Littérature scientifique sur le sujet « Coupling Benzynes »
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Articles de revues sur le sujet "Coupling Benzynes"
Ikawa, Takashi, Hideki Kaneko, Shigeaki Masuda, Erika Ishitsubo, Hiroaki Tokiwa et Shuji Akai. « Trifluoromethanesulfonyloxy-group-directed regioselective (3 + 2) cycloadditions of benzynes for the synthesis of functionalized benzo-fused heterocycles ». Organic & ; Biomolecular Chemistry 13, no 2 (2015) : 520–26. http://dx.doi.org/10.1039/c4ob01627k.
Texte intégralBao, Zhicheng, Chaoqiang Wu et Jianbo Wang. « Palladium-Catalyzed Three-Component Coupling of Benzynes, Benzylic/Allylic Bromides and 1,1-Bis[(pinacolato)boryl]methane ». Catalysts 13, no 1 (5 janvier 2023) : 126. http://dx.doi.org/10.3390/catal13010126.
Texte intégralLu, Tianhao, Yong Shen, Min Wang, Zibing Zhang, Shijun Li et Chunsong Xie. « Aerobic Cu-catalyzed oxidative 1 : 2 coupling of benzynes with terminal alkynes ». Chemical Communications 56, no 59 (2020) : 8214–17. http://dx.doi.org/10.1039/d0cc03150j.
Texte intégralLee, Yi-Hsien, Yen-Chung Chen et Jen-Chieh Hsieh. « Pyridine-Catalyzed Double C-N Coupling Reaction of an Isocyanate with Two Benzynes ». European Journal of Organic Chemistry 2012, no 2 (21 novembre 2011) : 247–50. http://dx.doi.org/10.1002/ejoc.201101251.
Texte intégralLee, Yi-Hsien, Yen-Chung Chen et Jen-Chieh Hsieh. « ChemInform Abstract : Pyridine-Catalyzed Double C-N Coupling Reaction of an Isocyanate with Two Benzynes. » ChemInform 43, no 22 (3 mai 2012) : no. http://dx.doi.org/10.1002/chin.201222064.
Texte intégralYang, Yun-Yun, Wang-Ge Shou et Yan-Guang Wang. « Tandem coupling reactions of benzynes and 1,3-diones : a novel synthesis of 2,2-diphenyl-1,3-diones ». Tetrahedron Letters 48, no 46 (novembre 2007) : 8163–65. http://dx.doi.org/10.1016/j.tetlet.2007.09.092.
Texte intégralJeganmohan, Masilamani, Sivakolundu Bhuvaneswari et Chien-Hong Cheng. « A Cooperative Copper- and Palladium-Catalyzed Three-Component Coupling of Benzynes, Allylic Epoxides, and Terminal Alkynes ». Angewandte Chemie International Edition 48, no 2 (2 janvier 2009) : 391–94. http://dx.doi.org/10.1002/anie.200804873.
Texte intégralJeganmohan, Masilamani, Sivakolundu Bhuvaneswari et Chien-Hong Cheng. « A Cooperative Copper- and Palladium-Catalyzed Three-Component Coupling of Benzynes, Allylic Epoxides, and Terminal Alkynes ». Angewandte Chemie 121, no 2 (2 janvier 2009) : 397–400. http://dx.doi.org/10.1002/ange.200804873.
Texte intégralJayanth, Thiruvellore Thatai, Masilamani Jeganmohan et Chien-Hong Cheng. « Highly Efficient Route too-Allylbiaryls via Palladium-Catalyzed Three-Component Coupling of Benzynes, Allylic Halides, and Aryl Organometallic Reagents ». Organic Letters 7, no 14 (juillet 2005) : 2921–24. http://dx.doi.org/10.1021/ol050859r.
Texte intégralDas, Eshani, et Amit Basak. « Regioselective Synthesis of Benzo-Fused Tetrahydroisoquinoline-Based Biaryls through a Tandem One-Pot Halogenation of p-Benzynes from Enediynes and Suzuki-Miyaura Coupling ». Journal of Organic Chemistry 85, no 4 (27 décembre 2019) : 2697–703. http://dx.doi.org/10.1021/acs.joc.9b02874.
Texte intégralThèses sur le sujet "Coupling Benzynes"
Henderson, Jaclyn. « Benzyne in synthesis : a search for palladium catalysed three-component couplings ». Thesis, University of Edinburgh, 2008. http://hdl.handle.net/1842/4868.
