emphasised. Chapter 2 presents our efforts to identify a new catalytic system to promote the intramolecular coupling of vinyl bromides with unfunctionalised aryl C-H bonds for the formation of benzofurans. Dihydrobenzofurans were obtained efficiently under mild conditions in the presence of Pd(OAc)₂, X-Phos and K₂CO₃ in DMA at 80 °C and a subsequent one-pot isomerisation under acidi
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Caron, Laurence. "Direct arylation of aromatic rings using palladium catalysis." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28232.

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The first section illustrates the novel route to access the biphenyl motif. Starting from simple materials, nitroarenes and aryl halides, we are able to obtain different cross-coupled products in good to moderate yields using palladium as a catalyst. The optimization of the reaction conditions as well as the various biaryl motifs obtained are described.* The second section summarizes our efforts towards the development of universal reaction conditions that can be used for the arylation of a wide range of heterocycles. Although direct arylation products are available in the literature, no broad
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Darwis, Djaswir. "Arylation de nucléophiles soufrés, phosphorés et halogénés catalysée par des complexes du nickel et du palladium." Montpellier 2, 1991. http://www.theses.fr/1991MON20011.

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La reaction d'arylation de nucleophiles catalysee en milieu homogene par des complexes du nickel et du palladium a ete etudiee en fonction d'une part du degre d'oxydation (zero ou deux) de ces metaux et de leurs ligands (azotes, phosphores ou halogenes) et d'autre part de la nature du nucleophile (thiophenolate, phosphine, phosphite et halogenures d'ammonium). Cette etude a mis en evidence le double role (de nucleophile et de ligand) joue par le substrat a aryler, dans le processus d'addition-oxydante et d'alimination-reductrice sur le metal et a trouve une application dans l'echange brome-iod
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Gatland, Alice Elizabeth. "Palladium-catalysed enolate arylation in the synthesis of isoquinolines." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:f106760d-2375-4d56-81b2-faa6ee96cabc.

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<strong>Chapter 1. Introduction</strong> Scientific background on the development of homogeneous palladium-catalysed cross coupling reactions, focusing on the &alpha;-arylation reaction of enolates and its application to the synthesis of heteroaromatic compounds. The classical syntheses of isoquinolines are discussed, followed by an account of modern methods for their synthesis, including the recent &alpha;-arylation-based methodology developed by the Donohoe group. <strong>Chapter 2. Results and Discussion</strong> 2.1 Studies towards the development of a palladium-catalysed, C–H activation-b
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Péron, Florent. "Activation C-H pallado-catalysée de N-tosylbenzamides : Application à la synthèse d'arènes diversement fonctionnalisés." Caen, 2014. http://www.theses.fr/2014CAEN2004.

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Depuis de nombreuses années, les réactions de couplage pallado-catalysées ont profondément révolutionné le domaine de la synthèse organique. Plus récemment, de nouvelles méthodes reposant sur la fonctionnalisation directe de liaisons C-H de noyaux aromatiques ont suscité un intérêt tout particulier. Cette méthodologie permet désormais la formation régiosélective de liaisons C-C, C-N, C-O et C-X (X : halogène) à partir de matières premières faciles d'accès ne nécessitant pas de fonctionnalisation préalable. Dans le cadre de ces travaux de thèse, nous avons développé des méthodes de fonctionnali
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Esteves, Carlos Henrique Alves. "Palladium-catalysed enolate arylation in the synthesis of aromatic heterocycles and substituted heterocycles." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:b69e1a46-3275-4d77-a043-7207e7c93d59.

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<b>Chapter 1. Introduction</b> A literature background on the early development of the Pd-catalysed cross-coupling reactions and the later discovery of the enolate arylation reaction is presented. In the second part, the literature on pyruvate chemistry is explored, focusing on enantioselective transformations and the synthesis of &alpha;-arylated pyruvate derivatives. The final part presents reported protocols on the synthesis of &beta;-carboline, isoquinoline and indole esters, from the classical approaches to the more recent methodologies based on metal catalysed transformations. <b>Chapter
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Aspin, Samuel. "Arylation migratoire C(sp3)-H d'énolates d'esters." Thesis, Lyon 1, 2013. http://www.theses.fr/2013LYO10298.

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La fonctionnalisation C(sp3)-H catalysée par des métaux de transitions, ouvre de nombreuses perspectives en synthèse organique, permettant des voies d'accès plus économes en atomes, et en étapes à des molécules à forte valeur ajoutée. Dans cette optique, une méthode efficace permettant l'arylation des liaisons C(sp3)-H en position α d'un groupement attracteur, plus communément appelée α -arylation a récemment fait l'objet d'une attention toute particulière de la part de la communauté scientifique. Le travail détaillé dans ce manuscrit décrit les dernières avancées de cette méthodologie, ainsi
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Beydoun, Kassem. "Palladium catalyzed direct arylation of heteroaromatics via C-H bond activation : a green access to fine chemicals and materials." Rennes 1, 2012. http://www.theses.fr/2012REN1S174.

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During this thesis, we were interested in the C-H bonds activation catalyzed by palladium catalysts such PdCl(C₃H₅)(dppb) and ligand-free or ligand associated Pd(OAc)₂ for the préparation of biaryls. This method is considered as cost effective and environmentally attractive compared to other types of couplings such as Suzuki, Stille, or Negishi. First we demonstrated that it is possible to apply C-H bond activation method for the direct arylation of formyl or acetyl halothiophene derivatives. The corresponding products could be further functionalized due to the presence of the halo and carbony
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Book chapters on the topic "Arylation catalysée au palladium"

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Fagnou, Keith. "Mechanistic Considerations in the Development and Use of Azine, Diazine and Azole N-Oxides in Palladium-Catalyzed Direct Arylation." In C-H Activation. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/128_2009_14.

