Academic literature on the topic 'Selective oligomerization'
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Journal articles on the topic "Selective oligomerization"
Sydora, Orson L. "Selective Ethylene Oligomerization." Organometallics 38, no. 5 (February 18, 2019): 997–1010. http://dx.doi.org/10.1021/acs.organomet.8b00799.
Full textSchumacher, Christoph, Hubert Wang, Christian Honer, Wei Ding, James Koehn, Quentin Lawrence, Christopher M. Coulis, et al. "The SCAN Domain Mediates Selective Oligomerization." Journal of Biological Chemistry 275, no. 22 (March 21, 2000): 17173–79. http://dx.doi.org/10.1074/jbc.m000119200.
Full textBarrault, J., J. M. Clacens, and Y. Pouilloux. "Selective Oligomerization of Glycerol Over Mesoporous Catalysts." Topics in Catalysis 27, no. 1-4 (February 2004): 137–42. http://dx.doi.org/10.1023/b:toca.0000013548.16699.1c.
Full textMukherjee, Soumen, Binita A. Patel, and Sumit Bhaduri. "Selective Ethylene Oligomerization with Nickel Oxime Complexes§." Organometallics 28, no. 10 (May 25, 2009): 3074–78. http://dx.doi.org/10.1021/om900080h.
Full textThalody, Betty, and Gregory G. Warr. "The Selective Binding of Anions to Gemini and Trimeric Surfactants at Air/Solution Interfaces." Australian Journal of Chemistry 57, no. 3 (2004): 193. http://dx.doi.org/10.1071/ch03300.
Full textYu, Lanlan, Wenbo Zhang, Wendi Luo, Robert L. Dupont, Yang Xu, Yibing Wang, Bin Tu, et al. "Molecular recognition of human islet amyloid polypeptide assembly by selective oligomerization of thioflavin T." Science Advances 6, no. 32 (August 2020): eabc1449. http://dx.doi.org/10.1126/sciadv.abc1449.
Full textPAIK, Seung R., Hyun-Ju SHIN, Ju-Hyun LEE, Chung-Soon CHANG, and Jongsun KIM. "Copper(II)-induced self-oligomerization of α-synuclein." Biochemical Journal 340, no. 3 (June 8, 1999): 821–28. http://dx.doi.org/10.1042/bj3400821.
Full textBekmukhamedov, Giyjaz E., Aleksandr V. Sukhov, Aidar M. Kuchkaev, and Dmitry G. Yakhvarov. "Ni-Based Complexes in Selective Ethylene Oligomerization Processes." Catalysts 10, no. 5 (May 1, 2020): 498. http://dx.doi.org/10.3390/catal10050498.
Full textSchroeder, F. C., S. R. Smedley, L. K. Gibbons, J. J. Farmer, A. B. Attygalle, T. Eisner, and J. Meinwald. "Polyazamacrolides from ladybird beetles: Ring-size selective oligomerization." Proceedings of the National Academy of Sciences 95, no. 23 (November 10, 1998): 13387–91. http://dx.doi.org/10.1073/pnas.95.23.13387.
Full textPark, Dong Ho, Seong-Su Kim, Thomas J. Pinnavaia, Francisco Tzompantzi, Julia Prince, and Jaime S. Valente. "Selective Isobutene Oligomerization by Mesoporous MSU-SBEA Catalysts." Journal of Physical Chemistry C 115, no. 13 (March 11, 2011): 5809–16. http://dx.doi.org/10.1021/jp111642b.
Full textDissertations / Theses on the topic "Selective oligomerization"
Metzger, Eric Daniel. "The selective oligomerization of ethylene with metal-organic frameworks." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/118271.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 195-207).
