Academic literature on the topic 'Heteroatom Bond'
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Journal articles on the topic "Heteroatom Bond"
Kotun, Stefan P., and Darryl D. DesMarteau. "Superacid-induced ring-opening reactions of fluorinated heterocycles." Canadian Journal of Chemistry 67, no. 11 (November 1, 1989): 1724–28. http://dx.doi.org/10.1139/v89-265.
Full textKadjo, François Kassi, Sopi Thomas Affi, Yao Silvère Diki N’guessan, Mamadou Guy-Richard Koné, Georges Stéphane Dembélé, and Nahossé Ziao. "Theoretical Characterization of the Hydrogen Bonding Interaction Sites of Mycolactone C Using the ONIOM Method." Mediterranean Journal of Chemistry 11, no. 2 (April 26, 2021): 185. http://dx.doi.org/10.13171/mjc02104261574mgrk.
Full textYamamoto, Yuki, Qiqi Chen, and Akiya Ogawa. "Diphenyl Diselenide-Assisted Radical Addition Reaction of Diphenyl Disulfide to Unsaturated Bonds upon Photoirradiation." Molecules 28, no. 6 (March 7, 2023): 2450. http://dx.doi.org/10.3390/molecules28062450.
Full textCorrea, Arkaitz, Olga García Mancheño, and Carsten Bolm. "Iron-catalysed carbon–heteroatom and heteroatom–heteroatom bond forming processes." Chemical Society Reviews 37, no. 6 (2008): 1108. http://dx.doi.org/10.1039/b801794h.
Full textZou, Song, Sheng Wang, and Chanjuan Xi. "ROTf-induced annulation of heteroatom reagents and unsaturated substrates leading to cyclic compounds." Royal Society Open Science 5, no. 11 (November 2018): 181389. http://dx.doi.org/10.1098/rsos.181389.
Full textSkalik, Joanna, Marek Koprowski, Ewa Różycka-Sokołowska, and Piotr Bałczewski. "The hetero-Friedel-Crafts-Bradsher Cyclizations with Formation of Ring Carbon-Heteroatom (P, S) Bonds, Leading to Organic Functional Materials." Materials 13, no. 21 (October 23, 2020): 4751. http://dx.doi.org/10.3390/ma13214751.
Full textWaldman, Abraham J., Tai L. Ng, Peng Wang, and Emily P. Balskus. "Heteroatom–Heteroatom Bond Formation in Natural Product Biosynthesis." Chemical Reviews 117, no. 8 (April 4, 2017): 5784–863. http://dx.doi.org/10.1021/acs.chemrev.6b00621.
Full textZybill, Christian. "The silicon heteroatom bond." Inorganica Chimica Acta 202, no. 1 (December 1992): 119–20. http://dx.doi.org/10.1016/s0020-1693(00)85362-1.
Full textEaborn, Colin. "The silicon-heteroatom bond." Journal of Organometallic Chemistry 427, no. 3 (April 1992): C41. http://dx.doi.org/10.1016/0022-328x(92)80084-b.
Full textCai, Xiao-Hua, Meng-Zhi Yang, and Bing Xie. "Recent Investigations on the Functionalizations of C(sp3)-H Bonds Adjacent to a Heteroatom." Letters in Organic Chemistry 16, no. 10 (August 23, 2019): 779–801. http://dx.doi.org/10.2174/1570178616666190123131353.
Full textDissertations / Theses on the topic "Heteroatom Bond"
Zárate, 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.
Full textA 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.
van, Rooy Sara Emily. "Reactivity of rhodium-heteroatom bonds: from catalytic bond activation to new strategies for olefin functionalization." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/444.
Full textNiljianskul, Nootaree. "New Pd and Cu-based catalysts for carbon-heteroatom bond formation." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98784.
Full textCataloged from PDF version of thesis.
Includes bibliographical references.
