1
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Nuzhdin AL, Bukhtiyarova MV, Bukhtiyarova GA. Organic synthesis in flow mode by selective liquid-phase hydrogenation over heterogeneous non-noble metal catalysts. Org Biomol Chem 2024; 22:7936-7950. [PMID: 39254682 DOI: 10.1039/d4ob00873a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/11/2024]
Abstract
Flow hydrogenation performed over heterogeneous catalysts makes organic synthesis more economical, safe and environmentally friendly. Over the past two decades, a significant amount of research with a major focus on noble metal catalysts has been carried out in this area. However, catalysts based on non-noble metals (Ni, Cu, Co, etc.) are more promising for practical use due to their low cost and high availability. This review article discusses the use of supported and bulk non-noble metal catalysts for the liquid-phase hydrogenation of bi- and polyfunctional organic compounds in flow mode. The main attention is paid to the selective reduction of one functional group (NO2, CC, CN, CO, and CN) in the presence of other substituents. In addition, cascade synthetic protocols involving hydrogenation are presented.
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Affiliation(s)
- Alexey L Nuzhdin
- Boreskov Institute of Catalysis SB RAS, Novosibirsk 630090, Russia.
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2
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Ishitani H, Furiya Y, Ide A, Kobayashi S. Structure-Directed Quaternary Ammonium Hydroxide Resins: High-Performance Heterogeneous Base Catalysts for Continuous-Flow Carbon-Carbon Bond-Forming Reactions. J Org Chem 2024; 89:14081-14089. [PMID: 39321343 DOI: 10.1021/acs.joc.4c01506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2024]
Abstract
Quaternary ammonium hydroxide resins are widely recognized for their effectiveness as immobilized bases and are frequently utilized as commodity chemicals for anion-exchange applications. However, despite their accessibility, chemically controlling their properties has proven challenging, hindering research and development efforts toward their use as solid base catalysts. This study investigates the synthetic factors that are crucial for achieving high functional performance in polystyrene resins. Using commercially available resin as a benchmark and the continuous-flow Henry reaction as a model system, we explore and evaluate newly synthesized resin catalysts to maximize their basic catalytic activity.
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Affiliation(s)
- Haruro Ishitani
- Green & Sustainable Chemistry Cooperation Laboratory, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 133-0033, Japan
| | - Yuichi Furiya
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Akihiro Ide
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shu Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Green & Sustainable Chemistry Cooperation Laboratory, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 133-0033, Japan
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3
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Matsumoto H, Iwai T, Sawamura M, Miura Y. Continuous-Flow Catalysis Using Phosphine-Metal Complexes on Porous Polymers: Designing Ligands, Pores, and Reactors. Chempluschem 2024; 89:e202400039. [PMID: 38549362 DOI: 10.1002/cplu.202400039] [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: 01/18/2024] [Revised: 03/28/2024] [Indexed: 04/25/2024]
Abstract
Continuous-flow syntheses using immobilized catalysts can offer efficient chemical processes with easy separation and purification. Porous polymers have gained significant interests for their applications to catalytic systems in the field of organic chemistry. The porous polymers are recognized for their large surface area, high chemical stability, facile modulation of surface chemistry, and cost-effectiveness. It is crucial to immobilize transition-metal catalysts due to their difficult separation and high toxicity. Supported phosphine ligands represent a noteworthy system for the effective immobilization of metal catalysts and modulation of catalytic properties. Researchers have been actively pursuing strategies involving phosphine-metal complexes supported on porous polymers, aiming for high activities, durabilities, selectivities, and applicability to continuous-flow systems. This review provides a concise overview of phosphine-metal complexes supported on porous polymers for continuous-flow catalytic reactions. Polymer catalysts are categorized based on pore sizes, including micro-, meso-, and macroporous polymers. The characteristics of these porous polymers are explored concerning their efficiency in immobilized catalysis and continuous-flow systems.
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Affiliation(s)
- Hikaru Matsumoto
- Department of Chemical Engineering, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Tomohiro Iwai
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Masaya Sawamura
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Kita 21, Nishi 10, Kita-ku, Sapporo, 001-0021, Japan
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, 060-0810, Japan
| | - Yoshiko Miura
- Department of Chemical Engineering, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
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4
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Feng S, Su R. Synthetic Chemistry in Flow: From Photolysis & Homogeneous Photocatalysis to Heterogeneous Photocatalysis. CHEMSUSCHEM 2024; 17:e202400064. [PMID: 38608169 DOI: 10.1002/cssc.202400064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/08/2024] [Indexed: 04/14/2024]
Abstract
Photocatalytic synthesis of value-added chemicals has gained increasing attention in recent years owing to its versatility in driving many important reactions under ambient conditions. Selective hydrogenation, oxidation, coupling, and halogenation with a high conversion of the reactants have been realized using designed photocatalysts in batch reactors with small volumes at a laboratory scale; however, scaling-up remains a critical challenge due to inefficient utilization of incident light and active sites of the photocatalysts, resulting in poor catalytic performance that hinders its practical applications. Flow systems are considered one of the solutions for practical applications of light-driven reactions and have experienced great success in photolytic and homogeneous photocatalysis, yet their applications in heterogeneous photocatalysis are still under development. In this perspective, we have summarized recent progress in photolytic and photocatalytic synthetic chemistry performed in flow systems from the view of reactor design with a special focus on heterogeneous photocatalysis. The advantages and limitations of different flow systems, as well as some practical considerations of design strategies are discussed.
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Affiliation(s)
- Sitong Feng
- Soochow Institute for Energy and Materials Innovations (SIEMIS), Soochow University, 215006, Suzhou, China
| | - Ren Su
- Soochow Institute for Energy and Materials Innovations (SIEMIS), Soochow University, 215006, Suzhou, China
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5
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Kang JH, Kim DP. Ultrafast Flow Synthesis of o-Functionalized Benzenesulfonyl Fluorides and Subsequent SuFEx Connections via Lithiated Chemistry. Org Lett 2024. [PMID: 38780078 DOI: 10.1021/acs.orglett.4c01700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Herein we present a flow-based, rapid, and straightforward approach to synthesize diverse functionalized sulfonyl fluorides by harnessing an aryllithium intermediate. The aryllithium intermediate was fully utilized under optimized conditions (0.016 s, -18 °C) to afford various functionalized sulfonyl fluorides and also intramolecular SuFEx cyclization products in high yields (27-94%). Furthermore, the integrated synthesis incorporating subsequent SuFEx connections with even unstable organolithium nucleophiles facilitated one-flow molecular assembly in high yields (42-72%).
