Bibliografías temáticas / Iodure hypervalent

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Literatura académica sobre el tema "Iodure hypervalent"

Autor: Grafiati
Publicado: 19 de octubre de 2024
Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Iodure hypervalent"

1

Kiyokawa, Kensuke, and Satoshi Minakata. "Iodine-Based Reagents in Oxidative Amination and Oxygenation." Synlett 31, no. 09 (2020): 845–55. http://dx.doi.org/10.1055/s-0039-1690827.

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In this Account, we provide an overview of our recent advances in oxidative transformations that enable the introduction of nitrogen and oxygen functionalities into organic molecules by taking advantage of the unique characteristics of iodine-based reagents, such as hypervalency, soft Lewis acidity, high leaving ability, and radical reactivity. We also report on the development of new types of hypervalent iodine reagents containing a transferable nitrogen functional group with the objective of preparing primary amines, which is described in the latter part of this Account.1 Introduction2 Decar
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2

Dearman, Samuel M. G., Xiang Li, Yang Li, Kuldip Singh, and Alison M. Stuart. "Oxidative fluorination with Selectfluor: A convenient procedure for preparing hypervalent iodine(V) fluorides." Beilstein Journal of Organic Chemistry 20 (July 29, 2024): 1785–93. http://dx.doi.org/10.3762/bjoc.20.157.

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The ability to investigate hypervalent iodine(V) fluorides has been limited primarily by their difficult preparation traditionally using harsh fluorinating reagents such as trifluoromethyl hypofluorite and bromine trifluoride. Here, we report a mild and efficient route using Selectfluor to deliver hypervalent iodine(V) fluorides in good isolated yields (72–90%). Stability studies revealed that bicyclic difluoro(aryl)-λ5-iodane 6 was much more stable in acetonitrile-d3 than in chloroform-d1, presumably due to acetonitrile coordinating to the iodine(V) centre and stabilising it via halogen bondi
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3

Kuhn, Norbert, Qutaiba Abu-Salem, Torben Gädt, Steffi Reit, and Manfred Steimann. "Trimethyl(4-Iodophenyl)Ammoniumiodid, Eine Hypervalente Verbindung Des Iods." Zeitschrift für Naturforschung B 62, no. 6 (2007): 871–72. http://dx.doi.org/10.1515/znb-2007-0619.

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4

Goesten, Maarten G., Roald Hoffmann, F. Matthias Bickelhaupt, and Emiel J. M. Hensen. "Eight-coordinate fluoride in a silicate double-four-ring." Proceedings of the National Academy of Sciences 114, no. 5 (2017): 828–33. http://dx.doi.org/10.1073/pnas.1615742114.

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Fluoride, nature’s smallest anion, is capable of covalently coordinating to eight silicon atoms. The setting is a simple and common motif in zeolite chemistry: the box-shaped silicate double-four-ring (D4R). Fluoride seeks its center. It is the strain of box deformation that keeps fluoride in the middle of the box, and freezes what would be a transition state in its absence. Hypervalent bonding ensues. Fluoride’s compactness works to its advantage in stabilizing the cage; chloride, bromide, and iodide do not bring about stabilization due to greater steric repulsion with the box frame. The comb
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5

LaMartina, Kelsey B., Haley K. Kuck, Linda S. Oglesbee, Asma Al-Odaini, and Nicholas C. Boaz. "Selective benzylic C–H monooxygenation mediated by iodine oxides." Beilstein Journal of Organic Chemistry 15 (March 5, 2019): 602–9. http://dx.doi.org/10.3762/bjoc.15.55.

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A method for the selective monooxdiation of secondary benzylic C–H bonds is described using an N-oxyl catalyst and a hypervalent iodine species as a terminal oxidant. Combinations of ammonium iodate and catalytic N-hydroxyphthalimide (NHPI) were shown to be effective in the selective oxidation of n-butylbenzene directly to 1-phenylbutyl acetate in high yield (86%). This method shows moderate substrate tolerance in the oxygenation of substrates containing secondary benzylic C–H bonds, yielding the corresponding benzylic acetates in good to moderate yield. Tertiary benzylic C–H bonds were shown
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6

Zhdankin, V. "APPLICATION OF HYPERVALENT IODINE COMPOUNDS IN ADVANCED GREEN TECHNOLOGIES." Resource-Efficient Technologies, no. 1 (May 14, 2021): 1–16. http://dx.doi.org/10.18799/24056529/2021/1/286.

