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Relevant bibliographies by topics / Flow microreactor synthesis

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Academic literature on the topic 'Flow microreactor synthesis'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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Journal articles on the topic "Flow microreactor synthesis"

1

Takahashi, Yusuke, and Aiichiro Nagaki. "Anionic Polymerization Using Flow Microreactors." Molecules 24, no. 8 (2019): 1532. http://dx.doi.org/10.3390/molecules24081532.

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Flow microreactors are expected to make a revolutionary change in chemical synthesis involving various fields of polymer synthesis. In fact, extensive flow microreactor studies have opened up new possibilities in polymer chemistry including cationic polymerization, anionic polymerization, radical polymerization, coordination polymerization, polycondensation and ring-opening polymerization. This review provides an overview of flow microreactors in anionic polymerization and their various applications.

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Nakamura, Hiroyuki, Masato Uehara, and Hideaki Maeda. "Nanocrystals Synthesis by Microreactors." Advances in Science and Technology 45 (October 2006): 652–59. http://dx.doi.org/10.4028/www.scientific.net/ast.45.652.

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A microreactor is a continuous flow reactor, which can control reaction conditions precisely. We applied the microreactors to CdSe based nanocrystals synthesis and tuning particle size, optical properties. Furthermore, homogeneous coating of ZnS and its coating amount tuning was possible for optical properties improvement.

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Delville, Mariëlle M. E., Jan C. M. van Hest, and Floris P. J. T. Rutjes. "Ethyl diazoacetate synthesis in flow." Beilstein Journal of Organic Chemistry 9 (September 5, 2013): 1813–18. http://dx.doi.org/10.3762/bjoc.9.211.

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Ethyl diazoacetate is a versatile compound in organic chemistry and frequently used on lab scale. Its highly explosive nature, however, severely limits its use in industrial processes. The in-line coupling of microreactor synthesis and separation technology enables the synthesis of this compound in an inherently safe manner, thereby making it available on demand in sufficient quantities. Ethyl diazoacetate was prepared in a biphasic mixture comprising an aqueous solution of glycine ethyl ester, sodium nitrite and dichloromethane. Optimization of the reaction was focused on decreasing the resid

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Amii, Hideki, Aiichiro Nagaki, and Jun-ichi Yoshida. "Flow microreactor synthesis in organo-fluorine chemistry." Beilstein Journal of Organic Chemistry 9 (December 5, 2013): 2793–802. http://dx.doi.org/10.3762/bjoc.9.314.

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Organo-fluorine compounds are the substances of considerable interest in various industrial fields due to their unique physical and chemical properties. Despite increased demand in wide fields of science, synthesis of fluoro-organic compounds is still often faced with problems such as the difficulties in handling of fluorinating reagents and in controlling of chemical reactions. Recently, flow microreactor synthesis has emerged as a new methodology for producing chemical substances with high efficiency. This review outlines the successful examples of synthesis and reactions of fluorine-contain

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Maresz, Katarzyna, Agnieszka Ciemięga, and Julita Mrowiec-Białoń. "Selective Reduction of Ketones and Aldehydes in Continuous-Flow Microreactor—Kinetic Studies." Catalysts 8, no. 5 (2018): 221. http://dx.doi.org/10.3390/catal8050221.

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In this work, the kinetics of Meerwein–Ponndorf–Verley chemoselective reduction of carbonyl compounds was studied in monolithic continuous-flow microreactors. To the best of our knowledge, this is the first report on the MPV reaction kinetics performed in a flow process. The microreactors are a very attractive alternative to the batch reactors conventionally used in this process. The proposed micro-flow system for synthesis of unsaturated secondary alcohols proved to be very efficient and easily controlled. The microreactors had reactive cores made of zirconium-functionalized silica monoliths

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Zhang, Hong, Minjing Shang, Yuchao Zhao, and Yuanhai Su. "Process Intensification of 2,2′-(4-Nitrophenyl) Dipyrromethane Synthesis with a SO3H-Functionalized Ionic Liquid Catalyst in Pickering-Emulsion-Based Packed-Bed Microreactors." Micromachines 12, no. 7 (2021): 796. http://dx.doi.org/10.3390/mi12070796.

