Relevant bibliographies by topics / 3-dipolar cycloadditions

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Academic literature on the topic '3-dipolar cycloadditions'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 July 2025

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Journal articles on the topic "3-dipolar cycloadditions"

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Zhan, Desheng, Gang Yang, Tieli Zhou, Sashirekha Nallapati, and Xiaofeng Zhang. "Decarboxylation-Driven Double Annulations: Innovative Multi-Component Reaction Pathways." Molecules 30, no. 7 (2025): 1594. https://doi.org/10.3390/molecules30071594.

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A concerted five-component reaction strategy has been developed, featuring double [3+2] cycloadditions utilizing aspartic acid. This approach provides valuable insights into mechanistic pathways, allowing for the distinction between concerted and stepwise processes based on reaction efficiency and diastereoselectivity. Both aspartic and glutamic acids have been employed for a thorough evaluation and exploration of decarboxylation-driven double annulations. This method effectively constructs pyrrolizidine frameworks through a concerted double 1,3-dipolar cycloaddition with aspartic acid, as wel
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Nivedita, Acharjee, Banerji Avijit, and Gayen Biswajit. "Cycloaddition approach to five-membered heterocycles - Some recent experimental and theoretical aspects." Journal of Indian Chemical Society Vol. 88, Dec 2011 (2011): 1857–77. https://doi.org/10.5281/zenodo.5791817.

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Department of Chemtstry, Jalpaiguri Government Engineering College, Jalpatgun-735 102, West Bengal, India centre of Advanced Studies on Natural Products mcludmg Organic Synthesis, Department of Chemistry, University of Calcutta, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India <em>E-mail</em> :&nbsp;ablabcu@yahoo.co uk <em>Manuscript received 17 October 2011, accepted 20 October 2011</em> 1,3-Dipolar cycloaddition reactions of nitrones to substituted olefins give rise to synthetically useful isoxazolidines with up to three new chiral centers. The preferred regio- and stereochemical mo
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Zhong, Jiaxin, Haibing He, and Shuanhu Gao. "Exploration of 1,3-dipolar cycloaddition reactions to construct the core skeleton of Calyciphylline A-type alkaloids." Organic Chemistry Frontiers 6, no. 22 (2019): 3781–85. http://dx.doi.org/10.1039/c9qo01111k.

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Majer, Roberta, Olga Konechnaya, Ignacio Delso, et al. "Highly diastereoselective 1,3-dipolar cycloadditions of chiral non-racemic nitrones to 1,2-diaza-1,3-dienes: an experimental and computational investigation." Org. Biomol. Chem. 12, no. 44 (2014): 8888–901. http://dx.doi.org/10.1039/c4ob01371a.

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Jedlovská, Eva, Lubor Fišera, Anna Balková, Jaroslav Kováč, and Ladislav Štibrányi. "Cycloadditions of 2,5-dimethyl-3-furannitrile oxide to alkenes and alkynes." Collection of Czechoslovak Chemical Communications 55, no. 10 (1990): 2481–92. http://dx.doi.org/10.1135/cccc19902481.

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Regioselectivity of 1,3-dipolar cycloadditions of 2,5-dimethyl-3-furannitrile oxide (IIa) to alkenes or alkynes is described. Nitrile oxide IIa generated in situ reacts with monosubstituted alkenes or alkynes to give exclusively 5-substituted 3-(5-dimethyl-3 -furyl)-2-isoxazolines IV and isoxazoles V, 2,5-disubstituted alkenes sometimes afforded a mixture of regioisomeric isoxazolines. Reactivity of furannitrile oxides II and III in cycloadditions to ethene was studied by the MNDO method.
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Baldwin, Jack E., and Janos Pitlik. "1,3-Dipolar cycloadditions of 3-methylenecephams with diazoalkanes." Tetrahedron Letters 31, no. 17 (1990): 2483–86. http://dx.doi.org/10.1016/s0040-4039(00)97395-7.

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Vedejs, E., and R. G. Wilde. "2 + 3 Dipolar cycloadditions of a monomeric thioaldehyde." Journal of Organic Chemistry 51, no. 1 (1986): 117–19. http://dx.doi.org/10.1021/jo00351a032.

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Gucma, Mirosław, Marek Gołębiewski, Krzysztof Żelechowski, and Maria Krawczyk. "Studies on the [2+3] cycloaddition reaction of nitrile oxides to abietic acid esters." Journal of the Serbian Chemical Society 84, no. 10 (2019): 1073–81. http://dx.doi.org/10.2298/jsc180517018g.

