Academic literature on the topic 'Michael addition reactions'

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Journal articles on the topic "Michael addition reactions"

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Reznikov, Alexander N., and Yuri N. Klimochkin. "Recent Developments in Highly Stereoselective Michael Addition Reactions Catalyzed by Metal Complexes." Synthesis 52, no. 06 (2020): 781–95. http://dx.doi.org/10.1055/s-0039-1690044.

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Achieving high enantioselectivity and diastereoselectivity simultaneously­ is a rather challenging task for asymmetric catalytic synthesis­. Thanks to the rapid development of asymmetric transition-metal catalysis, significant progress has been made during recent years in achieving highly enantio- and diastereoselective conjugate addition reactions with a diverse combination of Michael donors and acceptors. This short review surveys the advances in transition-metal-catalyzed asymmetric diastereoselective Michael addition including diastereodivergent catalysis developed between 2015 and 2019. T
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Thirumalaikumar, Muniappan. "Enantioselective Michael Addition Reactions." Organic Preparations and Procedures International 43, no. 1 (2011): 67–129. http://dx.doi.org/10.1080/00304948.2011.547102.

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Liu, Zixuan. "Michael addition reaction and its examples." Applied and Computational Engineering 24, no. 6 (2023): 1–6. http://dx.doi.org/10.54254/2755-2721/24/ojs/20230669.

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Michael addition reaction refers to the conjugate addition reaction of carbocation to α, β-unsaturated aldehydes, ketones, carboxylic acids, esters, nitrile, nitro compounds, etc. The reaction is an essential organic reaction, and it is used in organic synthesis to grow carbon chains and synthesize organic compounds with various functional groups. As one of the most valuable organic synthesis reactions, it is one of the most common ways to construct carbon-carbon bonds. This paper analyzes the mechanisms and the theories of some common Michael addition reactions. It also includes an example of
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Liu, Zixuan. "Michael addition reaction and its examples." Applied and Computational Engineering 24, no. 1 (2023): 1–6. http://dx.doi.org/10.54254/2755-2721/24/20230669.

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Michael addition reaction refers to the conjugate addition reaction of carbocation to , -unsaturated aldehydes, ketones, carboxylic acids, esters, nitrile, nitro compounds, etc. The reaction is an essential organic reaction, and it is used in organic synthesis to grow carbon chains and synthesize organic compounds with various functional groups. As one of the most valuable organic synthesis reactions, it is one of the most common ways to construct carbon-carbon bonds. This paper analyzes the mechanisms and the theories of some common Michael addition reactions. It also includes an example of t
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Bakó, Péter, Tamás Nemcsok, Zsolt Rapi, and György Keglevich. "Enantioselective Michael Addition of Malonates to Enones." Current Organic Chemistry 24, no. 7 (2020): 746–73. http://dx.doi.org/10.2174/1385272824666200316122221.

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: Many catalysts were tested in asymmetric Michael additions in order to synthesize enantioenriched products. One of the most common reaction types among the Michael reactions is the conjugated addition of malonates to enones making it possible to investigate the structure–activity relationship of the catalysts. The most commonly used Michael acceptors are chalcone, substituted chalcones, chalcone derivatives, cyclic enones, while typical donors may be dimethyl, diethyl, dipropyl, diisopropyl, dibutyl, di-tert-butyl and dibenzyl malonates. This review summarizes the most important enantioselec
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Jha, S. C., and N. N. Joshi. "Catalytic, enatioselective Michael addition reactions." Arkivoc 2002, no. 7 (2002): 167–96. http://dx.doi.org/10.3998/ark.5550190.0003.718.

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Hutchinson, David W., and David M. Thornton. "Michael addition reactions of ethenylidenebisphosphonates." Journal of Organometallic Chemistry 346, no. 3 (1988): 341–48. http://dx.doi.org/10.1016/0022-328x(88)80134-7.

