Academic literature on the topic 'Organoboran compounds'
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Journal articles on the topic "Organoboran compounds"
Brown, Charles, R. Harry Cragg, Tim J. Miller, and David O'N Smith. "Organoboron compounds." Journal of Organometallic Chemistry 342, no. 2 (March 1988): 153–57. http://dx.doi.org/10.1016/s0022-328x(00)99452-x.
Full textCragg, R. Harry, and Manije Nazery. "Organoboron compounds." Journal of Organometallic Chemistry 303, no. 3 (April 1986): 329–35. http://dx.doi.org/10.1016/0022-328x(86)82034-4.
Full textBubnov, Yu N., A. I. Grandberg, M. Sh Grigorian, V. G. Kiselev, M. I. Struchkova, and B. M. Mikhailov. "Organoboron compounds." Journal of Organometallic Chemistry 292, no. 1-2 (September 1985): 93–104. http://dx.doi.org/10.1016/0022-328x(85)87325-3.
Full textCragg, R. Harry, and Tim J. Miller. "Organoboron compounds." Journal of Organometallic Chemistry 294, no. 1 (October 1985): 1–6. http://dx.doi.org/10.1016/0022-328x(85)88048-7.
Full textCragg, R. Harry, Tim J. Miller, and David O'N Smith. "Organoboron compounds." Journal of Organometallic Chemistry 302, no. 1 (March 1986): 19–21. http://dx.doi.org/10.1016/0022-328x(86)80058-4.
Full textCragg, R. Harry, Tim J. Miller, and David O'N Smith. "Organoboron compounds." Journal of Organometallic Chemistry 291, no. 3 (August 1985): 273–75. http://dx.doi.org/10.1016/0022-328x(85)80179-0.
Full textBoldyreva, O. G., V. A. Dorokhov, and B. M. Mikhailov. "Organoboron compounds." Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 34, no. 2 (February 1985): 390–92. http://dx.doi.org/10.1007/bf00951292.
Full textDorokhov, V. A., O. G. Boldyreva, B. M. Mikhailov, Z. A. Starikova, and I. A. Teslya. "Organoboron compounds." Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 34, no. 2 (February 1985): 393–97. http://dx.doi.org/10.1007/bf00951293.
Full textWang, Jianbo. "When diazo compounds meet with organoboron compounds." Pure and Applied Chemistry 90, no. 4 (March 28, 2018): 617–23. http://dx.doi.org/10.1515/pac-2017-0713.
Full textValencia López, Luis Alexandro, Francisco Javier Enríquez-Medrano, Ricardo Mendoza Carrizales, Florentino Soriano Corral, Adali Castañeda Facio, and Ramón Enrique Díaz de León Gómez. "Influence of Organoboron Compounds on Ethylene Polymerization Using Cp2ZrCl2/MAO as Catalyst System." International Journal of Polymer Science 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/519203.
Full textDissertations / Theses on the topic "Organoboran compounds"
La, Cascia Enrico. "Selective polyfunctional synthesis through organoboron compounds." Doctoral thesis, Universitat Rovira i Virgili, 2016. http://hdl.handle.net/10803/398028.
Full textLa primera parte de esta tesis cubre el tema de la b-boración de iminas α,β-insaturadas para la síntesis de γ-amino alcoholes. Se describe un nuevo método basado en la organocatalisis, evitando la ultilización de metales de transición como catalizadores. En este caso el reactivo bis(pinacolato)diboron se activa con una base y MeOH generando in situ un boro nucleófilo que interacciona con el doble enlace de iminas α,β-insaturadas, como sustrato aceptor. La ultilización de fosfina es necesaria para activar el sustrato. Cuando la fosfina es (S)-MeBoPhoz la β-boración se produce de forma enantioselectiva con excesos enantiomericos hasta 70%. Una mayor diastereoselectividad se obtiene despues de la reducción y oxidación para la formación del compuesto deseado γ-amino alcohol. De manera interesante, se debe decir que en presencia de catalidores de Cu, la utilización de esta misma fosfina como ligando, la enenatioselectividad bajó hasta valores moderados. Se ha tratado de utilizar esta misma via de síntesis para la preparación de un compuesto bioactivo como el Tramadol. El capítulo 3, trata de esta síntesis y a pesar de que muchos sistemas catalíticos se han considerado, ninguno ha dado un producto final deseado. La última parte de esta tesis trata de la inserción de un sistema diazo, tal como (trimetilsilil)diazometano), para generar compuestos gem-diboranos. El tratamiento de los compuestos gem-diboranos con bases litiadas, tales como LiTMP, generaron un carbanion estabilizado el cual puede atacar compuestos carbonílicos como cetonas para dar lugar a la B-O eliminacion via Peterson, y dar lugar a las olefinas gem-sililboranos. Posterior funcionalización, via Suzuki-Miyaura cross-coupling, has sido demostrada en esta tesis. Incluso más innovador ha resultado el proceso de iododesililación, permitiendo la síntesis de olefinas tetrasustituidas despues de dos acoplamientos cruzados selectivos. Se ha podido concluir la tesis con la preparación de (E)-Tamoxifen con elevados valores de selectividad ( E/Z = 90:10).
