1
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Wang SJ, Zhao MY, Zhao PC, Zhang W, Rao GW. Research Status, Synthesis and Clinical Application of Antiepileptic Drugs. Curr Med Chem 2024; 31:410-452. [PMID: 36650655 DOI: 10.2174/0929867330666230117160632] [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: 06/14/2022] [Revised: 10/25/2022] [Accepted: 11/03/2022] [Indexed: 01/19/2023]
Abstract
According to the 2017 ILAE's official definition, epilepsy is a slow brain disease state characterized by recurrent episodes. Due to information released by ILAE in 2017, it can be divided into four types, including focal epilepsy, generalized epilepsy, combined generalized, and focal epilepsy, and unknown epilepsy. Since 1989, 24 new antiepileptic drugs have been approved to treat different types of epilepsy. Besides, there are a variety of antiepileptic medications under clinical monitoring. These novel antiepileptic drugs have plenty of advantages. Over the past 33 years, there have been many antiepileptic drugs on the mearket, but no one has been found that can completely cure epilepsy. In this paper, the mentioned drugs were classified according to their targets, and the essential information, and clinical studies of each drug were described. The structure-activity relationship of different chemical structures was summarized. This paper provides help for the follow-up research on epilepsy drugs.
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Affiliation(s)
- Si-Jie Wang
- College of Pharmaceutical Science, Institute of Drug Development & Chemical Biology, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Min-Yan Zhao
- College of Pharmaceutical Science, Institute of Drug Development & Chemical Biology, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Peng-Cheng Zhao
- College of Pharmaceutical Science, Institute of Drug Development & Chemical Biology, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Wen Zhang
- College of Pharmaceutical Science, Institute of Drug Development & Chemical Biology, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Guo-Wu Rao
- College of Pharmaceutical Science, Institute of Drug Development & Chemical Biology, Zhejiang University of Technology, Hangzhou 310014, P.R. China
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2
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Lei Z, Ang HT, Wu J. Advanced In-Line Purification Technologies in Multistep Continuous Flow Pharmaceutical Synthesis. Org Process Res Dev 2023. [DOI: 10.1021/acs.oprd.2c00374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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3
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Sharley JS, Gambacorta G, Collado Pérez AM, Ferri EE, Miranda AF, Quesada JS, Baxendale IR. Further investigations into imine-mediated formation of allylic nitro compounds. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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4
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Ötvös SB, Kappe CO. Continuous flow asymmetric synthesis of chiral active pharmaceutical ingredients and their advanced intermediates. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2021; 23:6117-6138. [PMID: 34671222 PMCID: PMC8447942 DOI: 10.1039/d1gc01615f] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 08/03/2021] [Indexed: 06/13/2023]
Abstract
Catalytic enantioselective transformations provide well-established and direct access to stereogenic synthons that are broadly distributed among active pharmaceutical ingredients (APIs). These reactions have been demonstrated to benefit considerably from the merits of continuous processing and microreactor technology. Over the past few years, continuous flow enantioselective catalysis has grown into a mature field and has found diverse applications in asymmetric synthesis of pharmaceutically active substances. The present review therefore surveys flow chemistry-based approaches for the synthesis of chiral APIs and their advanced stereogenic intermediates, covering the utilization of biocatalysis, organometallic catalysis and metal-free organocatalysis to introduce asymmetry in continuously operated systems. Single-step processes, interrupted multistep flow syntheses, combined batch/flow processes and uninterrupted one-flow syntheses are discussed herein.
