Literatura académica sobre el tema "Tandem Cyclization"
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Artículos de revistas sobre el tema "Tandem Cyclization"
Rae Kim, Hyoung, Su Yeon Jo, Hyoung Cheul Kim y Dong Ju Jeon. "Tandem Cyclization of Phytosphingosine". HETEROCYCLES 55, n.º 6 (2001): 1127. http://dx.doi.org/10.3987/com-01-9187.
Texto completoNookaraju, U., Eeshwaraiah Begari y Pradeep Kumar. "Total synthesis of (+)-monocerin via tandem dihydroxylation-SN2 cyclization and a copper mediated tandem cyanation–lactonization approach". Org. Biomol. Chem. 12, n.º 31 (2014): 5973–80. http://dx.doi.org/10.1039/c4ob00965g.
Texto completoYuan, Lang y Hai-Tao Yu. "A Density Functional Theory Investigation of the Tandem Radical Cyclization of 1-[2-Yl-3-(2-Methoxyphenyl)-prop-2-enyl]-6-oxo-1,6-dihydropyridine-2-carbonitrile". Australian Journal of Chemistry 69, n.º 3 (2016): 319. http://dx.doi.org/10.1071/ch15369.
Texto completoTrost, Barry M. y Serge Mignani. "Tandem palladium-catalyzed elimination-cyclization". Journal of Organic Chemistry 51, n.º 18 (septiembre de 1986): 3435–39. http://dx.doi.org/10.1021/jo00368a005.
Texto completoHuang, Ji-Rong, Liu Qin, Yu-Qin Zhu, Qiang Song y Lin Dong. "Multi-site cyclization via initial C–H activation using a rhodium(iii) catalyst: rapid assembly of frameworks containing indoles and indolines". Chemical Communications 51, n.º 14 (2015): 2844–47. http://dx.doi.org/10.1039/c4cc07125e.
Texto completoCao, Ziping, Shan Li, Jie Li, Xin Meng, Huaqing Zhang, Xuejun Sun y Jinmao You. "Gold-catalyzed π-directed regioselective cyclization of bis(o-alkynyl benzyl alcohols): rapid access to dihydroisobenzofuran derivatives". New Journal of Chemistry 40, n.º 10 (2016): 8211–15. http://dx.doi.org/10.1039/c6nj02066f.
Texto completoHuo, Xing, Jizhong Fang, Lige Xu y Bowen Fang. "Synergistic Oxidative Coupling–[3+2] Cyclization of Quinones with Olefins Promoted by Cerium(IV) Sulfate Tetrahydrate". Synlett 28, n.º 12 (11 de abril de 2017): 1491–95. http://dx.doi.org/10.1055/s-0036-1588781.
Texto completoBłocka, Aleksandra, Paweł Woźnicki, Marek Stankevič y Wojciech Chaładaj. "Pd-catalyzed intramolecular addition of active methylene compounds to alkynes with subsequent cross-coupling with (hetero)aryl halides". RSC Advances 9, n.º 68 (2019): 40152–67. http://dx.doi.org/10.1039/c9ra08002c.
Texto completoHou, Yunlei, Mingze Qin, Xiuxiu Yang, Qi Shen, Yanfang Zhao, Yajing Liu y Ping Gong. "Palladium-catalyzed three-component tandem cyclization of buta-2,3-dien-1-ol, aryl iodides, and imines: an efficient protocol for the synthesis of oxazolidine derivatives". RSC Advances 7, n.º 12 (2017): 7401–5. http://dx.doi.org/10.1039/c6ra27993g.
Texto completoDeng, Danfeng, Dayun Huang, Xiangyu Sun y Biwen Gao. "Recent Advances in the Tandem Difunctionalization of Alkynes: Mechanism-Based Classification". Synthesis 53, n.º 19 (19 de abril de 2021): 3522–34. http://dx.doi.org/10.1055/a-1486-2158.
Texto completoTesis sobre el tema "Tandem Cyclization"
Rajinder, Kaur Maya. "Gold(I) Catalyzed Tandem Cyclization Reactions". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for kjemi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19239.
Texto completoLam, Tin Yiu. "Synthesis of indoles via a tandem benzannulation-cyclization strategy". Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/46045.
Texto completoThesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2008.
Includes bibliographical references.