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Affiliation(s)
- Ji-Ho Kang
- Center for Intelligent Microprocess of Pharmaceutical Synthesis, Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Dong-Pyo Kim
- Center for Intelligent Microprocess of Pharmaceutical Synthesis, Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
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6
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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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7
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Laporte AAH, Masson TM, Zondag SDA, Noël T. Multiphasic Continuous-Flow Reactors for Handling Gaseous Reagents in Organic Synthesis: Enhancing Efficiency and Safety in Chemical Processes. Angew Chem Int Ed Engl 2024; 63:e202316108. [PMID: 38095968 DOI: 10.1002/anie.202316108] [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: 10/24/2023] [Indexed: 12/29/2023]
Abstract
The use of reactive gaseous reagents for the production of active pharmaceutical ingredients (APIs) remains a scientific challenge due to safety and efficiency limitations. The implementation of continuous-flow reactors has resulted in rapid development of gas-handling technology because of several advantages such as increased interfacial area, improved mass- and heat transfer, and seamless scale-up. This technology enables shorter and more atom-economic synthesis routes for the production of pharmaceutical compounds. Herein, we provide an overview of literature from 2016 onwards in the development of gas-handling continuous-flow technology as well as the use of gases in functionalization of APIs.
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Affiliation(s)
- Annechien A H Laporte
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Tom M Masson
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Stefan D A Zondag
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Timothy Noël
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
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8
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Kobayashi K, Tanaka T, Kon Y, Kawanami H, Koumura N. Enhancing continuous-flow reactions via compression-molding of solid catalysts and dilutants in packed-bed systems. RSC Adv 2024; 14:6598-6602. [PMID: 38390498 PMCID: PMC10882219 DOI: 10.1039/d3ra08088a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 02/15/2024] [Indexed: 02/24/2024] Open
Abstract
In this study, we present an improved packed-bed system designed for continuous-flow reactions using platinum (Pt)-black powder and silica gel (SiO2). The Pt-leaching from the reaction column is suppressed via compression-molding of the Pt and SiO2. Scanning electron microscopy results and particle-size distribution analysis demonstrate that crushed and downsized SiO2 is effective in suppressing outflow. Furthermore, we successfully conducted a scaled-up experiment of the flow reaction using a large column, achieving excellent productivity.
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Affiliation(s)
- Kwihwan Kobayashi
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
| | - Teruhiko Tanaka
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
| | - Yoshihiro Kon
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
| | - Hajime Kawanami
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
| | - Nagatoshi Koumura
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
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9
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Pollon D, Annunziata F, Paganelli S, Tamborini L, Pinto A, Fabris S, Baldo MA, Piccolo O. Improved Process for the Continuous Acylation of 1,3-Benzodioxole. Molecules 2024; 29:726. [PMID: 38338470 PMCID: PMC10856130 DOI: 10.3390/molecules29030726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/22/2024] [Accepted: 01/31/2024] [Indexed: 02/12/2024] Open
Abstract
The acylation of 1,3-benzodioxole was studied in a continuous process using a recyclable heterogeneous substoichiometric catalyst. In a short time period (30 min), at 100 °C, the conversion rate was 73%, with a selectivity of 62% of the desired acylated product; the reaction was run continuously for 6 h, showing excellent stability and selectivity. Moreover, the unreacted starting material, 1,3-benzodioxole, can be easily separated by distillation and recycled.
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Affiliation(s)
- Davide Pollon
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca’ Foscari Venezia, Via Torino 155, Venezia Mestre, 30170 Venezia, Italy; (D.P.); (S.P.); (S.F.); (M.A.B.)
| | - Francesca Annunziata
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Via Mangiagalli 25, 20133 Milano, Italy; (F.A.); (L.T.)
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l’Ambiente, Università degli Studi di Milano, Via Celoria 2, 20133 Milano, Italy;
| | - Stefano Paganelli
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca’ Foscari Venezia, Via Torino 155, Venezia Mestre, 30170 Venezia, Italy; (D.P.); (S.P.); (S.F.); (M.A.B.)
- Consorzio Interuniversitario Reattività Chimica e Catalisi (CIRCC), Via Celso Ulpiani 27, 70126 Bari, Italy
| | - Lucia Tamborini
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Via Mangiagalli 25, 20133 Milano, Italy; (F.A.); (L.T.)
| | - Andrea Pinto
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l’Ambiente, Università degli Studi di Milano, Via Celoria 2, 20133 Milano, Italy;
| | - Sabrina Fabris
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca’ Foscari Venezia, Via Torino 155, Venezia Mestre, 30170 Venezia, Italy; (D.P.); (S.P.); (S.F.); (M.A.B.)
| | - Maria Antonietta Baldo
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca’ Foscari Venezia, Via Torino 155, Venezia Mestre, 30170 Venezia, Italy; (D.P.); (S.P.); (S.F.); (M.A.B.)
| | - Oreste Piccolo
- Studio di Consulenza Scientifica SCSOP, Via Bornò 5, 23896 Sirtori, Italy
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10
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Vice A, Langer N, Reinhart B, Kedem O. Surface-Modified Pd/CeO 2 Single-Atom Catalyst Shows Increased Activity for Suzuki Cross-Coupling. Inorg Chem 2023; 62:21479-21486. [PMID: 38054605 DOI: 10.1021/acs.inorgchem.3c03649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Single-atom catalysts (SACs) comprise catalytically active atoms dispersed on supports; they combine the high activity and site uniformity of homogeneous catalysts with the ease of separability of heterogeneous catalysts. However, SACs lack fine control over the active site, provided by ligands in homogeneous catalysts. In this work, we demonstrate that modification of the support with an organic monolayer is a viable approach to improving the catalytic performance. The addition of catechol-type monolayers to a Pd/CeO2 SAC increases its catalytic activity for Suzuki cross-coupling, a central reaction in the synthesis of fine chemicals and pharmaceuticals. Kinetic trials reveal that the coating reduces the activation energy from 49 ± 9 to 22 ± 5 kJ/mol and produces a 4-fold rate enhancement at 25 °C, an effect we attribute to π-π interactions between the reactant and the catechol coating. Further development of this approach could vastly increase the utility of SACs in organic synthesis.