The benefits of heterogeneous catalysis for industry and the society at large cannot be overstated, with approximately 90% of all industrial catalysis being performed with heterogeneous catalysts. Despite the undeniable operational advantages of heterogeneous catalysts, several large volume industrial processes involved in the production of commodity chemicals remain impenetrable to solid catalysts. Among them are the selective dimerization of ethylene and the selective trimerization of ethylene, which require fine steric and electronic tuning to optimize the production of the desired olefin. In this thesis, I describe the development of new heterogeneous catalysts to address the lack of activity and selectivity found among heterogeneous catalysts for selective ethylene oligomerizations, with an emphasis on developing new metal-organic framework (MOF) catalysts for the selective dimerization of ethylene to 1-butene. The ability to tune the catalytically active site of a solid at the molecular level places MOFs in prime position to answer challenges in heterogeneous catalysis that no other class of solids has been able to address. Chapter 2 of this thesis describes the development of Ni-MFU-4/, a nickel-substituted MOF with excellent activity and selectivity for the dimerization of ethylene to 1-butene. Although the active sites in the MOF are designed to mimic homogeneous Nitrispyrazolylborate dimerization catalysts, the selectivity observed for the solid catalyst is considerably higher than that of the homogeneous system, highlighting the importance of active site isolation in the porous solid. Chapter 3 details a combination of studies utilizing isotopic labeling and mechanistic probes to demonstrate that Ni-MFU-4/ dimerizes ethylene via the Cossee-Arlman mechanism. Chapter 4 reports the preparation of Ni-CFA-1, a related heterogeneous ethylene dimerization catalyst that is far more synthetically accessible than Ni- MFU-4/. Lastly, chapter 5 relays initial results towards the development of MOF-based ethylene trimerization catalysts.
by Eric Daniel Metzger.
Ph. D. in Inorganic Chemistry
Shaikh, Yacoob. "Towards Selective Ethylene Tetramerization." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23161.
Full textPalmer, Ryan D. (Ryan Dee). "Mass transport in metal-organic frameworks as a limiting step in size-selective oligomerization." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/103507.
Full textCataloged from PDF version of thesis.
Includes bibliographical references.
Metal organic frameworks (MOFs) are a relatively new class of crystalline, porous materials at the interface of organic and inorganic chemistry that have been applied in gas absorption and storage systems, thin-film devices, and heterogeneous catalysts. While numerous examples of size-exclusive catalysis have been reported, to our knowledge no reports of size-selective oligomerization catalysis have been reported to date. Herein, chemically stable Zr based MOFs, namely UiO-67 and PCN-777, are investigated as possible candidates to promote size-selective oligomerization catalysis. Using acylated propylene-glycol methyl ethers as model substrates, the mass transport properties of these materials was investigated. Unfortunately, slow mass transport of solvated substrates through pores assumed to be sufficiently large for facile diffusion may prevent MOFs from serving as suitable scaffolds. Indeed, pore apertures large enough for quick diffusion rates may require pore volumes too large to allow reasonable size-selectivity.
by Ryan D. Palmer.
S.M.
Thapa, Indira. "The Challenge of Selectivity in Ethylene Oligomerization: Ligand Design and Metal Valence States." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23188.
Full textTouma, Marwan. "Nouvelles reactions d'oligomerisation et de telomerisation selectives catalysees par des complexes cationiques du palladium." Toulouse 3, 1986. http://www.theses.fr/1986TOU30139.
Full textDe, Souza Roberto Fernando. "Etude des reactions d'oligomerisation, isomerisation et polymerisation de substrats insatures catalysees par des complexes allyle cationiques du nickel." Toulouse 3, 1987. http://www.theses.fr/1987TOU30152.
Full textCai, Feng Xian. "Influence du coordinat triéthylphosphine sur la réactivité des ions Ni+ supportés dans la réactivité d'oligomérisation de l'éthylène." Paris 6, 1986. http://www.theses.fr/1986PA066077.
Full textTeixeira, Bruno Miguel Queirós Rola. "Modeling of oligomerization in C3-cut selective hydrogenation." Dissertação, 2018. https://repositorio-aberto.up.pt/handle/10216/116553.
Full textRreza, Iva. "Development of Tantalum Phenoxy-Imine Compounds for Selective Ethylene Oligomerization." Thesis, 2014. https://thesis.library.caltech.edu/8486/1/Senior%20Thesis%20Final%20Report_Iva%20Rreza.pdf.
Full textElowe, Paul Richard. "The Selective Oligomerization of Ethylene Using Chromium Diphosphine Catalysts and the Synthesis and Reactivity of Group 7 Carbonyl Derivatives Relevant to Synthesis Gas Conversion." Thesis, 2009. https://thesis.library.caltech.edu/5240/1/1_Title.pdf.