The first part covered the topic of the β-boration reaction towards the synthesis of γ-amino alcohols. A new metal-free approach to the β-borylation of α,β-unsaturated imines generated in situ has been reported. In this case the diboron compound, bis(pinacolato)diboron, is activated by a base/MeOH system which generates a nucleophilic boron moiety that can interact with a α,β-unsaturated acceptor (imine). This latter is activated by a catalytic amount of phosphine. When a chiral phosphine such as (S)-MeBoPhoz is used, the β-borylation can be performed in an enantioselective manner with ee values up to 70%. After a high diasteroselective protocol of reduction and oxidation we could provide the desired γ-amino alcohol. Interestingly, when a copper salt is modified with the (S)-MeBoPhoz ligand the enantioselectivities dropped showing generally lower values of ee than the organocatalytic approach. It has been tried to apply this chemistry to the synthesis of bioactive compounds such as Tramadol This part of the manuscript covered the attempts that were made to achieve the total synthesis. Many catalytic systems have been tried but unfortunately, none of them had positive results. The last part of the thesis is based on the insertion of a diazocompound, such as (trimethylsilyl)diazomethane), to generate the gem-diboron compound 18. The treatment of compound 18 with a lithiated base, such as LiTMP, generated a stabilized carbanion which can attack carbonyl compounds like ketones to afford, after a Peterson-type B-O elimination, a gem-silylboron olefin. We demonstrated that further functionalizations, suck as Suzuki-Miyaura cross-coupling, could be performed. Even the more challenging iododesilylation was successfully allowing the synthesis of tetrasubstituted olefins after two consecutive cross-couplings. Towards this aim, the synthesis of (E)-Tamoxifen was achieved with high values of selectivity (ratio E/Z = 90:10).
Miralles, Prat Núria. "Catalytic access to (poly)borylated compounds by coupling unsaturated substrates and diboron or methyldiboron reagents." Doctoral thesis, Universitat Rovira i Virgili, 2018. http://hdl.handle.net/10803/462916.
Full textEsta tesis trata sobre el uso de agentes diboranos y gem-diborilalcanos en catálisis para introducir uno o más fragmentos borilos a sustratos insaturados. Con este fin, se han utilizado diferentes reacciones de borilación en condiciones organocatalíticas, activando el agente diborano con un alcóxido formado in situ por la combinación de metanol y base. Éste es el caso de la sustitución arílica de sales de iodo hipervalente, donde aún en ausencia de base la reacción tiene lugar debido a la participación del contraión. La diboración de alquenos es otro ejemplo de organocatálisis pero con la incorporación de un reactivo diborano no simétrico como es el BpinBdan, dando lugar a productos 1,2-diborados mixtos, siendo las dos unidades boriles de distinta naturaleza. Finalmente, también se ha trabajado la reacción de sustitución alílica en dos formatos: la organocatalítica, que aplicada en alcoholes alílicos y propargílicos utilizando el B2pin2 como agente de boración, genera compuestos alilboronados y forzando las condiciones de reacción, se han obtenido también compuestos triborados. En el otro formato catalizado por cobre, el cual potencia la nucleofília del boro, se ha hecho uso tanto del reactivo 1,1-diborilmetano como del B2pin2 para adicionar a carbonatos vinil cíclicos proporcionando productos homoalílicos y alílicos borados, respectivamente. También se ha estudiado la borilación de haluros arílicos impedidos estericamente mediante catalizadores de Pd, y se ha explorado la molécula objeto por vías de caracterización no convencional como el AFM. En todos los casos, se han obtenido moléculas organoboradas de gran interés científico debido a la versatilidad del enlace carbono-boro, como se ha ejemplificado también en esta tesis.