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[2+3] Dipolar cycloadditions of aromatic nitrile oxides to abietic acid esters were investigated. The reactions showed complete site selectivity and regioselectivity, while the stereoselectivity depended on the structures of the dipolarophiles.
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Vale, Luís S. H. P., Joana F. B. Barata, Carla I. M. Santos, et al. "Corroles in 1,3-dipolar cycloaddition reactions." Journal of Porphyrins and Phthalocyanines 13, no. 03 (2009): 358–68. http://dx.doi.org/10.1142/s1088424609000371.

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The azomethine ylide generated from the reaction of a corrole-3-carbaldehyde and N-methylglycine was trapped with dimethyl fumarate, dimethyl acetylenedicarboxylate and fullerene C60 in 1,3-dipolar cycloadditions. A similar azomethine ylide generated from a corrole-2-carbaldehyde was trapped with 1,4-naphthoquinone, yielding the expected dehydrogenated 1,3-dipolar cycloadduct and a quinone-fused corrole derivative. A detailed synchrotron single-crystal X-ray diffraction analysis of the gallium(III)(pyridine) complex of 5,10,15-tris(pentafluorophenyl)corrole-3-carbaldehyde is also presented.
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Jäger, Volker, Wolfgang Frey, Yaser Bathich, et al. "2-Isoxazolinium Salts and 3-Isoxazolines: Exploratory Chemistry and Uses for the Synthesis of Branched Amino Polyols and Amino Acids." Zeitschrift für Naturforschung B 65, no. 7 (2010): 821–32. http://dx.doi.org/10.1515/znb-2010-0708.

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2-Isoxazolines represent a well known class of heterocycles, readily accessible in particular by 1,3-dipolar cycloaddition of nitrile oxides to alkenes. 2-Isoxazolines are easily transformed into 2- isoxazolinium salts by N-methylation, and further into 3-isoxazolines by deprotonation. In contrast to the parent system, less is known concerning the chemistry of the derived classes, and potential applications in synthesis. - 2-Isoxazolinium salts, due to their iminium part, are prone to the attack of nucleophiles, and examples for this, addition of hydride (reduction) and C-nucleophiles like met
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Dissertations / Theses on the topic "3-dipolar cycloadditions"

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Tongue, Tom. "Novel (3+2) dipolar cycloadditions of pyridinium ylides." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/41558/.

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This thesis describes advances in novel (3+2) dipolar cycloadditions of pyridinium ylides, their reactions with electrophilic alkenes afford tetrahydroindolizines which can possess alkaloid-like scaffolds. Pyridinium ylides have been shown to be highly reactive intermediates that are able to rapidly generate molecular complexity with excellent regio and diastereoselectivity. Chapter one reports an introduction on the chemistry of pyridinium ylides and introduces spirocyclic indolizidine containing natural products which could conceivably be synthesised through (3+2) dipolar cycloadditions. The
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HU, JIEYU. "COPPER(I) CATALYZED EXO-SELECTIVE [CN+C+CC] 1,3-DIPOLAR CYCLOADDITIONS and STUDIES TOWARDS THE TOTAL SYNTHESIS OF KAITOCEPHALIN." Case Western Reserve University School of Graduate Studies / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1269965489.

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Dhakal, Ram Chandra. "New Approaches To Heterocycle Synthesis: A Greener Route To Structurally Complex Protonated Azomethine Imines, And Their Use In 1,3-Dipolar Cycloadditions." ScholarWorks @ UVM, 2017. http://scholarworks.uvm.edu/graddis/777.

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1-Aza-2-azoniaallene salts are reactive intermediates that undergo [3+2] cycloaddition with many different types of multiple bonds. For the past several years, the Brewer group has studied the reactivity of these intermediates in intramolecular reactions, and have discovered that these cationic heteroallenes can react through a variety of other, mechanistically distinct, pathways to give different classes of nitrogen heterocycles. For example, prior work in the Brewer group revealed that 1-aza-2-azoniaallene salts could react in an intramolecular [4+2] cycloaddition reaction to give protonated
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Bose, Rajib Kumar. "1, 3 -Dipolar cycloaddition of * -Amino nitrone." Thesis, University of North Bengal, 1993. http://hdl.handle.net/123456789/760.

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Selva, Verónica. "Diastereoselective multicomponent [3+2] and [4+2] cycloadditions." Doctoral thesis, Universidad de Alicante, 2018. http://hdl.handle.net/10045/77573.

