Academic literature on the topic 'Hydroformylation of Alkenes'

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Journal articles on the topic "Hydroformylation of Alkenes"

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Shi, Yukun, Yang Lu, Tongxin Ren, et al. "Rh Particles Supported on Sulfated g-C3N4: A Highly Efficient and Recyclable Heterogeneous Catalyst for Alkene Hydroformylation." Catalysts 10, no. 11 (2020): 1359. http://dx.doi.org/10.3390/catal10111359.

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The hydroformylation of alkenes with CO and H2 to manufacture aldehydes is one of the most large-scale chemical reactions. However, an efficient and recyclable heterogeneous catalyst for alkene hydroformylation is extremely in demand in academia and industry. In this study, a sulfated carbon nitride supported rhodium particle catalyst (Rh/S-g-C3N4) was successfully synthesized via an impregnation-borohydride reduction method and applied in the hydroformylation of alkenes. The catalysts were characterized by XRD, FTIR, SEM, TEM, XPS, and nitrogen adsorption. The influence of the sulfate content
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Prakash, D., B. Pant, and P. Sagar. "Hydroformylation of Terminal Alkenes with in situ Generation of Syngas using Schiff Base Palladium Complex under Microwave and Conventional Heating." Asian Journal of Chemistry 36, no. 6 (2024): 1281–85. http://dx.doi.org/10.14233/ajchem.2024.31390.

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Hydroformylation of alkenes and alkynes without syngas is preferred for obtaining valuable aldehydes with 100% atom economy using widely available components. Regarding selectivity, atom economy and energy efficiency, microwave-promoted catalytic hydroformylation reactions are the substitutes for conventional techniques. This is compatible with an increasing demand for more environmentally friendly industrial processes. In present work, Schiff base palladium complexes were utilized as catalysts for the hydroformylation of terminal alkenes using glyoxylic acid and formaldehyde as sources of CO
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Doyle, MM, WR Jackson, and P. Perlmutter. "The Stereochemistry of Organometallic Compounds. XXXIV. Regioselection in the Hydroformylation of Silylalkenes." Australian Journal of Chemistry 42, no. 11 (1989): 1907. http://dx.doi.org/10.1071/ch9891907.

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The regiochemistry of hydroformylation of alkenes can be controlled by the use of bulky silyl groups attached to the alkene. Use of the t-butyldiphenylsilyl group leads to almost total regiocontrol and the method has been applied to the synthesis of aldols.
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Hood, Drew M., Ryan A. Johnson, Alex E. Carpenter, Jarod M. Younker, David J. Vinyard, and George G. Stanley. "Highly active cationic cobalt(II) hydroformylation catalysts." Science 367, no. 6477 (2020): 542–48. http://dx.doi.org/10.1126/science.aaw7742.

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The cobalt complexes HCo(CO)4 and HCo(CO)3(PR3) were the original industrial catalysts used for the hydroformylation of alkenes through reaction with hydrogen and carbon monoxide to produce aldehydes. More recent and expensive rhodium-phosphine catalysts are hundreds of times more active and operate under considerably lower pressures. Cationic cobalt(II) bisphosphine hydrido-carbonyl catalysts that are far more active than traditional neutral cobalt(I) catalysts and approach rhodium catalysts in activity are reported here. These catalysts have low linear-to-branched (L:B) regioselectivity for
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Yu, Xuetong, Yuxia Ji, Yan Jiang, Rui Lang, Yanxiong Fang, and Botao Qiao. "Recent Development of Single-Atom Catalysis for the Functionalization of Alkenes." Catalysts 13, no. 4 (2023): 730. http://dx.doi.org/10.3390/catal13040730.

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The functionalization of alkenes is one of the most important conversions in synthetic chemistry to prepare numerous fine chemicals. Typical procedures, such as hydrosilylation and hydroformylation, are traditionally catalyzed using homogeneous noble metal complexes, while the highly reactive and stable heterogeneous single-atom catalysts (SACs) now provide alternative approaches to fulfill these conversions by combining the advantages of both homogeneous catalysts and heterogeneous nanoparticle catalysts. In this review, the recent achievement in single-atom catalyzed hydrosilylation and hydr
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Geng, Hui-Qing, Tim Meyer, Robert Franke, and Xiao-Feng Wu. "Copper-catalyzed hydroformylation and hydroxymethylation of styrenes." Chemical Science 12, no. 44 (2021): 14937–43. http://dx.doi.org/10.1039/d1sc05474k.

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Peral, Daniel, Daniel Herrera, Julio Real, Teresa Flor та J. Carles Bayón. "Strong π-acceptor sulfonated phosphines in biphasic rhodium-catalyzed hydroformylation of polar alkenes". Catalysis Science & Technology 6, № 3 (2016): 800–808. http://dx.doi.org/10.1039/c5cy01004g.

