1
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Zhang Z, Yamada YMA. Recent Advancements in Continuous-Flow Suzuki-Miyaura Coupling Utilizing Immobilized Molecular Palladium Complexes. Chemistry 2024; 30:e202304335. [PMID: 38418426 DOI: 10.1002/chem.202304335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/25/2024] [Accepted: 02/26/2024] [Indexed: 03/01/2024]
Abstract
Immobilized Pd-catalyzed Suzuki-Miyaura coupling under continuous-flow conditions using a packed-bed reactor, representing an efficient, automated, practical, and safe technology compared to conventional batch-type reactions. The core objective of this study is the development of an active and durable catalyst. In contrast to supported Pd nanoparticles, the attachment of Pd complexes onto solid supports through well-defined coordination sites is considered a favorable approach for preparing highly dispersed and stabilized Pd species. These species can be directly employed in various flow reactions without the need for pre-treatment. This concept paper explores recent achievements involving the application of immobilized Pd complexes as precatalysts for continuous-flow Suzuki-Miyaura coupling. Our focus is to elucidate the significance of the designed catalyst structures in relation to their catalytic performance under flow conditions. Additionally, we highlight various reaction systems and catalyst packing methods, emphasizing their crucial roles in establishing a practical synthesis process.
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Affiliation(s)
- Zhenzhong Zhang
- RIKEN Center for Sustainable Resource Science Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Yoichi M A Yamada
- RIKEN Center for Sustainable Resource Science Hirosawa, Wako, Saitama, 351-0198, Japan
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2
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Hegde S, Nizam A, Vijayan A, Dateer RB, Krishna SBN. Palladium immobilized on guanidine functionalized magnetic nanoparticles: a highly effective and recoverable catalyst for ultrasound aided Suzuki–Miyaura cross-coupling reactions. NEW J CHEM 2023; 47:18856-18864. [DOI: 10.1039/d3nj03444e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
The Fe3O4@SiO2-TCT-Gua-Pd catalyst anchored with guanidine moiety on Fe3O4 nanoparticles was synthesised for Suzuki–Miyaura cross coupling reaction.
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Affiliation(s)
- Sumanth Hegde
- Department of Chemistry, CHRIST (Deemed to be University), Bangalore-560029, India
| | - Aatika Nizam
- Department of Chemistry, CHRIST (Deemed to be University), Bangalore-560029, India
| | - Ajesh Vijayan
- Department of Chemistry, CHRIST (Deemed to be University), Bangalore-560029, India
| | - Ramesh B. Dateer
- Centre for Nano and Material Sciences, Jain University, Bangalore, Karnataka 562112, India
| | - Suresh Babu Naidu Krishna
- Institute for Water and Wastewater Technology, Durban University of Technology, PO Box 1334, Durban-4000, South Africa
- Department of Biomedical and Clinical Technology, Durban University of Technology, Durban-4000, South Africa
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3
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Chen TY, Hsiao YW, Baker-Fales M, Cameli F, Dimitrakellis P, Vlachos DG. Microflow chemistry and its electrification for sustainable chemical manufacturing. Chem Sci 2022; 13:10644-10685. [PMID: 36320706 PMCID: PMC9491096 DOI: 10.1039/d2sc01684b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 08/03/2022] [Indexed: 10/26/2023] Open
Abstract
Sustainability is vital in solving global societal problems. Still, it requires a holistic view by considering renewable energy and carbon sources, recycling waste streams, environmentally friendly resource extraction and handling, and green manufacturing. Flow chemistry at the microscale can enable continuous sustainable manufacturing by opening up new operating windows, precise residence time control, enhanced mixing and transport, improved yield and productivity, and inherent safety. Furthermore, integrating microfluidic systems with alternative energy sources, such as microwaves and plasmas, offers tremendous promise for electrifying and intensifying modular and distributed chemical processing. This review provides an overview of microflow chemistry, electrification, their integration toward sustainable manufacturing, and their application to biomass upgrade (a select number of other processes are also touched upon). Finally, we identify critical areas for future research, such as matching technology to the scale of the application, techno-economic analysis, and life cycle assessment.
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Affiliation(s)
- Tai-Ying Chen
- Department of Chemical and Biomolecular Engineering, University of Delaware 150 Academy Street Newark Delaware 19716 USA
| | - Yung Wei Hsiao
- Department of Chemical and Biomolecular Engineering, University of Delaware 150 Academy Street Newark Delaware 19716 USA
| | - Montgomery Baker-Fales
- Department of Chemical and Biomolecular Engineering, University of Delaware 150 Academy Street Newark Delaware 19716 USA
| | - Fabio Cameli
- Department of Chemical and Biomolecular Engineering, University of Delaware 150 Academy Street Newark Delaware 19716 USA
| | - Panagiotis Dimitrakellis
- Department of Chemical and Biomolecular Engineering, University of Delaware 150 Academy Street Newark Delaware 19716 USA
- Catalysis Center for Energy Innovation, RAPID Manufacturing Institute, Delaware Energy Institute (DEI), University of Delaware 221 Academy St. Newark Delaware 19716 USA
| | - Dionisios G Vlachos
- Department of Chemical and Biomolecular Engineering, University of Delaware 150 Academy Street Newark Delaware 19716 USA
- Catalysis Center for Energy Innovation, RAPID Manufacturing Institute, Delaware Energy Institute (DEI), University of Delaware 221 Academy St. Newark Delaware 19716 USA
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4
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Horbaczewskyj CS, Fairlamb IJS. Pd-Catalyzed Cross-Couplings: On the Importance of the Catalyst Quantity Descriptors, mol % and ppm. Org Process Res Dev 2022; 26:2240-2269. [PMID: 36032362 PMCID: PMC9396667 DOI: 10.1021/acs.oprd.2c00051] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Indexed: 12/26/2022]
Abstract
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This Review examines parts per million (ppm) palladium
concentrations
in catalytic cross-coupling reactions and their relationship with
mole percentage (mol %). Most studies in catalytic cross-coupling
chemistry have historically focused on the concentration ratio between
(pre)catalyst and the limiting reagent (substrate), expressed as mol
%. Several recent papers have outlined the use of “ppm level”
palladium as an alternative means of describing catalytic cross-coupling
reaction systems. This led us to delve deeper into the literature
to assess whether “ppm level” palladium is a practically
useful descriptor of catalyst quantities in palladium-catalyzed cross-coupling
reactions. Indeed, we conjectured that many reactions could, unknowingly,
have employed low “ppm levels” of palladium (pre)catalyst,
and generally, what would the spread of ppm palladium look like across
a selection of studies reported across the vast array of the cross-coupling
chemistry literature. In a few selected examples, we have examined
other metal catalyst systems for comparison with palladium.