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En esta tesis doctoral se ha estudiado los iluros de azometino generados in situ en reacciones de cicloadición 1,3-dipolar y diferentes dipolarófilos para la síntesis multicomponente (libre de metales) de derivados de indolizidina a partir de pipecolinatos, aldehídos y dipolarofilos de forma térmica, y también a partir de ácido pipecólico de forma descarboxilada. También se ha estudiado la reacción de cicloadición 1,3-dipolar térmica multicomponente entre iluros de azometino no activados generados in situ a partir de aminas, aldehídos aromáticos y alquenos electrofílicos para generar derivados
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Chakraborty, Bhaskar. "Studies of 1, 3 Dipolar cycloaddition reactions with N- cyclohexyl Nitrones." Thesis, University of North Bengal, 1995. http://hdl.handle.net/123456789/768.

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Kafley, Saurav. "Synthesis and 1, 3 -dipolar cycloaddition reaction of N-phenyl £ chlora nitrone." Thesis, University of North Bengal, 2010. http://hdl.handle.net/123456789/1419.

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Plefka, Oliver. "1,3-Dipolare Cycloaddition von N2O an hochreaktive Mehrfachbindungen." Doctoral thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-70667.

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In der vorliegenden Arbeit wird über 1,3-dipolare Cycloadditionen mit Lachgas (N2O) unter milden Reaktionstemperaturen (≈ RT) berichtet. N2O ist ein sehr unreaktives 1,3-dipolares Reagenz. Bisher in der Literatur durchgeführte 1,3-dipolare Cycloadditionen mit N2O benötigten immer sehr drastische und gefährliche Reaktionsbedingungen (bis zu 300°C und 500 atm.). Dabei entstanden nach einer (postulierten) einleitenden 1,3-dipolaren Cycloaddition von N2O an Olefine oder Alkine immer nur stickstofffreie Reaktionsprodukte. Durch den Einsatz von hochreaktiven Cycloalkinen als 1,3-Dipolarophile konnte
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Toh, Ophilia Ndi. "Synthesis Towards Fulminic Acid and Its Derivatives in 1, 3-Dipolar Cycloaddition Reactions." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etd/1982.

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A new approach to fulminic acid cycloadditions has been developed. At reduced temperatures, fulminic acid is generated in situ and undergoes 1, 3-diploar cycloaddition reactions with dipolarophiles to form isoxazolines and/or its dimers. This procedure represents a novel, safe general method for the one-step generation of fulminic acid, which complements existing potentially explosive protocols.
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Goodall, Glenn William. "Utilising 1 ,3-dipolar cycloaddition chemistries in the synthesis of linear and hyperbranched polymers." Thesis, University of Reading, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.630448.

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Books on the topic "3-dipolar cycloadditions"

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Armstrong, William Paul. Biological and mechanistic aspects of 1, 3-dipolar cycloadditions of X=Y-ZH systems. 1987.

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Book chapters on the topic "3-dipolar cycloadditions"

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Hein, Jason E. "[3+2]-Dipolar Cycloadditions in Bioconjugation." In Chemoselective and Bioorthogonal Ligation Reactions. Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527683451.ch2.

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Döpp, Dietrich, Jutta Walter, and Sabine Holz. "Captodative Alkenes in Concerted 1, 3-Dipolar Cycloadditions." In Substituent Effects in Radical Chemistry. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4758-0_34.

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Namboothiri, Irishi N. N., and Alfred Hassner. "Stereoselective Intramolecular 1,3-Dipolar Cycloadditions." In Stereoselective Heterocyclic Synthesis III. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-44726-1_1.

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Carmona, Daniel, and Luis A. Oro. "Iridium-Catalyzed 1,3-Dipolar Cycloadditions." In Iridium Catalysis. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15334-1_8.

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Dommerholt, Jan, Floris P. J. T. Rutjes, and Floris L. van Delft. "Strain-Promoted 1,3-Dipolar Cycloaddition of Cycloalkynes and Organic Azides." In Cycloadditions in Bioorthogonal Chemistry. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29686-9_4.

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Luzyanin, Konstantin V., and Maxim L. Kuznetsov. "Metal-Mediated [2+3] Dipolar Cycloaddition to Substrates with CN Triple Bond: Recent Advances." In Advances in Organometallic Chemistry and Catalysis. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118742952.ch13.

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Keay, B. A. "Via [2+3]-Dipolar Cycloadditions." In Compounds of Groups 15 (As, Sb, Bi) and Silicon Compounds. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-004-00753.

