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Relevant bibliographies by topics / Dimères de rhodium (II)

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Academic literature on the topic 'Dimères de rhodium (II)'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "Dimères de rhodium (II)"

1

Marot, L., R. Schoch, R. Steiner, V. Thommen, D. Mathys, and E. Meyer. "Rhodium and silicon system: II. Rhodium silicide formation." Nanotechnology 21, no. 36 (August 12, 2010): 365707. http://dx.doi.org/10.1088/0957-4484/21/36/365707.

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Brunner, Henri. "Enantioselective Rhodium(II) Catalysts." Angewandte Chemie International Edition in English 31, no. 9 (September 1992): 1183–85. http://dx.doi.org/10.1002/anie.199211831.

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Brunner, Henri. "Enantioselektive Rhodium(II)-Katalysatoren." Angewandte Chemie 104, no. 9 (September 1992): 1208–10. http://dx.doi.org/10.1002/ange.19921040909.

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Bakac, Andreja. "Aqueous rhodium(iii) hydrides and mononuclear rhodium(ii) complexes." Dalton Transactions, no. 13 (2006): 1589. http://dx.doi.org/10.1039/b518230a.

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Zhang, Nan, Di Zhu, David E. Herbert, Nicolaas P. van Leest, Bas de Bruin, and Peter H. M. Budzelaar. "Reactivity of Rhodium(II) amido/Rhodium(I) aminyl complexes." Inorganica Chimica Acta 482 (October 2018): 709–16. http://dx.doi.org/10.1016/j.ica.2018.06.015.

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Cooke, Michael W., Garry S. Hanan, Frédérique Loiseau, Sebastiano Campagna, Masashi Watanabe, and Yasutaka Tanaka. "The Structural and Functional Roles of Rhodium(II)-Rhodium(II) Dimers in Multinuclear Ruthenium(II) Complexes." Angewandte Chemie International Edition 44, no. 31 (August 5, 2005): 4881–84. http://dx.doi.org/10.1002/anie.200500392.

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Cooke, Michael W., Garry S. Hanan, Frédérique Loiseau, Sebastiano Campagna, Masashi Watanabe, and Yasutaka Tanaka. "The Structural and Functional Roles of Rhodium(II)-Rhodium(II) Dimers in Multinuclear Ruthenium(II) Complexes." Angewandte Chemie 117, no. 31 (August 5, 2005): 4959–62. http://dx.doi.org/10.1002/ange.200500392.

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Leroy, G., G. Louterman-Leloup, and P. Ruelle. "Contribution à l'étude theorique de la liaison hydrogène II. Les dimères de l'acide sulfhydrique." Bulletin des Sociétés Chimiques Belges 85, no. 4 (September 1, 2010): 219–27. http://dx.doi.org/10.1002/bscb.19760850406.

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Leroy, G., G. Louterman-Leloup, and P. Ruelle. "Contribution à l'étude theorique de la liaison hydrogène II. Les dimères de l'acide sulfhydrique." Bulletin des Sociétés Chimiques Belges 85, no. 4 (September 1, 2010): 229–41. http://dx.doi.org/10.1002/bscb.19760850407.

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Bakac, Andreja, and Leonard M. Thomas. "Macrocyclic Rhodium(III) Hydrides and a Monomeric Rhodium(II) Complex." Inorganic Chemistry 35, no. 20 (January 1996): 5880–84. http://dx.doi.org/10.1021/ic960300a.

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Dissertations / Theses on the topic "Dimères de rhodium (II)"

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Unsworth, W. P. "Rhodium(II) catalysed Oxyamination Reactions." Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.526154.

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Mokrini, Hassan. "Activation et fonctionnalisation d'hydrocarbures saturés et aromatiques catalysés par des complexes du rhodium." Lille 1, 1990. http://www.theses.fr/1990LIL10069.