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Affiliation(s)
| | - Ian J. S. Fairlamb
- University of York, Heslington, York, North Yorkshire, YO10 5DD, United Kingdom
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5
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Rahman M, Ghosh S, Bhattacherjee D, Zyryanov GV, Bagdi AK, Hajra A. Recent Advances in Microwave‐assisted Cross‐Coupling Reactions. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Matiur Rahman
- Ural Federal University named after the first President of Russia B N Yeltsin: Ural'skij federal'nyj universitet imeni pervogo Prezidenta Rossii B N El'cina Department of Organic and Biomolecular Chemistry RUSSIAN FEDERATION
| | | | - Dhananjay Bhattacherjee
- Ural Federal University named after the first President of Russia B N Yeltsin: Ural'skij federal'nyj universitet imeni pervogo Prezidenta Rossii B N El'cina Department of Organic and Biomolecular Chemistry RUSSIAN FEDERATION
| | - Grigory V. Zyryanov
- Ural Federal University named after the first President of Russia B N Yeltsin: Ural'skij federal'nyj universitet imeni pervogo Prezidenta Rossii B N El'cina Department of Organic and Biomolecular Chemistry RUSSIAN FEDERATION
| | | | - Alakananda Hajra
- Visva-Bharati Chemistry Santiniketan Road 731235 Santiniketan, Bolpur INDIA
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6
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Penny MR, Rao ZX, Thavarajah R, Ishaq A, Bowles BJ, Hilton ST. 3D printed tetrakis(triphenylphosphine)palladium (0) impregnated stirrer devices for Suzuki–Miyaura cross-coupling reactions. REACT CHEM ENG 2022. [DOI: 10.1039/d2re00218c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In a novel approach, SLA 3D-printed Pd(PPh3)4 containing stirrer beads have been used to catalyse the Suzuki–Miyaura reaction between a range of substrates.
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Affiliation(s)
- Matthew R. Penny
- UCL School of Pharmacy, 29-39 Brunswick Square, London WC1N 1AX, UK
| | - Zenobia X. Rao
- UCL School of Pharmacy, 29-39 Brunswick Square, London WC1N 1AX, UK
| | | | - Ahtsham Ishaq
- UCL School of Pharmacy, 29-39 Brunswick Square, London WC1N 1AX, UK
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7
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Kim J, Yonekura H, Watanabe T, Yoshikawa S, Nakanishi H, Badr S, Sugiyama H. Model-based comparison of batch and flow syntheses of an active pharmaceutical ingredient using heterogeneous hydrogenation. Comput Chem Eng 2022. [DOI: 10.1016/j.compchemeng.2021.107541] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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Neyt NC, Riley DL. Application of reactor engineering concepts in continuous flow chemistry: a review. REACT CHEM ENG 2021. [DOI: 10.1039/d1re00004g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The adoption of flow technology for the manufacture of chemical entities, and in particular pharmaceuticals, has seen rapid growth over the past two decades with the technology now blurring the lines between chemistry and chemical engineering.
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Affiliation(s)
- Nicole C. Neyt
- Faculty of Natural and Agricultural Sciences
- Department of Chemistry
- University of Pretoria
- South Africa
| | - Darren L. Riley
- Faculty of Natural and Agricultural Sciences
- Department of Chemistry
- University of Pretoria
- South Africa
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9
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Lai J, Fianchini M, Pericàs MA. Development of Immobilized SPINOL-Derived Chiral Phosphoric Acids for Catalytic Continuous Flow Processes. Use in the Catalytic Desymmetrization of 3,3-Disubstituted Oxetanes. ACS Catal 2020. [DOI: 10.1021/acscatal.0c04497] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Junshan Lai
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans, 16, 43007 Tarragona, Spain
| | - Mauro Fianchini
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans, 16, 43007 Tarragona, Spain
| | - Miquel A. Pericàs
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans, 16, 43007 Tarragona, Spain
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10
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Zhang M, Li X, Zhang L, Wang Z, Xiao X, Zhu L. An investigation of the droplet size distributions in a cyclone reactor for liquid‐liquid heterogeneous reactions using FBRM and PVM. CAN J CHEM ENG 2020. [DOI: 10.1002/cjce.23727] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Mingyang Zhang
- School of Thermal EngineeringShandong Jianzhu University Jinan China
| | - Xiaoyu Li
- College of Mechanical and Electronic EngineeringShandong University of Science and Technology Qingdao China
| | - Linhua Zhang
- School of Thermal EngineeringShandong Jianzhu University Jinan China
| | - Zhenbo Wang
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Shandong China
| | - Xue Xiao
- Shenhua Ningxia Coal Industry Group Co. Ltd. Yinchuan China
| | - Liyun Zhu
- State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Shandong China
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11
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Tasqeeruddin S, Asiri Y, Alsherhri JA. An Efficient and Green Microwave-Assisted Synthesis of Quinoline DerivativesviaKnoevengal Condensation. LETT ORG CHEM 2020. [DOI: 10.2174/1570178616666190618153721] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:We have developed an efficient and green synthesis of quinoline derivatives using L-proline under Knoevenagel condensation. L-proline was found to be an efficient catalyst for the Knoevenagel condensation of substituted 2-aminoaryl ketones 1 with the active methylene compounds 2, affording quinolone derivatives 3. The reaction has been done under conventional as well as under microwave conditions. The latter procedure has been found to be much more efficient in terms of time and yield.
