Academic literature on the topic 'C-H Arylation Reactions'

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Journal articles on the topic "C-H Arylation Reactions"

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Rossi, Renzo, and Maurizio Ciofalo. "Palladium-Catalysed Intermolecular Direct C–H Bond Arylation of Heteroarenes with Reagents Alternative to Aryl Halides: Current State of the Art." Current Organic Chemistry 26, no. 3 (2022): 215–74. http://dx.doi.org/10.2174/1385272826666220201124008.

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Abstract: This unprecedented review with 322 references provides a critical up-to-date picture of the Pd-catalysed intermolecular direct C–H bond arylation of heteroarenes with arylating reagents alternative to aryl halides that include aryl sulfonates (aryl triflates, tosylates, mesylates, and imidazole-1-sulfonates), diaryliodonium salts, [(diacetoxy)iodo]arenes, arenediazonium salts, 1-aryltriazenes, arylhydrazines and N’-arylhydrazides, arenesulfonyl chlorides, sodium arenesulfinates, arenesulfinic acids, and arenesulfonohydrazides. Particular attention has been paid to summarise the prepa
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Dodonova, Jelena, and Sigitas Tumkevicius. "Fused Pyrrolo[2,3-d]pyrimidines (7-Deazapurines) by Palladium-Catalyzed Direct N–H and C–H Arylation Reactions." Synthesis 49, no. 11 (2017): 2523–34. http://dx.doi.org/10.1055/s-0036-1588734.

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Palladium-catalyzed intramolecular direct C–H arylations for the synthesis of hitherto unknown fused hetero systems containing an incorporated pyrrolo[2,3-d]pyrimidine scaffold are described. Pyrimido[5′,4′:4,5]pyrrolo[2,1-a]isoindoles were synthesized from 2,4-di­arylpyrrolo[2,3-d]pyrimidines and o-bromobenzyl bromides by using a cascade N-benzylation/C–H arylation reaction sequence. A series of pyrimido[5′,4′:4,5]pyrrolo[1,2-f]phenanthridines were successfully assembled via a domino process involving the palladium-catalyzed direct double C–H arylation reactions of 2,4,7-triarylpyrrolo[2,3-d]
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Jeyachandran, Rajkumar, Harish Kumar Potukuchi, and Lutz Ackermann. "Copper-catalyzed CuAAC/intramolecular C–H arylation sequence: Synthesis of annulated 1,2,3-triazoles." Beilstein Journal of Organic Chemistry 8 (October 16, 2012): 1771–77. http://dx.doi.org/10.3762/bjoc.8.202.

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Step-economical syntheses of annulated 1,2,3-triazoles were accomplished through copper-catalyzed intramolecular direct arylations in sustainable one-pot reactions. Thus, catalyzed cascade reactions involving [3 + 2]-azide–alkyne cycloadditions (CuAAC) and C–H bond functionalizations provided direct access to fully substituted 1,2,3-triazoles with excellent chemo- and regioselectivities. Likewise, the optimized catalytic system proved applicable to the direct preparation of 1,2-diarylated azoles through a one-pot C–H/N–H arylation reaction.
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Singh, Keisham. "Recent Advances in C–H Bond Functionalization with Ruthenium-Based Catalysts." Catalysts 9, no. 2 (2019): 173. http://dx.doi.org/10.3390/catal9020173.

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The past decades have witnessed rapid development in organic synthesis via catalysis, particularly the reactions through C–H bond functionalization. Transition metals such as Pd, Rh and Ru constitute a crucial catalyst in these C–H bond functionalization reactions. This process is highly attractive not only because it saves reaction time and reduces waste,but also, more importantly, it allows the reaction to be performed in a highly region specific manner. Indeed, several organic compounds could be readily accessed via C–H bond functionalization with transition metals. In the recent past, trem
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Dhankhar, Jyoti, and Ilija Čorić. "Direct C–H Arylation." CHIMIA 76, no. 9 (2022): 777. http://dx.doi.org/10.2533/chimia.2022.777.