Vinylketenes (generated in situ from cyclobutenones or a-diazo ketones) react with ynamides via a pericyclic cascade process to produce highly-substituted aniline derivatives. Cyclization of the benzannulation products can then be achieved via several alternate procedures leading to indoles that are highly substituted on the six-membered ring. The cyclization approaches investigated as the second step in this tandem strategy included aromatic substitution, palladium-catalyzed oxidative amination, and nucleophilic cyclization. This thesis discusses the scope and limitations of this tandem strategy.
by Tin Yiu Lam.
Ph.D.
Mamaliga, Galina. "Progress towards the synthesis of tetracyclic heteroaromatic compounds via tandem benzannulation-cyclization strategies". Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/78512.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references.
A tandem benzannulation-cyclization strategy was successfully applied to the synthesis of a tetracyclic heteroaromatic compound expected to have interesting electronic properties. Benzannulation of a diazo ketone and a ynamide yielded a highly substituted aniline that was cyclized to indole according to protocols developed in our laboratory previously.
by Galina Mamaliga.
S.B.
Willumstad, Thomas P. (Thomas Paul). "Synthesis of highly substituted benzo-fused nitrogen heterocycles via tandem benzannulation/cyclization strategies". Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/84379.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references.
Benzannulations employing ynamides and vinylketenes (generated in situ from [alpha]-diazo ketones) were investigated. Irradiation of the diazo ketones using a batch or continuous-flow reactor leads to the formation of vinylketenes via a photo-Wolff rearrangement. The vinylketenes then react with ynamides via a pericyclic cascade process to produce highly substituted aniline derivatives. Using this vinylketene-based benzannulation, tandem strategies for the synthesis of highly substituted benzo-fused nitrogen heterocycles were investigated. A tandem benzannulation-iodocyclization method for the synthesis of polysubstituted quinolines was established. In addition, a tandem strategy for the synthesis of carbazoles was developed and applied in the total synthesis of the carbazole alkaloid carazostatin as well as formal syntheses of the alkaloids carbazoquinocin C and antiostatin A₄.
by Thomas P. Willumstad.
Ph.D.
Shah, Parin Ajay. "Synthesis of terpenoids using a tandem cationic cascade cyclization-electrophilic aromatic substitution reaction". Diss., University of Iowa, 2018. https://ir.uiowa.edu/etd/6639.
Texto completoKrismanich, Anthony. "Studies Related to Tandem Reactivity of 1-Carbomethoxy-5-dicyanomethyl-1,3-cyclohexadiene". Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2954.
Texto completoThe ring-opened adduct was also envisaged as a potential substrate in intramolecular Heck reactions. To this end, Heck substrates were generated from the ring-opened adduct anion and iodo- and bromo-benzyl halides. A key observation at this stage pertained to the unexpected acidity of the ring-opened adduct C5 proton, which could be deprotonated by DBU to bring about allylic isomerization, a finding that would provide a key insight to the pattern of reactivity later evidenced with alkyl propiolates. Optimization of the Heck substrate-generating reaction was followed by Heck reactions under Jeffery's conditions, which generated angular tricycles as intended, accompanied by aromatic compounds generated by base-induced HCN elimination/rearrangement and dehydrogenation. The Jeffery's conditions were optimized to limit the production of aromatics.
The possibility of ring-opened adduct-derived vinyl silane intermediates undergoing cationic cyclizations led to a minor study based upon the bromination of allylsilanes and the elimination of TMSBr from 1,2-dibromo-3-trimethylsilyl compounds, accessible compounds unaccounted for in the review literature. It was determined that the combination of HBr and Br2 (perhaps as HBr3) was required to eliminate TMSBr, in contravention of the textbook account of electrophilic substitutions being the inherent reactions of allylsilanes and Br2.
Unexpected tandem reactivity was observed in the reactions of the anionic ring-opened adduct and alkyl propiolates under catalytic DBU conditions. Rather than tandem cyclization or simple adduct formation, the allenolate intermediates were determined to undergo extremely facile formal allenolate Cope rearrangements involving the ?,d-double-bond of the parent ring. Excess base intercepted the allenolate by deprotonating ring C5 and effecting 1,2-vinyl transfer by 3-exo-trig addition-elimination. The chemistry of the highly delocalized side-chain carbanion in the Cope product was studied in detail.
Yip, Kai-tai y 葉啟泰. "Oxidative palladium catalysis under aerobic condition: studies on monocyclization of {221}-Keto amides and tandem cyclization ofAlkenyl anilines". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B34860605.