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Singh, Girija S. "Greener Approaches to Selected Asymmetric Addition Reactions Relevant to Drug Development." Current Organic Chemistry 25, no. 13 (2021): 1497–522. http://dx.doi.org/10.2174/1385272825666210519100457.

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Asymmetric organic synthesis is of paramount importance in the development of drugs. Asymmetric addition reactions such as aldol reaction, Michael addition, and Mannich addition reactions are important carbon-carbon bond-forming reactions and have been employed in the synthesis of a broad range of biologically important molecules. Many of these reactions have been developed under solvent-free conditions or in greener solvents like water. Several reactions have been developed at room temperature or by using a non-conventional energy source such as microwave irradiation. Several greener catalyst
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Li, Hao, Liansuo Zu, Hexin Xie, Jian Wang, Wei Jiang, and Wei Wang. "Enantioselective Organocatalytic Double Michael Addition Reactions." Organic Letters 9, no. 9 (2007): 1833–35. http://dx.doi.org/10.1021/ol070581y.

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Hamlin, Trevor A., Israel Fernández, and F. Matthias Bickelhaupt. "How Dihalogens Catalyze Michael Addition Reactions." Angewandte Chemie International Edition 58, no. 26 (2019): 8922–26. http://dx.doi.org/10.1002/anie.201903196.

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Dissertations / Theses on the topic "Michael addition reactions"

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Du, Haiying. "Michael addition-initiated organocatalytic enantioselective multicomponent reactions with 1,3-dicarbonyls." Thesis, Ecole centrale de Marseille, 2014. http://www.theses.fr/2014ECDM0002/document.

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Ce mémoire de thèse se concentre sur le développement de réactions multicomposants énantiosélectives de dérivés 1,3-Dicarbonylés en présence d'un organocatalyseur, en vue de préparer des motifs polyhétérocycliques fusionnés.Dans un premier temps, nous décrivons nos résultats initiaux sur une réaction multicomposants énantiosélective avec des énals et des amines primaires simples. Au vu des faibles énantiosélectivités obtenues, des amines fonctionnalisées ont ensuite été introduites dans ces réactions, permettant ainsi de synthétiser des pyrrolopiperazines et d'autres molécules hétérocycliques
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Du, Haiying. "Michael addition-initiated organocatalytic enantioselective multicomponent reactions with 1,3-dicarbonyls." Electronic Thesis or Diss., Ecole centrale de Marseille, 2014. http://www.theses.fr/2014ECDM0002.

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Ce mémoire de thèse se concentre sur le développement de réactions multicomposants énantiosélectives de dérivés 1,3-Dicarbonylés en présence d'un organocatalyseur, en vue de préparer des motifs polyhétérocycliques fusionnés.Dans un premier temps, nous décrivons nos résultats initiaux sur une réaction multicomposants énantiosélective avec des énals et des amines primaires simples. Au vu des faibles énantiosélectivités obtenues, des amines fonctionnalisées ont ensuite été introduites dans ces réactions, permettant ainsi de synthétiser des pyrrolopiperazines et d'autres molécules hétérocycliques
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Scansetti, Myriam. "Synthesis of pyroglutamic acid derivatives via double Michael addition reactions of alkynones." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/4222.

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I. Synthesis of pyroglutamic acid derivatives via double Michael reactions of alkynones Pyroglutamic acids and their derivatives are common structural units of widespread chemical significance and they have been heavily utilised as building blocks for asymmetric synthesis. A new method for the synthesis of highly functionalised pyroglutamic acid derivatives, which consists in a Double Michael addition route that utilises amidetethered carbon diacids and aromatic alkynones as substrates, is here described. The reaction proceeds with good levels of trans-diastereoselectivity, provided that subst
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Sanki, A. K. "Vinyl sulfone-modified pyranoses and furanoses: synthesis and michael addition reactions." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2002. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2519.

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Lewandowska, Urszula. "Spontaneous small molecule migration via reversible Michael reactions." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/10635.