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This review summarizes industrial applications of inorganic and organic polyvalent (hypervalent) iodine compounds. Inorganic iodate salts have found some application as a dietary supplements and food additives. Iodine pentafluoride is used as industrial fluorinating reagent, and iodine pentoxide is a powerful and selective oxidant that is particularly useful in analytical chemistry. Common organic hypervalent iodine reagents such as (dichloroiodo)benzene and (diacetoxyiodo)benzene are occasionally used in chemical industry as the reagents for production of important pharmaceutical intermediate
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7

Zhang, Chi, Xiao-Guang Yang, Ze-Nan Hu, Meng-Cheng Jia, and Feng-Huan Du. "Recent Advances and the Prospect of Hypervalent Iodine Chemistry." Synlett 32, no. 13 (2021): 1289–96. http://dx.doi.org/10.1055/a-1492-4943.

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AbstractNowadays, hypervalent iodine chemistry has remarkably advanced in parallel with the emergence of novel hypervalent iodine reagents. Hypervalent iodine reagents, due to their outstanding characteristics including rich reactivities, excellent chemoselectivity, stability, and environmental friendliness, are becoming more and more popular in the synthetic organic chemistry. In this Account, a number of recent elegant research works and our perspective on the future of hypervalent iodine chemistry is presented.1 Introduction2 Recent Advances and Discussion2.1 Novel Reactivities of Hypervale
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Maegawa, Tomohiro, Yasuyoshi Miki, Ryohei Oishi, Kazutoshi Segi, Hiromi Hamamoto, and Akira Nakamura. "Hypervalent Iodine-Mediated Beckmann Rearrangement of Ketoximes." Synlett 29, no. 11 (2018): 1465–68. http://dx.doi.org/10.1055/s-0037-1609686.

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We developed a Beckmann rearrangement employing hypervalent iodine reagent under mild conditions. The reaction of ketoxime with hypervalent iodine afforded the corresponding ketone, but premixing of hypervalent iodine and a Lewis acid was effective for promoting Beckmann rearrangement. Aromatic and aliphatic ketoximes were converted into their corresponding amides in good to high yields.
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Xing, Linlin, Yong Zhang, and Yunfei Du. "Hypervalent Iodine-Mediated Synthesis of Spiroheterocycles via Oxidative Cyclization." Current Organic Chemistry 23, no. 1 (2019): 14–37. http://dx.doi.org/10.2174/1385272822666181211122802.

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Hypervalent iodine reagents have been widely used in the construction of many important building blocks and privileged scaffolds of bioactive natural products. This review article aims to briefly discuss strategies that have used hypervalent iodine reagents as oxidants to synthesize spiroheterocyclic compounds and to stimulate further study for novel syntheses of spiroheterocyclic core structures using hypervalent iodine reagents under metal-free conditions.
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Mowdawalla, Cyrus, Faiz Ahmed, Tian Li, et al. "Hypervalent iodine-guided electrophilic substitution: para-selective substitution across aryl iodonium compounds with benzyl groups." Beilstein Journal of Organic Chemistry 14 (May 14, 2018): 1039–45. http://dx.doi.org/10.3762/bjoc.14.91.

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The reactivity of benzyl hypervalent iodine intermediates was explored in congruence with the reductive iodonio-Claisen rearrangement (RICR) to show that there may be an underlying mechanism which expands the reasoning behind the previously known C–C bond-forming reaction. By rationalizing the hypervalent iodine’s metal-like properties it was concluded that a transmetallation mechanism could be occurring with metalloid groups such as silicon and boron. Hypervalent iodine reagents such as Zefirov’s reagent, cyclic iodonium reagents, iodosobenzene/BF3, and PhI(OAc)2/BF3 or triflate-based activat
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Tesis sobre el tema "Iodure hypervalent"

1

Jaussaud, Quentin. "Génération in situ d’isocyanates par décarboxylation d’acides oxamiques pour l’élaboration de matériaux polyuréthanes." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0139.

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Ces travaux de thèse portent sur la synthèse de polyuréthanes par génération in situ d’isocyanates, à travers différentes voies de moindre toxicité que la voie classique faisant appel à l’utilisation directe d’isocyanates. Dans un premier temps, la décarboxylation oxydante des acides oxamiques conduisant à la formation d’isocyanates a été réalisée par activation thermique grâce à l’utilisation d’un iodure hypervalent, jouant le rôle d’oxydant. Une étude cinétique sur des réactions modèles en présence d’alcool, associé à une modélisation numérique, ont notamment mis en évidence un effet catalyt
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2

Antien, Kevin. "Développement de nouveaux réactifs iodés hypervalents chiraux hélicéniques. Synthèse collective stéréodivergente d’alcaloïdes de Securinega." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0349/document.