This thesis is about the use of diboron and gem-diborylalkane reagents in catalysis in order to introduce one or more boryl fragments to unsaturated substrates. For that reason, different borylation reactions have been employed in organocatalytic conditions, activating the borane reagent with an alkoxide formed in situ by the combination of methanol and base. This is the case of aryl substitution of hypervalent iodionium salts, in which even in the absence of base the reaction takes place due to the participation of counterion. The diboration of alkenes is another example of organocatalysis but with incorporation of a non-symmetrical diboron reagent such as BpinBdan, providing 1,2-diborated products with two different boryl units. Finally, it has been also explored the allylic substitution reaction in two manners: the organocatalytic, that applied to allylic and propargylic alcohols using B2pin2 as diboron reagent generates allylboronate compounds and, using harsher reaction conditions, it could be also obtained triborated compounds. In the other approach a copper catalyst was used to increase the nucleophilic character of boron atom, and employing both 1,1-diborylmethane and B2pin2 reagents to be added to vinyl cyclic carbonates afforded homoallyl and allyl boronate products, respectively. It has been also studied the borylation of sterically encumbered aryl halides through Pd catalysts, and the object molecule has been analyzed by non-conventional characterization methods, such as AFM. In all cases, it has been obtained organoborated molecules with high scientific interest due to the versatility of carbon-boron bond, as it has also been exemplified in this thesis.
Hood, David Kent. "The Investigation of Organoboron Compounds and Organoboron/Nitrone Reactions." W&M ScholarWorks, 1991. https://scholarworks.wm.edu/etd/1539625664.
Full textMolloy, John James. "Chemoselective reactions of organoboron compounds." Thesis, University of Strathclyde, 2018. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=29485.
Full textKim, Byeongmoon 1957. "Asymmetric organic synthesis using organoboron compounds." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14679.
Full textHan, Bo. "Deuteriohalogenation of norbornene via organoborane /." Online version of thesis, 1991. http://hdl.handle.net/1850/11307.
Full textMeng, Yan. "Synthesis of organoboron compounds by difunctionalization of alkenes:." Thesis, Boston College, 2020. http://hdl.handle.net/2345/bc-ir:109010.
Full textThis dissertation details two different alkene difunctionalization strategies that are utilized in the synthesis of three types of organoboron species in racemic and enantioenriched fashion. Chapter one will introduce the carbohydrate and DBU co-catalyzed transition-metal-free enantioselective diboration reactions of unactivated alkenes. Mechanistic insights guided reaction condition design will be discussed. In chapter two, a nickel-catalyzed conjunctive cross-coupling of 9-BBN borane and carboxylic acid derivatives is presented. Its development and detailed mechanistic studies, along with the efforts in asymmetric induction will be covered. Finally, the first enantio- and diastereoselective synthesis of 1,2-anti-silylboronates enabled by palladium-catalyzed conjunctive cross-coupling will be described. The optimization of chemo-, enantio- and diastereoselectivity in the reactions and their following transformations (e.g. oxidation and amination) is demonstrated
Thesis (PhD) — Boston College, 2020
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Chemistry
Eberlin, Ludovic Jean Adolphe. "Novel applications of polyfunctionalised organoboron and nitroso compounds." Thesis, Durham University, 2016. http://etheses.dur.ac.uk/11447/.
Full textEberlin, Ludovic. "Novel applications of polyfunctionalised organoboron and nitroso compounds." Thesis, Rennes 1, 2016. http://www.theses.fr/2016REN1S078/document.
Full textThis thesis presents the reactivity of dienylboronated compounds towards arylnitroso and carbonylnitroso derivatives and its use in the synthesis of heterocyclic and polycyclics compounds. The first study focused on the reactivity of dienylboronate compounds with arylnitroso derivatives resulting in pyrrole or furan products. The outcome and efficiency of the reaction is related to the boron on the dienyl moiety and the solvent used. Using the certain conditions, pyrroles, boronated MIDA ester oxazines or nitrones could be obtained. A one-pot strategy was then applied to synthesise oxazoline derivatives using nitrones as an intermediate. Theoretical, as well as experimental, work has supported that the formation of the pyrrole was obtained by a regioselective nitroso Diels-Alder reaction/rearrangement/borate elimination cascade process. Details on the nitrone formation have not been clarified, but further investigations are on-going. Secondly, attention was focused on the reactivity of dienylboronate compounds with carbonylnitroso derivatives. Contrary to the arylnitroso species, the nature of the carbonylnitroso had a dramatic impact on reactivity. On the one hand, similar reactivity towards the formation of pyrroles and boronated MIDA ester oxazines was observed, however, by employing a higher electron-deficient carbonylnitroso species, the product resulting from a nitroso-ene reaction was obtained. Ene-product was used as the key intermediate for the synthesis of different polycyclic compounds. A multicomponent, one-pot, Diels-Alder/allylboration procedure was optimised to yield various structures depending on the nature of the dienophile and the aldehyde. To diversify the chemistry of the ene-product another sequence was designed using the pyrrole synthesis. A multi-step pathway was optimised to afford novel fused bicylic oxazine-pyrrole products
Chierchia, Matteo Paolo. "Metal-Catalyzed Enantioselective Dicarbofunctionalization of Alkenylboron Compounds:." Thesis, Boston College, 2019. http://hdl.handle.net/2345/bc-ir:108653.