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Bonds between hydrogen and carbon atoms are the most frequent type of bonds in organic molecules. The ability to replace hydrogen atoms by making other types of bonds to carbon atoms can enable simpler access to complex organic molecules by substituting multistep synthetic sequences. The use of transition metal catalysts to activate C–H bonds is particularly attractive as it offers control over the reactivity and selectivity through catalyst design. However, such functionalization includes the difficult breaking of strong C–H bonds that are not activated by the presence of other groups. Additi
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Zhang, Ling, Xiaoyan Lin, Dayun Huang, Xue Liu, and Xiangmei Wu. "Recent Advances in Triarylmethane Synthesis." Synthesis 52, no. 16 (2020): 2311–29. http://dx.doi.org/10.1055/s-0040-1707115.

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Triarylmethanes are important molecules in organic chemistry. This review discusses advances in their synthesis summarized in five categories according to the starting materials: (1) benzyl reagents with different leaving groups, such as benzyl alcohols, ethers, esters, phosphates, sulfones, thioethers, sulfonamide, 1,3-dicarbonyls, and ammonium salts; (2) reactions via para- or ortho-quinone methides; (3) arylation of benzyl halides; (4) C–H activation of methylenes; and (5) reactions of aldehydes or N-tosylhydrazones. Triarylmethane derivatives such as 9-arylxanthenones, 9-arylfluorenes, and
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Terai, Seiya, Yuki Sato, Takuya Kochi, and Fumitoshi Kakiuchi. "Efficient synthesis of 3,6,13,16-tetrasubstituted-tetrabenzo[a,d,j,m]coronenes by selective C–H/C–O arylations of anthraquinone derivatives." Beilstein Journal of Organic Chemistry 16 (March 31, 2020): 544–50. http://dx.doi.org/10.3762/bjoc.16.51.

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An efficient synthesis of tetrabenzo[a,d,j,m]coronene derivatives having alkyl and alkoxy substituents at the 3, 6, 13, and 16-positions was achieved based on the ruthenium-catalyzed coupling reactions of anthraquinone derivatives with arylboronates via C–H and C–O bond cleavage. The reaction sequence involving the arylation, carbonyl methylenation, and oxidative cyclization effectively provided various tetrabenzo[a,d,j,m]coronenes in short steps from readily available starting materials. Tetrabenzo[a,d,j,m]coronenes possessing two different types of substituents were obtained selectively by s
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Besson, Thierry, and Corinne Fruit. "Recent Advances in Transition-Metal-Free Late-Stage C-H and N-H Arylation of Heteroarenes Using Diaryliodonium Salts." Pharmaceuticals 14, no. 7 (2021): 661. http://dx.doi.org/10.3390/ph14070661.

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Transition-metal-free direct arylation of C-H or N-H bonds is one of the key emerging methodologies that is currently attracting tremendous attention. Diaryliodonium salts serve as a stepping stone on the way to alternative environmentally friendly and straightforward pathways for the construction of C-C and C-heteroatom bonds. In this review, we emphasize the recent synthetic advances of late-stage C(sp2)-N and C(sp2)-C(sp2) bond-forming reactions under metal-free conditions using diaryliodonium salts as arylating reagent and its applications to the synthesis of new arylated bioactive heteroc
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Ngo, Thang Ngoc, Peter Ehlers, Tuan Thanh Dang, Alexander Villinger, and Peter Langer. "Synthesis of indolo[1,2-f]phenanthridines by Pd-catalyzed domino C–N coupling/hydroamination/C–H arylation reactions." Organic & Biomolecular Chemistry 13, no. 11 (2015): 3321–30. http://dx.doi.org/10.1039/c5ob00013k.

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Keske, Eric C., Brandon D. Moore, Olena V. Zenkina, Ruiyao Wang, Gabriele Schatte, and Cathleen M. Crudden. "Highly selective directed arylation reactions via back-to-back dehydrogenative C–H borylation/arylation reactions." Chem. Commun. 50, no. 69 (2014): 9883–86. http://dx.doi.org/10.1039/c4cc02499k.