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La chimie des composés iodés hypervalents, ou organoiodanes, suscite un engouement croissant de la part de la communauté scientifique depuis maintenant près de 30 ans. Les efforts de recherche sont de nos jours orientés de manière prépondérante vers des applications en synthèse asymétrique, principalement au travers de l’utilisation d’architectures organoiodées chirales. À ce jour, seules les chiralités centrales et axiales sont exploitées dans l’élaboration de tels objets. L’emploi d’iodanes achiraux (i.e. en synthèse asymétrique) en présence d’additifs chiraux a par ailleurs été largement né
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Nocquet-Thibault, Sophie. "La difonctionnalisation d’énamides en utilisant des dérivés d’iode (III) hypervalent." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112270/document.

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Lors de ce travail de thèse qui visait à développer une méthode générale d’introduction d’halogénures et de pseudo-halogénures en se basant sur l’utilisation de réactifs d’iode hypervalent en tant que promoteurs d’umpolung, diverses avancées ont pu être accomplies. Tout d’abord, une réaction d'alkoxybromation régiosélective mettant en jeu des sels de bromure et du PIDA a été mise au point. Un des intérêts de cette réaction réside dans l'utilisation de LiBr peu coûteux comme source d'halogène électrophile (par inversion de polarité : umpolung). En outre, l'introduction de deux groupements de ma
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4

Khan, Zulfiqar Ali. "Novel iodine mediated carbocyclisations and hypervalent iodine(III) reagents." Thesis, Cardiff University, 2010. http://orca.cf.ac.uk/54137/.

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The first chapter focuses on the introduction of iodine mediated carbocyclisations and their applications continue to present a stimulating challenge in target- and diversity-oriented synthesis. The second chapter discusses applications and brief literature overview about classical approaches towards the syntheses of indene derivatives. Herein the syntheses of 3-iodo-1 H-indene derivatives via iodonium-promoted 5-endo-dig carbocyclisation of 2-substituted ethynylmalonates as a key starting material are described. Within this study, we were able to show that the 3-iodo-1 H-indene can be used as
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Brenet, Simon. "Nouvelle structure BINOL-Maléimide. Applications en catalyse d'oxydation asymétrique." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENV050/document.

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Les réactions asymétriques catalysées constituent une approche élégante au problème de l'introduction de centres stéréogène pour la synthèse de molécules complexes. Dans ce contexte, les oxydations sont notables de par la possibilité de créer en une seule étape à la fois le centre asymétrique ainsi que les fonctions dont les réactivités sont à la base des méthodologies de synthèse. La sélectivité d'un catalyseur est le plus souvent contrôlée par sa structure même. Notre groupe étudie les oxydations aérobies asymétriques par activation C-H par des analogues chiraux du N-hydroxyphtalimide (NHPI)
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6

Peilleron, Laure. "Nouvelle approche synthétique vers des analogues de l'avibactam et cyclisations de N-alkoxyurées insaturées initiées par des réactifs d’iode(III) hypervalent." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS408/document.

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La situation très préoccupante due aux résistances antimicrobiennes incite les chimistes à concevoir de nouvelles molécules capables de lutter contre ces résistances. Les inhibiteurs de β-lactamases diazabicyclooctanes permettent de préserver l'arsenal thérapeutique actuel en restaurant l’activité des antibiotiques β-lactames. Ainsi, l'avibactam a été très récemment approuvé par la FDA et l'EMA en association avec la ceftazidime (une céphalosporine de 3ème génération) pour le traitement des infections sévères de bactéries Gram négatif. Ces composés se caractérisent par une structure bicyclique
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7

Jia, Zhiyu. "Transformations promoted by the hypervalent iodine reagents." Doctoral thesis, Universitat Autònoma de Barcelona, 2014. http://hdl.handle.net/10803/134832.

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Malmedy, Florence. "Stereoselective transformations using chiral hypervalent iodine reagents." Thesis, Cardiff University, 2016. http://orca.cf.ac.uk/93576/.

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Hypervalent iodine (III) compounds are efficient, selective and environmentally friendly reagents. Due to their electrophilic nature and excellent leaving group ability, they can be used to mediate oxidative transformations; for example, the oxidation of sulfides to sulfoxides, the α-functionalisation of ketones, the dearomatisation of phenols, the functionalisation of alkenes and, more recently, the rearrangement of various substrates. In this thesis, the stereoselective rearrangement of propiophenone derivatives mediated by chiral hypervalent iodine reagents is described (Scheme i). A chiral
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9

Edmunds, J. J. "Novel fluorination reactions via hypervalent iodine reagents." Thesis, Imperial College London, 1988. http://hdl.handle.net/10044/1/47045.

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Romero, Segura Rafael Martín. "Development of hypervalent iodine(iii)-mediated chemical reactions." Doctoral thesis, Universitat Rovira i Virgili, 2017. http://hdl.handle.net/10803/402470.