Full textThe work presented in this thesis explores two distinct fields of organometallic chemistry with a common goal of selectively transforming cheap and abundant feedstocks to value-added chemicals using homogeneous catalysts.
Chapter 1 presents the synthesis and characterization of a series of bis(diphenylphosphino)amine ligands and their corresponding chromium(III) trichloride complexes. The isolated chromium complexes are precursors to highly active catalysts for the selective oligomerization of ethylene to 1-hexene and 1-octene. The unique feature of the ligands presented herein is the presence of coordinating functionalities tethered to the nitrogen backbone. These act as hemilabile donors, which stabilize the active species and/or transition states during catalysis. This increased stability leads to more productive catalysts. Furthermore, important solvent and additive effects have been investigated. While reactions in non-polar solvents exhibit poor activity at lower ethylene pressures, those in more polar solvents are highly active and generate very little undesired polymer. Varying the solvent has a significant impact on 1-hexene/1-octene selectivity as well. Experiments with potentially coordinating additives result in a higher tendency for 1-octene formation. An investigation of catalyst decomposition is also discussed.
Chapter 2 presents synthetic, structural and reactivity studies on a series of Group 7 carbonyl derivatives relevant to synthesis gas conversion. Reduction of the carbonyl precursors with a hydride source generates the corresponding formyl species. This reaction is facilitated when more electrophilic carbonyl complexes are employed. Neutral and cationic Fischer carbene complexes were prepared by the reaction of the formyl species with boranes and alkyltriflates, respectively. Further reduction of Group 7 methoxycarbenes with a hydride leads to the formation of a reactive methoxymethyl species. Dimethyl ether release is obtained from treatment of a manganese methoxymethyl species with a hydride. Moreover, subjecting manganese methoxymethyl complexes to an atmosphere of CO generates acyl complexes via migratory insertion. Preliminary mechanistic details are presented.
Book chapters on the topic "Selective oligomerization"
"Polymerization and Selective Oligomerization of Alkenes." In Homogeneous Catalysis, 167–200. Hoboken, NJ: John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118872369.ch6.
Full textBaronetti, G. T., E. J. Lazzari, A. A. Castro, and O. A. Scelza. "Behavior of Metallic Oxides Suported On Li/MgO In The Methane Oligomerization." In New Developments in Selective Oxidation, 373–80. Elsevier, 1990. http://dx.doi.org/10.1016/s0167-2991(08)60169-x.
Full textInui, T., and J. B. Kim. "High quality gasoline synthesis by selective oligomerization of light olefins and successive hydrogenation." In catalysts in Petroleum Refining and Petrochemical Industries 1995, Proceedings of the 2nd International Conference on Catalysts in Petroleum refining and Petrochemical Industries, 489–98. Elsevier, 1996. http://dx.doi.org/10.1016/s0167-2991(96)80049-8.
Full textYork, Andrew P. E., John B. Claridge, Malcolm L. H. Green, and Shik Chi Tsang. "A Study of the Catalytic Oxidative Oligomerization of Methane to Aromatics." In New Developments in Selective Oxidation II, Proceedings of the Second World Congress and Fourth European Workshop Meeting, 315–26. Elsevier, 1994. http://dx.doi.org/10.1016/s0167-2991(08)63423-0.
Full textConference papers on the topic "Selective oligomerization"
Len, Christophe, Remi Nguyen, and Nicolas Galy. "Microwave-Assisted Continuous Flow for the Selective Oligomerization of Glycerol." In 1st International Electronic Conference on Catalysis Sciences. Basel, Switzerland: MDPI, 2020. http://dx.doi.org/10.3390/eccs2020-07519.
Full textBolotov, Vasiliy Alexandrovich, Serguei Fedorovich Tikhov, Konstantin Radikovich Valeev, Vladimir Timurovich Shamirzaev, and Valentin Nikolaevich Parmon. "SELECTIVE FORMATION OF LINEAR ALPHA-OLEFINS VIA MICROWAVE CATALYTIC CRACKING OF LIQUID STRAIGHT-CHAIN ALKANES." In Ampere 2019. Valencia: Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9894.
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