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A stable water-in-oil Pickering emulsion was fabricated with SO3H-functionalized ionic liquid and surface-modified silica nanoparticles and used for 2,2′-(4-nitrophenyl) dipyrromethane synthesis in a packed-bed microreactor, exhibiting high reaction activity and product selectivity. The compartmentalized water droplets of the Pickering emulsion had an excellent ability to confine the ionic liquid against loss under continuous-flow conditions, and the excellent durability of the catalytic system without a significant decrease in the reaction efficiency and selectivity was achieved. Compared wit

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Borovkov, Vladimir A., and Yury P. Yulenets. "ELECTROPHYSICAL METHOD TO IMPROVE BIODIESEL FUEL SYNTHESIS IN MICROREACTOR DEVICE." Bulletin of the Saint Petersburg State Institute of Technology (Technical University) 56 (2021): 38–43. http://dx.doi.org/10.36807/1998-9849-2020-56-82-38-43.

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An electrophysical method to increase the efficiency of biodiesel synthesis in flow-type microreactor device is considered. It’s shown that due to selective microwave reactants heating the process intensity may be significantly increased while creating through the microreactor cross-section the gradient of temperature and induced of its existence the gradient of surface tension. The flow-type microreactor regimes that provide maintaining of thermal capillary convection are determined

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Canty, Allan J., Jeremy A. Deverell, Anissa Gömann, Rosanne M. Guijt, Thomas Rodemann, and Jason A. Smith. "Microfluidic Devices for Flow-Through Supported Palladium Catalysis on Porous Organic Monolith." Australian Journal of Chemistry 61, no. 8 (2008): 630. http://dx.doi.org/10.1071/ch08160.

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Flow-through microreactors are described, constructed of fused silica capillaries with an internal diameter of 100 μm and glass microchips with a channel dimension of 150 μm and involving the in situ UV-initiated synthesis of a poly(glycidyl methacrylate-co-ethylene dimethacrylate) porous polymer monolith. The monolith is a continuous material covalently bonded to the capillary or chip walls, with good flow-through properties. Epoxide ring-opening through amine attack by 5-amino-1,10-phenanthroline and coordination to dichloropalladium(ii) allows use of the microreactors for Suzuki–Miyaura cat

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Nieuwland, Pieter J., Kaspar Koch, Jan C. M. van Hest, and Floris P. J. T. Rutjes. "Flow Markers in Microreactors: A Generally Applicable Chromatographic Method for Monitoring Flow Rates During Reactions." Open Chemical Engineering Journal 4, no. 1 (2010): 61–67. http://dx.doi.org/10.2174/1874123101004010061.

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Microreactors have found widespread use for continuous flow synthesis and reaction optimization. Flow rates are critical factors with respect to the latter application because they are used to set screening parameters such as reaction time and stoichiometric ratios. However, the set flow values of pumps for nanoliter to microliter volume reactors are quite often not sufficiently accurate. In this paper we present a generally applicable chromatographic method to analyze flow rates during microreactor reaction screening. By adding flow markers to all reactant and reagent flows and performing con

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Bojang, Adama A., and Ho-Shing Wu. "Design, Fundamental Principles of Fabrication and Applications of Microreactors." Processes 8, no. 8 (2020): 891. http://dx.doi.org/10.3390/pr8080891.