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Chevry, M., T. Vanbésien, S. Menuel, E. Monflier, and F. Hapiot. "Tetronics/cyclodextrin-based hydrogels as catalyst-containing media for the hydroformylation of higher olefins." Catalysis Science & Technology 7, no. 1 (2017): 114–23. http://dx.doi.org/10.1039/c6cy02070d.

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Shi, Yukun, Gang Ji, Qiqige Hu, et al. "Highly uniform Rh nanoparticles supported on boron doped g-C3N4 as a highly efficient and recyclable catalyst for heterogeneous hydroformylation of alkenes." New Journal of Chemistry 44, no. 1 (2020): 20–23. http://dx.doi.org/10.1039/c9nj05385a.

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Nandakumar, Avanashiappan, Manoj K. Sahoo, and Ekambaram Balaraman. "Reverse-hydroformylation: a missing reaction explored." Organic Chemistry Frontiers 2, no. 10 (2015): 1422–24. http://dx.doi.org/10.1039/c5qo00229j.

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Recent progress in transition-metal catalysed acceptor- and acceptorless-reverse hydroformylation of aldehydes for the conversion of olefins has been discussed. The aldehyde feedstock serves as a source for production of syngas and valuable alkenes.
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Dissertations / Theses on the topic "Hydroformylation of Alkenes"

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Iu, Leo. "New catalysts for branched selective hydroformylation of alkenes." Thesis, University of St Andrews, 2019. http://hdl.handle.net/10023/17068.

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Both products, n-butyraldehyde and iso-butyraldehyde from propene hydroformylation are key building blocks for the synthesis of many chemical intermediates, and although high linear selectivity has been achieved, any form of branched selectivity remains very difficult to attain. This project aims to deliver a catalyst that can selectively produce branched iso-butyraldehyde as the major product from propene hydroformylation. One approach discussed is to study terphenyl phosphines as ligands. The synthesis of substituted terphenyls through Suzuki-Miyaura coupling reactions between aryl boronic a
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Pandey, S. "Regioselective rhodium catalyzed isomerizing hydroformylation and iron catalyzed hydroformylation of alkenes and plant oils." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2018. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/4487.

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Osuna, Anna Maria Banet. "Hydroformylation of higher and functionalised alkenes in supercritical carbon dioxide." Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343988.

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Annis, Alexandra H. "The Development of Rhodium-Catalyzed Asymmetric Hydroformylation of 1-Alkenes to Access Chiral Aldehydes." Thesis, Boston College, 2015. http://hdl.handle.net/2345/bc-ir:104636.

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Thesis advisor: James Morken<br>Asymmetric hydroformylation (AHF) is a metal-catalyzed reaction in which CO and H2 are added across an olefin to form a new carbon-carbon bond. AHF has perfect atom-economy and is an ideal way to form a chiral aldehyde. However, the utility of branch selective hydroformylation is limited due to a lack of readily available ligands and restrictions on a wide variety of terminal olefins. Herein, Rh-catalyzed asymmetric hydroformylation of 1-alkenes is reported using commercially available Ph-BPE ligand to generate α-chiral aldehydes. A wide range of terminal olefin
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Desset, Simon L. "New strategies for the rhodium-catalysed aqeous-biphasic hydroformylation of medium chain alkenes /." St Andrews, 2009. http://hdl.handle.net/10023/842.

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Desset, Simon L. "New strategies for the rhodium-catalysed aqueous-biphasic hydroformylation of medium chain alkenes." Thesis, University of St Andrews, 2009. http://hdl.handle.net/10023/842.

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Aqueous-biphasic organometallic catalysis is, as illustrated by the industrial hydroformylation of propene and butene, one of the most promising ways to overcome the intrinsic problem of catalyst separation in organometallic catalysis. However, for poorly water-soluble substrates, mass transfer limitations bring the reaction rate below any that could be economically viable, greatly limiting the scope of this elegant technology. We have studied three different strategies to overcome this limitation. We developed additives that speed up the reaction whilst retaining fast phase separation and goo
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Gong, Zhenxin. "Continuous flow homogeneous hydroformylation of 1-octene over supported ionic liquid phase rhodium catalysts using supercritical CO₂." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/1877.

