Relevant bibliographies by topics / ?-Deficient heterocycles

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic '?-Deficient heterocycles'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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Journal articles on the topic "?-Deficient heterocycles"

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Hu, Dehua, Miaochang Liu, Huayue Wu, Wenxia Gao, and Ge Wu. "Copper-catalyzed diarylation of Se with aryl iodides and heterocycles." Organic Chemistry Frontiers 5, no. 8 (2018): 1352–55. http://dx.doi.org/10.1039/c8qo00066b.

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The site-selective copper-catalyzed three-component coupling reaction of electron-deficient heterocycles, Se powder and aryl iodides is disclosed, providing an efficient and practical pathway to access 2-arylselenated heterocycles.
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Antuf’eva, A. D., M. V. Dmitriev, O. A. Maiorova та ін. "New π-Conjugated Ferrocenyl-Substituted Heterocyclic Systems Containing Electron-Deficient Aromatic Nitrogen Heterocycles". Russian Journal of Organic Chemistry 54, № 9 (2018): 1350–57. http://dx.doi.org/10.1134/s1070428018090142.

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Mattson, Ronald J., and Charles P. Sloan. "Ortho-directed lithiation in .pi.-deficient diazinyl heterocycles." Journal of Organic Chemistry 55, no. 10 (1990): 3410–12. http://dx.doi.org/10.1021/jo00297a085.

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Dou, Gui-Yuan, Yang-Ye Jiang, Kun Xu, and Cheng-Chu Zeng. "Electrochemical Minisci-type trifluoromethylation of electron-deficient heterocycles mediated by bromide ions." Organic Chemistry Frontiers 6, no. 14 (2019): 2392–97. http://dx.doi.org/10.1039/c9qo00552h.

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Ma, Zhengning, Zicheng Ma, and Dawei Zhang. "Synthesis of Multi-Substituted Pyrrole Derivatives Through [3+2] Cycloaddition with Tosylmethyl Isocyanides (TosMICs) and Electron-Deficient Compounds." Molecules 23, no. 10 (2018): 2666. http://dx.doi.org/10.3390/molecules23102666.

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Pyrrole and its polysubstituted derivatives are important five-membered heterocyclic compounds, which exist alone or as a core framework in many pharmaceutical and natural product structures, some of which have good biological activities. The Van Leusen [3+2] cycloaddition reaction based on tosylmethyl isocyanides (TosMICs) and electron-deficient compounds as a substrate, which has been continuously developed due to its advantages such as operationally simple, easily available starting materials, and broadly range of substrates, is one of the most convenient methods to synthetize pyrrole heter
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Khan, Rahat H., and Romesh C. Rastogi. "Condensed heterocycles: synthesis and antifungal activity of .pi.-deficient pyrimidines linked with .pi.-rich heterocycles." Journal of Agricultural and Food Chemistry 39, no. 12 (1991): 2300–2303. http://dx.doi.org/10.1021/jf00012a042.

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Fernandes, Sara, João Aires-de-Sousa, Michael Belsley, and M. Raposo. "Synthesis of Pyridazine Derivatives by Suzuki-Miyaura Cross-Coupling Reaction and Evaluation of Their Optical and Electronic Properties through Experimental and Theoretical Studies." Molecules 23, no. 11 (2018): 3014. http://dx.doi.org/10.3390/molecules23113014.

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A series of π-conjugated molecules, based on pyridazine and thiophene heterocycles 3a–e, were synthesized using commercially, or readily available, coupling components, through a palladium catalyzed Suzuki-Miyaura cross-coupling reaction. The electron-deficient pyridazine heterocycle was functionalized by a thiophene electron-rich heterocycle at position six, and different (hetero)aromatic moieties (phenyl, thienyl, furanyl) were functionalized with electron acceptor groups at position three. Density Functional Theory (DFT) calculations were carried out to obtain information on the conformatio
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Guillier, Fabricee, François Nivoliers, Jean Bourguignon, et al. "Metalation of pi-deficient heterocycles a facile synthesis of cerpegin." Tetrahedron Letters 33, no. 48 (1992): 7355–56. http://dx.doi.org/10.1016/s0040-4039(00)60186-7.

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Bergman, Brian, Richard Holmquist, Ryan Smith, et al. "Functionalizing Heterocycles by Electron-Deficient Bonding to a Triosmium Cluster." Journal of the American Chemical Society 120, no. 49 (1998): 12818–28. http://dx.doi.org/10.1021/ja981445e.

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Undheim, Kjell, Tore Benneche, J. Chattopadhyaya, et al. "Metalation and Metal-Assisted Bond Formation in pi-Electron Deficient Heterocycles." Acta Chemica Scandinavica 47 (1993): 102–21. http://dx.doi.org/10.3891/acta.chem.scand.47-0102.

