Academic literature on the topic 'Horner emmons reaction'

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Journal articles on the topic "Horner emmons reaction"

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Ando, Kaori. "Z-Selective Horner-Wadsworth-Emmons Reaction." Journal of Synthetic Organic Chemistry, Japan 58, no. 9 (2000): 869–76. http://dx.doi.org/10.5059/yukigoseikyokaishi.58.869.

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Steinbach, Tobias, Christian Wahlen, and Frederik R. Wurm. "Poly(phosphonate)-mediated Horner–Wadsworth–Emmons reactions." Polymer Chemistry 6, no. 7 (2015): 1192–202. http://dx.doi.org/10.1039/c4py01365d.

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Poly(phosphonate)s were used in Horner–Wadsworth–Emmons (HWE) reactions with aldehydes. The progress of the reaction was monitored via in situ-NMR spectroscopy. Minimal purification efforts by precipitation of the polymer are achieved.
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Isbera, Mostafa, Balázs Bognár, József Jekő, Cecilia Sár, Kálmán Hideg, and Tamás Kálai. "Syntheses and Reactions of Pyrroline, Piperidine Nitroxide Phosphonates." Molecules 25, no. 10 (2020): 2430. http://dx.doi.org/10.3390/molecules25102430.

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Organophosphorus compounds occupy a significant position among the plethora of organic compounds, but a limited number of paramagnetic phosphorus compounds have been reported, including paramagnetic phosphonates. This paper describes the syntheses and further transformations of pyrroline and piperidine nitroxide phosphonates by well-established methods, such as the Pudovik, Arbuzov and Horner-Wadsworth-Emmons (HWE) reactions. The reaction of paramagnetic α-bromoketone produced a vinylphosphonate in the Perkow reaction. Paramagnetic α-hydroxyphosphonates could be subjected to oxidation, elimina
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Monçalves, Matias, Gabriel M. Zanotto, Josene M. Toldo та ін. "Dipolar vinyl sulfur fluorescent dyes. Synthesis and photophysics of sulfide, sulfoxide and sulfone based D–π–A compounds". RSC Advances 7, № 15 (2017): 8832–42. http://dx.doi.org/10.1039/c6ra27989a.

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Suzuki, Hideyuki, та Chiaki Kuroda. "(E)-Selective Synthesis of γ-Substituted-β-(Ethoxycarbonyl)Allylsilanes Utilising Ethyl 2-Diphenylphosphono-3-(Trimethylsilyl)Propionate. Improved Synthesis of 11 Membered Carbocycle by a Homo-Cope Reaction". Journal of Chemical Research 2003, № 5 (2003): 310–12. http://dx.doi.org/10.3184/030823403103173930.

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A. Bisceglia, Juan, and Liliana R. Orelli. "Recent Progress in the Horner-Wadsworth-Emmons Reaction." Current Organic Chemistry 19, no. 9 (2015): 744–75. http://dx.doi.org/10.2174/1385272819666150311231006.

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Ando, Kaori, and Kyohei Yamada. "Solvent-free Horner–Wadsworth–Emmons reaction using DBU." Tetrahedron Letters 51, no. 25 (2010): 3297–99. http://dx.doi.org/10.1016/j.tetlet.2010.04.072.

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Ando, Kaori. "ChemInform Abstract: Z-Selective Horner-Wadsworth-Emmons Reaction." ChemInform 32, no. 16 (2001): no. http://dx.doi.org/10.1002/chin.200116288.

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Baikadi, Karunakar, Anil Talakokkula, and A. Narsaiah. "Stereoselective Total Synthesis of Macrolide Sch-725674 and C-7-epi-Sch-725674." SynOpen 03, no. 01 (2019): 26–35. http://dx.doi.org/10.1055/s-0037-1611665.

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The stereoselective total synthesis of Sch-725674 in 14 ­linear synthetic steps with 10.3% overall yield is described. The synthesis started from commercially available starting materials, d-ribose and (R)-benzyl glycidol. The key reactions involved CBS reduction, Julia–­Kocienski olefination, Horner–Wadsworth–Emmons reaction, and ­Shiina macrolactonization.
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Mai, Juri, and Sascha Ott. "The Fascinating World of Phosphanylphosphonates: From Acetylenic Phosphaalkenes to Reductive Aldehyde Couplings." Synlett 30, no. 16 (2019): 1867–85. http://dx.doi.org/10.1055/s-0039-1690129.