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Kostikov, R. R. "[2+3]-Dipolar Cycloaddition." In Three Carbon-Heteroatom Bonds: Ketenes and Derivatives. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-024-00027.

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Wolkenberg, S. E., and R. M. Garbaccio. "[3+2]-Dipolar Cycloaddition Reactions." In Three Carbon-Heteroatom Bonds: Acid Halides; Carboxylic Acids and Acid Salts. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-020-00439.

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MacMillan, D. W. C., and A. J. B. Watson. "[3 + 2]-Dipolar Cycloaddition Processes." In Lewis Base and Acid Catalysts. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-204-00134.

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Conference papers on the topic "3-dipolar cycloadditions"

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Diaconu, Dumitrela, Violeta Mangalagiu, Dorina Amariucai-Mantu, Vasilichia Antoci, Ramona Danac, and Ionel Mangalagiu. "1,3-dipolar cycloaddition reactions of benzimidazolium-ylides to an activated symmetric alkyne." In Scientific seminar with international participation "New frontiers in natural product chemistry". Institute of Chemistry, Republic of Moldova, 2023. http://dx.doi.org/10.19261/nfnpc.2023.ab27.

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The cycloaddition reactions represent an important way to obtain cyclic structures and take place between two or more reactants containing double or triple bonds in the molecule. After Huisgen, the addition of 1,3-dipole to a dipolarophile, takes place through a concerted mechanism, when two  bonds are formed. [1,2] The purpose of this research is to study the Huisgen [3+2] dipolar cycloaddition reactions carried out in a conventional way (stirring at room temperature) and non-conventional way (ultrasonic irradiation), between benzimidazolium-ylides and an activated symmetric substituted alky
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Ramasami, Ponnadurai, John Joule, Luis Domingo, Sabina Jhaumeer-Laulloo, Hassan Abdallah, and Lydia Rhyman. "Cycloaddition of Methyl Acrylate with Substituted Pyridinium-3-olates and Pyrazinium-3-olates: 1,3-Dipolar Cycloaddition versus Diels-Alder." In The 14th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2010. http://dx.doi.org/10.3390/ecsoc-14-00411.

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Merino, P., T. Tejero, S. Anoro, and F. Merchan. "1,3-Dipolar Cycloadditions of N-Benzyl Furfuryl Nitrones to Vinyl Ethers and a,b-Unsatureted Esters." In The 3rd International Electronic Conference on Synthetic Organic Chemistry. MDPI, 1999. http://dx.doi.org/10.3390/ecsoc-3-01718.

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Jhaumeer-Laulloo, S., P. Ramasami, L. Rhyman, and J. Joule. "1,3-Dipolar Cycloaddition of 3-Oxidopyrazinium to Methyl Acrylate: An Experimental and Computational Investigation." In The 12th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2008. http://dx.doi.org/10.3390/ecsoc-12-01207.

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Ciorteanu, Roxana Elena, Monica Sardaru, Dumitrela Diaconu, Ionel Mangalagiu, and Ramona Danac. "Synthesis and anticancer properties of new indolizinic derivatives." In Scientific seminar with international participation "New frontiers in natural product chemistry". Institute of Chemistry, Republic of Moldova, 2023. http://dx.doi.org/10.19261/nfnpc.2023.ab25.

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Natural compounds with indolizine scaffolds have demonstrated numerous biological activities and have found use in medical research laboratories. Thys, the unique indolizine scaffold became an important system for the development of new drug candidates in medicinal chemistry. [1,2] Several indolizines with excellent anticancer activity and tubulin polymerization inhibitory potency have been reported recently, and our group contributed also to the field. [1,3] The goal of this study was the design, synthesis and anticancer evaluation of several new derivatives with symmetrical or unsymmetrical
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Zbancioc, Gheorghita, Costel Moldoveanu, and Ionel I. Mangalagiu. "Syntheses of new benzoquinoline derivatives with anticancer activity." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.92.

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This work synthesized various novel benzo[c]quinoline compounds, detailed their structural features, and examined their anticancer activity in vitro. First, the nitrogen atom in benzo[c]quinoline is quaternized, and the in situ-formed ylide is then subjected to a [3+2] dipolar cycloaddition reaction. A detailed investigation was conducted to determine how successful traditional thermal heating (TH) synthesis was in comparison to microwave (MW) and ultrasonic (US) irradiation. FTIR, HRMS, and NMR were the three spectral techniques that were used to prove the structure of all the obtained compou
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