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El iode hipervalent representa una poderosa eina per dur a terme diferent reaccions d’oxidació en condicions lliures de metalls. S’han realitzat estudis mecanístics que inclouen experiments de control físic-orgànics relatius a la diaminació intermolecular d’alquens mediats per iode(III) que han servit per a demostrar la veracitat dels càlculs computacionals realitzats prèviament. Aquesta informació va proporcionar una visió crucial per al desenvolupament d’una nova reacció enantioselectiva de diaminació d’estirens catalitzada per iode(III). El disseny d’un nou catalitzador quiral de iode b
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Libros sobre el tema "Iodure hypervalent"

1

Zhdankin, Viktor V. Hypervalent Iodine Chemistry. John Wiley & Sons Ltd, 2013. http://dx.doi.org/10.1002/9781118341155.

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Wirth, Thomas, ed. Hypervalent Iodine Chemistry. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-33733-3.

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Wirth, Thomas, ed. Hypervalent Iodine Chemistry. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-46114-0.

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Andrews, Ian Philip. Hypervalent iodine oxidations of substituted pyridines. University of East Anglia, 1992.

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McLaren, Lee. Synthetic applications of hypervalent iodine reagents: Total synthesis of aranorosin. Universityof East Anglia, 1994.

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Koyuncu, Demet. Functional group oxidations using sodium perborate and hypervalent iodine reagents. Universityof East Anglia, 1992.

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Wirth, Thomas. Hypervalent Iodine Chemistry. Springer, 2016.

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Wirth, Thomas. Hypervalent Iodine Chemistry. Springer International Publishing AG, 2018.

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Wirth, Thomas. Hypervalent Iodine Chemistry. Springer London, Limited, 2016.

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10

Katritzky, Alan R., O. Meth-Cohn, A. Varvoglis, and C. S. Rees. Hypervalent Iodine in Organic Synthesis. Elsevier Science & Technology Books, 1996.

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Capítulos de libros sobre el tema "Iodure hypervalent"

1

Dohi, Toshifumi, and Yasuyuki Kita. "Hypervalent Iodine." In Iodine Chemistry and Applications. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118909911.ch7.

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Kumar, Ravi, and Thomas Wirth. "Asymmetric Synthesis with Hypervalent Iodine Reagents." In Hypervalent Iodine Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/128_2015_639.

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Murarka, Sandip, and Andrey P. Antonchick. "Oxidative Heterocycle Formation Using Hypervalent Iodine(III) Reagents." In Hypervalent Iodine Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/128_2015_647.

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Maertens, Gaëtan, and Sylvain Canesi. "Rearrangements Induced by Hypervalent Iodine." In Hypervalent Iodine Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/128_2015_657.

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Früh, Natalja, Julie Charpentier, and Antonio Togni. "Iodanes as Trifluoromethylation Reagents." In Hypervalent Iodine Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/128_2015_658.

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Waser, Jerome. "Alkynylation with Hypervalent Iodine Reagents." In Hypervalent Iodine Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/128_2015_660.

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Olofsson, Berit. "Arylation with Diaryliodonium Salts." In Hypervalent Iodine Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/128_2015_661.

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Muñiz, Kilian. "Aminations with Hypervalent Iodine." In Hypervalent Iodine Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/128_2015_663.

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Protasiewicz, John D. "Organoiodine(III) Reagents as Active Participants and Ligands in Transition Metal-Catalyzed Reactions: Iodosylarenes and (Imino)iodoarenes." In Hypervalent Iodine Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/128_2015_664.

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Quideau, Stéphane, Laurent Pouységu, Philippe A. Peixoto, and Denis Deffieux. "Phenol Dearomatization with Hypervalent Iodine Reagents." In Hypervalent Iodine Chemistry. Springer International Publishing, 2016. http://dx.doi.org/10.1007/128_2015_665.

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Actas de conferencias sobre el tema "Iodure hypervalent"

1

Moriarty, Robert M., Jaffar S. Khosrowshahi, and Tomasz Dalecki. "Hypervalent Iodine Iodinative Decarboxylation Of Cubyl And Homocubyl Carboxylic Acids." In 1988 Los Angeles Symposium--O-E/LASE '88, edited by Joseph Flanagan. SPIE, 1988. http://dx.doi.org/10.1117/12.943749.

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Utaka, Aline, Lívia N. Cavalcanti, and Luiz F. Silva Jr. "Electrophilic alkynylation of ketones using hypervalent iodine reagent: a new approach to quaternary carbon formation." In 15th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_201391510568.

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Dávila Rodríguez, Izaskun. "Searching for new applications of the hypervalent iodine reagents in the construction of nitrogen containing compounds." In MOL2NET 2016, International Conference on Multidisciplinary Sciences, 2nd edition. MDPI, 2016. http://dx.doi.org/10.3390/mol2net-02-h007.

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