Full textThis dissertation will discuss the development of three methodologies for the enantioselective synthesis of organoboron compounds. The first chapter will discuss the initial discovery and development of a palladium-catalyzed reaction that enables the combination of an organolithium, an organoboronic ester and C(sp2)-OTf electrophiles in an enantioselective fashion. This conjunctive cross-coupling takes place through a 1,2-metallate shift which is induced from an alkenylboron ‘ate’ species through interaction with the palladium catalyst. The second chapter of this manuscript will discuss the development of the first nickel-catalyzed version of the conjunctive cross- coupling reaction, which operates enantioselectively with in situ generated 9-BBN boranes. The third and last chapter will discuss the development of complementary method to the conjunctive cross-coupling which enables the enantioselective addition of organozinc reagents and alkyl halides across alkenylboronic esters. This system departs from the metal-induced 1,2-metallate shift mode of reactivity in favor of a Ni- catalyzed radical/addition cross-coupling cascade reaction. This process can be operated in both an inter- and intra-molecular fashion to afford enantiomerically-enriched alkylboronic ester compounds
Thesis (PhD) — Boston College, 2019
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Chemistry
Books on the topic "Organoboran compounds"
Mennekes, Theodor. Zur Reduktion von Dihalogenorganylboranen mit Alkalimetallen. Aachen: Verlag Shaker, 1992.
Find full textFernández, Elena, and Andrew Whiting, eds. Synthesis and Application of Organoboron Compounds. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13054-5.
Full textKubota, Koji. Synthesis of Functionalized Organoboron Compounds Through Copper(I) Catalysis. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4935-4.
Full textOrganic synthesis: The roles of boron and silicon. Oxford [England]: Oxford University Press, 1991.
Find full textOtrzymywanie i niektóre reakcje chemiczne tetraalkilodiboroksanów. Warszawa: Wydawnictwa Politechniki Warszawskiej, 1989.
Find full textSporzyński, Andrzej. Właściwości i niektóre reakcje chemiczne trialkilo- i triaryloboroksynów. Warszawa: Wydawnictwa Politechniki Warszawskiej, 1993.
Find full textWeinig, Peter. Chirale Organoborreagenzien als Katalysatoren für enantioselektive C-C-Verknüpfungen. Prien am Chiemsee: Intemann, 1989.
Find full textGrenʹ, A. I. Khimii͡a︡ t͡s︡iklicheskikh ėfirov bornykh kislot. Kiev: Nauk. dumka, 1988.
Find full textBook chapters on the topic "Organoboran compounds"
Miyaura, Norio. "Organoboron Compounds." In Topics in Current Chemistry, 11–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45313-x_2.
Full textPetasis, Nicos A. "Multicomponent Reactions with Organoboron Compounds." In Multicomponent Reactions, 199–223. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527605118.ch7.
Full textMarqués-López, Eugenia, and Raquel P. Herrera. "Multicomponent Reactions with Organoboron Compounds." In Multicomponent Reactions, 127–48. Hoboken, NJ: John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781118863992.ch4.
Full textSuresh, D., and Pedro T. Gomes. "Advances in Luminescent Tetracoordinate Organoboron Compounds." In Advances in Organometallic Chemistry and Catalysis, 485–92. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118742952.ch36.
Full textIshida, Naoki, and Masahiro Murakami. "Reactions of Alkynylboron Compounds." In Synthesis and Application of Organoboron Compounds, 93–116. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13054-5_4.
Full textVerma, Astha, and Webster L. Santos. "Copper-Catalyzed Coupling Reactions of Organoboron Compounds." In Boron Reagents in Synthesis, 313–56. Washington, DC: American Chemical Society, 2016. http://dx.doi.org/10.1021/bk-2016-1236.ch010.
Full textBrown, Herbert C., Prabhakar K. Jadhav, and Bakthan Singram. "Enantiomerically Pure Compounds via Chiral Organoboranes." In Modern Synthetic Methods, 307–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82805-8_6.
Full textYamashita, Makoto, and Kyoko Nozaki. "Boryl Anions." In Synthesis and Application of Organoboron Compounds, 1–37. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13054-5_1.
Full textJäkle, Frieder. "Recent Advances in the Synthesis and Applications of Organoborane Polymers." In Synthesis and Application of Organoboron Compounds, 297–325. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13054-5_10.
Full textIngleson, Michael J. "Fundamental and Applied Properties of Borocations." In Synthesis and Application of Organoboron Compounds, 39–71. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13054-5_2.
Full textConference papers on the topic "Organoboran compounds"
Brondani, Patrícia B., Gonzalo de Gonzalo, Marco W. Fraaije, and Leandro H. Andrade. "Selective oxidations of organoboron compounds catalyzed by Baeyer-Villiger monooxygenases." In 14th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0097-2.
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