The research presented in this dissertation is aimed at the development of novel methodologies for carbon-heteroatom cross-coupling reactions catalyzed by late-transition metals. Both palladium and copper are central to the field of transition metal-catalysis and are integral to the catalyst systems developed as part of our continual advancement in cross-coupling reactions. The first part of this thesis focuses on the use of palladium catalysts to form carbon-sulfur bonds directed towards aryl sulfonamide synthesis. The second part of the thesis describes the recent development in the copper(!) hydride mediated formation of carbon-nitrogen bonds via hydroamination of olefins. Part I. Chapter 1. Palladium-Catalyzed Chlorosulfonylation of Arylboronic Acids Using a biaryl phosphine ligand platform, the first palladium-catalyzed cross-coupling reaction of phenyl chlorosulfate with arylboronic acids was achieved. In this context, the arylsulfonyl chloride products serve as useful precursors to a variety of sulfonyl functional groups, such as aryl sulfonamides, aryl sulfones, and arenesulfonate esters. In particular, this method allows for the preparation of a number of arylsulfonyl chlorides that are not accessible via electrophilic aromatic substitution pathways and under mild reaction conditions. Additionally, this methodology points to an unprecedented selectivity for the phenylchlorosulfate electrophiles used in the cross-coupling reactions. Part II. Chapter 2. Enantio- and Regioselective Copper-Catalyzed Hydroamination of Styrenes and the Extension of the Methodology towards Anti-Markovnikov Hydroamination of Terminal Aliphatic Alkenes The development of a copper-mediated strategy towards the hydroamination of styrene derivatives is reported. In this system, the reaction proceeds regioselectively and enantioselectively to generate [alpha]-branched amines. The system can transform a wide variety of substituted styrenes, including trans-, cis-, and [beta]-disubstituted styrenes. In addition, our extension to copper-catalyzed hydroamination reactions of unactivated aliphatic olefins is reported. Using terminal aliphatic alkenes, the copper-catalyzed hydroamination reactions proceed with anti-Markovnikov regioselectivity. Preliminary results point to the application of this methodology towards [beta]-chiral amine synthesis via the hydroamination of I, 1-disubstituted alkenes. Chapter 3. [alpha]-Aminosilane Synthesis via Copper-Catalyzed Hydroamination of Vinylsilanes The copper-catalyzed hydroamination of vinylsilanes is described. This regioselective reaction generates a-chiral aminosilanes in high yields and enantioselectivities. The method is compatible with differentially substituted vinylsilanes and allows access to many valuable chiral organosilicon compounds. Chapter 4. Synthesis of [gamma]-Chiral Amines via Copper-Catalyzed Hydroamination of 3,3- Disubstituted Allylic Alcohols and 3,3-Disubstituted Allylic Benzoates An investigation into the copper-catalyzed hydroamination of allylic alcohols and allylic benzoates is reported. The reaction proceeds via a [beta]-alkoxy elimination, setting a stereogenic center at the 3-postion to generate [gamma]-chiral amine products. The reaction is more efficient using allylic benzoates. This method is completely regioselective and is applicable to aliphatic allylic benzoates as well as aromatic allylic benzoates. Additionally, we demonstrated that this strategy is applicable towards an allylic epoxide substrate to generate [delta]-chiral amine.
by Nootaree Niljianskul.
Ph. D. in Organic Chemistry
Ly, Tuan Q. "New heteroatom ligands and metalla-heterocycles via P-N bond formation." Thesis, Loughborough University, 1997. https://dspace.lboro.ac.uk/2134/32271.
Full textOliver, Thomas Albert Anthony. "Exploring photoinduced heteroatom-H bond fission in the gas and solution phases." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541647.
Full textDe, Fusco Claudia. "Stereoselective carbon-carbon and carbon-heteroatom bond formation mediated by bifunctional organocatalysts." Doctoral thesis, Universita degli studi di Salerno, 2013. http://hdl.handle.net/10556/1323.