Texto completoXing, Dong y 邢栋. "Transition metal-catalyzed C-N bond formation via addition of nitrogennucleophiles towards alkenes and related tandem cyclization reactions". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46589156.
Texto completoSandoval, Sergio. "Tandem conjugate addition - cyclization reactors of L-methyl prolinate with [alpha,beta]-unsaturated ketones catalyzed by L-proline /". View online ; access limited to URI, 2008. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3314459.
Texto completoYip, Kai-tai. "Oxidative palladium catalysis under aerobic condition : studies on monocyclization of [beta]-Keto amides and tandem cyclization of Alkenyl anilines /". Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B34860605.
Texto completoCapítulos de libros sobre el tema "Tandem Cyclization"
Kariv-Miller, Essie, Franco Lombardo y Lombardo Hatsuo. "The 5,6 vs the 6,5 Electroreductive Tandem Cyclization of Ketones". En Electroorganic Synthesis, 75–81. Boca Raton: Routledge, 2023. http://dx.doi.org/10.1201/9780203758571-11.
Texto completoMalleron, J. L., J. C. Fiaud y J. Y. Legros. "Tandem Arylsulfonation-Cyclization Process". En Handbook of Palladium-Catalyzed Organic Reactions, 89–90. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012466615-3/50013-6.
Texto completoMalleron, J. L., J. C. Fiaud y J. Y. Legros. "Tandem Chlorination-Cyclization and Tandem Chlorination-Carbonylation-Cyclization of 1,6-Enynes". En Handbook of Palladium-Catalyzed Organic Reactions, 285–87. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012466615-3/50079-3.
Texto completoGriesbeck, A. G. "Tandem Conjugate Addition and Cyclization". En Quinones and Heteroatom Analogues, 1. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-028-00633.
Texto completoMalleron, J. L., J. C. Fiaud y J. Y. Legros. "Tandem Acyloxylation-Cyclization of 1,5-Dienes". En Handbook of Palladium-Catalyzed Organic Reactions, 198–99. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012466615-3/50046-x.
Texto completoMalleron, J. L., J. C. Fiaud y J. Y. Legros. "Tandem Acyloxychlorination-Cyclization of 1,6-Dienes". En Handbook of Palladium-Catalyzed Organic Reactions, 200–201. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012466615-3/50047-1.
Texto completoMalleron, J. L., J. C. Fiaud y J. Y. Legros. "Tandem Cyclization-Capture Process of Enynes". En Handbook of Palladium-Catalyzed Organic Reactions, 260–61. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012466615-3/50067-7.
Texto completoCarter, R. G. y D. L. Kuiper. "Tandem Oxidative Deprotection/Cyclization toward Norhalichondrin". En Stereoselective Reactions of Carbonyl and Imino Groups, 1. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-202-00479.
Texto completoKeller, P. A. "Tandem [4 + 2] Cycloadditions and Cyclization". En Six-Membered Hetarenes with One Nitrogen or Phosphorus Atom, 1. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-015-01758.
Texto completoCarter, R. G. y D. L. Kuiper. "Tandem Iodoetherification/Lewis Acid Catalyzed Cyclization toward Azaspiracid". En Stereoselective Reactions of Carbonyl and Imino Groups, 1. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-202-00515.
Texto completoActas de conferencias sobre el tema "Tandem Cyclization"
Padwa, Albert. "Synthesis of Heterocycles Using Tandem Cyclization Processes." En The 3rd International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland: MDPI, 1999. http://dx.doi.org/10.3390/ecsoc-3-01730.
Texto completoSolorio Alvarado, Cesar, Dipak Patil, María del Gamez Montano y Marco Ramirez Morales. "SYNTHESIS OF BENZO[<em>b</em>]CARBAZOLS BY TANDEM Au(I)-CATALYZED CYCLIZATION/MIGRATION/CYCLIZATION". En The 24th International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland: MDPI, 2020. http://dx.doi.org/10.3390/ecsoc-24-08402.
Texto completoSolorio Alvarado, Dr César y Narendra Mali. "<em>Synthesis Of polyaromatic heterocycles pyrrolo [1,2-a] indoles by Gold(I)-Catalyzed tandem Cyclization/C-H Activation/Cyclization.</em>". En The 24th International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland: MDPI, 2020. http://dx.doi.org/10.3390/ecsoc-24-08378.
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