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This study highlights the development of small-scale reactors, in the form of microstructures with microchannel networking. Microreactors have achieved an impressive reputation, regarding chemical synthesis ability and their applications in the engineering, pharmaceutical, and biological fields. This review elaborates on the fabrication, construction, and schematic fundamentals in the design of the microreactors and microchannels. The materials used in the fabrication or construction of the microreactors include silicon, polymer, and glass. A general review of the application of microreactors

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Dissertations / Theses on the topic "Flow microreactor synthesis"

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Takahashi, Yusuke. "Flow Microreactor Synthesis Using Short-Lived Organolithium Intermediates." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215961.

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Kim, HeeJin. "Flow Microreactor Synthesis via Unstable Organolithium Intermediates Bearing Electrophilic Functional Groups." 京都大学 (Kyoto University), 2011. http://hdl.handle.net/2433/151992.

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Chaplain, Grant Thomas Robert. "Development of a continuous flow microreactor for chemical synthesis with in-line catalysis, heating and detection." Thesis, University of Hull, 2013. http://hydra.hull.ac.uk/resources/hull:8445.

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The development of a micro fluidic flow organic synthetic system incorporating heterogeneous catalysis, novel heating regimes and in-line spectroscopic detection is described. The reactions used to model the flow synthesis include Suzuki and acetylation reactions using heterogeneous immobilised palladium and tungstosilicic acid catalyst respectively. Catalyst immobilisation was carried out on silica monoliths made using Tetraethyl orthasilicate (TEOS) as a precursor which produced surface areas of 240 ±9 m² g¯¹ and porosities between 0.65 and 0.70 with nano pore diameters of 1100 ±20 nm. Funct

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Channa, Sikandar Ali. "Synthesis of Ti-based nanoparticles in continuous flow microreactors." Thesis, Nantes, 2017. http://www.theses.fr/2017NANT4067/document.

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Des nanoparticules à basede titane dispersées dans des sols ou des gels avec une distribution de taille étroite permettent l’exacerbation des propriétés photochimiques de films photosensibles. Utilisés comme absorbeurs solaires dans les photobatteries, ils permettraient la conversion et le stockage de l'énergie solaire sous forme électrochimique. Dans ce travail, ces matériaux nanostructurés ont été produits par l'hydrolyse de TiOCl2,1.4HCl,7H2O dans du N, N-diméthylformamide (DMF),à l'intérieur d'un microréacteur afin d’assurer un meilleur contrôle en température et de confiner les fluides. E

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Bannock, James Henry. "Controlled synthesis of semiconducting polymers in droplet flow microreactors." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/45405.

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This thesis reports the development of droplet flow reactors for the preparation of semiconducting polymers, focussing specifically on poly(3-hexylthiophene) (P3HT) pre- pared by Grignard metathesis polymerisation, and random copolymers of P3HT with poly(3-hexylselenophene) (P3HS). In contrast to conventional continuous flow reactors (where the flow consists of a single solvent phase), droplet reactors incorporate an immiscible ’carrier fluid’ that divides the solvent phase into a stream of near-identical microlitre-sized droplets which then pass through the reactor sequentially. In this way,

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Liu, Shuhong. "Synthesis, characterization and deposition of dendrimers using a continuous flow microreactor /." 2007. http://hdl.handle.net/1957/6352.

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Choi, Chang-Ho. "Synthesis of colloidal metal oxide nanocrystals and nanostructured surfaces using a continuous flow microreactor system and their applications in two-phase boiling heat transfer." Thesis, 2013. http://hdl.handle.net/1957/37900.

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Metal oxide nanocrystals have attracted significant interests due to their unique chemical, physical, and electrical properties which depend on their size and structure. In this study, a continuous flow microreactor system was employed to synthesize metal oxide nanocrystals in aqueous solution. Assembly of nanocrystals is considered one of the most promising approaches to design nano-, microstructures, and complex mesoscopic architectures. A variety of strategies to induce nanocrystal assembly have been reported, including directed assembly methods that apply external forces to fabricate assem

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Eluri, Ravindranadh T. "Nanoparticle-assisted diffusion brazing of metal microchannel arrays : nanoparticle synthesis, deposition, and characterization." Thesis, 2012. http://hdl.handle.net/1957/28651.