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Affiliation(s)
- Audrey Vice
- Department of Chemistry, Marquette University, P.O. Box 1881, Milwaukee, Wisconsin 53201-1881, United States
| | - Nicholas Langer
- Department of Chemistry, Marquette University, P.O. Box 1881, Milwaukee, Wisconsin 53201-1881, United States
| | - Benjamin Reinhart
- X-ray Science Division, Argonne National Laboratory, Argonne, Lemont, Illinois 60439, United States
| | - Ofer Kedem
- Department of Chemistry, Marquette University, P.O. Box 1881, Milwaukee, Wisconsin 53201-1881, United States
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11
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Griffiths A, Boyall SL, Müller P, Harrington JP, Sobolewska AM, Reynolds WR, Bourne RA, Wu K, Collins SM, Muldowney M, Chamberlain TW. MOF-based heterogeneous catalysis in continuous flow via incorporation onto polymer-based spherical activated carbon supports. NANOSCALE 2023; 15:17910-17921. [PMID: 37901966 DOI: 10.1039/d3nr03634k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
We present an approach to harnessing the tuneable catalytic properties of complex nanomaterials for continuous flow heterogeneous catalysis by combining them with the scalable and industrially implementable properties of carbon pelleted supports. This approach, in turn, will enable these catalytic materials, which largely currently exist in forms unsuitable for this application (e.g. powders), to be fully integrated into large scale, chemical processes. A composite heterogeneous catalyst consisting of a metal-organic framework-based Lewis acid, MIL-100(Sc), immobilised onto polymer-based spherical activated carbon (PBSAC) support has been developed. The material was characterised by focused ion beam-scanning electron microscopy-energy dispersive X-ray analysis, powder X-ray diffraction, N2 adsorption, thermogravimetric analysis, atomic absorption spectroscopy, light scattering and crush testing with the catalytic activity studied in continuous flow. The mechanically robust spherical geometry makes the composite material ideal for application in packed-bed reactors. The catalyst was observed to operate without any loss in activity at steady state for 9 hours when utilised as a Lewis acid catalyst for the intramolecular cyclisation of (±)-citronellal as a model reaction. This work paves the way for further development into the exploitation of MOF-based continuous flow heterogeneous catalysis.
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Affiliation(s)
- Anthony Griffiths
- Institute of Process Research and Development, School of Chemistry, University of Leeds, Leeds, UK.
| | - Sarah L Boyall
- Institute of Process Research and Development, School of Chemistry, University of Leeds, Leeds, UK.
| | - Pia Müller
- Institute of Process Research and Development, School of Chemistry, University of Leeds, Leeds, UK.
| | - John P Harrington
- Leeds Electron Microscopy and Spectroscopy Centre, LEMAS, Bragg Centre for Materials Research, University of Leeds, Leeds, LS2 9JT, UK
| | - Anna M Sobolewska
- Sterling Pharma Solutions Limited, Dudley, Cramlington, Northumberland, NE23 7QG, UK
| | - William R Reynolds
- Sterling Pharma Solutions Limited, Dudley, Cramlington, Northumberland, NE23 7QG, UK
| | - Richard A Bourne
- Institute of Process Research and Development, School of Chemistry, University of Leeds, Leeds, UK.
- School of Chemical and Process Engineering and School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK
| | - Kejun Wu
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P. R. China
- Institute of Zhejiang University-Quzhou, Quzhou 324000, P. R. China
| | - Sean M Collins
- School of Chemical and Process Engineering and School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK
| | - Mark Muldowney
- Sterling Pharma Solutions Limited, Dudley, Cramlington, Northumberland, NE23 7QG, UK
| | - Thomas W Chamberlain
- Institute of Process Research and Development, School of Chemistry, University of Leeds, Leeds, UK.
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12
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Maestro A, Nagy BS, Ötvös SB, Kappe CO. A Telescoped Continuous Flow Enantioselective Process for Accessing Intermediates of 1-Aryl-1,3-diols as Chiral Building Blocks. J Org Chem 2023; 88:15523-15529. [PMID: 37844195 PMCID: PMC10629223 DOI: 10.1021/acs.joc.3c02040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
A telescoped continuous flow process is reported for the enantioselective synthesis of chiral precursors of 1-aryl-1,3-diols, intermediates in the synthesis of ezetimibe, dapoxetine, duloxetine, and atomoxetine. The two-step sequence consists of an asymmetric allylboration of readily available aldehydes using a polymer-supported chiral phosphoric acid catalyst to introduce asymmetry, followed by selective epoxidation of the resulting alkene. The process is highly stable for at least 7 h and represents a transition-metal free enantioselective approach to valuable 1-aryl-1,3-diols.
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Affiliation(s)
- Aitor Maestro
- Department of Organic Chemistry I, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
- Institute of Chemistry, University of Graz, NAWI Graz, A-8010 Graz, Austria
| | - Bence S Nagy
- Institute of Chemistry, University of Graz, NAWI Graz, A-8010 Graz, Austria
| | - Sándor B Ötvös
- Institute of Chemistry, University of Graz, NAWI Graz, A-8010 Graz, Austria
- Center for Continuous Flow Synthesis and Processing (CC FLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), A-8010 Graz, Austria
| | - C Oliver Kappe
- Institute of Chemistry, University of Graz, NAWI Graz, A-8010 Graz, Austria
- Center for Continuous Flow Synthesis and Processing (CC FLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), A-8010 Graz, Austria
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13
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Lee TC, Tong Y, Fu WC. Advances in Continuous Flow Fluorination Reactions. Chem Asian J 2023; 18:e202300723. [PMID: 37707985 DOI: 10.1002/asia.202300723] [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: 08/17/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/16/2023]
Abstract
Fluorination reactions are important in constructing organofluorine motifs, which contribute to favorable biological properties in pharmaceuticals and agrochemicals. However, fluorination reagents and reactions are associated with various problems, such as their hazardous nature, high exothermicity, and poor selectivity and scalability. Continuous flow has emerged as a transformative technology to provide many advantages relative to batch syntheses. This review article summarizes recent continuous flow techniques that address the limitations and challenges of fluorination reactions. Approaches based on different flow techniques are discussed, including gas-liquid reactions, packed-bed reactors, in-line purifications, streamlined multistep synthesis, large-scale reactions well as flow photoredox- and electrocatalysis.