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Certains alcanes peuvent être fonctionnalisés catalytiquement par le biais du complexe rhcll2 (l=diphosphine chelatée), réduit électrochimiquement à -2v/ag en milieu benzonitrile sans sel de fond, sur cathode de platine, en présence d'une anode d'étain, d'aluminium ou de zinc. Nous avons noté des résultats tout à fait remarquables en terme de conversion de l'alcane et du rendement faradique à la suite d'une réaction d'oxydo-réduction se produisant entre l'anode de zinc et le précurseur catalytique rhcll2, sans qu'il soit nécessaire d'imposer de potentiel de réduction à la solution. Le système ainsi obtenu rhcll2/zn/ccl4 est plus actif que le système électrochimique et montre une sélectivité comparable à celle observée avec les initiateurs chimiques, et un effet isotopique très important. La réaction de transfert d'un cl de ccl4 vers l'alcane s'effectue selon un processus radicalaire. Ce dernier est initié par l'entité rhl2o obtenue à partir de rhcll2 par réduction cathodique, ou chimiquement par la poudre de zinc. Les expériences ont montré que l'espèce rhl2o activait préférentiellement la liaison c-cl par rapport a la liaison c-h. Les aromatiques sont aussi dimérisés catalytiquement par ce même système chimique. Les produits ainsi obtenus sont des dimères ar-ar. Le système rhcll2/zncf3cooh a permis également la dimérisation catalytique de l'éthylbenzène en o. Odiéthyl 1. 1biphényle (nombre de rotation: 4,8), résultat qui a pu être nettement amélioré en présence de ccl4 (nombre de rotation: 47)

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Pascu, Sofia I. "Nickel (II), palladium (II), platinum (II) and rhodium (I) complexes of iminophosphine ligands." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270258.

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4

Sie, Eric-Robert Hian Bing. "Rhodium (II) catalysed reactions of α-diazo phosponates." Thesis, Loughborough University, 1992. https://dspace.lboro.ac.uk/2134/26017.

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The syntheses and reactions of some α-diazo phosphonates are reviewed. The work presented is based on the inter- and intra-molecular reactions of the previously proposed, transient rhodium carbenoid species with nucleophiles. In order to shed some light on the mechanism of the rhodium (11) catalysed insertion reactions of diazo compounds with nucleophiles and consequently to verify the presence of the rhodium carbenoid species or not, studies have been carried out to determine what factors affect the rate of insertion. Thus, the intermolecular rhodium (11) catalysed insertion reactions of a series of diazo compounds in the presence of various alcohols have been investigated. Some novel diazo compounds have been prepared and more efficient, more amenable routes to some known diazo compounds have been developed. It was found that rhodium (11) trifluoroacetamide is a significantly more active catalyst than rhodium (11) acetate, under the test conditions. Two new methods leading to the formation of functionalised cyclic ethers (five-, sixand seven-membered rings) have been developed. Both involve the insertion of an alcohol into an a-diazo phosphonate catalysed by rhodium (11) acetate as the initial step but whereas one method proceeds via an intermolecular Wadsworth-Emmons reaction, the other proceeds via the intramolecular variant of the same reaction. 7/6- and 717-Fused bicyclic ethers have been prepared from 3-oxooxepane 2- phosphonates via the Wadsworth-Emmons reaction. The oxepanes themselves were prepared in good yields by an intramolecular rhodium (11) catalysed O-H insertion reaction of a parent diazo alcohol. The same bicyclic systems could also be accessed by two different routes starting with t-butyl-7-hexyl-3-oxooxepane-2- carboxylate. Various novel synthetic routes leading to the formation of functionalised bicyclic, tricyclic and tetracyclic systems have been investigated. All involve the intramolecular rhodium (11) catalysed O-H insertion reaction of a diazo alcohol as a key cyclisation step.

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Joyce, Lauren Elizabeth. "Ru(II), Os(II), and Rh₂(II,II) Complexes as Potential Photodynamic Therapy Agents." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1291176129.

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Selden, Deborah Anne. "New rhodium(II) catalysts and enantioselective carbonyl ylide cycloadditions." Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418476.

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Beavis, Peter William. "Rhodium(II)-catalysed aziridination of homoallyl- and allyl-carbamates." Thesis, University of Nottingham, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442291.

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Adero, Philip O. "Heterocycle Synthesis via Rhodium (II)-Catalyzed Azido Carbenoid Cyclization." Youngstown State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1348595887.

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9

Grohmann, Markus. "Zweikernige Ruthenium(I,I)- und Rhodium(II,II)-Komplexe als Katalysatoren für Lactam-Synthesen durch intramolekulare carbenoide C-H-Insertion von alpha-Diazoacetamiden." [S.l. : s.n.], 2006. http://nbn-resolving.de/urn:nbn:de:bsz:289-vts-58707.