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Affiliation(s)
- Sándor B Ötvös
- Institute of Chemistry, University of Graz, NAWI Graz Heinrichstrasse 28 A-8010 Graz Austria
- Center for Continuous Flow Synthesis and Processing (CC FLOW), Research Center Pharmaceutical Engineering GmbH (RCPE) Inffeldgasse 13 A-8010 Graz Austria
| | - C Oliver Kappe
- Institute of Chemistry, University of Graz, NAWI Graz Heinrichstrasse 28 A-8010 Graz Austria
- Center for Continuous Flow Synthesis and Processing (CC FLOW), Research Center Pharmaceutical Engineering GmbH (RCPE) Inffeldgasse 13 A-8010 Graz Austria
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5
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Gambacorta G, Sharley JS, Baxendale IR. A comprehensive review of flow chemistry techniques tailored to the flavours and fragrances industries. Beilstein J Org Chem 2021; 17:1181-1312. [PMID: 34136010 PMCID: PMC8182698 DOI: 10.3762/bjoc.17.90] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 04/22/2021] [Indexed: 12/28/2022] Open
Abstract
Due to their intrinsic physical properties, which includes being able to perform as volatile liquids at room and biological temperatures, fragrance ingredients/intermediates make ideal candidates for continuous-flow manufacturing. This review highlights the potential crossover between a multibillion dollar industry and the flourishing sub-field of flow chemistry evolving within the discipline of organic synthesis. This is illustrated through selected examples of industrially important transformations specific to the fragrances and flavours industry and by highlighting the advantages of conducting these transformations by using a flow approach. This review is designed to be a compendium of techniques and apparatus already published in the chemical and engineering literature which would constitute a known solution or inspiration for commonly encountered procedures in the manufacture of fragrance and flavour chemicals.
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Affiliation(s)
- Guido Gambacorta
- Department of Chemistry, University of Durham, Stockton Road, Durham, DH1 3LE, United Kingdom
| | - James S Sharley
- Department of Chemistry, University of Durham, Stockton Road, Durham, DH1 3LE, United Kingdom
| | - Ian R Baxendale
- Department of Chemistry, University of Durham, Stockton Road, Durham, DH1 3LE, United Kingdom
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6
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Jiao J, Nie W, Yu T, Yang F, Zhang Q, Aihemaiti F, Yang T, Liu X, Wang J, Li P. Multi-Step Continuous-Flow Organic Synthesis: Opportunities and Challenges. Chemistry 2021; 27:4817-4838. [PMID: 33034923 DOI: 10.1002/chem.202004477] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Indexed: 12/11/2022]
Abstract
Continuous-flow multi-step synthesis takes the advantages of microchannel flow chemistry and may transform the conventional multi-step organic synthesis by using integrated synthetic systems. To realize the goal, however, innovative chemical methods and techniques are urgently required to meet the significant remaining challenges. In the past few years, by using green reactions, telescoped chemical design, and/or novel in-line separation techniques, major and rapid advancement has been made in this direction. This minireview summarizes the most recent reports (2017-2020) on continuous-flow synthesis of functional molecules. Notably, several complex active pharmaceutical ingredients (APIs) have been prepared by the continuous-flow approach. Key technologies to the successes and remaining challenges are discussed. These results exemplified the feasibility of using modern continuous-flow chemistry for complex synthetic targets, and bode well for the future development of integrated, automated artificial synthetic systems.
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Affiliation(s)
- Jiao Jiao
- School of Chemistry, Xi'an Jiaotong University, Xi'an, 710061, P. R. China.,Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Wenzheng Nie
- School of Chemistry, Xi'an Jiaotong University, Xi'an, 710061, P. R. China.,Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Tao Yu
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Fan Yang
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, 710048, P. R. China
| | - Qian Zhang
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, 710048, P. R. China
| | - Feierdaiweisi Aihemaiti
- School of Chemistry, Xi'an Jiaotong University, Xi'an, 710061, P. R. China.,Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Tingjun Yang
- School of Chemistry, Xi'an Jiaotong University, Xi'an, 710061, P. R. China.,Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Xuanyu Liu
- School of Medicine, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Jiachen Wang
- School of Medicine, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China.,Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
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7
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Domokos A, Nagy B, Szilágyi B, Marosi G, Nagy ZK. Integrated Continuous Pharmaceutical Technologies—A Review. Org Process Res Dev 2021. [DOI: 10.1021/acs.oprd.0c00504] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- András Domokos
- Budapest University of Technology and Economics, Organic Chemistry and Technology Department, H-1111 Budapest, Hungary
| | - Brigitta Nagy
- Budapest University of Technology and Economics, Organic Chemistry and Technology Department, H-1111 Budapest, Hungary
| | - Botond Szilágyi
- Budapest University of Technology and Economics, Faculty of Chemical Technology and Biotechnology, H-1111 Budapest, Hungary
| | - György Marosi
- Budapest University of Technology and Economics, Organic Chemistry and Technology Department, H-1111 Budapest, Hungary
| | - Zsombor Kristóf Nagy
- Budapest University of Technology and Economics, Organic Chemistry and Technology Department, H-1111 Budapest, Hungary
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8
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A mineralogically-inspired silver–bismuth hybrid material: Structure, stability and application for catalytic benzyl alcohol dehydrogenations under continuous flow conditions. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.111263] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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9
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Ötvös SB, Llanes P, Pericàs MA, Kappe CO. Telescoped Continuous Flow Synthesis of Optically Active γ-Nitrobutyric Acids as Key Intermediates of Baclofen, Phenibut, and Fluorophenibut. Org Lett 2020; 22:8122-8126. [PMID: 33026815 PMCID: PMC7573919 DOI: 10.1021/acs.orglett.0c03100] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Indexed: 02/07/2023]
Abstract
The two-step flow asymmetric synthesis of chiral γ-nitrobutyric acids as key intermediates of the GABA analogues baclofen, phenibut, and fluorophenibut is reported on a multigram scale. The telescoped process comprises an enantioselective Michael-type addition facilitated by a polystyrene-supported heterogeneous organocatalyst under neat conditions followed by in situ-generated performic acid-mediated aldehyde oxidation. Simple access to valuable optically active substances is provided with key advances in terms of productivity and sustainability compared to those of previous batch approaches.