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Affiliation(s)
- Tsz Chun Lee
- Department of Chemistry, City University of Hong Kong, Tat Chee Ave, Kowloon, Hong Kong SAR, China
| | - Yi Tong
- Department of Chemistry, City University of Hong Kong, Tat Chee Ave, Kowloon, Hong Kong SAR, China
| | - Wai Chung Fu
- Department of Chemistry, City University of Hong Kong, Tat Chee Ave, Kowloon, Hong Kong SAR, China
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14
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Honda M, Zhang Y, Goto M. Isothiocyanate-functionalized silica as an efficient heterogeneous catalyst for carotenoid isomerization. Food Chem 2023; 410:135388. [PMID: 36621332 DOI: 10.1016/j.foodchem.2023.135388] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 01/02/2023] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
Daily consumption of carotenoids is associated with multiple health benefits, but their bioavailability is generally extremely low. In this context, the Z-isomerization is receiving attention as a method for increasing carotenoid bioavailability because this approach is superior to conventional physical approaches. Here we investigated the feasibility of using isothiocyanate-functionalized silica (Si-NCS) as a heterogeneous catalyst for carotenoid isomerization. We found that this catalyst promoted Z-isomerization of (all-E)-carotenoids with high efficiency, e.g., when lycopene and astaxanthin solutions were incubated at 50 °C with 10 mg/mL Si-NCS, their total Z-isomer ratios increased by approximately 80 and 50 %, respectively. Furthermore, the Z-isomerization was successfully performed continuously by introducing carotenoid solution into a column packed with Si-NCS. Materials rich in carotenoid Z-isomers have not been used in practical applications due to high production cost and quality limitations (e.g., low Z-isomer ratio). The use of Si-NCS has sufficient potential to solve both these issues.
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Affiliation(s)
- Masaki Honda
- Department of Chemistry, Faculty of Science & Technology, Meijo University, Shiogamaguchi, Tempaku-ku, Nagoya, Aichi 468-8502, Japan.
| | - Yelin Zhang
- Department of Chemistry, Faculty of Science & Technology, Meijo University, Shiogamaguchi, Tempaku-ku, Nagoya, Aichi 468-8502, Japan; Department of Materials Process Engineering, Nagoya University, Furo-cho, Nagoya, Aichi 464-8603, Japan
| | - Motonobu Goto
- Department of Materials Process Engineering, Nagoya University, Furo-cho, Nagoya, Aichi 464-8603, Japan; Super Critical Technology Centre Co. Ltd., Hanowari, Ooaza Izumi, Kuwana-shi, Mie 511-0838, Japan
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15
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Latos P, Wolny A, Chrobok A. Supported Ionic Liquid Phase Catalysts Dedicated for Continuous Flow Synthesis. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2106. [PMID: 36903221 PMCID: PMC10004067 DOI: 10.3390/ma16052106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/16/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
Heterogeneous catalysis, although known for over a century, is constantly improved and plays a key role in solving the present problems in chemical technology. Thanks to the development of modern materials engineering, solid supports for catalytic phases having a highly developed surface are available. Recently, continuous-flow synthesis started to be a key technology in the synthesis of high added value chemicals. These processes are more efficient, sustainable, safer and cheaper to operate. The most promising is the use of heterogeneous catalyst with column-type fixed-bed reactors. The advantages of the use of heterogeneous catalyst in continuous flow reactors are the physical separation of product and catalyst, as well as the reduction in inactivation and loss of the catalyst. However, the state-of-the-art use of heterogeneous catalysts in flow systems compared to homogenous ones remains still open. The lifetime of heterogeneous catalysts remains a significant hurdle to realise sustainable flow synthesis. The goal of this review article was to present a state of knowledge concerning the application of Supported Ionic Liquid Phase (SILP) catalysts dedicated for continuous flow synthesis.
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16
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Hydrogenation of Dinitrobenzenes to Corresponding Diamines Over Cu–Al Oxide Catalyst in a Flow Reactor. Catal Letters 2023. [DOI: 10.1007/s10562-023-04306-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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17
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Nowak-Król A, Dydio P. The 55 th Bürgenstock Conference under the Banner of Sustainability. Angew Chem Int Ed Engl 2022; 61:e202214722. [PMID: 36477955 DOI: 10.1002/anie.202214722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Indexed: 12/12/2022]
Affiliation(s)
- Agnieszka Nowak-Król
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry & Catalysis with Boron, Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Paweł Dydio
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000, Strasbourg, France
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18
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Kato T, Nagae H, Yonehara K, Kitano T, Nagashima H, Tanaka S, Oku T, Mashima K. Continuous Plug Flow Process for the Transesterification of Methyl Acrylate and 1,4-Butanediol by a Zn-Immobilized Catalyst for Producing 4-Hydroxybutyl Acrylate. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Taito Kato
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka560-8531, Japan
- Corporate Research Division, Nippon Shokubai Company Limited, Suita, Osaka564-0034, Japan
| | - Haruki Nagae
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka560-8531, Japan
| | - Koji Yonehara
- Innovation & Business Development Division, Nippon Shokubai Company Limited, Suita, Osaka564-0034, Japan
| | - Tomoyuki Kitano
- Corporate Research Division, Nippon Shokubai Company Limited, Suita, Osaka564-0034, Japan
| | - Hiroki Nagashima
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki305-8565, Japan
| | - Shinji Tanaka
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki305-8565, Japan
| | - Tomoharu Oku
- Corporate Research Division, Nippon Shokubai Company Limited, Suita, Osaka564-0034, Japan
| | - Kazushi Mashima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka560-8531, Japan
- Graduate School of Pharmaceutical Sciences, Osaka University, Yamadaoka, Suita, Osaka565-0871, Japan
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19
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Nowak‐Król A, Dydio P. The 55
th
Bürgenstock Conference under the Banner of Sustainability**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202214722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Agnieszka Nowak‐Król
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry & Catalysis with Boron Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Paweł Dydio
- University of Strasbourg CNRS ISIS UMR 7006 8 allée Gaspard Monge 67000 Strasbourg France
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20
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Pagliaro M, Della Pina C, Ciriminna R. Continuous Flow Single‐Atom Catalysis: A Viable Organic Process Technology?**. ChemCatChem 2022. [DOI: 10.1002/cctc.202200768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mario Pagliaro
- Istituto per lo Studio dei Materiali Nanostrutturati CNR via U. La Malfa 153 90146 Palermo Italy
| | - Cristina Della Pina
- Dipartimento di Chimica Università degli Studi di Milano via Golgi 19 20133 Milano Italy
| | - Rosaria Ciriminna
- Istituto per lo Studio dei Materiali Nanostrutturati CNR via U. La Malfa 153 90146 Palermo Italy
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21
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Ciriminna R, Pagliaro M. Preprints in Chemistry: a Research Team's Journey. Chemistry 2022; 12:e202200150. [PMID: 36065951 PMCID: PMC10152885 DOI: 10.1002/open.202200150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Indexed: 11/07/2022]
Abstract
The benefits of publishing research papers first in preprint form are substantial and long-lasting also in chemistry. Recounting the outcomes of our team's nearly six-year journey through preprint publishing, we show evidence that preprinting research substantially benefits both early career and senior researchers in today's highly interdisciplinary chemical research. These findings are of general value, as shown by analyzing the case of four more research teams based in economically developed and developing countries.