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10

Bellot, Morgane. "Caractérisation des dimères de récepteurs à l'angiotensine II AT1 et a2C-adrénergiques et conséquences fonctionnelles." Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2185/.

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Les mécanismes de sécrétion de noradrénaline (NA) via les récepteurs de l'angiotensine (AT1) et alpha2-adrénergiques (alpha2A/C-AR) restant méconnus, nous avons émis l'hypothèse de l'implication d'un dimère AT1/alpha2C. Nos résultats montrent que ces deux récepteurs interagissent directement et que la liaison l'angiotensine II (AngII) et de NA stabilisent des conformations différentes du dimère. De plus, dans des conditions mimant l'hypertension artérielle (HTA ; costimulation NA+AngII), le dimère adopte une nouvelle conformation. En utilisant une technique originale permettant de mesurer spécifiquement l'activation des voies de signalisation intracellulaires induite uniquement par le dimère AT1/alpha2C, nous avons mis en évidence que la costimulation induit l'activation par le dimère d'une nouvelle voie de signalisation faisant intervenir la voie Galphas/PKA. Enfin, nous avons étudié la relevance physiologique de cette nouvelle entité in vivo en explorant l'activité du SNA chez la souris par microneurographie. De façon étonnante, la co-injection AngII+NA engendre une augmentation de l'activité du SNS, par rapport à l'injection d'AngII seule suggérant potentiellement un rôle du dimère AT1/alpha2C dans le contrôle de l'activité du SNA. En conclusion, l'ensemble de ces travaux montrent pour la première fois l'existence du dimère AT1/alpha2C et surtout la création d'une nouvelle entité pharmacologique via un dimère. A plus long terme, le dimère AT1/alpha2C pourrait représenter une nouvelle entité pharmacologique qui modulerait de façon originale le tonus sympathique et pourrait constituer une nouvelle cible de médicaments notamment dans le cadre du traitement de l'HTA
Mechanisms of norepinephrine (NE) secretion via angiotensin (AT1) and alpha2-adrenergic (alpha2A/C-AR) receptors remains unknown. So we hypothesized the involvement of a AT1/alpha2C dimer. Our results show that these two receptors are able to interact directly and binding of angiotensin II (Ang II) or NA stabilize different conformations of the dimer. In addition, under conditions mimicking arterial hypertension (HTN; costimulation NA+AngII), AT1/alpha2C dimer adopts a new conformation. Using a new technique allowing a specific measure of intracellular signaling pathways activation only induced by AT1/alpha2C dimer, we demonstrated that costimulation induces a new signaling pathway involving the Galphas / PKA pathway. Finally, we studied the physiological relevance of this new entity in vivo by exploring the SNS activity in mice by microneurography. Surprisingly, co-injection AngII + NA causes an increased SNS activity, compared to the injection of AngII alone, suggesting a role of AT1/alpha2C dimer in the control of controlling SNS activity. In conclusion, all this work show for the first time the existence of the AT1/alpha2C dimer and especially the creation of a new pharmacological entity in HTN condition. In the longer term, AT1/alpha2C dimer may represent a new pharmacological entity that originally modulate the sympathetic tone and may be a new drug target in particular the treatment of HTN

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Books on the topic "Dimères de rhodium (II)"

1

Yong, Kelvin Hin-Yeong. Intramolecular carbenoid insertions: The reactions of [alpha]-diazoketones derived from furanyl, thienyl, benzofuranyl and benzothienyl acetic acids with rhodium (II) acetate. St. Catharines, Ont: Brock University, Dept. of Chemistry, 1998.

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Sie, Eric-Robert Hian Bing. Rhodium (II) catalysed reactions of a-Diazo phosponates. 1992.

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3

Atwood, J. D. Comprehensive Organometallic Chemistry II : Cobalt, Rhodium and Iridium. Pergamon, 1995.

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Book chapters on the topic "Dimères de rhodium (II)"

1

Doyle, Michael P. "Chiral Rhodium(II) Carboxamides." In ACS Symposium Series, 40–57. Washington, DC: American Chemical Society, 1993. http://dx.doi.org/10.1021/bk-1993-0517.ch004.

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Lindsay, Vincent N. G. "Rhodium(II)-Catalyzed Cyclopropanation." In Rhodium Catalysis in Organic Synthesis, 433–48. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527811908.ch15.