Full textThis PhD work describes the development of different Michael and Michael type processes employing different bifunctional organocatalysts. All the processes studied involved a non-covalent activation of the substrates provided by the organic promoters. An asymmetric epoxidation of electron-poor trisubstituted olefins has been developed by employing the commercially available diphenyl prolinol which afforded the epoxides in high yield, complete diastereocontrol and good enantioselectivity. Diaryl prolinols were found to promote a Michael addition of -ketoesters to nitroalkenes. An unexpected high efficiency and stereocontrol was observed with hexafluorobenzene as unconventional solvent, but also employed as an additive. A convenient tandem double Michael addition process was developed to access symmetrically and unsymmetrically 3,5-diaryl substituted cyclohexanones by using quinine as catalyst. An aziridination reaction of terminal electron-poor olefins has been disclosed by using a commercially available aminothiourea catalyst. The desired aziridines, bearing a quaternary stereocenter, were isolated in good yield and enantiocontrol. These compounds, were regioselectively ring-opened to access valuable ,-disubstituted -amino ester derivatives. Finally an asymmetric Fischer indolization to produce helical molecules was investigated employing a chiral phosphoric acid as promoter and an ion-exchange polymer as ammonia scavenger. [edited by author]
XI n.s.
Maluenda, Borderas Irene. "(N-heterocyclic carbene) : metal catalysed carbon-carbon and carbon-heteroatom bond-forming reactions." Thesis, University of Sussex, 2018. http://sro.sussex.ac.uk/id/eprint/76274/.
Full textTsang, Melanie Wing-Sze. "Pd-catalysed carbon-heteroatom bond formation and urea synthesis in supercritical carbon dioxide." Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614105.
Full textCasitas, Montero Alícia. "Reactivity of well-defined organometallic copper(III) complexes in carbon-heteroatom bond forming reactions." Doctoral thesis, Universitat de Girona, 2012. http://hdl.handle.net/10803/81985.
Full textAquesta tesi es centra en el camp de la química organometàl•lica del coure(III) que roman sense explorar. Els complexos arilcoure(III) s'han proposat com a intermedis clau en les reaccions de condensació Ullmann que consisteixen en l'acoblament d'halurs d'arils i nucleòfils basats en heteroàtoms catalitzades amb coure. L'estudi de la reactivitat de complexos arilcoure(III) ben definits pot proporcionar una millor comprensió del mecanisme de les reaccions de condensació Ullmann, el qual es troba sota un intens debat. En aquesta tesi doctoral s'estudia la viabilitat del complexos arilcoure(III), estabilitzats en lligands macrocíclics, de participar en reaccions de formació d'enllaç carboni-heteroàtom. S'han desenvolupat reaccions de formació d'enllaç C-N i C-O així com reaccions d'intercanvi d'halurs, on s'inclouen fluoracions, catalitzades amb coure i basades en un cicle catalític Cu(I)/Cu(III) utilitzant substrats models d'halur d'aril. S'ha obtingut una comprensió fonamental de les etapes redox a dos electrons, addició oxidant i eliminació reductiva, en coure.
Reding, Matthew Todd. "The development and synthetic application of titanium-mediated carbon-heteroatom double bond hydrosilylation methodologies." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/42643.
Full textBooks on the topic "Heteroatom Bond"
A, Armitage D., Patai Saul, and Rappoport Zvi, eds. The Silicon-heteroatom bond. Chichester, West Sussex, England: Wiley, 1991.
Find full textYudin, Andrei K., ed. Catalyzed Carbon-Heteroatom Bond Formation. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.
Full textArmitage, D. A. (Fred), Robert J. P. Corriu, Tom C. Kendrick, Bhukan Parbhoo, T. Don Tilley, James W. White, and J. Colin Young, eds. The Silicon-Heteroatom Bond (1991). Chichester, UK: John Wiley & Sons, Inc., 1991. http://dx.doi.org/10.1002/9780470772447.
Full textCatalyzed carbon-heteroatom bond formation. Weinheim, Germany: Wiley-VCH, 2011.
Find full textJones, Keith. Carbon with one heteroatom attached by a multiple bond. Amsterdam [etc]: Elsevier, 2005.
Find full textWolfe, John P., ed. Synthesis of Heterocycles via Metal-Catalyzed Reactions that Generate One or More Carbon-Heteroatom Bonds. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38880-4.