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Affiliation(s)
- Syed Tasqeeruddin
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Yahya Asiri
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, AbhaDepartment of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Jaber Abdullah Alsherhri
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
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12
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Microwave-Assisted Palladium-Catalyzed Cross-Coupling Reactions: Generation of Carbon–Carbon Bond. Catalysts 2019. [DOI: 10.3390/catal10010004] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Cross-coupling reactions furnishing carbon–carbon (C–C) bond is one of the most challenging tasks in organic syntheses. The early developed reaction protocols by Negishi, Heck, Kumada, Sonogashira, Stille, Suzuki, and Hiyama, utilizing palladium or its salts as catalysis have, for decades, attracted and inspired researchers affiliated with academia and industry. Tremendous efforts have been paid to develop and achieve more sustainable reaction conditions, such as the reduction in energy consumption by applying the microwave irradiation technique. Chemical reactions under controlled microwave conditions dramatically reduce the reaction time and therefore resulting in increase in the yield of the desired product by minimizing the formation of side products. In this review, we mainly focus on the recent advances and applications of palladium catalyzed cross-coupling carbon–carbon bond formation under microwave technology.
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13
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Highly recoverable, reusable, cost-effective, and Schiff base functionalized pectin supported Pd(II) catalyst for microwave-accelerated Suzuki cross-coupling reactions. Int J Biol Macromol 2019; 127:232-239. [DOI: 10.1016/j.ijbiomac.2019.01.046] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 12/26/2018] [Accepted: 01/10/2019] [Indexed: 11/20/2022]
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14
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Suzuki–Miyaura Coupling Using Monolithic Pd Reactors and Scaling-Up by Series Connection of the Reactors. Catalysts 2019. [DOI: 10.3390/catal9030300] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The space integration of the lithiation of aryl halides, the borylation of aryllithiums, and Suzuki–Miyaura coupling using a Pd catalyst supported by a polymer monolith flow reactor without using an intentionally added base was achieved. To scale up the process, a series connection of the monolith Pd reactor was examined. To suppress the increase in the pressure drop caused by the series connection, a monolith reactor having larger pore sizes was developed by varying the temperature of the monolith preparation. The monolithic Pd reactor having larger pore sizes enabled Suzuki–Miyaura coupling at a higher flow rate because of a lower pressure drop and, therefore, an increase in productivity. The present study indicates that series connection of the reactors with a higher flow rate serves as a good method for increasing the productivity without decreasing the yields.
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15
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Exposito AJ, Bai Y, Tchabanenko K, Rebrov EV, Cherkasov N. Process Intensification of Continuous-Flow Imine Hydrogenation in Catalyst-Coated Tube Reactors. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b06058] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Antonio J. Exposito
- Stoli Catalysts Ltd., Coventry CV3 4DS, United Kingdom
- School of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Yang Bai
- Stoli Catalysts Ltd., Coventry CV3 4DS, United Kingdom
- School of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Kirill Tchabanenko
- School of Chemistry and Chemical Engineering, Queen’s University, Belfast BT9 5AG, United Kingdom
| | - Evgeny V. Rebrov
- Stoli Catalysts Ltd., Coventry CV3 4DS, United Kingdom
- School of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
- Department of Biotechnology and Chemistry, Tver State Technical University, Naberezhnaya Afanasiya Nikitina 22, Tver 170026, Russia
| | - Nikolay Cherkasov
- Stoli Catalysts Ltd., Coventry CV3 4DS, United Kingdom
- School of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
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16
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Ramaotsoa GV, Strydom I, Panayides JL, Riley D. Immobilized tetrakis(triphenylphosphine)palladium(0) for Suzuki–Miyaura coupling reactions under flow conditions. REACT CHEM ENG 2019. [DOI: 10.1039/c8re00235e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
An immobilized triphenylphosphine scaffold was prepared by precipitation polymerization and functionalized to afford a cost-effective source of solid-supported tetrakis(triphenylphosphine)palladium(0).
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Affiliation(s)
- G. Valerie Ramaotsoa
- Faculty of Natural and Agricultural Sciences
- University of Pretoria
- Pretoria
- South Africa
- Council for Scientific and Industrial Research (CSIR)
| | - Ian Strydom
- Faculty of Natural and Agricultural Sciences
- University of Pretoria
- Pretoria
- South Africa
| | | | - Darren Riley
- Faculty of Natural and Agricultural Sciences
- University of Pretoria
- Pretoria
- South Africa
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17
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Egami H, Hamashima Y. Practical and Scalable Organic Reactions with Flow Microwave Apparatus. CHEM REC 2018; 19:157-171. [PMID: 30511806 DOI: 10.1002/tcr.201800132] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 10/12/2018] [Indexed: 01/01/2023]
Abstract
Microwave irradiation has been used for accelerating organic reactions as a heating method and has been proven to be useful in laboratory scale organic synthesis. The major drawback of microwave chemistry is the difficulty in scaling up, mainly because of the low penetration depth of microwaves. The combination of microwave chemistry and flow chemistry is considered to overcome the problem in scaling up of microwave-assisted organic reactions, and some flow microwave systems have been developed in both academic and industrial communities. In this context, we have demonstrated the scale-up of fundamental organic reactions using a novel flow microwave system developed by the academic-industrial alliance between the University of Shizuoka, Advanced Industrial Science and Technology, and SAIDA FDS. In this Personal Account, we summarize the recent progress of our scalable microwave-assisted continuous synthesis using the SAIDA flow microwave apparatus.