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This account highlights the versatility of phosphanylphosphonates, which can be used for the preparation of phosphorus-containing π-systems and as reagents for the reductive coupling of carbonyl compounds to alkenes. Phosphanylphosphonates with metal fragments coordinated to the P-lone pair have been known for a long time and they have been used for the synthesis of phosphaalkenes by means of the phospha-Horner–Wadsworth–Emmons reaction. With the original aim of incorporating phosphorus heteroatoms into classical all-carbon ethynylethene scaffolds, we entered the field of phosphanylphosphonate
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Dissertations / Theses on the topic "Horner emmons reaction"

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Lear, Jeremy M. "The Synthesis of Benzyloxy Substituted DP-PPV and Examination of the Horner-Wadsworth-Emmons Reaction in the Synthesis of DP-PPV." Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1401459783.

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Kawamura, Meire Yasuko. "Emprego de diazocetonas α,β-insaturadas com geometria Z na direta construção de esqueletos indolizidínicos e piperidínicos funcionalizados." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/75/75133/tde-26082016-104019/.

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Pumiliotoxinas e seus congêneres são compostos isolados da pele de algumas espécies de sapos das famílias Dendrobatidae, Mantellidae, Bufonidae, e Myobatrachidae, apresentando interessantes propriedades farmacológicas. As pumiliotoxinas, embora tóxicas, apresentam consideráveis atividades cardiotônicas, assim, acredita-se que as homopumiliotoxinas, as desmetilpumiliotoxinas e as desidrodesmetilpumiliotoxinas também devam apresentar. Nesse sentido, a síntese destes compostos é de extrema valia para a comunidade científica. As diazocetonas α,β-insaturadas são intermediários promissore
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Vilca, Edson Emilio Garambel. "Síntese de um intermediário indólico-piperidínico, visando a síntese total do ácido lisérgico." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/75/75133/tde-09022015-165711/.

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Os alcalóides ergolínicos são uma categoria de compostos que possuem um esqueleto tetracíclico [6,5,6,6] derivados da ergolina. Do ponto de vista farmacológico, estes compostos são uma classe de produtos naturais importantes, já que exibem uma grande variedade de atividade biológica. Estas moléculas têm sido alvos sintéticos devido ao seu complexo esqueleto tetracíclico e as propriedades supracitadas, o que resultou no desenvolvimento de sínteses totais ao longo do tempo. O ácido lisérgico é o representante notável da família dos alcaloides ergolínicos, uma vez que desde o ano de 1956 até 2013
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Tue, Bi Balo. "Etude de la synthèse électrochimique de chloro-oléfines par réaction de Wittig-Horner in situ." Rouen, 1988. http://www.theses.fr/1988ROUES025.

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Les composés du titre sont préparés par une réaction d'Horner Emmons entre un dérivé carbonylé (aldéhydes et cétones aliphatiques et aromatiques) et l'anion issu de la réduction électrochimique du o,o-diéthyl trichlorométhyl phosphanate. On propose une méthode de préparation des dichloro- et chlorométhylphosphonates par électrolyse à courant constant sur cathode à feutre de carbone. Le comportement électrochimique des oléfines dichlorées préparées est étudié. On obtient également un époxyphosphonate par réduction électrochimique d'un sel de phosphonium dérivant du trichlorométhylphosphonate
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Gravier-Pelletier, Christine. "Synthese du leucotriene enantiomeriquement pru ltb quatre et d'un analogue a partir du d-manniotol." Paris 6, 1986. http://www.theses.fr/1986PA066507.

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Tay, Ming Kiong Michael. "Les carbanions alpha-phosphonylés, agents de transfert fonctionnel : applications synthétiques." Rouen, 1987. http://www.theses.fr/1987ROUES043.

