Littérature scientifique sur le sujet « One-pot catalysis »
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Articles de revues sur le sujet "One-pot catalysis"
Choi, Youngbo, Yang Sik Yun, Hongseok Park, Dae Sung Park, Danim Yun et Jongheop Yi. « A facile approach for the preparation of tunable acid nano-catalysts with a hierarchically mesoporous structure ». Chem. Commun. 50, no 57 (2014) : 7652–55. http://dx.doi.org/10.1039/c4cc01881h.
Texte intégralKumar, Devarapalli Ravi, et Gedu Satyanarayana. « Palladium Catalysis : One‐Pot Synthesis of Fluorenones ». ChemistrySelect 3, no 27 (18 juillet 2018) : 7867–70. http://dx.doi.org/10.1002/slct.201801787.
Texte intégralZhang, Luxin, Xu Xing, Ruijun Sun et Meng Hu. « Catalytic conversion of carbohydrates into 5-ethoxymethylfurfural using γ-AlOOH and CeO2@B2O3 catalyst synergistic effect ». RSC Advances 12, no 36 (2022) : 23118–28. http://dx.doi.org/10.1039/d2ra01866g.
Texte intégralSau, Samaresh Chandra, Sudipta Raha Roy et Swadhin K. Mandal. « One-Pot Consecutive Catalysis by Integrating Organometallic Catalysis with Organocatalysis ». Chemistry - An Asian Journal 9, no 10 (14 août 2014) : 2806–13. http://dx.doi.org/10.1002/asia.201402363.
Texte intégralPellissier, Hélène. « Asymmetric Zinc Catalysis in Green One-pot Processes ». Current Organic Chemistry 25, no 8 (28 avril 2021) : 857–75. http://dx.doi.org/10.2174/1385272825666210216123607.
Texte intégralDe Nisi, A., S. Sierra, M. Ferrara, M. Monari et M. Bandini. « TBAF catalyzed one-pot synthesis of allenyl-indoles ». Organic Chemistry Frontiers 4, no 9 (2017) : 1849–53. http://dx.doi.org/10.1039/c7qo00414a.
Texte intégralProchazka, Michal P., Rolf Carlson, Pentti Mälkönen, Heikki Hukkanen, M. Nielsen, M. S. Lehmann et Tadashi Tokii. « One-Pot Fischer Indole Synthesis by Zeolite Catalysis. » Acta Chemica Scandinavica 44 (1990) : 614–16. http://dx.doi.org/10.3891/acta.chem.scand.44-0614.
Texte intégralGao, Xiang, et Henri B. Kagan. « One-pot multi-substrate screening in asymmetric catalysis ». Chirality 10, no 1-2 (1998) : 120–24. http://dx.doi.org/10.1002/chir.19.
Texte intégralGao, Xiang, et Henri B. Kagan. « One‐pot multi‐substrate screening in asymmetric catalysis ». Chirality 10, no 12 (1998) : 120–24. http://dx.doi.org/10.1002/(sici)1520-636x(1998)10:1/2<120 ::aid-chir19>3.3.co;2-1.
Texte intégralHou, Fang, Wei Zheng et Nasser Yousefi. « Design, Characterization and Application of The SCMNPs@PC/VB1-Zn as A Green and Recyclable Biocatalyst for Synthesis of Pyrano[2,3-c]pyrazole and 4H-benzo-[b]-pyran Derivatives ». Bulletin of Chemical Reaction Engineering & ; Catalysis 15, no 1 (3 janvier 2020) : 199–212. http://dx.doi.org/10.9767/bcrec.15.1.6179.199-212.
Texte intégralThèses sur le sujet "One-pot catalysis"
Boscaro, Paolo. « One-pot synthesis of structurated of TiO2 materials easy to handle (not nanoparticles) for photocatalysis under visible light and sunlight ». Thesis, Montpellier, Ecole nationale supérieure de chimie, 2016. http://www.theses.fr/2016ENCM0009.