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Affiliation(s)
- Sándor B. Ötvös
- Institute
of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, A-8010 Graz, Austria
- Center
for Continuous Flow Synthesis and Processing (CC FLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, A-8010 Graz, Austria
| | - Patricia Llanes
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, E-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, E-43007 Tarragona, Spain
- Departament
de Química Inorgànica i Orgànica, Universitat de Barcelona (UB), E-08028 Barcelona, Spain
| | - C. Oliver Kappe
- Institute
of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, A-8010 Graz, Austria
- Center
for Continuous Flow Synthesis and Processing (CC FLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, A-8010 Graz, Austria
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10
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Definitive Screening Design Optimization of Chemoenzymatic Process for (
R
)‐3‐(Carbamoylmethyl)‐5‐methylhexanoicacid: A Key Intermediate of Pregabalin. ChemistrySelect 2020. [DOI: 10.1002/slct.202000061] [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]
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11
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Jones NS, Comparin JH. Interpol review of controlled substances 2016-2019. Forensic Sci Int Synerg 2020; 2:608-669. [PMID: 33385148 PMCID: PMC7770462 DOI: 10.1016/j.fsisyn.2020.01.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 01/23/2020] [Indexed: 12/14/2022]
Abstract
This review paper covers the forensic-relevant literature in controlled substances from 2016 to 2019 as a part of the 19th Interpol International Forensic Science Managers Symposium. The review papers are also available at the Interpol website at: https://www.interpol.int/content/download/14458/file/Interpol%20Review%20Papers%202019.pdf.
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Affiliation(s)
- Nicole S. Jones
- RTI International, Applied Justice Research Division, Center for Forensic Sciences, 3040 E. Cornwallis Road, Research Triangle Park, NC, 22709-2194, USA
| | - Jeffrey H. Comparin
- United States Drug Enforcement Administration, Special Testing and Research Laboratory, USA
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12
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Yoo WJ, Ishitani H, Saito Y, Laroche B, Kobayashi S. Reworking Organic Synthesis for the Modern Age: Synthetic Strategies Based on Continuous-Flow Addition and Condensation Reactions with Heterogeneous Catalysts. J Org Chem 2020; 85:5132-5145. [PMID: 32069417 DOI: 10.1021/acs.joc.9b03416] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
While organic synthesis carried out in most laboratories uses batch methods, there is growing interest in modernizing fine chemical synthesis through continuous-flow processes. As a synthetic method, flow processes have several advantages over batch systems in terms of environmental compatibility, efficiency, and safety, and recent advances have allowed for the synthesis of several complex molecules, including active pharmaceutical ingredients (APIs). Nevertheless, due to several reasons related to the difficulties arising from byproduct formation during the flow process, such as lower yields, poor selectivities, clogging of columns due to poor solubility, catalyst poisoning, etc., successful examples of continuous-flow synthesis of complex organic molecules are still limited. In order to solve this bottleneck, the development of selective and atom-economical continuous-flow organic transformations are needed. This perspective highlights examples of atom-economical addition and condensation reactions with heterogeneous catalysts under continuous-flow conditions and their applications for the synthesis of complex organic molecules such as natural products and APIs. In order to realize new continuous-flow methodologies, based on addition and condensation reactions, in place of substitution reactions, the development of novel reactions and heterogeneous catalysts is required.