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Microchannel process technology (MPT) offers several advantages to the field of nanomanufacturing: 1) improved process control over very short time intervals owing to shorter diffusional distances; and 2) reduced reactor size due to high surface area to volume ratios and enhanced heat and mass transfer. The objective of this thesis was to consider how nanomaterials, produced in part using MPT, could be used to solve problems associated with the fabrication of MPT devices. Specifically, many MPT devices are produced using transient liquid-phase brazing involving an electroplated interlayer co

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Books on the topic "Flow microreactor synthesis"

1

Yoshida, Jun-Ichi. Basics of flow microreactor synthesis. Springer, 2015.

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Yoshida, Jun-ichi. Basics of Flow Microreactor Synthesis. Springer Japan, 2015. http://dx.doi.org/10.1007/978-4-431-55513-1.

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Yoshida, Jun-ichi. Basics of Flow Microreactor Synthesis. Springer, 2015.

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Book chapters on the topic "Flow microreactor synthesis"

1

Chang, Chih-Hung. "Synthesis of Nanomaterials Using Continuous-Flow Microreactors." In Microreactors in Preparative Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527652891.ch07.

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Herweck, T., S. Hardt, V. Hessel, et al. "Visualization of Flow Patterns and Chemical Synthesis in Transparent Micromixers." In Microreaction Technology. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56763-6_23.

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Su, Yuanhai, Yang Song, and Liang Xiang. "Continuous-Flow Microreactors for Polymer Synthesis: Engineering Principles and Applications." In Topics in Current Chemistry Collections. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-36572-1_5.

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Su, Yuanhai, Yang Song, and Liang Xiang. "Correction to: Continuous-Flow Microreactors for Polymer Synthesis: Engineering Principles and Applications." In Topics in Current Chemistry Collections. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-36572-1_6.

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Lambert, Tristan H. "Flow Chemistry." In Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0017.

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Timothy F. Jamison at MIT developed (Org. Lett. 2013, 15, 710) a metal-free continuous-flow hydrogenation of alkene 1 using the protected hydroxylamine reagent 2 in the presence of free hydroxylamine. The reduction of nitroindole 4 to the corresponding aniline 5 using in situ-generated iron oxide nanocrystals in continuous flow was reported (Angew. Chem. Int. Ed. 2012, 51, 10190) by C. Oliver Kappe at the University of Graz. A flow method for the MPV reduction of ketone 6 to alcohol 7 was disclosed (Org. Lett. 2013, 15, 2278) by Steven V. Ley at the University of Cambridge. Corey R.J. Stephenson, now at the University of Michigan, developed (Chem. Commun. 2013, 49, 4352) a flow deoxygenation of alcohol 8 to yield 9 using visible light photoredox catalysis. Stephen L. Buchwald at MIT demonstrated (J. Am. Chem. Soc. 2012, 134, 12466) that arylated acetaldehyde 11 could be generated from aminopyridine 10 by diazonium formation and subsequent Meerwein arylation of ethyl vinyl ether in flow. The team of Takahide Fukuyama and Ilhyong Ryu at Osaka Prefecture University showed (Org. Lett. 2013, 15, 2794) that p-iodoanisole (12) could be converted to amide 13 via low-pressure carbonylation using carbon monoxide generated from mixing formic and sulfuric acids. The continuous-flow Sonogashira coupling of alkyne 14 to produce 15 using a Pd-Cu dual reactor was developed (Org. Lett. 2013, 15, 65) by Chi-Lik Ken Lee at Singapore Polytechnic. A tandem Sonogashira/cycloisomerization procedure to convert bromopyridine 16 to aminoindolizine 18 in flow was realized (Adv. Synth. Cat. 2012, 354, 2373) by Keith James at Scripps, La Jolla. A procedure for the Pauson-Khand reaction of alkene 19 to produce the bicycle 20 in a photochemical microreactor was reported (Org. Lett. 2013, 15, 2398) by Jun-ichi Yoshida at Kyoto University. Kevin I. Booker-Milburn at the University of Bristol discovered (Angew. Chem. Int. Ed. 2013, 52, 1499) that irradiation of N-butenylpyrrole 21 in flow produced the rearranged tricycle 22. Professor Jamison described (Angew. Chem. Int. Ed. 2013, 52, 4251) a unique peptide coupling involving the photochemical rearrangement of nitrone 23 to the hindered dipeptide 24 in continuous flow.