Texte intégralThe aim of this study is to develop titania based materials able to perform photocatalytic reaction in flow condition, under sunlight or visible light, with special physical and chemical properties in order to overcome common photocatalysts’ deficiencies like: mechanical stability, pressure drop, low mass transfer and contact time, reduced wavelength range absorption, photo-generated charge lifetime, and in general all features that limit photocatalysts efficiencies. Three synthesis methods have been developed and optimized to obtain TiO2 monoliths with shape and dimension that can be adapted to any specific application. TiO2 monoliths, displaying bimodal macro-mesoporous interconnected network together with an elevated mechanical and chemical stability, have been used as flow photocatalyst microreactor under different flow rate conditions. Synthesized monoliths displayed enhanced visible light absorption, enabling them to efficiently operate in a vast range of illumination. TiO2 monoliths absorption on the visible range of the spectrum is attributed to carbon-nitrogen containing species within the material. Orange G degradation in aqueous medium have been performed both in batch and flow reactors under sunlight, visible light and UV light. All reactions resulted in complete mineralization of pollutant, with higher degradation rate than TiO2 nanoparticles benchmark material (P-25) when visible light is used. No photocatalyst deactivation have been detected after 85 hours of wastewater treatment in flow conditions. Similar TiO2 material, with a free-standing thick-film shape, have been used to perform photocatalytic water splitting under visible light. Another strategy has been developed to synthesize a TiO2/CuO self-standing film to enhance charge separation giving unexpected results in terms of hydrogen production
Giorgi, Pascal. « Nouvelles réactions à économie d'atomes et d'étapes basées sur la catalyse par des nanoparticules d'or et la multicatalyse. Applications dans la synthèse de chimie fine et des odorants ». Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4127.
Texte intégralElaboration of synthetic methods based on metal-catalyzed reactions has been a hot topic in organic chemistry. Despite good efficiency, catalysis proceeding homogeneously, are limited in the operation of recovering/recycling of the catalysts. An important stress was placed to design catalysis, offering both the efficiency of homogeneous catalysts and the recyclability of heterogeneous catalysts. In this context, metal nanoparticles merged as a key tool, due to their unique physical and chemical properties. Notably, Au NPs have shown remarkable catalytic activity in the oxidation of activated alcohols under O2 atmosphere. Since now, the access to more complex molecules is the next step forward for this field, we envisioned multicatalytic roads, based on the oxidation of activated alcohols via supported Au NPs. Our choice of using solid catalysts was relevant, since nanostructured catalysts for which the fraction of active sites are located on the surface, limit the risk of cross-quenching. The latter carbonyl formed, could be further converted in situ, via tandem protocol. Herein, we developed novel, atom- and step-economical bicatalytic one-pot processes, to access substituted chromenes/quinolines (53-93%) by tandem oxidation/hetero-Michael addition/aldolisation combining nanocatalysis and base catalysis, ortho-THCs (50-81%) via tandem oxidation/arylation/cyclisation combining nanocatalysis and supported catalysts and a tandem cascade oxidation/hydrolysis to access HMLA (86%, sel 93%). A large panel of products of biological activity relevance, pertaining to the fragrance chemistry or aiming in some cases, pre-industrial scalability via continuous flow applications
Kudaibergenov, S. E., G. S. Tatykhanova et E. Baigaziyeva. « Preparation, Characterization and Catalytic Activity of Gold Nanoparticles Stabilized by Hydrophilic Polymers ». Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35034.
Texte intégralLainer, Bruno. « A multicatalytic approach to enantio-, and diastereoselective arylation of alcohols ». Electronic Thesis or Diss., Strasbourg, 2023. http://www.theses.fr/2023STRAF080.