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"1.1.3 Arylation Using a Palladium(II) Catalyst." In Catalytic Transformations via C-H Activation, edited by Yu. Georg Thieme Verlag, 2016. http://dx.doi.org/10.1055/sos-sd-217-00035.

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"1.1.2 Arylation Using a Palladium(II)/Palladium(IV) Catalyst System." In Catalytic Transformations via C-H Activation, edited by Yu. Georg Thieme Verlag, 2016. http://dx.doi.org/10.1055/sos-sd-217-00025.

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Roberto, Steven A., and Robert L. Augustine. "Regioselectivity of the Electrically Modified Palladium Catalyzed Heck Arylation." In Catalysis of Organic Reactions. Routledge, 2017. http://dx.doi.org/10.1201/9781315138855-69.

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Seibel, Zara M., and Tristan H. Lambert. "Construction of Alkylated Stereocenters." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0035.

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Hirohisa Ohmiya and Masaya Sawamura at Hokkaido University reported (Angew. Chem. Int. Ed. 2013, 52, 5350) the copper-catalyzed, γ-selective allylation of terminal alkyne 1 to produce the chiral skipped enyne 3 with high ee. A method to synthe­size asymmetric skipped diene 6 via copper-catalyzed allylic allylation of diene 4 was developed (Chem. Commun. 2013, 49, 3309) by Ben L. Feringa at the University of Groningen. Prof. Feringa also disclosed (J. Am. Chem. Soc. 2013, 135, 2140) the regi­oselective and enantioselective allyl–allyl coupling of bromide 7 with allyl Grignard under Cu catalysis in the presence of phosphoramidite 8. James P. Morken of Boston College reported (Org. Lett. 2013, 15, 1432) the cross-coupling of allylboronate 11 with a mixture of alkenes 10a,b under palladium catalysis to produce diene 13 with high ee. Jian Liao at the Chengdu Institute of Biology Chinese Academy of Sciences and the University of Chinese Academy of Sciences reported (Angew. Chem. Int. Ed. 2013, 52, 4207) the palladium-catalyzed allylic alkylation of indole using the chi­ral bis(sulfoxide) phosphine ligand 15. Yi-Xia Jia at the Zhejiang University of Technology reported (J. Am. Chem. Soc. 2013, 135, 2983) the enantioselective alkyl­ation of indole to produce the trifluoromethyl adduct 19 using nickel catalysis in the presence of bisoxazoline ligand 18. Sarah E. Reisman at the California Institute of Technology disclosed (J. Am. Chem. Soc. 2013, 135, 7442) the reductive cross-coupling of acid chloride 20 and benzyl chloride 21 using a nickel complex with bisoxazoline ligand 22 and manganese(0) as reductant. Ilan Marek at the Technion-Israel Institute of Technology reported (Angew. Chem. Int. Ed. 2013, 52, 5333) a method for the construction of all-carbon quaternary stereocenters, such as the one present in aldehyde 25, using a diastereoselective car­bometallation of cyclopropene 24 followed by oxidation and ring opening. Switching from methyl Grignard and copper iodide to MeCuCNLi reverses the diastereoselec­tivity of the carbometallation and allows access to the opposite enantiomer. Matthew S. Sigman at the University of Utah reported (J. Am. Chem. Soc. 2013, 135, 6830) the redox–relay oxidative Heck arylation of alkenyl alcohol 27 with boronic acid 26 using a palladium catalyst and pyridine oxazole ligand 28 to produce the γ-substituted aldehyde 29.
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Camp, J. E. "Palladium-Catalyzed N-Arylation." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-117-00133.

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Stará, I. G., and I. Starý. "Intramolecular Palladium-Catalyzed Arylation." In Monocyclic Arenes, Quasiarenes, and Annulenes. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-045-01231.

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Schatz, J., and M. Seler. "Palladium-Catalyzed Direct Arylation." In Fully Unsaturated Small-Ring Heterocycles and Monocyclic Five-Membered Hetarenes with One Heteroatom. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-109-00215.

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Malleron, J. L., J. C. Fiaud, and J. Y. Legros. "Tandem Carbonylation-Arylation with Alkynes." In Handbook of Palladium-Catalyzed Organic Reactions. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012466615-3/50024-0.

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Austin, D. J., and S. M. Miller. "Palladium-Catalyzed Arylation with α-Anilinoalkenenitriles." In Three Carbon-Heteroatom Bonds: Esters and Lactones; Peroxy Acids and R(CO)OX Compounds; R(CO)X, X=S, Se, Te. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-021-00090.

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Conference papers on the topic "Arylation catalysée au palladium"

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Sanmartin, Raul, Nerea Conde, Fátima Churruca, María Teresa Herrero, and Esther Domínguez. "A Palladium NCP Pincer Complex as an Efficient Catalyst for Intramolecular Direct Arylation." In MOL2NET, International Conference on Multidisciplinary Sciences. MDPI, 2015. http://dx.doi.org/10.3390/mol2net-1-a004.

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Rampon, Daniel S., Ludger A. Wessjohann, and Paulo H. Schneider. "Palladium-Catalyzed Direct Arylation of Selenophene." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_2013915174110.

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Buarque, Camilla D., Kevin C. de Fraga, and Paulo R. R. Costa. "Synthesis of 11a - Aza-5-deoxi-pterocarpans Via Palladium Aza-arylation of Dihydronaphtalen by Orto-iodoanilines Derivatives." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_201397224911.

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