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Affiliation(s)
- Woo-Jin Yoo
- Green & Sustainable Chemistry Cooperation Laboratory, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Haruro Ishitani
- Green & Sustainable Chemistry Cooperation Laboratory, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yuki Saito
- Department of Chemistry, School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Benjamin Laroche
- Department of Chemistry, School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shu Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.,Green & Sustainable Chemistry Cooperation Laboratory, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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13
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Wu ZM, Hao CL, Tong T, Zheng RC, Zheng YG. Purification of (S)-3-cyano-5-methylhexanoic acid from bioconversion broth using an acetone/ammonium sulfate aqueous two-phase system. Process Biochem 2020. [DOI: 10.1016/j.procbio.2019.10.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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14
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Fülöp Z, Szemesi P, Bana P, Éles J, Greiner I. Evolution of flow-oriented design strategies in the continuous preparation of pharmaceuticals. REACT CHEM ENG 2020. [DOI: 10.1039/d0re00273a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review focuses on the flow-oriented design (FOD) in the multi-step continuous-flow synthesis of active pharmaceutical ingredients.
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Affiliation(s)
- Zsolt Fülöp
- Department of Organic Chemistry and Technology
- Budapest University of Technology and Economics
- 1521 Budapest
- Hungary
| | - Péter Szemesi
- Department of Organic Chemistry and Technology
- Budapest University of Technology and Economics
- 1521 Budapest
- Hungary
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15
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D’Oca CDRM, Mass EB, Ongaratto RF, de Andrade AM, D’Oca MGM, Russowsky D. Synthesis of (+/−)-Pregabalin and its novel lipophilic β-alkyl-substituted analogues from fatty chains. NEW J CHEM 2020. [DOI: 10.1039/d0nj02263b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, were synthesized for the first time a series of new lipophilic β-alkyl substituted GABA derivatives from fatty alkyl chains.
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Affiliation(s)
| | - Eduardo Bustos Mass
- Instituto de Química
- Universidade Federal do Rio Grande do Sul
- Porto Alegre
- Brazil
| | | | | | | | - Dennis Russowsky
- Instituto de Química
- Universidade Federal do Rio Grande do Sul
- Porto Alegre
- Brazil
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16
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Ötvös SB, Pericàs MA, Kappe CO. Multigram-scale flow synthesis of the chiral key intermediate of (-)-paroxetine enabled by solvent-free heterogeneous organocatalysis. Chem Sci 2019; 10:11141-11146. [PMID: 32206263 PMCID: PMC7069365 DOI: 10.1039/c9sc04752b] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 10/18/2019] [Indexed: 12/16/2022] Open
Abstract
The catalytic enantioselective synthesis of the chiral key intermediate of the antidepressant (-)-paroxetine is demonstrated as a continuous flow process on multi-gram scale. The critical step is a solvent-free organocatalytic conjugate addition followed by a telescoped reductive amination-lactamization-amide/ester reduction sequence. Due to the efficient heterogeneous catalysts and the solvent-free or highly concentrated conditions applied, the flow method offers key advances in terms of productivity and sustainability compared to earlier batch approaches.
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Affiliation(s)
- Sándor B Ötvös
- Institute of Chemistry , University of Graz , NAWI Graz , Heinrichstrasse 28 , A-8010 Graz , Austria .
| | - Miquel A Pericàs
- Institute of Chemical Research of Catalonia (ICIQ) , The Barcelona Institute of Science and Technology (BIST) , Av. Països Catalans 16 , E-43007 Tarragona , Spain
- Departament de Química Inorgànica i Orgànica , Universitat de Barcelona (UB) , E-08028 Barcelona , Spain
| | - C Oliver Kappe
- Institute of Chemistry , University of Graz , NAWI Graz , Heinrichstrasse 28 , A-8010 Graz , Austria .
- Center for Continuous Synthesis and Processing (CCFLOW) , Research Center Pharmaceutical Engineering (RCPE) , Inffeldgasse 13 , A-8010 Graz , Austria .