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Taber, Douglass F. "Development of Flow Reactions." In Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0015.

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For a review of a monograph by C. Wiles and P. Watts on applications of flow reactors in organic synthesis, see Org. Process. Res. Dev. 2011, 15, 947. For a review by Klavs S. Jensen of MIT of flow approaches, see Angew. Chem. Int. Ed. 2011, 50, 7502. Hans-René Bjørsvik of the University of Bergen described (Org. Process. Res. Dev. 2011, 15, 997) a multijet oscillating disc microreactor, and Andreas Schmid of the Technische Universität Dortmund (Adv. Synth. Catal. 2011, 353, 2511) and László Poppe of the Budapest University of Technology and Economics discussed (Adv. Synth. Catal. 2011, 353, 2481) continuous flow reactors for biotransformations. Gases are readily handled in a flow apparatus. S. Chandrasekhar of the Indian Institute of Chemical Technology, Hyderabad demonstrated (Tetrahedron Lett. 2011, 52, 3865) partial deuteration of 1 to 2, using D2O as the deuterium source. Peter H. Seeberger of the Max Planck Institute, Potsdam oxidized (Org. Lett. 2011, 13, 5008) 3 to 4 with singlet oxygen. Dong-Pyo Kim of Chungnam National University and Robert H. Grubbs of Caltech effected (Org. Lett. 2011, 13, 2398) ethenolysis of 5 to give 6 and 7. Takashi Takahashi of the Tokyo Institute of Technology showed (Chem. Commun. 2011, 47, 12661) that even phosgene could be handled in a flow system, using it to activate 8 for condensation with benzylamine to give 9. In the liquid phase, Stephen L. Buchwald of MIT prepared (Angew. Chem. Int. Ed. 2011, 50, 8900) 11 by the fluorination of 10. Jesús Alcázar of Janssen Pharmaceutical, Toledo, showed (Tetrahedron Lett. 2011, 52, 6058) that a nitrile 12 could be reduced in a flow system to the aldehyde 13. Mark York of CSIRO prepared (Tetrahedron Lett. 2011, 52, 6267) the furan 16 by condensation of 14 with 15. Floris P.J.T. Rutjes of Radboud University Nijmegen used (Org. Process Res. Dev. 2011, 15, 783) the careful controls of a flow reactor to optimize the exothermic combination of 17 with 18 to give 19. Professor Buchwald demonstrated (Angew. Chem. Int. Ed. 2011, 50, 10665) a flow protocol for the lithiation of 20 with in situ borylation and Pd-catalyzed coupling with 21 to give 22.

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Sumino, S., T. Fukuyama, and I. Ryu. "2.10 Radical Chemistry in Flow." In Free Radicals: Fundamentals and Applications in Organic Synthesis 2. Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/sos-sd-233-00182.

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AbstractThe past two decades have witnessed a rapid growth in flow-based organic synthesis and synthesis involving radical reactions in flow systems is no exception. Flow microreactors have large surface-to-volume ratios that become available by the employment of tiny channels, and this allows radical reactions to occur with efficient heat transfer and diffusion. Flow photomicroreactors with thin, glass-made channels allow for efficient light penetration, which enables highly efficient photo-radical reactions. This chapter highlights recent advances in both thermal and photo-induced radical reactions, which have achieved increased efficiency by using flow reaction systems.