Texte intégralPintori, Didier Gil. « Novel benzyne insertion reactions & ; medium-ring synthesis by oxidative C-H coupling ». Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/5669.
Texte intégralJen-Chieh, Hsieh. « Application of Nickel Complexes on the Coupling Reactions and Annulations involving Benzyne, Isocyanate and 1,2-Diiodobenzene Derivatives ». 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0016-1303200709301533.
Texte intégralHsieh, Jen-Chieh, et 謝仁傑. « Application of Nickel Complexes on the Coupling Reactions and Annulations involving Benzyne, Isocyanate and 1,2-Diiodobenzene Derivatives ». Thesis, 2006. http://ndltd.ncl.edu.tw/handle/20375115204749616358.
Texte intégral國立清華大學
化學系
94
The thesis describes dipolar and nickel-catalyzed organic synthesis leading to coupling and cyclization of heterocyclic compounds. It is subdivided into four topics in four chapters. The first chapter describes nickel-catalyzed cyclization of aryne precursors with allene and diyne derivatives resulting in the formation of 9,10-dihydrophenanthrene and naphthalene derivatives in moderate to excellent yields. The second chapter extends the aryne precursors to precede 1,3-dipolar cycloaddition and coupling reaction with azide and isocyanate derivatives to form benzotriazole and diphenylamine derivatives in good to excellent yields. The third chapter deals with reaction of isocyanates with β-iodobenzoate and halobenzene derivatives to form imides and amides. The fourth chapter consists of cycloaddition of 1,2-dihalidearenes with alkynes and diynes to form 1,2,3,4-tetrasubstituted naphthalene derivatives. The first chapter describes the nickel-catalyzed cycloaddition of arynes with allenes and diynes. The arynes could be proceeded cycloaddition with allenes and diynes in the presence of Ni(dppe)Br2, zinc powder and cesium fluoride in acetonitrile at 80 oC to afford the corresponding phenanthrene and naphthalene derivatives in moderate to excellent yields. The phenanthrene derivatives give high regio-, stereo- and chemo selectivity; in contract the naphthalene derivatives afford excellent functional group and fused ring size tolerance. The mechanism of these two reactions is through the intermediate of nickelacyclopentadiene by Ni(0) complex with two molecules of triple bonds, followed by insertion of another one and reductive elimination to form the corresponding products. The second chapter describes the coupling reaction of arynes with azides and isocyanates. The arynes undergo the 1,3-dipolar cycloaddition with azides to form the 1H-benzo[d][1,2,3]triazole derivatives in good to excellent yields with high functional groups tolerance. The arynes could also precede the very unique fluoride promoted coupling reaction with isocyanates in moderate to good yields. The third chapter describes the nickel-catalyzed cycloaddition and coupling reaction of isocyanates with β-iodiesters and arylhalide. In the presence of NiBr2(dppe), additional dppe and zinc powder in acetonitrile at 80 oC, the coupling reaction of isocyanates with β-iodiesters and arylhalide could be succeed to proceed and afford the corresponding imide and amide derivatives in moderate to excellent yields. The reaction of forming imides shows the excellent functional group tolerance, however, the reaction of forming amides reveals the lower yields with limited cases. The fourth chapter describes the nickel-catalyzed cycloaddition of 1,2-dihaloarenes with alkynes and diynes. The 1,2-dihaloarenes undergo cycloaddition with alkynes and diynes in the presence of Ni(dppe)Br2, additional dppe and zinc powder in acetonitrile at 100 oC to afford the corresponding 1,2,3,4-tetra substituted naphthalene products in moderate to excellent yields. Variou alkynes and diynes react with 1,2-dihaloarene derivatives to give good functional group tolerance. The mechanism is proposed by the oxidative addition first, then insertion of a triple bond and coupling with another carbon-halide bond to form the intermediate of nickelacyclobenzopentene. Finally, another triple inserts to the nickel complex and proceeds reductive elimination to afford the corresponding naphthalene products.
Chapitres de livres sur le sujet "Coupling Benzynes"
Taber, Douglass. « Synthesis of Substituted Benzenes : The Carter Synthesis of Siamenol ». Dans Organic Synthesis. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199764549.003.0062.
Texte intégralTaber, Douglass F. « Substituted Benzenes : The Kirsch Synthesis of Cybrodol ». Dans Organic Synthesis. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199965724.003.0063.
Texte intégralTaber, Douglass F. « C–H Functionalization : The Snyder Synthesis of (+)-Scholarisine A ». Dans Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0020.
Texte intégralTaber, Douglass F. « Developments in Flow Chemistry ». Dans Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0017.
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