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17
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Ishitani H, Kanai K, Yoo W, Yoshida T, Kobayashi S. A Nickel‐Diamine/Mesoporous Silica Composite as a Heterogeneous Chiral Catalyst for Asymmetric 1,4‐Addition Reactions. Angew Chem Int Ed Engl 2019; 58:13313-13317. [DOI: 10.1002/anie.201906349] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/14/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Haruro Ishitani
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Kan Kanai
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Woo‐Jin Yoo
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Tomoko Yoshida
- Advanced Research Institute for Natural Science and TechnologyOsaka City University 3-3-138 Sugimoto, Sumiyoshi-ku Osaka 558-8585 Japan
| | - Shū Kobayashi
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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18
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Ishitani H, Kanai K, Yoo W, Yoshida T, Kobayashi S. A Nickel‐Diamine/Mesoporous Silica Composite as a Heterogeneous Chiral Catalyst for Asymmetric 1,4‐Addition Reactions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906349] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Haruro Ishitani
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Kan Kanai
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Woo‐Jin Yoo
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Tomoko Yoshida
- Advanced Research Institute for Natural Science and TechnologyOsaka City University 3-3-138 Sugimoto, Sumiyoshi-ku Osaka 558-8585 Japan
| | - Shū Kobayashi
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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19
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Laroche B, Saito Y, Ishitani H, Kobayashi S. Basic Anion-Exchange Resin-Catalyzed Aldol Condensation of Aromatic Ketones with Aldehydes in Continuous Flow. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00048] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Rao X, Ishitani H, Yoo W, Kobayashi S. Zirconium‐β Zeolite‐Catalyzed Continuous‐Flow Friedel‐Crafts Acylation Reaction. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900012] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xiaofeng Rao
- Department of Chemistry, School of Science The University of Tokyo Hongo, Bunkyo-ku, Tokyo 113-0033 Japan
| | - Haruro Ishitani
- Green & Sustainable Chemistry Cooperation Laboratory, Graduate School of Science The University of Tokyo Hongo, Bunkyo-ku, Tokyo 113-0033 Japan
| | - Woo‐Jin Yoo
- Green & Sustainable Chemistry 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 Cooperation Laboratory, Graduate School of Science The University of Tokyo Hongo, Bunkyo-ku, Tokyo 113-0033 Japan
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21
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Bana P, Szigetvári Á, Kóti J, Éles J, Greiner I. Flow-oriented synthetic design in the continuous preparation of the aryl piperazine drug flibanserin. REACT CHEM ENG 2019. [DOI: 10.1039/c8re00266e] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The first integrated continuous-flow synthesis of the drug substance flibanserin was developed, using an uninterrupted four-step sequence, via an unprecedented route.
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22
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Ishitani H, Saito Y, Nakamura Y, Yoo W, Kobayashi S. Knoevenagel Condensation of Aldehydes and Ketones with Alkyl Nitriles Catalyzed by Strongly Basic Anion Exchange Resins under Continuous‐Flow Conditions. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800512] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Haruro Ishitani
- Green & Sustainable Chemistry Cooperation Laboratory Graduate School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Yuki Saito
- Department of Chemistry, School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Yosuke Nakamura
- Department of Chemistry, School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Woo‐Jin Yoo
- Green & Sustainable Chemistry Cooperation Laboratory Graduate School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Shū Kobayashi
- Green & Sustainable Chemistry Cooperation Laboratory Graduate School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Department of Chemistry, School of Science The University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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Sharma MK, Acharya RB, Shukla CA, Kulkarni AA. Assessing the possibilities of designing a unified multistep continuous flow synthesis platform. Beilstein J Org Chem 2018; 14:1917-1936. [PMID: 30112097 PMCID: PMC6071694 DOI: 10.3762/bjoc.14.166] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 06/22/2018] [Indexed: 01/20/2023] Open
Abstract
The multistep flow synthesis of complex molecules has gained momentum over the last few years. A wide range of reaction types and conditions have been integrated seamlessly on a single platform including in-line separation as well as monitoring. Beyond merely getting considered as 'flow version' of conventional 'one-pot synthesis', multistep flow synthesis has become the next generation tool for creating libraries of new molecules. Here we give a more 'engineering' look at the possibility of developing a 'unified multistep flow synthesis platform'. A detailed analysis of various scenarios is presented considering 4 different classes of drugs already reported in the literature. The possible complexities that an automated and controlled platform needs to handle are also discussed in detail. Three different design approaches are proposed: (i) one molecule at a time, (ii) many molecules at a time and (iii) cybernetic approach. Each approach would lead to the effortless integration of different synthesis stages and also at different synthesis scales. While one may expect such a platform to operate like a 'driverless car' or a 'robo chemist' or a 'transformer', in reality, such an envisaged system would be much more complex than these examples.