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Small molecule walkers developed to date take advantage of the reversibility of dynamic covalent bond formation to transport molecular fragments along molecular tracks using both diffusion processes and ratchet mechanisms. However, external intervention (the addition of chemical reagents and/or irradiation with light) is required to mediate each step taken by the walker unit in systems reported so far. In this Thesis, the first synthetic small molecule able to walk back-and-forth upon an oligoethylenimine track without external intervention via intramolecular Michael and retro- Michael reactio
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Li, Mao. "Iron(III) catalyzed asymmetric Diels-Alder reaction - Iron(II) catalyzed thia-Michael addition and aldehyde allylation reactions." Doctoral thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/34969.

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En raison de leur grande performance, leur prix peu élevé, et leur abondance sur la terre, les catalyseurs de fer ont été choisis pour être testés dans trois différentes transformations de la chimie organique. Le premier projet concerne les réactions asymétriques de Diels-Alder catalysées par Fe⁺¹¹¹ et le ligand bipyridine chiral à des dérivés α, β-insaturés de l’oxazolidin-2-one. Dans un premier temps, nous avons testé différents solvants, diverses quantités en catalyseur, temps de réaction variés et divers sels de fer tels que Fe(ClO₄)₂·6H₂O, Fe(ClO₄)₂·6H₂O, Fe(OTf)₃, Fe(OTf)₂, FeCl₂, FeCl₃,
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Mehdar, Yassin Taleb. "Synthesis and applications of proline derived guanidine catalysts in asymmetric Michael addition reactions." Thesis, Bangor University, 2017. https://research.bangor.ac.uk/portal/en/theses/synthesis-and-applications-of-proline-derived-guanidine-catalysts-in-asymmetric-michael-addition-reactions(4904fca7-0964-4403-92e5-ed2efe888e85).html.

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This thesis reports the preparation of a range of guandine and guanidinium species used as catalysts for asymmetric Michael additions. The most successful of these were based on the generalized structure I (R = Me, iPr, Bn, Cy; R1, R2 = H, Me, Ph, 1,2-phenyl, R3 = Me, Bz, Cbz, Ph) and were effective catalysts of the reaction between of 2-nitrostyrene 52 and 93 leading to yields 35-99 % and up to 44 % enantiomeric excess for the product 94. Similar reactions using diethyl malonate or 2,4-pentanedione were also catalysed however these were less successful and generally led to low enantiomeric ex
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LOPS, CARMINE. "Development of organocatalytic and stereoselective reactions." Doctoral thesis, Università degli Studi di Trieste, 2018. http://hdl.handle.net/11368/2918472.

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Il focus di questo dottorato è stato lo sviluppo di due reazioni organocatalitiche e stereoselettive: le addizioni di sulfa-Michael e le condensazioni di Darzens poiché rappresentano degli approcci sintetici interessanti per la sintesi di farmaci chirali e, nell’ambito farmaceutico, ci sono pochi principi attivi (API) sintetizzati con reazioni di SMAs e/o di Darzens organocatalitiche e stereoselettive. Nell’ambito delle addizioni di sulfa-Michael (SMAs), la catalisi mediata da molecole bifunzionali donatrici di legami ad idrogeno (HBD) rappresenta un approccio interessante per l'attivazione si
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Beck, Daniel Antony Speedie, and beckautomatic@gmail com. "Stereoselective intramolecular Michael addition reactions of pyrrole and their application to natural product syntheses." The Australian National University. Research School of Chemistry, 2006. http://thesis.anu.edu.au./public/adt-ANU20070130.130009.