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Affiliation(s)
- Hiromichi Egami
- School of Pharmaceutical Sciences, University of Shizuoka 52-1 Yada, Suruga-ku, Shizuoka, Japan
| | - Yoshitaka Hamashima
- School of Pharmaceutical Sciences, University of Shizuoka 52-1 Yada, Suruga-ku, Shizuoka, Japan
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18
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Barham JP, Koyama E, Norikane Y, Ohneda N, Yoshimura T. Microwave Flow: A Perspective on Reactor and Microwave Configurations and the Emergence of Tunable Single‐Mode Heating Toward Large‐Scale Applications. CHEM REC 2018; 19:188-203. [DOI: 10.1002/tcr.201800104] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 10/17/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Joshua P. Barham
- Electronics and Photonics Research InstituteNational Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi Tsukuba, Ibaraki 305-8568 Japan
| | - Emiko Koyama
- Electronics and Photonics Research InstituteNational Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi Tsukuba, Ibaraki 305-8568 Japan
| | - Yasuo Norikane
- Electronics and Photonics Research InstituteNational Institute of Advanced Industrial Science and Technology Tsukuba Central 5, 1-1-1 Higashi Tsukuba, Ibaraki 305-8568 Japan
| | - Noriyuki Ohneda
- SAIDA FDS, INC. 143-10 Isshiki Yaizu, Shizuoka 425-0054 Japan
| | - Takeo Yoshimura
- SAIDA FDS, INC. 143-10 Isshiki Yaizu, Shizuoka 425-0054 Japan
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19
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Koyama E, Ito N, Sugiyama JI, Barham JP, Norikane Y, Azumi R, Ohneda N, Ohno Y, Yoshimura T, Odajima H, Okamoto T. A continuous-flow resonator-type microwave reactor for high-efficiency organic synthesis and Claisen rearrangement as a model reaction. J Flow Chem 2018. [DOI: 10.1007/s41981-018-0021-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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20
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Monguchi Y, Ichikawa T, Yamada T, Sawama Y, Sajiki H. Continuous-Flow Suzuki-Miyaura and Mizoroki-Heck Reactions under Microwave Heating Conditions. CHEM REC 2018; 19:3-14. [PMID: 30182484 DOI: 10.1002/tcr.201800063] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 08/17/2018] [Indexed: 01/11/2023]
Abstract
Microwave-assisted continuous-flow reactions have attracted significant interest from synthetic organic chemists, especially process chemists from practical points of view, due to a less complicated shift to large-scale synthesis based on simple and continuous access to products with low energy requirements. In this personal account, we focused on the Suzuki-Miyaura and Mizoroki-Heck reactions, both of which are significantly important cross-coupling reactions for the synthesis of various functional materials. Microwave power is effective for heating. Typical homogeneous palladium catalysts, such as PdCl2 (PPh3 )2 , Pd(PPh3 )4 , and Pd(OAc)2 , as well as heterogeneous palladium catalysts, such as Pd-film, Pd/Al2 O3 , Pd/SiO2 , and Pd supported on polymers, can be used for these reactions.
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Affiliation(s)
- Yasunari Monguchi
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan.,Laboratory of Organic Chemistry, Daiichi University of Pharmacy, 22-1 Tamagawa-cho, Minami-ku, Fukuoka, 815-8511, Japan
| | - Tomohiro Ichikawa
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan
| | - Tsuyoshi Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan
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21
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Fiebor A, Tia R, Makhubela BCE, Kinfe HH. Water-soluble SNS cationic palladium(II) complexes and their Suzuki-Miyaura cross-coupling reactions in aqueous medium. Beilstein J Org Chem 2018; 14:1859-1870. [PMID: 30112091 PMCID: PMC6071702 DOI: 10.3762/bjoc.14.160] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 06/26/2018] [Indexed: 12/31/2022] Open
Abstract
Unlike their SCS analogues, SNS pincer complexes are poorly studied for their use in coupling reactions. Accordingly, a series of water soluble cationic Pd(II) SNS pincer complexes have been successfully synthesised and investigated in detail for their catalytic activity in Suzuki-Miyaura coupling reactions. By using only 0.5 mol % loading of the complexes, the coupling of inactivated aryl bromides and activated aryl chlorides with various boronic acids in water was achieved in excellent yields and the catalysts were found to be reusable for three cycles without a significant loss of activity. The investigation of the mechanism of the reaction revealed that a Pd(II) to Pd(IV) route is the more likely pathway which was further supported by computational studies.
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Affiliation(s)
- Alphonse Fiebor
- Department of Chemistry, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa
| | - Richard Tia
- Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Banothile C E Makhubela
- Department of Chemistry, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa
| | - Henok H Kinfe
- Department of Chemistry, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa
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22
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Egami H, Tamaoki S, Abe M, Ohneda N, Yoshimura T, Okamoto T, Odajima H, Mase N, Takeda K, Hamashima Y. Scalable Microwave-Assisted Johnson–Claisen Rearrangement with a Continuous Flow Microwave System. Org Process Res Dev 2018. [DOI: 10.1021/acs.oprd.8b00185] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Hiromichi Egami
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan
| | - Souma Tamaoki
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan
| | - Masato Abe
- Applied Chemistry and Biochemical Engineering Course, Department of Engineering, Graduate School of Integrated Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8561, Japan
| | - Noriyuki Ohneda
- SAIDA FDS Inc., 143-10 Isshiki, Yaizu, Shizuoka 425-0054, Japan
| | - Takeo Yoshimura
- SAIDA FDS Inc., 143-10 Isshiki, Yaizu, Shizuoka 425-0054, Japan
| | - Tadashi Okamoto
- SAIDA FDS Inc., 143-10 Isshiki, Yaizu, Shizuoka 425-0054, Japan
| | | | - Nobuyuki Mase
- Applied Chemistry and Biochemical Engineering Course, Department of Engineering, Graduate School of Integrated Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8561, Japan
| | - Kazuhiro Takeda
- Applied Chemistry and Biochemical Engineering Course, Department of Engineering, Graduate School of Integrated Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8561, Japan
| | - Yoshitaka Hamashima
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan
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23
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Wilson M, Kore R, Ritchie A, Fraser R, Beaumont S, Srivastava R, Badyal J. Palladium–poly(ionic liquid) membranes for permselective sonochemical flow catalysis. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.02.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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24
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25
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Continuous flow reaction system for the synthesis of 2,2,2-trichloroacetophenone derivatives and its application. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.01.067] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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26
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Godeffroy L, Chau F, Buriez O, Labbé E. Fast and complete electrochemical conversion of solutes contained in micro-volume water droplets. Electrochem commun 2018. [DOI: 10.1016/j.elecom.2017.12.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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27
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Kishimoto F, Leong KH, Kawamura S, Haneishi N, Tsubaki S, Wada Y. Acceleration of Water Electrolysis by Accumulation of Microwave Energy at a Pt Disk Electrode. CHEM LETT 2017. [DOI: 10.1246/cl.170686] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Fuminao Kishimoto
- Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1-E4-3 Ookayama, Meguro, Tokyo 152-8552
| | - Kah Hon Leong
- Faculty of Engineering and Green Technology, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, 31900 Kampar, Perak, Malaysia
| | - Shinichiro Kawamura
- Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1-E4-3 Ookayama, Meguro, Tokyo 152-8552
| | - Naoto Haneishi
- Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1-E4-3 Ookayama, Meguro, Tokyo 152-8552
| | - Shuntaro Tsubaki
- School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-3 Ookayama, Meguro, Tokyo 152-8552
| | - Yuji Wada
- School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-3 Ookayama, Meguro, Tokyo 152-8552
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28
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Yamada YMA. Development of Batch and Flow Immobilized Catalytic Systems with High Catalytic Activity and Reusability. Chem Pharm Bull (Tokyo) 2017; 65:805-821. [PMID: 28867707 DOI: 10.1248/cpb.c17-00349] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
My mission in catalysis research is to develop highly active and reusable supported catalytic systems in terms of fundamental chemistry and industrial application. For this purpose, I developed three types of highly active and reusable supported catalytic systems. The first type involves polymeric base-supported metal catalysts: Novel polymeric imidazole-Pd and Cu complexes were developed that worked at the mol ppm level for a variety of organic transformations. The second involves catalytic membrane-installed microflow reactors: Membranous polymeric palladium and copper complex/nanoparticle catalysts were installed at the center of a microtube to produce novel catalytic membrane-immobilized flow microreactor devices. These catalytic devices mediated a variety of organic transformations to afford the corresponding products in high yield within 1-38 s. The third is a silicon nanowire array-immobilized palladium nanoparticle catalyst. This device promoted a variety of organic transformations as a heterogeneous catalyst. The Mizoroki-Heck reaction proceeded with 280 mol ppb (0.000028 mol%) of the catalyst, affording the corresponding products in high yield.