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Conference papers on the topic "Flow microreactor synthesis"

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Palma Naveira Cotta, Carolina, and Juliana Damasceno da Cruz Gouveia de Carvalho. "Investigation of Segmented Flow Pattern for Biodiesel Synthesis in Microreactor." In 25th International Congress of Mechanical Engineering. ABCM, 2019. http://dx.doi.org/10.26678/abcm.cobem2019.cob2019-2402.

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Han, Wei, Rachaneewan Charoenwat, and Brian H. Dennis. "Numerical Investigation of Biodiesel Production in Capillary Microreactor." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48765.

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Synthesis of biodiesel through transesterification of vegetable oil with methanol has been experimentally studied in different types of microreactors though detailed numerical simulation has not yet been presented. The capillary microreactor has the potential to greatly intensify mass transfer between immiscible fluids that would result in higher chemical reaction rates. A segmented flow pattern of oil and methanol forms within the reactor. It has been shown experimentally that the two phase flow has dramatic benefits on the intensification of mass transfer and heat transfer. Such reactors hav

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Peterson, Daniel A., Padmavathi Chandran, and Brian K. Paul. "A Reverse Oscillatory Flow microreactor system for the synthesis of uniformly-size CdS nanoparticles." In 2011 IEEE 11th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2011. http://dx.doi.org/10.1109/nano.2011.6144355.

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Peterson, Daniel A., Anna E. Garrison, and Brian K. Paul. "Evaluation of a Reverse Oscillatory Flow Microreactor Design for the Synthesis of Uniformly-Sized Nanoparticles." In ASME 2011 International Manufacturing Science and Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/msec2011-50246.

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Computational fluid dynamics is used to refine the operating parameters of a Reverse Oscillatory Flow (ROF) microreaction system for the synthesis of uniformly-sized nanoparticles. The ROF mixing system uses highly advective flow regions to achieve high quality mixing over short mixing lengths. The mixing system is further enhanced by sinusoidal inlet flow conditions which create plugs having reduced diffusional lengths. Flow conditions leading to plug creation were found to be chiefly responsible for shorter mixing times. Residence time distributions (of simulated inert particles) were found

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Skelton, V., G. Greenway, S. Haswell, et al. "Preliminary Results: The Development of a Continuous Flow Injection Microreactor For Organic Synthesis and Combinatorial Applications using Wittig Chemistry." In The 3rd International Electronic Conference on Synthetic Organic Chemistry. MDPI, 1999. http://dx.doi.org/10.3390/ecsoc-3-01757.

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Özkan, Alican, Yusuf Keleştemur, Hilmi Volkan Demir, and E. Yegan Erdem. "Silica Synthesis and Coating of Quantum Dots in Droplet Based Microreactors." In ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/icnmm2015-48765.

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We present a microfluidic reactor that utilizes meandering microchannel shape to mix reagents inside droplets in a carrier fluid to synthesize silica and silica coated nanoparticles. Meandering channels decrease mixing time due to reduced diffusion lengths. Moreover, droplet-based flow provides uniform reaction times due to the circulating flow profile inside droplets as opposed to parabolic flow profile in straight channels. Before fabricating our device, we have simulated the mixing performance of droplets at different channel cross-sections and meandering geometries using Comsol Multiphysic

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Wang, Liqiu. "Research and Engineering Practice in Nanofluids: Key Issues." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-23184.

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Nanofluids are a new class of fluids engineered by dispersing nanometer-size structures (particles, fibers, tubes, droplets) in base fluids. The very essence of nanofluids research and development is to enhance fluid macroscopic and megascale properties/performance such as thermal conductivity through manipulating microscopic physics (structures, properties and activities). Therefore, the success of nanofluid technology depends very much on how well we can address issues like effective means of microscale manipulation, interplays among physics at different scales, and optimization of microscal

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