Academic literature on the topic 'Iodocyclisation'

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Journal articles on the topic "Iodocyclisation"

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Chen, Shuqi, and Bernard L. Flynn. "Iodocyclisation of Electronically Resistant Alkynes: Synthesis of 2-Carboxy (and sulfoxy)-3-iodobenzo[b]thiophenes." Australian Journal of Chemistry 74, no. 1 (2021): 65. http://dx.doi.org/10.1071/ch20218.

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The iodocyclisation of alkynes bearing tethered nucleophiles is a highly effective method for the construction and diversification of heterocycles. A key limitation to this methodology is the 5-endo-dig iodocyclisation of alkynes that have an unfavourable electronic bias for electrophilic cyclisation. These tend to direct electrophilic attack of the iodonium atom to the wrong carbon for cyclisation, thus favouring competing addition reactions. Using our previously determined reaction conditions for the 5-endo-dig iodocyclisations of electronically resistant alkynes, we have achieved efficient
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Fousteris, Manolis, Carole Chevrin, Jean Le Bras, and Jacques Muzart. "Water-promoted iodocyclisation of 2-allylphenols." Green Chemistry 8, no. 6 (2006): 522. http://dx.doi.org/10.1039/b602398c.

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Macritchie, Jacqueline A., Torren M. Peakman, Alan Silcock та Christine L. Willis. "Iodocyclisation studies on unsaturated α-hydroxy esters". Tetrahedron Letters 39, № 40 (1998): 7415–18. http://dx.doi.org/10.1016/s0040-4039(98)01611-6.

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Beckwith, Athelstan L. J., and Matthew J. Tozer. "The iodination and iodocyclisation of some alkenylmalonates." Tetrahedron Letters 33, no. 34 (1992): 4975–78. http://dx.doi.org/10.1016/s0040-4039(00)61249-2.

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Hiebel, Marie-Aude, Béatrice Pelotier, Peter Goekjian, and Olivier Piva. "2,6-Disubstituted Tetrahydropyrans by Tandem Cross-Metathesis/Iodocyclisation." European Journal of Organic Chemistry 2008, no. 4 (2008): 713–20. http://dx.doi.org/10.1002/ejoc.200700902.

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Bégué, Jean-Pierre, Danièle Bonnet-Delpon, Romain Dogbeavou та Michèle Ourévitch. "Trifluoromethylated furans via iodocyclisation of γ-unsaturated ethyl trifluoroacetoacetates". J. Chem. Soc., Perkin Trans. 1, № 22 (1993): 2787–91. http://dx.doi.org/10.1039/p19930002787.

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Davies, Deiniol, Matthew D. Fletcher, Herjan Franken, et al. "Iodocyclisation and rearrangement reactions of mono-protected allyl substituted guanidines." Tetrahedron Letters 51, no. 52 (2010): 6825–29. http://dx.doi.org/10.1016/j.tetlet.2010.10.050.

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Creeke, Paul I., and John M. Mellor. "Synthessi and elaboration of heterocycles via iodocyclisation of unsaturated thioureas." Tetrahedron Letters 30, no. 33 (1989): 4435–38. http://dx.doi.org/10.1016/s0040-4039(00)99382-1.

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Clarke, Paul A., Matthew Grist, and Mark Ebden. "An iodocyclisation/elimination approach to a DEF-ring core of FR182877." Tetrahedron Letters 45, no. 5 (2004): 927–29. http://dx.doi.org/10.1016/j.tetlet.2003.11.105.

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Moody, Christopher J., Peter A. Hunt, and Colin Smith. "Iodocyclisation of N-allyl ureas; a route to imidazolin-2-ones." Arkivoc 2000, no. 5 (2000): 698–706. http://dx.doi.org/10.3998/ark.5550190.0001.504.

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Dissertations / Theses on the topic "Iodocyclisation"

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Hammoud, Sokaina. "Accès à de nouvelles structures tricycliques di-iodes à base indolique et isoindolique par iodocyclisation." Thesis, Tours, 2015. http://www.theses.fr/2015TOUR4034.

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Une nouvelle voie d’accès à des structures tri-cycliques originaux les « oxazino-indole di-iodés» a été mise au point à partir des acides 1H-indole-2-carboxyliques commerciaux ou des acides 1H-indole-2-carboxyliques fonctionnalisés obtenus par la réaction d’Hemetsberger-Knittel. La dernière étape de cette séquence est une réaction d’iodocyclisation qui s’est avérée totalement régio- et stéréosélective selon un processus de type 6-exo-dig. Cette méthodologie a ensuite été étendue en série isoindolique permettant un accès à des motifs « oxazino-isoindolique di-iodés » originaux. Afin d'étendre d
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Bousquie, Isabelle. "Synthèse et évaluation de 3',4'-bicyclonucléosides potentiellement anti-VIH." Paris 11, 1998. http://www.theses.fr/1998PA114820.

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Ce travail décrit la synthèse de nucléosides 3',4'-bicycliques de structure originale, en vue de leur évaluation antivirale (anti-VIH). La synthèse de nucléosides oxygénés de type bis-furane a été envisagée par le bias d'une cyclisation radicalaire intramoléculaire entre une oléfine en position 4' et une chaine halogénée introduite 3' de la thymidine. Des problèmes d'alkylation, corrélés à une instabilité du produit possédant une fonction méthylène exo en 4', ne nous ont pas permis d'atteindre notre objectif. Dans une deuxième partie, nous avons réalisé la synthèse de 3',4'-pyrano-furano-nuclé
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Brock, Elizabeth Anne. "Alkaloids from transannular iodoaminations." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:0feddc99-0fde-4dcd-b717-b0c6b0515615.

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This thesis is concerned with the development of transannular iodoamination methodology for the synthesis of pyrrolizidine, indolizidine and tropane alkaloids. Chapter 1 introduces the concept of a ‘transannular cyclisation’ and outlines the utility of such cyclisations in the synthesis of a range of [x.y.z]-azabicyclic alkaloids. Chapter 2 describes the development of a three step lithium amide conjugate addition, ring-closing metathesis and transannular iodoamination protocol for the preparation of the pyrrolizidine scaffold ([3.3.0]-azabicycle). Cyclisation of a hexahydroazocine occurs with
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