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29
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Alex H, Loos P, Baramov T, Barry J, Godiawala T, Hassfeld J, Steinfeldt N. Polymer Encapsulated Cobalt-Based Catalysts (Co EnCatTM
) for Selective Continuous Hydrogenation of 1-Iodo-4-nitrobenzene. ChemCatChem 2017. [DOI: 10.1002/cctc.201700391] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Hannes Alex
- Leibniz-Institut für Katalyse e.V.; Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Patrick Loos
- Leibniz-Institut für Katalyse e.V.; Albert-Einstein-Str. 29a 18059 Rostock Germany
- Bayer AG; Friedrich-Ebert-Str. 217-333 42117 Wuppertal Germany
- Present address: Mercachem B.V.; Kerkenbos 1013 6546 BB Nijmegen The Netherlands
| | - Todor Baramov
- Leibniz-Institut für Katalyse e.V.; Albert-Einstein-Str. 29a 18059 Rostock Germany
- Bayer AG; Friedrich-Ebert-Str. 217-333 42117 Wuppertal Germany
| | - John Barry
- Reaxa Limited, BioHub; Alderley Edge Cheshire SK10 4TG United Kingdom
| | - Tanmay Godiawala
- Reaxa Limited, BioHub; Alderley Edge Cheshire SK10 4TG United Kingdom
| | - Jorma Hassfeld
- Bayer AG; Friedrich-Ebert-Str. 217-333 42117 Wuppertal Germany
| | - Norbert Steinfeldt
- Leibniz-Institut für Katalyse e.V.; Albert-Einstein-Str. 29a 18059 Rostock Germany
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30
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Liu X, Li Y, Xing Z, Zhao X, Liu N, Chen F. Monolithic carbon foam-supported Au nanoparticles with excellent catalytic performance in a fixed-bed system. NEW J CHEM 2017. [DOI: 10.1039/c7nj03018e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A MCF/Au monolith can be innovatively utilized to construct a fixed-bed system, which exhibits exceptional reduction performance for 4-nitrophenol.
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Affiliation(s)
- Xiang Liu
- Zhenjiang Key Laboratory of Functional Chemistry & Institute of Medicine & Chemical Engineering
- Zhenjiang College
- Zhenjiang 212000
- China
- Biofuels Institute of Jiangsu University
| | - Yan Li
- School of Pharmacy
- Taizhou Polytechnic College
- Taizhou 225300
- China
| | - Zheng Xing
- Zhenjiang Key Laboratory of Functional Chemistry & Institute of Medicine & Chemical Engineering
- Zhenjiang College
- Zhenjiang 212000
- China
| | - Xiaohua Zhao
- School of Materials Science and Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Ningning Liu
- Zhenjiang Key Laboratory of Functional Chemistry & Institute of Medicine & Chemical Engineering
- Zhenjiang College
- Zhenjiang 212000
- China
| | - Fangyuan Chen
- Zhenjiang Key Laboratory of Functional Chemistry & Institute of Medicine & Chemical Engineering
- Zhenjiang College
- Zhenjiang 212000
- China
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31
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Tsyganov DV, Krayushkin MM, Konyushkin LD, Strelenko YA, Semenova MN, Semenov VV. Facile Synthesis of Natural Alkoxynaphthalene Analogues from Plant Alkoxybenzenes. JOURNAL OF NATURAL PRODUCTS 2016; 79:923-928. [PMID: 26910798 DOI: 10.1021/acs.jnatprod.5b01007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Analogues of the bioactive natural alkoxynaphthalene pycnanthulignene D were synthesized by an efficient method. The starting plant allylalkoxybenzenes (1) are easily available from the plant essential oils of sassafras, dill, and parsley. The target 1-arylalkoxynaphthalenes (5) exhibited antiproliferative activity in a phenotypic sea urchin embryo assay.