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Cette étude développe les avantages de la voie carbanionique dans la préparation des phosphonates fonctionnels. La condensation des carbanions d'alkyphosphonates avec des précurseurs fonctionnels appropriés permet d'accéder aux énamines, amides et esters alpha-phosphorylés alpha-substitués. Elle permet d'introduire sur le carbone en alpha des substituants non accessibles par la synthèse traditionnelle de Michaelis-Arbusov. La stabilisation de l'intermédiaire réactionnel par complexation du cation avec le groupe phosphoryle assure sa formation facile et sa protection contre des attaques seconda
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Olusegun-Osoba, Elizabeth Oluwakemi. "Strategies towards the synthesis of 4-(3-methyl-but-1-enyl)-3,5,3',4'-tetrahydroxystilbene (arachidin-1) and resveratrol analogues." Thesis, University of Hertfordshire, 2015. http://hdl.handle.net/2299/17118.

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Stilbene phytoalexins such as resveratrol, 1, and the arachidins, including arachidin-1,2, are naturally synthesised by peanut (Arachis hypogaea) plants. The peanut phytoalexins are polyphenolic compounds consisting of a stilbene backbone, with a number of derivatives also possessing a prenyl moiety. These distinctive phytoalexins have gained attention, as they exhibit various biological activities, for instance arachidin-1, 2, has been reported to be more potent than resveratrol, 1, in the inhibition of lipopolysaccharide-induced expression of cyclooxygenase-2 (COX-2) and COX-2 mRNA, in vitro
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Strand, Daniel. "Methods for Asymmetric Olefination Reactions; Development and Application to Natural Product Synthesis." Doctoral thesis, Stockholm : Chemical Science and Engineering, KTH, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4088.

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Hackett, Siobhán. "Exploring the reactions of small rings." Thesis, Queen Mary, University of London, 2014. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8965.

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Small rings are frequently found in natural products as well as incorporated into drugs and agrochemicals in which they impart valuable properties on the biological activity of these compounds. Cyclopropanes are also extremely useful as reagents in organic synthesis, in particular as “umpolung” reagents, allowing access to products which would otherwise be more difficult to synthesise. This thesis will describe forays into the synthesis and further substitution of small rings as well as the iminium-catalysed ring-opening of cyclopropanes. The introduction will outline the uses and properties o
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Gao, Lei. "Functionalized Organogold(I) Complexes from Base-Promoted Auration, Copper(I)-Catalyzed Huisgen 1,3-Dipolar Cycloaddition, and Horner-Wadsworth-Emmons Reactions and Metallo-Azadipyrromethene Complexes for Solar Energy Conversion and Oxygen Evolution." Case Western Reserve University School of Graduate Studies / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1274970376.

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Book chapters on the topic "Horner emmons reaction"

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Li, Jie Jack. "Horner—Wadsworth—Emmons reaction." In Name Reactions. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04835-1_138.

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Li, Jie Jack. "Horner—Wadsworth—Emmons reaction." In Name Reactions. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01053-8_129.

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Li, Jie Jack. "Horner–Wadsworth–Emmons reaction." In Name Reactions. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03979-4_138.

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Li, Jie Jack. "Horner-Wadsworth-Emmons reaction." In Name Reactions. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05336-2_148.

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Li, Jie Jack. "Horner–Wadsworth–Emmons Reaction." In Name Reactions. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-50865-4_70.

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Ernst, Hansgeorg, and Peter Münster. "Wittig and Horner-Emmons Reaction." In Carotenoids. Birkhäuser Basel, 1996. http://dx.doi.org/10.1007/978-3-0348-9323-7_19.

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Li, Jie Jack. "Masamune–Roush conditions for the Horner–Emmons reaction." In Name Reactions. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01053-8_152.

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Li, Jie Jack. "Masamune–Roush conditions for the Horner–Emmons reaction." In Name Reactions. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03979-4_165.

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Glass, R. S. "Horner–Emmons Reaction." In Three Carbon-Heteroatom Bonds: Amides and Derivatives; Peptides; Lactams. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-022-00127.

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Vanderwal, C. D., and E. N. Jacobsen. "Horner–Wadsworth–Emmons Reaction." 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-020-01251.

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