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Dissertations / Theses on the topic "C-H Arylation Reactions"

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Sahoo, M. K. "Visible light mediated photoredox catalytic dehydrogenation and C-H arylation reactions." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2018. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/4557.

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Ljungkvist, Oskar. "Mechanochemistry : C-H arylation and annulative π-extension reactions attempted inball mill". Thesis, Uppsala universitet, Institutionen för kemi - BMC, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-382088.

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Tanji, Yutaka. "Steric Effect of Carboxylate Ligands on Pd-Catalyzed C-H Bond Arylation Reactions." Kyoto University, 2020. http://hdl.handle.net/2433/253293.

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Pérez, Janer Ferran. "Palladium in azaheterocyclic synthesis: α-arylation of sulfones, domino processes and C-H carbene insertion reactions". Doctoral thesis, Universitat de Barcelona, 2018. http://hdl.handle.net/10803/586010.

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Among transition metals used in organic chemistry, palladium has greatly contributed to the development of modern organic synthesis. This thesis is focused on the development of novel and efficient methodologies for the synthesis of nitrogen heterocycles employing palladium catalysed reactions. In this work, DFT calculations complement the experimental work in order to gather mechanistic insights of the reported transformations. In the first part of the thesis an exhaustive study of the intramolecular palladium catalysed α-arylation of sulfones is described. This metal-mediated process was su
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Nassiri, Sarah. "Fonctionnalisations régiosélectives de N-oxyde de pyrazolopyridines via des réactions de C-H activation pallado-catalysées." Electronic Thesis or Diss., Orléans, 2024. https://theses.univ-orleans.fr/prive/accesESR/2024ORLE1007_va.pdf.

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Les réactions de C-H activation représentent aujourd’hui une approche attrayante pour l’élaboration de nouveaux systèmes hétérocycliques pouvant avoir des applications dans divers domaines notamment en biologie et en pharmacie. L’objectif de cette thèse est le développement de nouvelles stratégies permettant de fonctionnaliser sélectivement des hétérocycles azotés par des réactions de C-H activation au moyen de la catalyse à base de métaux de transition.Dans la première partie, nous avons mis au point une méthodologie de synthèse, permettant la fonctionnalisation régiosélective en ortho de la
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Naturale, Guillaume. "Approches radicalaires pour la fonctionnalisation directe de quinones à visée anticancereuse." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14635/document.

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Dans le cadre d’un programme de recherche dédié à la découverte de petites molécules à visée anticancéreuse, nous avons envisagé de concevoir des composés originaux dérivés de quinones. Notre premier objectif a été d’élaborer des mimes non-peptidiques de la protéine Smac, susceptibles de participer à relancer le phénomène d’apoptose, dont la structure est rigidifiée par des contraintes conformationnelles. Par ailleurs, les kinases et les phosphatases, jouant des rôles complémentaires de phosphorylation / déphosphorylation dans le cadre du contrôle du cycle cellulaire notamment, apparaissent au
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Skhiri, Aymen. "Réactivité des chlorures de benzènesulfonyle pour l'accès à des hétéroarènes et alcènes arylés via des réactions pallado-catalysées." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S080.

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Au cours de cette thèse, nous nous sommes intéressés à la synthèse d’hétérocycles arylés via l’activation de liaisons sp2 C-H d’hétéroaromatiques et à la synthèse d’alcènes arylés halo-substitués catalysée par le palladium. Les produits obtenus sont considérés comme des briques moléculaires, intéressantes pour les biochimistes, ainsi que pour la préparation de matériaux. Le système catalytique Pd(MeCN)2Cl2/Li2CO3/dioxane permet l’accès direct à une grande variété de molécules arylées à partir d’hétéroarènes ou d’alcènes et de chlorures de benzènesulfonyle. Nous avons mis au point une méthode p
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Eichhorst, Christoph. "Untersuchungen zur Synthese fluoreszenzaktiver aromatischer Polyzyklen durch Palladium-katalysierte Domino-C‒H-Aktivierungen." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2014. http://hdl.handle.net/11858/00-1735-0000-0023-993C-7.