Texte intégralAlcohol moieties are present in a great diversity of valuable fine chemicals from nature and synthesis, therefore methods enabling their structural diversification are sought after. However, modifying the structure of alcohols at certain unreactive positions, even with the aid of catalysis, remains a challenge or requires tedious often wasteful multistep procedures. Recently, increased attention has been paid to multicatalysis, which combines multiple catalysts within one system, enabling the discovery of previously inaccessible reactivities or increasing the overall efficiency of multistep transformations. Described within are methods which enable the diastereo-, and enantioselective α-, and β-arylation of alcohols. By combining Ru- and Pd-based catalysts the unprecedented, enantioselective (and diastereodivergent in the case of alcohols already bearing stereocenters) β-arylation of primary alcohols can be carried out. Also, under sequential relay catalysis enantioenriched secondary benzylic alcohols can be obtained from a variety of available starting materials, such as primary alcohols, or alcohols bearing a double bond. Overall, these protocols demonstrate the potential of multicatalysis as a synthetic tool for diversifying alcohols. In a broader context, this thesis sets the stage for devising novel, multicatalytic strategies and methods for efficient synthesis
Cusati, Giuseppe. « La catalyse hétérogène au palladium en chimie fine : une étude sur la synthèse " one-pot " de stilbènes et bibenzyles : application à la synthèse de styrènes et aryl-indoles ». Phd thesis, Université Claude Bernard - Lyon I, 2009. http://tel.archives-ouvertes.fr/tel-00876267.
Texte intégralLuciani, Sara. « Sintesi enantio- e diastereoselettiva di atropoisomeri N-N ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24360/.
Texte intégralChen, Xu. « Investigation of the Phase transformation in FePtM nanoparticles (M= Ag, Cu) at atomic scale for optimized oxygen reduction catalysis ». Thesis, Normandie, 2019. http://www.theses.fr/2019NORMC235.
Texte intégralProton exchange membrane fuel cells are promising as novel energy conversion devices due to their high efficiency and low environmental impact. However, the platinum loadings needed for compensating the poor kinetics in the oxygen reduction reaction hinder their widespread applications in new energy vehicles and stations. Recently, it has become possible to enhance the catalysts activity based on geometrical and/or electronic effects. In this vein, Pt−based binary alloys with ordered structure have demonstrated enhanced activity and durability, while, contributing to decrease the weight of Pt. In this work, we have investigated ordered FePtAg and FePtCu nanoparticles from one‒pot synthesis, with the objective to develop high performance catalysts by improving their activity and durability. In FePtAg, the phase transition to ordered structure was shown to be induced by Ag doping; a high coercivity of 5.23 kOe and ultrafine size FePtAg nanoparticles (3.5 ± 0.5 nm) has been achieved. For the FePtCu nanoparticles, the Cu alloying effect was found to constitute the driving force for ordering. As related to benchmark Pt/C, our optimized core‒shell structured Cu/FePtCu nanoparticles exhibited a mass activity 4 times higher with only 3 % durability attenuation in contrast to 34.2%. Finally, a mass activity of 11.7 times larger than Pt/C was achieved for optimized FePtCu nanoparticles, with core‒shell Cu/FePt structure and truncated‒octahedron shape
Isleyen, Alper. « One-pot Synthesis Of Chloroalcohols And Their Lipase Mediated Kinetic Resolution - Ferrocenyl Aziridinylmethanols As Chiral Ligands In Enantioselective Conjugate Diethylzinc Addition To Enones ». Phd thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608857/index.pdf.
Texte intégralnsted acid conditions. Formaldehyde and olefin condensation (Prins reaction) clearly explains the formation of the unexpected product. Same methodology was then successfully applied to develop a one-step procedure for the synthesis of 3-chloro-3-arylpropanols, which are important starting materials for the synthesis of biologically active benzanilide derivatives. Styrenes were reacted with MDA in the presence of boron trifluoride to give the corresponding 3-chloro-3-arylpropanols in 36&
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84% yield. The second part of the thesis involves kinetic resolution of 3-chloro-3-arylpropanols by lipase mediated acylation which are described for the first time. Acylation with the CCL provided the best enantioselectivity amongst the enzymes used. Enantiomerically enriched products with up to 78% ee were obtained after two successive lipase-mediated acylations. Different substituents on the aromatic ring and bromide, instead of chloride, at the benzylic position of the substrates were found to have no drastic influence on the enantioselectivity of the reaction. In the last part, easily available ferrocenyl substituted aziridinylmethanols (FAM) were complexed with nickel to catalyze the enantioselective diethylzinc addition to various enones with ee&
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s reaching 82%. The ligands can be recovered and used without losing their activity. The sense of asymmetric induction was found to be dependent on the configuration of the aziridine ring.
Ellis, Richard D. « Reductive amination catalysed by iridium complexes ». Thesis, University of Sussex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341064.