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Affiliation(s)
- Rosaria Ciriminna
- Istituto per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146, Palermo, Italy
| | - Mario Pagliaro
- Istituto per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146, Palermo, Italy
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22
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Chowdhury MG, Das R, Vyas H, Sasane T, Mori O, Kamble S, Patel S, Shard A. A Comprehensive Account of Synthesis and Biological Activities of α‐lidene‐ Benzocycloalkanones and Benzoheterocycles. ChemistrySelect 2022. [DOI: 10.1002/slct.202201468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Moumita Ghosh Chowdhury
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research- Ahmedabad Gandhinagar Gujarat 380054 India
| | - Rudradip Das
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research- Ahmedabad Gandhinagar Gujarat 380054 India
| | - Het Vyas
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research- Ahmedabad Gandhinagar Gujarat 380054 India
| | - Tejal Sasane
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research- Ahmedabad Gandhinagar Gujarat 380054 India
| | - Omprakash Mori
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research- Ahmedabad Gandhinagar Gujarat 380054 India
| | - Sayali Kamble
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research- Ahmedabad Gandhinagar Gujarat 380054 India
| | - Sagarkumar Patel
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research- Ahmedabad Gandhinagar Gujarat 380054 India
| | - Amit Shard
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research- Ahmedabad Gandhinagar Gujarat 380054 India
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23
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Kon Y, Nakashima T, Onozawa SY, Sato K, Kobayashi S. Switchable Synthesis of Aldehydes and Carboxylic Acids from Alcohols by Platinum‐Catalysed Hydrogen Peroxide Oxidation Using Flow Reactors. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yoshihiro Kon
- National Institute of Advanced Industrial Science and Technology (AIST) JAPAN
| | - Takuya Nakashima
- National Institute of Advanced Industrial Science and Technology (AIST) JAPAN
| | - Syun-ya Onozawa
- National Institute of Advanced Industrial Science and Technology (AIST) JAPAN
| | - Kazuhiko Sato
- National Institute of Advanced Industrial Science and Technology JAPAN
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24
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Lin G, Qiu H. Diverse Supports for Immobilization of Catalysts in Continuous Flow Reactors. Chemistry 2022; 28:e202200069. [DOI: 10.1002/chem.202200069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Geyu Lin
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Huibin Qiu
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai 200240 P. R. China
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25
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Masson E, Maciejewski EM, Wheelhouse KMP, Edwards LJ. Fixed Bed Continuous Hydrogenations in Trickle Flow Mode: A Pharmaceutical Industry Perspective. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Edward Masson
- Chemical Development, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, U.K
| | - Erin M. Maciejewski
- Chemical Development, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, U.K
| | | | - Lee J. Edwards
- Chemical Development, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, U.K
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26
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Kon Y, Tsurumi S, Yamada S, Yokoi T, Fujitani T. Selective monoallylation of anilines to N-allyl anilines using reusable zirconium dioxide supported tungsten oxide solid catalyst. RSC Adv 2022; 12:11877-11884. [PMID: 35481092 PMCID: PMC9016830 DOI: 10.1039/d2ra00198e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/30/2022] [Indexed: 11/21/2022] Open
Abstract
The monoallylation of aniline to give N-allyl aniline is a fundamental transformation process that results in various kinds of valuable building block allyl compounds, which can be used in the production of pharmaceuticals and electronic materials. For decades, sustainable syntheses have been gaining much attention, and the employment of allyl alcohol as an allyl source can follow the sustainability due to the formation of only water as a coproduct through dehydrative monoallylation. Although the use of homogeneous metal complex catalysts is a straightforward choice for the acceleration of dehydrative monoallylation, the use of soluble catalysts tends to contaminate products. We herein present a 10 wt% WO3/ZrO2 catalyzed monoallylation process of aniline to give N-allyl anilines in good yields with excellent selectivity, which enables the continuous selective flow syntheses of N-allyl aniline with 97-99% selectivity. The performed detailed study about the catalytic mechanism suggests that the dispersed WO3 with the preservation of the W(vi) oxidation state of 10 wt% WO3/ZrO2 with appropriate acidity and basicity is crucial for the monoallylation. The inhibition of the over allylation of the N-allyl anilines is explained by the unwilling contact of the N-allyl aniline with the active sites of WO3/ZrO2 due to the steric hindrance.
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Affiliation(s)
- Yoshihiro Kon
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Shota Tsurumi
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Shunsuke Yamada
- Nanospace Catalysis Unit, Institute of Innovative Research, Tokyo Institute of Technology 4259 Nagatsuta Midori-ku Yokohama 226-8503 Japan
| | - Toshiyuki Yokoi
- Nanospace Catalysis Unit, Institute of Innovative Research, Tokyo Institute of Technology 4259 Nagatsuta Midori-ku Yokohama 226-8503 Japan
| | - Tadahiro Fujitani
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
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27
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Ashikari Y, Maekawa K, Takumi M, Tomiyasu N, Fujita C, Matsuyama K, Miyamoto R, Bai H, Nagaki A. Flow grams-per-hour production enabled by hierarchical bimodal porous silica gel supported palladium column reactor having low pressure drop. Catal Today 2022. [DOI: 10.1016/j.cattod.2020.07.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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28
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Saito Y, Nishizawa K, Laroche B, Ishitani H, Kobayashi S. Continuous-Flow Synthesis of (R)-Tamsulosin Utilizing Sequential Heterogeneous Catalysis. Angew Chem Int Ed Engl 2022; 61:e202115643. [PMID: 35068027 DOI: 10.1002/anie.202115643] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Indexed: 11/08/2022]
Abstract
We describe the continuous-flow synthesis of (R)-tamsulosin, a blockbuster therapeutic drug employed for dysuria associated with urinary stones and benign prostatic hyperplasia, by utilizing sequential heterogeneous catalysis. Two heterogeneous catalysts have been developed for the synthesis, and the key step involves reductive amination of nitriles using dimethylpolysilane-modified Pd on activated carbon/calcium phosphate. Overall, (R)-tamsulosin was obtained in 60 % yield and 64 % ee (99 % ee after recrystallization) in a flow stream through four catalytic transformations without the need for the isolation or purification of any intermediates or byproduct.