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Affiliation(s)
- Dmitry V Tsyganov
- N. D. Zelinsky Institute of Organic Chemistry, RAS , Leninsky Prospect, 47, 119991, Moscow, Russian Federation
| | - Mikhail M Krayushkin
- N. D. Zelinsky Institute of Organic Chemistry, RAS , Leninsky Prospect, 47, 119991, Moscow, Russian Federation
| | - Leonid D Konyushkin
- N. D. Zelinsky Institute of Organic Chemistry, RAS , Leninsky Prospect, 47, 119991, Moscow, Russian Federation
| | - Yuri A Strelenko
- N. D. Zelinsky Institute of Organic Chemistry, RAS , Leninsky Prospect, 47, 119991, Moscow, Russian Federation
| | - Marina N Semenova
- Institute of Developmental Biology, RAS , Vavilov Street, 26, 119334, Moscow, Russian Federation
- Chemical Block Ltd. , 3 Kyriacou Matsi, 3723, Limassol, Cyprus
| | - Victor V Semenov
- N. D. Zelinsky Institute of Organic Chemistry, RAS , Leninsky Prospect, 47, 119991, Moscow, Russian Federation
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32
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Cole KP, Campbell BM, Forst MB, McClary Groh J, Hess M, Johnson MD, Miller RD, Mitchell D, Polster CS, Reizman BJ, Rosemeyer M. An Automated Intermittent Flow Approach to Continuous Suzuki Coupling. Org Process Res Dev 2016. [DOI: 10.1021/acs.oprd.6b00030] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Kevin P. Cole
- Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | | | - Mindy B. Forst
- Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | | | - Molly Hess
- Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | | | | | - David Mitchell
- Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | | | | | - Morgan Rosemeyer
- D&M Continuous Solutions, LLC, Greenwood, Indiana 46143, United States
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33
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Mussel-inspired Functionalization of Cotton for Nano-catalyst Support and Its Application in a Fixed-bed System with High Performance. Sci Rep 2016; 6:21904. [PMID: 26902657 PMCID: PMC4763215 DOI: 10.1038/srep21904] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Accepted: 01/29/2016] [Indexed: 11/16/2022] Open
Abstract
Inspired by the composition of adhesive and reductive proteins secreted by marine mussels, polydopamine (PDA) was used to coat cotton microfiber (CMF), and then acted as reducing agent for the growth of Pd nanoparticles on PDA coated CMF (PDA@CMF) composites. The resultant CMF@PDA/Pd composites were then packed in a column for the further use in fixed-bed system. For the catalysis of the reduction of 4-nitrophenol, the flow rate of the 4-aminophenol solution (0.5 mM) was as high as 60 mL/min. The obtained fixed-bed system even exhibited superior performance to conventional batch reaction process because it greatly facilitated the efficiency of the catalytic fibers. Consequently, its turnover frequency (TOF) was up to 1.587 min−1, while the TOF in the conventional batch reaction was 0.643 min−1. The catalytic fibers also showed good recyclability, which can be recycled for nine successive cycles without a loss of activity. Furthermore, the catalytic system based on CMF@PDA/Pd can also be applied for Suzuki coupling reaction with the iodobenzene conversion up to 96.7%. The strategy to prepare CMF@PDA/Pd catalytic fixed bed was simple, economical and scalable, which can also be applied for coating different microfibers and loading other noble metal nanoparticles, was amenable for automated industrial processes.
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34
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Chartoire A, Claver C, Corpet M, Krinsky J, Mayen J, Nelson D, Nolan SP, Peñafiel I, Woodward R, Meadows RE. Recyclable NHC Catalyst for the Development of a Generalized Approach to Continuous Buchwald–Hartwig Reaction and Workup. Org Process Res Dev 2016. [DOI: 10.1021/acs.oprd.5b00349] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anthony Chartoire
- EaStCHEM
School of Chemistry, University of St Andrews, North Haugh, St
Andrews, Fife, KY16 9ST, United Kingdom
| | - Carmen Claver
- Department
of Physical and Inorganic Chemistry, Universitat Rovira i Virgili, C/Marcelli
Domingo s/n, Campus Sescelades, 43007, Tarragona, Spain
| | - Martin Corpet
- EaStCHEM
School of Chemistry, University of St Andrews, North Haugh, St
Andrews, Fife, KY16 9ST, United Kingdom
| | - Jamin Krinsky
- Department
of Physical and Inorganic Chemistry, Universitat Rovira i Virgili, C/Marcelli
Domingo s/n, Campus Sescelades, 43007, Tarragona, Spain
| | - Julie Mayen
- EaStCHEM
School of Chemistry, University of St Andrews, North Haugh, St
Andrews, Fife, KY16 9ST, United Kingdom
| | - David Nelson
- EaStCHEM
School of Chemistry, University of St Andrews, North Haugh, St
Andrews, Fife, KY16 9ST, United Kingdom
| | - Steven P. Nolan
- EaStCHEM
School of Chemistry, University of St Andrews, North Haugh, St
Andrews, Fife, KY16 9ST, United Kingdom
| | - Itziar Peñafiel
- Department
of Physical and Inorganic Chemistry, Universitat Rovira i Virgili, C/Marcelli
Domingo s/n, Campus Sescelades, 43007, Tarragona, Spain
| | - Robert Woodward
- Pharmaceutical
Development, AstraZeneca, Silk Road Business Park, Macclesfield, SK10 2NA, United Kingdom
| | - Rebecca E. Meadows
- Pharmaceutical
Development, AstraZeneca, Silk Road Business Park, Macclesfield, SK10 2NA, United Kingdom
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35
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Nagaki A, Hirose K, Moriwaki Y, Mitamura K, Matsukawa K, Ishizuka N, Yoshida J. Integration of borylation of aryllithiums and Suzuki–Miyaura coupling using monolithic Pd catalyst. Catal Sci Technol 2016. [DOI: 10.1039/c5cy02098k] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Integration of the preparation of arylboronic esters and Suzuki–Miyaura coupling using monolithic Pd catalyst was successfully achieved.
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Affiliation(s)
- A. Nagaki
- Department of Synthetic Chemistry and Biological Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615–8510
- Japan
| | - K. Hirose
- Department of Synthetic Chemistry and Biological Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615–8510
- Japan
| | - Y. Moriwaki
- Department of Synthetic Chemistry and Biological Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615–8510
- Japan
| | - K. Mitamura
- Emaus Kyoto Inc. R&Ds
- Ukyo-ku, Kyoto 615–0055
- Japan
| | - K. Matsukawa
- Emaus Kyoto Inc. R&Ds
- Ukyo-ku, Kyoto 615–0055
- Japan
| | - N. Ishizuka
- Osaka Municipal Technical Research Institute
- Electronic Material Research Division
- Osaka 536–8553
- Japan
| | - J. Yoshida
- Department of Synthetic Chemistry and Biological Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615–8510
- Japan
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36
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Sadjadi S, Heravi MM. Pd(0) encapsulated nanocatalysts as superior catalytic systems for Pd-catalyzed organic transformations. RSC Adv 2016. [DOI: 10.1039/c6ra18049c] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
In the last decade, Pd(0) nanoparticles have attracted increasing attention due to their outstanding utility as nanocatalysts in a wide variety of key chemical reactions.
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Affiliation(s)
- S. Sadjadi
- Iran Polymer and Petrochemical Institute
- Tehran
- Iran
| | - M. M. Heravi
- Department of Chemistry
- School of Science
- Alzahra University
- Tehran
- Iran
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37
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Price GA, Bogdan AR, Aguirre AL, Iwai T, Djuric SW, Organ MG. Continuous flow Negishi cross-couplings employing silica-supported Pd-PEPPSI–IPr precatalyst. Catal Sci Technol 2016. [DOI: 10.1039/c6cy00331a] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of a triethoxysilyl functionalisedPd-PEPPSI–IPrcomplex preparedviaazide–alkyne cycloaddition is described.