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Espino, Christine G., and Justin Du Bois. "Rhodium(II)-Catalyzed Oxidative Amination." In Modern Rhodium-Catalyzed Organic Reactions, 379–416. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604693.ch17.

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Calderazzo, Fausto. "(II) Cobalt, Rhodium, and Iridium." In Inorganic Reactions and Methods, 369–73. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145296.ch249.

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Oberg, Kevin M., and Tomislav Rovis. "Heterocycle Construction via Asymmetric Rhodium-Catalyzed Cycloadditions." In Asymmetric Synthesis II, 303–8. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527652235.ch38.

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Savizky, Ruben M., and David J. Austin. "Rhodium(II)-Catalyzed 1,3-Dipolar Cycloaddition Reactions." In Modern Rhodium-Catalyzed Organic Reactions, 433–54. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604693.ch19.

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De, Nirupam, Donguk Ko, and Eun Jeong Yoo. "Rhodium(II)-Catalyzed 1,3- and 1,5-Dipolar Cycloaddition." In Rhodium Catalysis in Organic Synthesis, 471–86. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527811908.ch17.

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Wilkerson-Hill, Sidney M., and Huw M. L. Davies. "Rhodium(II) Tetracarboxylate-Catalyzed Enantioselective C-H Functionalization Reactions." In Rhodium Catalysis in Organic Synthesis, 341–72. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527811908.ch13.

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Davies, Huw M. L., and Abbas M. Walji. "Rhodium(II)-Stabilized Carbenoids Containing Both Donor and Acceptor Substituents." In Modern Rhodium-Catalyzed Organic Reactions, 301–40. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604693.ch14.

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Taber, Douglass F., and Pramod V. Joshi. "Cyclopentane Construction by Rhodium(II)-Mediated Intramolecular C-H Insertion." In Modern Rhodium-Catalyzed Organic Reactions, 357–77. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604693.ch16.

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Conference papers on the topic "Dimères de rhodium (II)"

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Vohidov, Farrukh, Brian V. Popp, and Zachary T. Ball. "Designing Enzyme-Like Catalysts: A Rhodium(II) Metallopeptide Case Study." In The 24th American Peptide Symposium. Prompt Scientific Publishing, 2015. http://dx.doi.org/10.17952/24aps.2015.024.

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Ghosh, Bankim B., Prokash Chandra Roy, Mita Ghosh, Paritosh Bhattacharya, Rajsekhar Panua, and Prasanta K. Santra. "Control of S.I. Engine Exhaust Emissions Using Non-Precious Catalyst (ZSM-5) Supported Bimetals and Noble Metals as Catalyst." In ASME 2005 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/ices2005-1025.

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Three Way Catalysts (TWC) are extensively used for simultaneous control of three principal automotive pollutants, namely carbon monoxide (CO), Oxides of nitrogen (NOx), and hydrocarbon (HC). Most of works on three way catalytic converter have been carried out with noble metals such as Platinum, Rhodium, and Iridium have been tried individually and in different combinations and proportions. Noble metal catalysts give very good performance of reduction of (NOx), CO and HC in the narrow range of stoichiometric Air Fuel ratio. Noble metals are costly and not abundantly available. These draw backs of the noble metal catalysts have inspired to search for the alternative catalysts, which will perform well over the wide range of A/F ratio and are economical and abundantly available. This paper discusses the processing of ZSM-5 to Cu-Ion- Exchanged ZSM-5, ZSM-5 supported Cu-Pt bimetallic catalyst and Cu-Rh bimetallic catalyst and placing them in a three staged converter to study the reduction efficiencies of exhaust emissions CO, NOx, and HC in a 800 cc Maruti S. I. Engine. The experiments are carried out at 1500 rpm, 17.6 A/F ratio, different catalyst bed temperatures and different engine loads 0%, 17.5%, 35%, 52.5%, and 70% of full load. The results achieved are the maximum reduction of CO 90% at 375 °C NOx 90% at 375 °C and HC 61% at 380 °C. The same engine was also run for Noble metal converter (NMC) (EURO-II) purchased from an authorized Maruti distributor and the maximum reduction achieved were CO 89% at 375° C, NOx 91% at 375° C, and HC 70% at 390° C comparable to Zeolite Catalytic Converter (ZCC).

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