Full textArmitage, D. A., Robert Corriu, Tom C. Kendrick, Bhukan Parbhoo, and T. Don Tilley. Silicon-Heteroatom Bond. Wiley & Sons, Limited, John, 2010.
Find full textYudin, Andrei K., and John F. Hartwig. Catalyzed Carbon-Heteroatom Bond Formation. Wiley & Sons, Limited, John, 2010.
Find full textYudin, Andrei K., and John F. Hartwig. Catalyzed Carbon-Heteroatom Bond Formation. Wiley & Sons, Incorporated, John, 2011.
Find full textYudin, Andrei K., and John F. Hartwig. Catalyzed Carbon-Heteroatom Bond Formation. Wiley & Sons, Incorporated, John, 2010.
Find full textBook chapters on the topic "Heteroatom Bond"
Koser, Gerald F. "Heteroatom-Heteroatom-Bond Forming Reactions." In Hypervalent Iodine Chemistry, 173–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-46114-0_6.
Full textAtta-ur-Rahman and Zahir Shah. "Asymmetric Carbon-Heteroatom Bond Formations." In Stereoselective Synthesis in Organic Chemistry, 416–33. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4613-8327-7_6.
Full textKoser, Gerald F. "C-Heteroatom-Bond Forming Reactions." In Hypervalent Iodine Chemistry, 137–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-46114-0_5.
Full textFleming, Matthew J., and Mark Lautens. "CarbonHeteroatom Bond Formation by RhI-Catalyzed Ring-Opening Reactions." In Catalyzed Carbon-Heteroatom Bond Formation, 411–36. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.ch10.
Full textWolfe, John P., Joshua D. Neukom, and Duy H. Mai. "Synthesis of Saturated Five-Membered Nitrogen Heterocycles via Pd-Catalyzed CN Bond-Forming Reactions." In Catalyzed Carbon-Heteroatom Bond Formation, 1–34. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.ch1.
Full textWidenhoefer, Ross A., and Feijie Song. "Gold-Catalyzed Addition of Nitrogen and Sulfur Nucleophiles to CC Multiple Bonds." In Catalyzed Carbon-Heteroatom Bond Formation, 437–61. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.ch11.
Full textWidenhoefer, Ross A., and Feijie Song. "Gold-Catalyzed Addition of Oxygen Nucleophiles to CC Multiple Bonds." In Catalyzed Carbon-Heteroatom Bond Formation, 463–92. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.ch12.
Full textYeung, Charles S., Peter K. Dornan, and Vy M. Dong. "Transition Metal Catalyzed Approaches to Lactones Involving CO Bond Formation." In Catalyzed Carbon-Heteroatom Bond Formation, 35–68. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.ch2.
Full textBeletskaya, Irina P., and Valentine P. Ananikov. "The Formation of Csp2S and Csp2Se Bonds by Substitution and Addition Reactions Catalyzed by Transition Metal Complexes." In Catalyzed Carbon-Heteroatom Bond Formation, 69–118. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.ch3.
Full textJacques, Béatrice, and Kilian Muñiz. "Palladium Catalysis for Oxidative 1,2-Difunctionalization of Alkenes." In Catalyzed Carbon-Heteroatom Bond Formation, 119–35. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.ch4.
Full textConference papers on the topic "Heteroatom Bond"
Alexey, Sukhorukov, Pavel Ushakov, Yana Naumovich, and Sema Ioffea. "NEW METHODS FOR THE CONSTRUCTION OF CARBON-CARBON AND CARBON-HETEROATOM BONDS UTILIZING NITRO-DERIVATIVES." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m721.aks-2019/53-55.
Full textReports on the topic "Heteroatom Bond"
Hartwig, John. Chemistry of Complexes with Transition Metal Heteroatom Bonds Novel Insertion Chemistry and XH Bond Activation. Office of Scientific and Technical Information (OSTI), February 2012. http://dx.doi.org/10.2172/1035516.
Full textKlein, D. The synthesis and reactivity of organoiridium complexes containing metal-heteroatom bonds. Office of Scientific and Technical Information (OSTI), November 1989. http://dx.doi.org/10.2172/7249432.
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