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38
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Flow Synthesis of 2-Methylpyridines via α-Methylation. Molecules 2015; 20:15797-806. [PMID: 26334262 PMCID: PMC6332231 DOI: 10.3390/molecules200915797] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 08/20/2015] [Accepted: 08/21/2015] [Indexed: 11/29/2022] Open
Abstract
A series of simple 2-methylpyridines were synthesized in an expedited and convenient manner using a simplified bench-top continuous flow setup. The reactions proceeded with a high degree of selectivity, producing α-methylated pyridines in a much greener fashion than is possible using conventional batch reaction protocols. Eight 2-methylated pyridines were produced by progressing starting material through a column packed with Raney® nickel using a low boiling point alcohol (1-propanol) at high temperature. Simple collection and removal of the solvent gave products in very good yields that were suitable for further use without additional work-up or purification. Overall, this continuous flow method represents a synthetically useful protocol that is superior to batch processes in terms of shorter reaction times, increased safety, avoidance of work-up procedures, and reduced waste. A brief discussion of the possible mechanism(s) of the reaction is also presented which involves heterogeneous catalysis and/or a Ladenberg rearrangement, with the proposed methyl source as C1 of the primary alcohol.
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39
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Abstract
Nanocatalysis in flow is catalysis by metallic nanoparticles (NPs; 1-50 nm) performed in microstructured reactors. These catalytic processes make use of the enhanced catalytic activity and selectivity of NPs and fulfill the requirements of green chemistry. Anchoring catalytically active metal NPs within a microfluidic reactor enhances the reagent/catalyst interaction, while avoiding diffusion limitations experienced in classical approaches. Different strategies for supporting NPs are reviewed herein, namely, packed-bed reactors, monolithic flow-through reactors, wall catalysts, and a selection of novel approaches (NPs embedded on nanotubes, nanowires, catalytic membranes, and magnetic NPs). Through a number of catalytic reactions, such as hydrogenations, oxidations, and cross-coupling reactions, the advantages and possible drawbacks of each approach are illustrated.
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Affiliation(s)
- Roberto Ricciardi
- Lab of Molecular Nanofabrication, Mesa+ Institute for Nanotechnology, University of Twente, P.O. Box 217, Enschede, 7500 AE (Netherlands)
| | - Jurriaan Huskens
- Lab of Molecular Nanofabrication, Mesa+ Institute for Nanotechnology, University of Twente, P.O. Box 217, Enschede, 7500 AE (Netherlands)
| | - Willem Verboom
- Lab of Molecular Nanofabrication, Mesa+ Institute for Nanotechnology, University of Twente, P.O. Box 217, Enschede, 7500 AE (Netherlands).
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40
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da Silva JFM, Yepes Perez AF, de Almeida NP. Phosphine-Free Suzuki Cross-Coupling Reaction Using an Efficient and Reusable Pd Catalyst in an Aqueous Medium Under Microwave Irradiation. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1057289] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - Andres F. Yepes Perez
- Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Facultad de Ciencias Físicas Exactas y Naturales, Universidad de Santander (UDES), Bucaramanga, Colombia
| | - Natália P. de Almeida
- Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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41
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Mitic A, Gernaey KV. Process Intensification Tools in the Small-Scale Pharmaceutical Manufacturing of Small Molecules. Chem Eng Technol 2015. [DOI: 10.1002/ceat.201400765] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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42
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Polenz I, Weitz DA, Baret JC. Polyurea microcapsules in microfluidics: surfactant control of soft membranes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:1127-34. [PMID: 25531127 DOI: 10.1021/la5040189] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Interfacial polymerization techniques offer a versatile route for microcapsule synthesis. We designed a microfluidic process to synthesize monodisperse polyurea microcapsules (PUMCs); the microcapsules are formed by an interfacial polymerization of isocyanate dissolved in the oil and an amine dissolved in water. We measure the mechanical properties of the capsule as well as transport properties through the membrane using two microfluidic methods. We show that the elasticity and the permeability of the shell are controlled by surfactant additives, added during the synthesis. The control of the nanostructure of the shell by surfactants provides new means to design encapsulation systems with tailored mechanical and physicochemical properties.
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Affiliation(s)
- Ingmar Polenz
- Max Planck Institute for Dynamics and Self-Organization, Am Fassberg 17, 37077 Göttingen, Germany
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43
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Greco R, Goessler W, Cantillo D, Kappe CO. Benchmarking Immobilized Di- and Triarylphosphine Palladium Catalysts for Continuous-Flow Cross-Coupling Reactions: Efficiency, Durability, and Metal Leaching Studies. ACS Catal 2015. [DOI: 10.1021/cs5020089] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Roberto Greco
- Institute of Chemistry, University of Graz, NAWI
Graz, Heinrichstrasse 28, A-8010 Graz, Austria
| | - Walter Goessler
- Institute of Chemistry, University of Graz, NAWI
Graz, Heinrichstrasse 28, A-8010 Graz, Austria
| | - David Cantillo
- Institute of Chemistry, University of Graz, NAWI
Graz, Heinrichstrasse 28, A-8010 Graz, Austria
| | - C. Oliver Kappe
- Institute of Chemistry, University of Graz, NAWI
Graz, Heinrichstrasse 28, A-8010 Graz, Austria
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44
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Martínez AV, Invernizzi F, Leal-Duaso A, Mayoral JA, García JI. Microwave-promoted solventless Mizoroki–Heck reactions catalysed by Pd nanoparticles supported on laponite clay. RSC Adv 2015. [DOI: 10.1039/c4ra15418e] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Palladium nanoparticles supported on laponite efficiently catalyse solventless Mizoroki–Heck reactions activated by microwaves. High yields are obtained in a few minutes and the catalyst can be efficiently recovered and reused up to thirteen times.