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Affiliation(s)
- Yuki Saito
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Ken Nishizawa
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Benjamin Laroche
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Haruro Ishitani
- Green & Sustainable Chemistry Social Cooperation Laboratory, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Shū Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.,Green & Sustainable Chemistry Social Cooperation Laboratory, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
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29
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Schulze JS, Brand RD, Hering JG, Riegger LM, Schreiner PR, Smarsly BM. DMAP immobilized on porous silica particles and monoliths for the esterification of phenylethanol in continuous flow. ChemCatChem 2022. [DOI: 10.1002/cctc.202101845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Julia S. Schulze
- Justus Liebig Universitat Giessen Institute of Physical Chemistry 35392 Giessen GERMANY
| | - Raoul D. Brand
- Justus Liebig Universitat Giessen Institute of Physical Chemistry 35392 Giessen GERMANY
| | | | - Luise M. Riegger
- Justus Liebig Universitat Giessen Institute of Physical Chemistry 35392 Giessen GERMANY
| | - Peter R. Schreiner
- Justus Liebig Universitat Giessen Institute of Organic Chemistry 35392 Giessen GERMANY
| | - Bernd M. Smarsly
- Physikalisch-Chemisches Institut Justus-Liebig-Universität Gießen Heinrich Buff Ring 17 35392 Gießen GERMANY
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30
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Buglioni L, Raymenants F, Slattery A, Zondag SDA, Noël T. Technological Innovations in Photochemistry for Organic Synthesis: Flow Chemistry, High-Throughput Experimentation, Scale-up, and Photoelectrochemistry. Chem Rev 2022; 122:2752-2906. [PMID: 34375082 PMCID: PMC8796205 DOI: 10.1021/acs.chemrev.1c00332] [Citation(s) in RCA: 241] [Impact Index Per Article: 120.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Indexed: 02/08/2023]
Abstract
Photoinduced chemical transformations have received in recent years a tremendous amount of attention, providing a plethora of opportunities to synthetic organic chemists. However, performing a photochemical transformation can be quite a challenge because of various issues related to the delivery of photons. These challenges have barred the widespread adoption of photochemical steps in the chemical industry. However, in the past decade, several technological innovations have led to more reproducible, selective, and scalable photoinduced reactions. Herein, we provide a comprehensive overview of these exciting technological advances, including flow chemistry, high-throughput experimentation, reactor design and scale-up, and the combination of photo- and electro-chemistry.
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Affiliation(s)
- Laura Buglioni
- Micro
Flow Chemistry and Synthetic Methodology, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, Het Kranenveld, Bldg 14—Helix, 5600 MB, Eindhoven, The Netherlands
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Fabian Raymenants
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Aidan Slattery
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Stefan D. A. Zondag
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Timothy Noël
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
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31
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Kang JH, Ahn GN, Lee H, Yim SJ, Lahore S, Lee HJ, Kim H, Kim JT, Kim DP. Scalable Subsecond Synthesis of Drug Scaffolds via Aryllithium Intermediates by Numbered-up 3D-Printed Metal Microreactors. ACS CENTRAL SCIENCE 2022; 8:43-50. [PMID: 35106371 PMCID: PMC8796307 DOI: 10.1021/acscentsci.1c00972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Indexed: 05/10/2023]
Abstract
Continuous-flow microreactors enable ultrafast chemistry; however, their small capacity restricts industrial-level productivity of pharmaceutical compounds. In this work, scale-up subsecond synthesis of drug scaffolds was achieved via a 16 numbered-up printed metal microreactor (16N-PMR) assembly to render high productivity up to 20 g for 10 min operation. Initially, ultrafast synthetic chemistry of unstable lithiated intermediates in the halogen-lithium exchange reactions of three aryl halides and subsequent reactions with diverse electrophiles were carried out using a single microreactor (SMR). Larger production of the ultrafast synthesis was achieved by devising a monolithic module of 4 numbered-up 3D-printed metal microreactor (4N-PMR) that was integrated by laminating four SMRs and four bifurcation flow distributors in a compact manner. Eventually, the 16N-PMR system for the scalable subsecond synthesis of three drug scaffolds was assembled by stacking four monolithic modules of 4N-PMRs.
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Affiliation(s)
- Ji-Ho Kang
- Center
for Intelligent Microprocess of Pharmaceutical Synthesis, Department
of Chemical Engineering, Pohang University
of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea
| | - Gwang-Noh Ahn
- Center
for Intelligent Microprocess of Pharmaceutical Synthesis, Department
of Chemical Engineering, Pohang University
of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea
| | - Heekwon Lee
- Department
of Mechanical Engineering, The University
of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Se-Jun Yim
- Center
for Intelligent Microprocess of Pharmaceutical Synthesis, Department
of Chemical Engineering, Pohang University
of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea
| | - Santosh Lahore
- Center
for Intelligent Microprocess of Pharmaceutical Synthesis, Department
of Chemical Engineering, Pohang University
of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea
| | - Hyune-Jea Lee
- Department
of Chemistry, College of Science, Korea
University, Seoul 02841, Republic of Korea
| | - Heejin Kim
- Department
of Chemistry, College of Science, Korea
University, Seoul 02841, Republic of Korea
| | - Ji Tae Kim
- Department
of Mechanical Engineering, The University
of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Dong-Pyo Kim
- Center
for Intelligent Microprocess of Pharmaceutical Synthesis, Department
of Chemical Engineering, Pohang University
of Science and Technology (POSTECH), Pohang 790-784, Republic of Korea
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32
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Saito Y, Nishizawa K, Laroche B, Ishitani H, Kobayashi S. Continuous‐Flow Synthesis of (R)‐Tamsulosin Utilizing Sequential Heterogeneous Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115643] [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)
- Yuki Saito
- The University of Tokyo: Tokyo Daigaku Chemistry JAPAN
| | - Ken Nishizawa
- The University of Tokyo: Tokyo Daigaku Chemistry JAPAN
| | | | | | - Shu Kobayashi
- The University of Tokyo Department of Chemistry, School of Science 7-3-1 Hongo, Bunkyo-ku 113-0033 Tokyo JAPAN
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33
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Yamada T, Park K, Furugen C, Jiang J, Shimizu E, Ito N, Sajiki H. Highly Selective Hydrogenative Conversion of Nitriles into Tertiary, Secondary, and Primary Amines under Flow Reaction Conditions. CHEMSUSCHEM 2022; 15:e202102138. [PMID: 34779573 DOI: 10.1002/cssc.202102138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/12/2021] [Indexed: 06/13/2023]
Abstract
Flow reaction methods have been developed to selectively synthesize tertiary, secondary, and primary amines depending on heterogeneous platinum-group metal species under catalytic hydrogenation conditions using nitriles as starting materials. A 10 % Pd/C-packed catalyst cartridge affords symmetrically substituted tertiary amines in good to excellent yields. A 10 % Rh/C-packed catalyst cartridge enables the divergent synthesis of secondary and primary amines, with either cyclohexane or acetic acid as a solvent, respectively. Reaction parameters, such as the metal catalyst, solvent, and reaction temperature, and continuous-flow conditions, such as flow direction and second support of the catalyst in a catalyst cartridge, are quite important for controlling the reaction between the hydrogenation of nitriles and nucleophilic attack of in situ-generated amines to imine intermediates. A wide variety of aliphatic and aromatic nitriles could be highly selectively transformed into the corresponding tertiary, secondary, and primary amines by simply changing the metal species of the catalyst or flow parameters. Furthermore, the selective continuous-flow methodologies are applied over at least 72 h to afford three different types of amines in 80-99 % yield without decrease in catalytic activities.