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Chapter one; “(-)-Rhazinilam and (-)-Rhazinal: Alkaloids with Anti-mitotic Properties Derived from Kopsia teoi”, provides the background information behind the motives that initiated this research project. The plant alkaloid (-)-rhazinilam [(-)-1] and its naturally-occurring derivative (-)-rhazinal [(-)-13] both exhibit potent anti-mitotic activities and, as such, are interesting targets for total synthesis. Chapter one is a review of the literature regarding these two compounds and discusses the occurrence, proposed biosynthetic origins, structural elucidation and biological activites of c
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Beck, Daniel Antony Speedie. "Stereoselective intramolecular Michael addition reactions of pyrrole and their application to natural product syntheses /." View thesis entry in Australian Digital Theses Program, 2006. http://thesis.anu.edu.au/public/adt-ANU20070130.130009/index.html.

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Book chapters on the topic "Michael addition reactions"

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Li, Jie Jack. "Michael addition." In Name Reactions. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05336-2_193.

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Li, Jie Jack. "Michael addition." In Name Reactions. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03979-4_173.

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Li, Jie Jack. "Michael addition." In Name Reactions. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04835-1_182.

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Li, Jie Jack. "Michael addition." In Name Reactions. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01053-8_160.

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Li, Jie Jack. "Michael Addition." In Name Reactions. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-50865-4_93.

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Li, Jie Jack. "Mukaiyama Michael addition." In Name Reactions. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03979-4_184.

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Li, Jie Jack. "Mukaiyama Michael addition." In Name Reactions. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01053-8_171.

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Li, Jie Jack. "Mukaiyama Michael Addition." In Name Reactions. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-50865-4_100.

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Spitzner, D., and P. Wagner. "Lewis Acid Catalized Double Michael Addition." In Selectivities in Lewis Acid Promoted Reactions. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2464-2_30.

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Oare, David A., and Clayton H. Heathcock. "Acyclic Stereocontrol in Michael Addition Reactions of Enamines and Enol Ethers." In Topics in Stereochemistry. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470147290.ch2.

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Conference papers on the topic "Michael addition reactions"

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Tinsley, R. G. "Isocyanate Free Urethanes; a New Class of Coating System for Corrosion Resistant Finishes." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94600.

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Abstract As part of an ongoing effort to develop lower toxicity, more environmentally benign coatings binder systems, a series of polymers using a novel Michael Addition reaction cure mechanism, has been developed. For the cross-linking system, a number of lower molecular weight polymers with acceptor sites have been developed. They include in the polymer chain a significant amount of prereacted polyurethane, thereby giving the cured coating the familiar properties of a high quality standard polyurethane system. The chemistry of the cure mechanism is discussed pointing out the similarities and
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Forghani, A., L. Garber, C. Chen, R. Devireddy, J. Pojman, and D. Hayes. "In Situ Polymerization of PEGDA Foam for Bone Defects." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51235.

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The purpose of this study is to develop a novel bone replacement using in situ polymerization of thiol-acrylate with adipose tissue derived adult stem cells (ASCs). Specifically, Poly(ethylene glycol) diacrylate-co-trimethylolpropane tris (3-mercaptopropionate) (PEGDA-co-TMPTMP) was synthesized with 10% Hydroxyapatite (HA) foam by an amine-catalyzed Michael addition reaction. Initial characterization studies were performed to determine the temperature profile during the exothermic reaction showing a peak temperature of 50°C. To prevent hyperthermic cell damage and death during the exothermic p
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Katterbauer, Klemens, Abdallah Al Shehri, Abdulaziz Qasim, and Ali Yousef. "Estimating Dynamical Mineral Dissolution for Co2 Injection Into Saline Aquifers Utilizing Deep Learning in the Ahuroa Saline Aquifer." In SPE Offshore Europe Conference & Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215556-ms.

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Abstract The geological carbon storage (GCS) in subsurface environments, such as deep permeable saline formations, is one of the achievable methods for carbon dioxide storage. There are several commercial projects such as the Sleipner field in Norway, and in Salah in Algeria have demonstrated that carbon dioxide can be safely stored in these reservoirs. The natural environments are capable to store CO2 on geologic time scales, that is mostly caused by solubility trapping. While the geological, physical and chemical conditions for the escape of CO2 are still in the research phase and how CO2 ca
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