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Affiliation(s)
- Mrityunjay K Sharma
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Chemical Laboratory (NCL) Campus, Pune 411008, India
- Chem. Eng. & Proc. Dev. Div., CSIR-National Chemical Laboratory, Dr. Homi Bhaba Road, Pashan, Pune 411008, India
| | - Roopashri B Acharya
- Chem. Eng. & Proc. Dev. Div., CSIR-National Chemical Laboratory, Dr. Homi Bhaba Road, Pashan, Pune 411008, India
| | - Chinmay A Shukla
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Chemical Laboratory (NCL) Campus, Pune 411008, India
- Chem. Eng. & Proc. Dev. Div., CSIR-National Chemical Laboratory, Dr. Homi Bhaba Road, Pashan, Pune 411008, India
| | - Amol A Kulkarni
- Academy of Scientific and Innovative Research (AcSIR), CSIR-National Chemical Laboratory (NCL) Campus, Pune 411008, India
- Chem. Eng. & Proc. Dev. Div., CSIR-National Chemical Laboratory, Dr. Homi Bhaba Road, Pashan, Pune 411008, India
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Gérardy R, Emmanuel N, Toupy T, Kassin VE, Tshibalonza NN, Schmitz M, Monbaliu JCM. Continuous Flow Organic Chemistry: Successes and Pitfalls at the Interface with Current Societal Challenges. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800149] [Citation(s) in RCA: 144] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Romaric Gérardy
- Center for Integrated Technology and Organic Synthesis; Department of Chemistry; Research Unit MolSys; University of Liège; Quartier Agora, Allée du six Aout, 13 4000 Liège (Sart Tilman) Belgium
| | - Noémie Emmanuel
- Center for Integrated Technology and Organic Synthesis; Department of Chemistry; Research Unit MolSys; University of Liège; Quartier Agora, Allée du six Aout, 13 4000 Liège (Sart Tilman) Belgium
| | - Thomas Toupy
- Center for Integrated Technology and Organic Synthesis; Department of Chemistry; Research Unit MolSys; University of Liège; Quartier Agora, Allée du six Aout, 13 4000 Liège (Sart Tilman) Belgium
| | - Victor-Emmanuel Kassin
- Center for Integrated Technology and Organic Synthesis; Department of Chemistry; Research Unit MolSys; University of Liège; Quartier Agora, Allée du six Aout, 13 4000 Liège (Sart Tilman) Belgium
| | - Nelly Ntumba Tshibalonza
- Center for Integrated Technology and Organic Synthesis; Department of Chemistry; Research Unit MolSys; University of Liège; Quartier Agora, Allée du six Aout, 13 4000 Liège (Sart Tilman) Belgium
| | - Michaël Schmitz
- Center for Integrated Technology and Organic Synthesis; Department of Chemistry; Research Unit MolSys; University of Liège; Quartier Agora, Allée du six Aout, 13 4000 Liège (Sart Tilman) Belgium
| | - Jean-Christophe M. Monbaliu
- Center for Integrated Technology and Organic Synthesis; Department of Chemistry; Research Unit MolSys; University of Liège; Quartier Agora, Allée du six Aout, 13 4000 Liège (Sart Tilman) Belgium
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Lima F, Grunenberg L, Rahman HBA, Labes R, Sedelmeier J, Ley SV. Organic photocatalysis for the radical couplings of boronic acid derivatives in batch and flow. Chem Commun (Camb) 2018; 54:5606-5609. [DOI: 10.1039/c8cc02169d] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A convenient organo-photocataytic approach to the radical couplings of boronic acid derivatives is described and applied for APIs synthesis.
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Affiliation(s)
- Fabio Lima
- Department of Chemistry
- University of Cambridge
- Lensfield Road
- Cambridge CB2 1EW
- UK
| | - Lars Grunenberg
- Department of Chemistry
- University of Cambridge
- Lensfield Road
- Cambridge CB2 1EW
- UK
| | | | - Ricardo Labes
- Department of Chemistry
- University of Cambridge
- Lensfield Road
- Cambridge CB2 1EW
- UK
| | | | - Steven V. Ley
- Department of Chemistry
- University of Cambridge
- Lensfield Road
- Cambridge CB2 1EW
- UK
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