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Affiliation(s)
- Tsuyoshi Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Kwihwan Park
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Chikara Furugen
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Jing Jiang
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Eisho Shimizu
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Naoya Ito
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
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34
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Ishitani H, Yu Z, Ichitsuka T, Koumura N, Onozawa S, Sato K, Kobayashi S. Two‐Step Continuous‐Flow Synthesis of Fungicide Metalaxyl through Catalytic C−N Bond‐Formation Processes. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202100898] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Haruro Ishitani
- Green & Sustainable Chemistry Social Cooperation Laboratory Graduate School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 133-0033 Japan
| | - Zhibo Yu
- Department of Chemistry School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Tomohiro Ichitsuka
- Research Institute of Chemical Process Technology National Institute of Advanced Industrial Science and Technology Nigatake 4-2-1 Sendai Miyagi 983-8551 Japan
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
| | - Nagatoshi Koumura
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
| | - Shun‐ya Onozawa
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
| | - Kazuhiko Sato
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
| | - Shū Kobayashi
- Green & Sustainable Chemistry Social Cooperation Laboratory Graduate School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 133-0033 Japan
- Department of Chemistry School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology Central 5, Higashi 1-1-1 Tsukuba Ibaraki 305-8565 Japan
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35
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Simon K, Sagmeister P, Munday RH, Leslie K, Hone CA, Kappe CO. Automated Flow and Real-Time Analytics Approach for Screening Functional Group Tolerance in Heterogeneous Catalytic Reactions. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00059h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heterogeneous hydrogenation reactions are widely used in synthesis, and performing them using continuous flow technologies addresses many of the safety, scalability and sustainability issues. However, one of the main potential...
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36
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Deng L, Liu X, Song S. Recent advances in the asymmetric reduction of imines by recycled catalyst systems. Org Chem Front 2022. [DOI: 10.1039/d1qo01526e] [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
Recent advances relating to the asymmetric reduction of imines to afford optically active amines via recyclable catalyst systems are reviewed.
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Affiliation(s)
- Lidan Deng
- Chongqing Key Laboratory of Catalysis & Environmental New Materials, Department of Chemical Engineering Chongqing Technology and Business University, Chongqing 400067, China
| | - Xingwang Liu
- Chongqing Key Laboratory of Catalysis & Environmental New Materials, Department of Chemical Engineering Chongqing Technology and Business University, Chongqing 400067, China
| | - Shihua Song
- Porton Pharma Solutions Ltd, Fangzheng Avenue, Shuitu, BeiBei District, Chongqing 400067, China
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37
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Chen J, Xie X, Liu J, Yu Z, Su W. Revisiting aromatic diazotization and aryl diazonium salts in continuous flow: highlighted research during 2001–2021. REACT CHEM ENG 2022. [DOI: 10.1039/d2re00001f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Aryl diazonium salts play an important role in chemical transformations; however their explosive nature limits their applications in batch.
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Affiliation(s)
- Jianli Chen
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Xiaoxuan Xie
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Jiming Liu
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Zhiqun Yu
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Weike Su
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P.R. China
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38
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Tobita F, Yasukawa T, Yamashita Y, Kobayashi S. Aerobic oxidation of alcohols enabled by nitrogen-doped copper nanoparticle catalysts. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01777b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heterogeneous nitrogen-doped carbon-incarcerated copper nanoparticle catalysts have been developed.
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Affiliation(s)
- Fumiya Tobita
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Tomohiro Yasukawa
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yasuhiro Yamashita
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shū Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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39
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Nonaka S, Matsumoto H, Nagao M, Hoshino Y, Miura Y. Investigation of the effect of microflow reactor diameter on condensation reactions in l-proline-immobilized polymer monoliths. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00386k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Structure of porous monolith in a microflow reactor and the reactor diameter affect the residence time distribution (RTD). The effect of the RTD on the catalytic efficiency of the asymmetric aldol addition reaction was examined.
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Affiliation(s)
- Seiya Nonaka
- Department of Chemical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hikaru Matsumoto
- Department of Chemical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Masanori Nagao
- Department of Chemical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yu Hoshino
- Department of Chemical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yoshiko Miura
- Department of Chemical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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40
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Chaudhari MB, Gupta P, Llanes P, Zhou L, Zanda N, Pericàs MA. An enantio- and diastereoselective approach to indoloquinolizidines in continuous flow. Org Biomol Chem 2022; 20:8273-8279. [DOI: 10.1039/d2ob01462a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A solvent-free enantioselective Michael addition mediated by a polymer-supported Jørgensen–Hayashi catalyst and a domino Pictet–Spengler plus lactamisation sequence has been reported in continuous flow.
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Affiliation(s)
- Moreshwar B. Chaudhari
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Prachi Gupta
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Patricia Llanes
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Leijie Zhou
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Nicola Zanda
- 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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41
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Kowalewski E, Śrębowata A. Catalytic hydrogenation of nitrocyclohexane as an alternative pathway for the synthesis of value-added products. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00790h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Catalytic hydrogenation of nitrocyclohexane could be an alternative source of various useful chemicals: cyclohexanone oxime, cyclohexanone, cyclohexanol, cyclohexylamine and dicyclohexylamine. Each one of these compounds found application in the modern...