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Sarnpitak, Pakornwit. "Scaffold-oriented Synthesis for Drug Discovery." Thesis, Griffith University, 2017. http://hdl.handle.net/10072/366103.

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The design and synthesis of three different scaffolds of nitrogen heterocycles have been achieved by using either methods described in the literature or newly developed synthetic methodologies/routes. The three synthesised libraries in this thesis were based on Pd-catalysed N-arylations, Castagnoli-Cushman multicomponent reaction, and Rh(II)-catalysed intramolecular C-H insertions. The compounds were successfully synthesised in moderate to excellent yields. Firstly, one of the synthesised diaryl imidazolines was found to be a selective COX-2 inhibitor due to its comparable activity to the appr
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Peng, Yi-Kai, and 彭奕愷. "Facile Synthesis of Benzotrithiophene-Centered HTMs for Perovskite Solar Cells by Pd-Catalyzed C-H Activation/Arylation Reactions." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5panp9.

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碩士<br>國立中央大學<br>化學工程與材料工程學系<br>106<br>We develop new benzotrithiophene (BTT)-base hole-transporting materials, synthesized by 3-fold C-H/C-Br cross-couplings. We use benzotrithiophene as middle core and 3,4-ethylenedioxythiophene (EDOT) as π-linker. In the end group, we use triphenylamines as donors. The reaction conditions have been optimized by several entries and all HTMs have good yields. Perovskite solar cells based on the new HTM YKP03, which has EDOT as π-linker, achieve 14 % of power conversion efficiency with dopants and get over 13 % of PCE under dopant-free condition. Another HTM YP
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Book chapters on the topic "C-H Arylation Reactions"

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Miura, Masahiro, and Tetsuya Satoh. "Arylation Reactions via C-H Bond Cleavage." In Topics in Organometallic Chemistry. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/b104129.

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Yamaguchi, Junichiro, and Kenichiro Itami. "Biaryl Synthesis through Metal-Catalyzed C-H Arylation." In Metal-Catalyzed Cross-Coupling Reactions and More. Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527655588.ch17.

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Satoh, Tetsuya, and Masahiro Miura. "Catalytic Arylation and Vinylation Reactions Directed by Anionic Oxygen Functions via Cleavage of C – H and C – C Bonds." In Topics in Organometallic Chemistry. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/3418_2007_066.

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"Synthetic Methods for Primary Anilines." In Methods and Strategies for C–N Bond Formation Reactions. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781837672615-00145.

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Aryl amines have received significant interest because these compounds widely exist in the structural backbones of ligands, pharmaceuticals, agrochemicals, natural products, and functional materials. In N-arylation reactions, several types of organic electrophile coupling partners such as (pseudo)halides (Ullmann-type and Buchwald–Hartwig couplings) and boronic acids (Chan–Lam coupling) are popular. The main synthetic methods for the preparation of these compounds involving N-arylation utilize aryl halides. Progress has been made with the coupling of arylating reagents which are less expensive
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MacMillan, D. W. C., and A. J. B. Watson. "α-Arylation Reactions." In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00458.

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Stoltz, B. M., and J. T. Mohr. "Arylation of Enolates." In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00406.

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Stoltz, B. M., and J. T. Mohr. "Hiyama-Type Arylation of Esters." In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00412.

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Stoltz, B. M., and J. T. Mohr. "Negishi-Type Arylation of Ketones." In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00413.

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Stoltz, B. M., and J. T. Mohr. "Kumada-Type Arylation of Ketones." In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00414.

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Stoltz, B. M., and J. T. Mohr. "Suzuki-Type Arylation of Amides." In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00415.

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