Texte intégralLorusso, Patrizia. « Metal catalysed alkylation of carbonyl compounds with formaldehyde ». Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/7823.
Texte intégralChapitres de livres sur le sujet "One-pot catalysis"
Gröger, Harald. « Chapter 15. Emerging Fields in One-pot Multi-step Synthesis with Combined Chemo- and Bio-catalysts : Sequential- and Domino-type Process Concepts as well as Compartmentation Strategies ». Dans Catalysis Series, 439–72. Cambridge : Royal Society of Chemistry, 2018. http://dx.doi.org/10.1039/9781788010450-00439.
Texte intégralGuisnet, Michel, et Matteo Guidotti. « One-Pot Reactions on Bifunctional Catalysts ». Dans Catalysts for Fine Chemical Synthesis, 157–69. Chichester, UK : John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470094214.ch8.
Texte intégralKulkarni, Suvarn S. « Regioselective, One-Pot Functionalization of Carbohydrates ». Dans Selective Glycosylations : Synthetic Methods and Catalysts, 255–76. Weinheim, Germany : Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527696239.ch12.
Texte intégralGade, Lutz H., et Solveig A. Scholl. « C-N-Coupling Reactions in Catalytic One-Pot Syntheses Using Molecular Group 4 Catalysts ». Dans Molecular Catalysts, 281–98. Weinheim, Germany : Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527673278.ch13.
Texte intégralSivasubramaniam, Dorairaaj, et Nor Aishah Saidina Amin. « One Pot Synthesis of γ-Valerolactone from D-Glucose Over H3PW12O40/ZrO2 Catalyst ». Dans ICGSCE 2014, 307–13. Singapore : Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-505-1_36.
Texte intégralHernandez, J. C., J. A. Perez-Omil, J. J. Calvino, S. Bernal, R. di Monte, S. Desinan, J. Kašpar et S. Trasobares. « STEM investigation on the one-pot synthesis of nanostructured CexZr1−xO2-BaO·nAl2O3 catalytic materials ». Dans EMC 2008 14th European Microscopy Congress 1–5 September 2008, Aachen, Germany, 271–72. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-85226-1_136.
Texte intégralVijayasankar, A. V., H. Kathyayini, Harikrishna Tumma et N. Nagaraju. « Mesoporous Iron Aluminophosphate : An Efficient Catalyst for One Pot Synthesis of Amides by Ester-Amide Exchange Reaction ». Dans Ceramic Transactions Series, 127–40. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118491638.ch13.
Texte intégralPrakash, G. K. Surya, Chiradeep Panja, Clement Do, Inessa Bychinskaya, Habiba Vaghoo, Thomas Mathew et George A. Olah. « Efficient One-Pot Synthesis of Novel Fluorinated Heterocycles Using Trimethylsilyl Trifluoromethanesulfonate as a Metal-Free Homogeneous Lewis Acid Catalyst ». Dans ACS Symposium Series, 59–83. Washington, DC : American Chemical Society, 2009. http://dx.doi.org/10.1021/bk-2009-1003.ch004.
Texte intégralPoli, Rinaldo, Si Chen, Xuewei Zhang, Andrés Cardozo, Muriel Lansalot, Franck D’Agosto, Bernadette Charleux et al. « One-Pot RAFT Synthesis of Triphenylphosphine-Functionalized Amphiphilic Core-Shell Polymers and Application as Catalytic Nanoreactors in Aqueous Biphasic Hydroformylation ». Dans ACS Symposium Series, 203–20. Washington, DC : American Chemical Society, 2015. http://dx.doi.org/10.1021/bk-2015-1188.ch014.
Texte intégralSarvar, Mohd, Mohammad Moeen Hasan Raza, Shah Masheerul Aalam, Mohd Sadiq, Mohd Shahid Khan et Javid Ali. « One-Pot Preparation of Fe/Cu Catalytic Solution for the Growth of Carbon Nanotubes for Use in Gas Sensor and Field Emission Devices ». Dans Springer Proceedings in Physics, 403–10. Singapore : Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1571-8_48.