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42
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Wakayama F, Ito R, Park K, Ishida M, Yamada Y, Ichihara S, Takada H, Nakamura S, Kato A, Yamada T, Sajiki H, Monguchi Y. Esterification or Thioesterification of Carboxylic Acids with Alcohols or Thiols Using Amphipathic Monolith-SO3H Resin. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210266] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Fumika Wakayama
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Ryo Ito
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Kwihwan Park
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Moeka Ishida
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Yutaro Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Shuta Ichihara
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Hitoshi Takada
- R & D Center, Organo Corporation, 4-4-1 Nishionuma, Minami-Ku, Sagamihara, Kanagawa 252-0332, Japan
| | - Shinji Nakamura
- R & D Center, Organo Corporation, 4-4-1 Nishionuma, Minami-Ku, Sagamihara, Kanagawa 252-0332, Japan
| | - Ayumu Kato
- R & D Center, Organo Corporation, 4-4-1 Nishionuma, Minami-Ku, Sagamihara, Kanagawa 252-0332, Japan
| | - Tsuyoshi Yamada
- 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
| | - 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-machi, Minami-ku, Fukuoka 815-8511, Japan
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43
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Nuzhdin AL, Bukhtiyarova MV, Eltsov IV, Bukhtiyarov VI. CuAlO catalyst for the batch-flow tandem synthesis of amino acid-derived furfurylamines. MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.11.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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44
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Masuda K, Chen W, Hayashi K, Shimada S, Onozawa S, Koumura N, Sato K, Kobayashi S. Aerobic Dehydrogenative Coupling of Naphthols and Phenols with a Ru(OH)
x
/Al
2
O
3
Catalyst under Continuous‐Flow Conditions. ChemistrySelect 2021. [DOI: 10.1002/slct.202102938] [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)
- Koichiro Masuda
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Wenlong Chen
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
- Department of Chemistry School of Science The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
| | - Kazushi Hayashi
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Shigeru Shimada
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Shun‐ya Onozawa
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Nagatoshi Koumura
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Kazuhiko Sato
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Shū Kobayashi
- Interdisciplinary Research Center for Catalytic Chemistry National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
- Department of Chemistry School of Science The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
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45
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Flow synthesis of N-alkyl-5-methyl-2-pyrrolidones over Ni2P/SiO2 catalyst. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111884] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Kuremoto T, Sadatsune R, Yasukawa T, Yamashita Y, Kobayashi S. Machine‐Assisted Preparation of a Chiral Diamine Ligand Library and In Silico Screening Using Ab Initio Structural Parameters for Heterogeneous Chiral Catalysts. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tatsuya Kuremoto
- Department of Chemistry, School of Science The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Ren Sadatsune
- Department of Chemistry, School of Science The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Tomohiro Yasukawa
- Department of Chemistry, School of Science The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Yasuhiro Yamashita
- Department of Chemistry, School of Science The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Shū Kobayashi
- Department of Chemistry, School of Science The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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47
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Conformally anchoring nanocatalyst onto quartz fibers enables versatile microreactor platforms for continuous-flow catalysis. Sci China Chem 2021. [DOI: 10.1007/s11426-021-1101-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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48
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Yılmaz F, Hür D. Continuous flow hydrogenation with Pd complexes of pyridine‐benzotriazole ligands. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Filiz Yılmaz
- Faculty of Science Department of Chemistry, Yunusemre Campus Eskisehir Technical University Eskisehir Turkey
| | - Deniz Hür
- Faculty of Science Department of Chemistry, Yunusemre Campus Eskisehir Technical University Eskisehir Turkey
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49
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Masuda K, Okamoto Y, Onozawa SY, Koumura N, Kobayashi S. Development of highly efficient Friedel-Crafts alkylations with alcohols using heterogeneous catalysts under continuous-flow conditions. RSC Adv 2021; 11:24424-24428. [PMID: 35479054 PMCID: PMC9036667 DOI: 10.1039/d1ra04005g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 07/05/2021] [Indexed: 12/27/2022] Open
Abstract
The development of Friedel–Crafts alkylations with alcohols under continuous-flow conditions using heterogeneous catalysts is reported. The reactivities and durabilities of the examined catalysts were systematically investigated, which showed that montmorillonite clay is the best catalyst for these reactions. A high turnover frequency of 9.0 × 102 h−1 was recorded under continuous-flow conditions, and the continuous operation was successfully maintained over one week. Efficient and highly durable catalysts were developed for Friedel–Crafts alkylation using alcohols under continuous flow conditions.![]()
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Affiliation(s)
- Koichiro Masuda
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Yukiko Okamoto
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Shun-Ya Onozawa
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Nagatoshi Koumura
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Shū Kobayashi
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan .,Department of Chemistry, School of Science, The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
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50
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Szécsényi Z, Fülöp F, Ötvös SB. Bismuth Subnitrate-Catalyzed Markovnikov-Type Alkyne Hydrations under Batch and Continuous Flow Conditions. Molecules 2021; 26:molecules26102864. [PMID: 34066109 PMCID: PMC8151695 DOI: 10.3390/molecules26102864] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/01/2021] [Accepted: 05/08/2021] [Indexed: 12/04/2022] Open
Abstract
Bismuth subnitrate is reported herein as a simple and efficient catalyst for the atom-economical synthesis of methyl ketones via Markovnikov-type alkyne hydration. Besides an effective batch process under reasonably mild conditions, a chemically intensified continuous flow protocol was also developed in a packed-bed system. The applicability of the methodologies was demonstrated through hydration of a diverse set of terminal acetylenes. By simply switching the reaction medium from methanol to methanol-d4, valuable trideuteromethyl ketones were also prepared. Due to the ready availability and nontoxicity of the heterogeneous catalyst, which eliminated the need for any special additives and/or harmful reagents, the presented processes display significant advances in terms of practicality and sustainability.
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Affiliation(s)
- Zsanett Szécsényi
- Institute of Pharmaceutical Chemistry, University of Szeged, Interdisciplinary Excellence Center, Eötvös u. 6, H-6720 Szeged, Hungary;
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry, University of Szeged, Interdisciplinary Excellence Center, Eötvös u. 6, H-6720 Szeged, Hungary;
- MTA-SZTE Stereochemistry Research Group, Hungarian Academy of Sciences, Interdisciplinary Excellence Center, Eötvös u. 6, H-6720 Szeged, Hungary
- Correspondence: (F.F.); (S.B.Ö.)
| | - Sándor B. Ötvös
- MTA-SZTE Stereochemistry Research Group, Hungarian Academy of Sciences, Interdisciplinary Excellence Center, Eötvös u. 6, H-6720 Szeged, Hungary
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, A-8010 Graz, Austria
- Correspondence: (F.F.); (S.B.Ö.)
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