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Affiliation(s)
- Alejandro V. Martínez
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- Departamento de Química Orgánica
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - Fabio Invernizzi
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- Departamento de Química Orgánica
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - Alejandro Leal-Duaso
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- Departamento de Química Orgánica
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - José A. Mayoral
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- Departamento de Química Orgánica
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - José I. García
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- Departamento de Química Orgánica
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
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45
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Martínez A, Krinsky JL, Peñafiel I, Castillón S, Loponov K, Lapkin A, Godard C, Claver C. Heterogenization of Pd–NHC complexes onto a silica support and their application in Suzuki–Miyaura coupling under batch and continuous flow conditions. Catal Sci Technol 2015. [DOI: 10.1039/c4cy00829d] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Immobilised Pd–NHC catalysts were successfully applied in Suzuki–Miyaura reaction under batch and flow conditions.
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Affiliation(s)
- Alberto Martínez
- Department of Physical and Inorganic Chemistry
- Universitat Rovira i Virgili
- C/ Marcel li Domingo s/n
- Campus Sescelades
- Tarragona
| | - Jamin L. Krinsky
- Department of Physical and Inorganic Chemistry
- Universitat Rovira i Virgili
- C/ Marcel li Domingo s/n
- Campus Sescelades
- Tarragona
| | - Itziar Peñafiel
- Department of Physical and Inorganic Chemistry
- Universitat Rovira i Virgili
- C/ Marcel li Domingo s/n
- Campus Sescelades
- Tarragona
| | - Sergio Castillón
- Department of Analytical and Organic Chemistry
- Universitat Rovira i Virgili
- C/ Marcel li Domingo s/n
- Campus Sescelades
- Tarragona
| | - Konstantin Loponov
- Department of Chemical Engineering and Biotechnology
- University of Cambridge
- New Museum Site
- UK
| | - Alexei Lapkin
- Department of Chemical Engineering and Biotechnology
- University of Cambridge
- New Museum Site
- UK
| | - Cyril Godard
- Department of Physical and Inorganic Chemistry
- Universitat Rovira i Virgili
- C/ Marcel li Domingo s/n
- Campus Sescelades
- Tarragona
| | - Carmen Claver
- Department of Physical and Inorganic Chemistry
- Universitat Rovira i Virgili
- C/ Marcel li Domingo s/n
- Campus Sescelades
- Tarragona
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46
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Kamptmann SB, Ley SV. Facilitating Biomimetic Syntheses of Borrerine Derived Alkaloids by Means of Flow-Chemical Methods. Aust J Chem 2015. [DOI: 10.1071/ch14530] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Flow chemistry is widely used nowadays in synthetic chemistry and has increasingly been applied to complex natural product synthesis. However, to date flow chemistry has not found a place in the area of biomimetic synthesis. Here we show the syntheses of borrerine derived alkaloids, indicating that we can use biomimetic principles in flow to prepare complex architectures in a single step.
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47
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Polenz I, Datta SS, Weitz DA. Controlling the morphology of polyurea microcapsules using microfluidics. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:13405-10. [PMID: 25320872 DOI: 10.1021/la503234z] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
We use microfluidics to continuously produce monodisperse polyurea microcapsules (PUMCs) having either aqueous or nonaqueous cores. The microcapsule shells are formed by the reaction between an isocyanate, dissolved in oil, and an amine, dissolved in water, at the surface of oil-in-water or water-in-oil drops immediately as they are formed. Different microcapsule morphologies can be generated using our approach. The thickness of the microcapsule shell increases with an increase in the amine solubility in the oil; this finding provides a simple mechanism by which the PUMC shell thickness can be controlled.
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Affiliation(s)
- Ingmar Polenz
- School of Engineering and Applied Sciences, Harvard University , 29 Oxford Street, Cambridge, Massachusetts 02138, United States
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48
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Cantillo D, Kappe CO. Immobilized Transition Metals as Catalysts for Cross-Couplings in Continuous Flow-A Critical Assessment of the Reaction Mechanism and Metal Leaching. ChemCatChem 2014. [DOI: 10.1002/cctc.201402483] [Citation(s) in RCA: 141] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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49
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Oger N, Le Grognec E, Felpin FX. Continuous-Flow Heck–Matsuda Reaction: Homogeneous versus Heterogeneous Palladium Catalysts. J Org Chem 2014; 79:8255-62. [DOI: 10.1021/jo501468z] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Nicolas Oger
- UFR Sciences et Techniques, UMR CNRS 6230,
CEISAM, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Erwan Le Grognec
- UFR Sciences et Techniques, UMR CNRS 6230,
CEISAM, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - François-Xavier Felpin
- UFR Sciences et Techniques, UMR CNRS 6230,
CEISAM, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
- Institut Universitaire de France, 103 blvd St. Michel, 75005 Paris Cedex 5, France
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50
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Patil NG, Benaskar F, Meuldijk J, Hulshof LA, Hessel V, Schouten JC, Esveld EDC, Rebrov EV. Microwave assisted flow synthesis: Coupling of electromagnetic and hydrodynamic phenomena. AIChE J 2014. [DOI: 10.1002/aic.14552] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Narendra G. Patil
- Laboratory of Chemical Reactor Engineering; Eindhoven University of Technology; P.O. Box 513, 5600 MB Eindhoven The Netherlands
| | - Faysal Benaskar
- Laboratory of Chemical Reactor Engineering; Eindhoven University of Technology; P.O. Box 513, 5600 MB Eindhoven The Netherlands
| | - Jan Meuldijk
- Laboratory of Chemical Reactor Engineering; Eindhoven University of Technology; P.O. Box 513, 5600 MB Eindhoven The Netherlands
| | - Lumbertus A. Hulshof
- Laboratory of Chemical Reactor Engineering; Eindhoven University of Technology; P.O. Box 513, 5600 MB Eindhoven The Netherlands
| | - Volker Hessel
- Laboratory of Chemical Reactor Engineering; Eindhoven University of Technology; P.O. Box 513, 5600 MB Eindhoven The Netherlands
| | - Jaap C. Schouten
- Laboratory of Chemical Reactor Engineering; Eindhoven University of Technology; P.O. Box 513, 5600 MB Eindhoven The Netherlands
| | - Erik D. C. Esveld
- Food and Biobased Research; Wageningen University; P.O. Box 17 6700 AA Wageningen The Netherlands
| | - Evgeny V. Rebrov
- School of Chemistry and Chemical Engineering; Queen's University Belfast; Stranmillis Road Belfast BT9 5AG United Kingdom
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