Texte intégralActes de conférences sur le sujet "One-pot catalysis"
Marinič, Dana, Brigita Hočevar, Miha Grilc et Blaž Likozar. « One-pot Algae Conversion Into Sustainable Biofuel by Catalytic Hydroprocessing ». Dans International Conference on Technologies & Business Models for Circular Economy. University of Maribor Press, 2022. http://dx.doi.org/10.18690/um.fkkt.3.2022.2.
Texte intégralHan, Fon Yee, Masaharu Komiyama, Yoshimitsu Uemura et Nurul Ekmi Rabat. « One pot biodiesel production from wet Chlorella vulgaris using supercritical methanol with oxide catalysts ». Dans PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON APPLIED SCIENCE AND TECHNOLOGY (ICAST’18). Author(s), 2018. http://dx.doi.org/10.1063/1.5055447.
Texte intégralAffeldt, Ricardo F., et Dennis Russowsky. « One-Pot Solvent-Free Synthesis of Polyhydroquinolines Promoted by In/SiO2 Composite Catalyst ». Dans 14th Brazilian Meeting on Organic Synthesis. São Paulo : Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0156-2.
Texte intégralThorat, Bapu R., Shravani D. Thakare, Dnyaneshwar Mhaske et Suraj N. Mali. « One-Pot Synthesis of Knoevenagel Condensation Products Using Boric Acid as a Catalyst ». Dans The 4th International Electronic Conference on Applied Sciences. Basel Switzerland : MDPI, 2023. http://dx.doi.org/10.3390/asec2023-15366.
Texte intégralLv, Jing, Liang Jun, Xiangfeng Kong, Lu Cao, Ying Zhang et Shuwei Zhang. « One-Pot Synthesis of 1, 4-Dihydropyridines in PEG Under Catalyst-Free Conditions ». Dans International Conference on Chemical,Material and Food Engineering. Paris, France : Atlantis Press, 2015. http://dx.doi.org/10.2991/cmfe-15.2015.82.
Texte intégralGhafuri, Hossein, moghadaseh keshvari, Negar Joorabchi et Atefeh Emami. « Thiamine : an efficient, biodegradable, green catalyst for one-pot synthesis of functionalized dihydropyridines ». Dans The 20th International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland : MDPI, 2016. http://dx.doi.org/10.3390/ecsoc-20-a039.
Texte intégralIrmawati, Yuyun, Edwin M. Mauludi, Fredina Destyorini, Andri Hardiansyah, Haryo S. Oktaviano, Agung Nugroho et Rike Yudianti. « One-pot synthesis of CoFe alloy supported on N-doped carbon as Pt-free oxygen reduction catalysts ». Dans THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIAL AND TECHNOLOGY (ICAMT) 2021. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0106430.
Texte intégralCahyana, A. H., B. Ardiansah et A. Mubardiani. « CoFe2O4 magnetic catalyst assisted a facile one-pot multicomponent construction of 2,4,5-trisubstituted-1H-imidazole derivatives ». Dans PROCEEDINGS OF THE 3RD INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2017 (ISCPMS2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5064054.
Texte intégralNaimi-Jamal, Mohammad Reza, maryam hasani et Leila Panahi. « MCM-41-SO3H as Heterogeneous Catalyst for One-pot Four Component Synthesis of Highly Substituted Pyrroles ». Dans The 20th International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland : MDPI, 2016. http://dx.doi.org/10.3390/ecsoc-20-c002.
Texte intégralCalderón-Rangel, David, Karla A. González Pérez, Alejandro Corona Díaz et Rocío Gámez-Montaño. « One-Pot Synthesis of Imidazo[2,1-b]thiazole via Groebke–Blackburn–Bienaymé Reaction under Free Catalyts ». Dans ECSOC 2023. Basel Switzerland : MDPI, 2023. http://dx.doi.org/10.3390/ecsoc-27-16095.
Texte intégralRapports d'organisations sur le sujet "One-pot catalysis"
Bhan, Aditya. One-pot catalytic conversion of biomass and alkanes : Kinetically coupling deoxygenation and dehydrogenation pathways. Office of Scientific and Technical Information (OSTI), juin 2018. http://dx.doi.org/10.2172/1507124.
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