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Dissertations / Theses on the topic "?-Deficient heterocycles"

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Vidal, Albalat Andreu. "Asymmetric epoxidation of electron-deficient olefins and synthetic applications." Doctoral thesis, Universitat Jaume I, 2016. http://hdl.handle.net/10803/396342.

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Aquest treball expandeix l'utilitat sintètica dels nitroepòxids, fent d'ells excel·lents precursors de 1,4-diazaheterocicles; com per exemple, quinoxalines, tetrahidroquinoxalines, piperazines i pirazines. Mitjançant una metodologia simple i efectiva, es poden sintetitzar fàcilment compostos saturats (piperazines, tetrahidroquinoxalines) o insaturats (quinoxalines, pirazines), controlant que les condicions siguen reductives o oxidants respectivament. També s'ha reportat la síntesi d'altres heterocicles com tiomorfolines i morfolinols. D'altra banda, s'ha exposat l'epoxidació asimètrica de nit
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Chartoire, Anthony. "Synthèse et fonctionnalisation des furo[3,2-b]- et [2,3-c]pyridines par voie organométallique." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10081/document.

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Le travail décrit dans ce mémoire concerne l'étude de la métallation régiosélective de deux bicycles fusionnés complexes : les furo[3,2-b]- et [2,3-c]pyridines. L'influence de la nature du système basique sur le cours de la réaction et sur la régiosélectivité de la lithiation a été étudiée avec différentes bases : n-BuLi, LTMP, LDA et [n-BuLi/LiDMAE]. D'un point de vue fondamental, cette étude nous a permis d'établir quelques règles pour la fonctionnalisation des hétérocycles complexes, ce qui nous a conduit à l'obtention efficace et rapide d'une vaste chimiothèque de furo[3,2-b]- et [2,3-c]py
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Jasselin-Hinschberger, Adeline. "Polyfonctionnalisations sélectives par voie organométallique en série furopyridines : développement de procédés séquentiels et "one-pot" originaux." Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0163/document.

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Le travail décrit dans ce mémoire concerne l'étude de la métallation régiosélective d’un bicycle fusionné: la furo[3,2-B]pyridine. L'influence de la nature du système basique sur le cours de la réaction et sur la régiosélectivité de la lithiation a été étudiée avec différentes bases : n-BuLi, LiTMP, LiDA et [n-BuLi/LiDMAE]. D'un point de vue fondamental, cette étude nous a permis d'établir quelques règles pour la fonctionnalisation des furopyidines, ce qui nous a conduit à l'obtention efficace et rapide d'une vaste chimiothèque de furo[3,2-B]pyridines polyfonctionnalisées et refonctionnalisabl
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Poole, Darren L. "Studies towards the nucleophilic dearomatisation of electron-deficient heteroaromatics and hydrogen borrowing reactions of methanol." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:d9b862ca-1680-42eb-b93b-a1a7d44e1a75.

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<strong>Introduction – Dearomatisation of Heteroaromatic Compounds</strong> The introduction provides a survey of dearomatisation reaction of heteroaromatics, with a particular focus on pyridines/pyridinium salts and furans. The mechanism, scope, and limitations of various approaches are covered, along with the goals of this project. <strong>Results and Discussion – Dearomatisation of Electron-Deficient Heteroaromatics</strong> This chapter initially explores the asymmetric addition of organometallic nucleophiles to pyridinium salts bearing a chiral counterion. Unfortunately, this approach ult
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Chen, Guan-Yu, and 陳冠宇. "1.Microwave-Promoted Synthesis of Selenoesters Through Coupling Reaction of Aldehydes with Diselenides2.DTBP/AlCl3 Mediated Selenation of Electron-Deficient N-Heterocycles." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/85345511607213147944.

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碩士<br>國立中興大學<br>化學系所<br>104<br>In the first part of this thesis, microwave-assisted DTBP-promoted C-H selenation of aldehydes with diselenides under metal-free and solvent-free conditions. This approach enables the synthesis of selenoesters in short reaction time (30 min). The system shows good functional group compatiblility, functional groups including bromo, trifluoromethyl, chloro and heterocyclo-containing moieties including thiophene and furan are all tolerated by the reaction conditions employed. Both diaryl and dialkyl diselenides reacted smoothly with aldehydes to provide selenoesters
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Book chapters on the topic "?-Deficient heterocycles"

1

Undheim, Kjell, and Tore Benneche. "Organometallics in Coupling Reactions in π-Deficient Azaheterocycles." In Advances in Heterocyclic Chemistry. Elsevier, 1995. http://dx.doi.org/10.1016/s0065-2725(08)60424-9.

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Queguiner, Guy, Francis Marsais, Victor Snieckus, and Jan Epsztajn. "Directed Metalation of Pi-Deficient Azaaromatics: Strategies of Functionalization of Pyridines, Quinolines, and Diazines." In Advances in Heterocyclic Chemistry Volume 52. Elsevier, 1991. http://dx.doi.org/10.1016/s0065-2725(08)60965-4.

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