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The hydroformylation of 1-octene with supported ionic liquid phase catalyst was demonstrated when using a system involving the substrate, reacting gases and products in CO₂ and N₂ flow over a fixed bed supported ionic liquid phase catalyst (silica gel and carbon aerogels as solid support respectively) at different system pressures. Yields, reaction rates, selectivities and rhodium leaching were all monitored. A pressure of CO₂ flow just below the critical point of the flowing mixture (106 bar at 100 °C if no 1-octene has been converted) was the best condition for the hydroformylation. It gave
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Bronger, Raymond Petrus Johannes. "Selective hydroformylation of internal alkenes to linear aldehydes novel phosphacyclic diphosphines and their applications /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2004. http://dare.uva.nl/document/75911.

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Sun, Xixi. "Scaffolding Catalysis: Towards Regioselective Hydroformylation of Alkenes and Site-Selective Functionalization of Polyhydroxylated Molecules." Thesis, Boston College, 2013. http://hdl.handle.net/2345/3324.

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Thesis advisor: Kian L. Tan<br>Chapter 1. We reported the first synthesis of all-carbon quaternary centers via hydroformylations using a catalytic directing group. With the ability of reversibly and covalently binding to a substrate, and coordinating to a metal center, scaffolding catalyst 1.1 is able to direct the branch-selective hydroformylation of 1,1-disubstituted olefins under mild temperature. Chapter 2. We have designed and synthesized a chiral organocatalyst 2.11. This catalyst is able to covalently bind to one hydroxyl, and utilize the induced intramolecularity to stereoselectively f
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Guo, Ipin. "Hydroformylation of olefins by water soluble and asymmetric cobalt and platinum complexes." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39855.

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Hydroformylation of olefins (OXO synthesis), one of the oldest organometallic catalytic reactions, continues to be of interest because of its commercial significance. Great interest recently has been placed on the development of immobilized homogeneous catalysts that combine the virtues of conventional heterogeneous and homogeneous catalysts. The objective of this dissertation is to investigate novel phosphine modified water soluble cobalt and platinum complexes as homogeneous and immobilized hydroformylation catalysts. The ligands include (1) Monodentate phosphines: P[ (CH₂ ) <sub>n</sub>-C₆
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Books on the topic "Hydroformylation of Alkenes"

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Naughton, Michael J. The hydroformylation of olefins using supported film catalysts. 1993.

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Book chapters on the topic "Hydroformylation of Alkenes"

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Breit, Bernhard. "Directed Rhodium-Catalyzed Hydroformylation of Alkenes." In Topics in Organometallic Chemistry. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/3418_2007_067.

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Taber, Douglass. "Selective Reactions of Alkenes." In Organic Synthesis. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199764549.003.0023.

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Fabio Doctorovich of the Universidad de Buenos Aires reported (J. Org. Chem. 2008, 73, 5379) that hydroxylamine in the presence of an Fe catalyst reduced alkenes such as 1, but not ketones or esters. Erick Carreira of ETH Zürich developed (Angew. Chem. Int. Ed. 2008, 47, 5758) mild conditions for the hydrochlorination of mono-, di- and trisubstituted alkenes. Ramgopal Bhattacharyya of Jadavpur University established (Tetrahedron Lett. 2008, 49, 6205) a simple Mo-catalyzed protocol for alkene epoxidation. Nitro alkenes are of increasing importance as acceptors for enantioselective organocatalyz
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Mika, L. T., and I. T. Horváth. "Hydroformylation of Higher Alkenes." In Water in Organic Synthesis. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-206-00114.

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Mika, L. T., and I. T. Horváth. "Hydroformylation of Functionalized Alkenes." In Water in Organic Synthesis. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-206-00115.

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"Asymmetric Hydroformylation of Alkenes." In C-1 Building Blocks in Organic Synthesis 1, edited by van Leeuwen. Georg Thieme Verlag, 2014. http://dx.doi.org/10.1055/sos-sd-212-00020.

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"Tandem Hydroformylation of Alkenes." In C-1 Building Blocks in Organic Synthesis 1, edited by van Leeuwen. Georg Thieme Verlag, 2014. http://dx.doi.org/10.1055/sos-sd-212-00055.

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Fiaud, J. C., and A. Marinetti. "Rhodium-Promoted Hydroformylation of Alkenes." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-00505.

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"Synthesis by Hydroformylation of Alkenes." In Category 4, Compounds with Two Carbon Heteroatom Bonds, edited by Brückner. Georg Thieme Verlag, 2007. http://dx.doi.org/10.1055/sos-sd-025-00196.

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"Hydroformylation of Alkenes: Industrial Applications." In C-1 Building Blocks in Organic Synthesis 1, edited by van Leeuwen. Georg Thieme Verlag, 2014. http://dx.doi.org/10.1055/sos-sd-212-00118.

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Joule, J. A. "Variation 5: From Alkenes via Hydroformylation." In Science of Synthesis Knowledge Updates KU 2011/1. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-110-00020.

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