1
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Alfano AI, Smyth M, Wharry S, Moody TS, Nuño M, Butters C, Baumann M. Multiphase photochemistry in flow mode via an integrated continuous stirred tank reactor (CSTR) approach. Chem Commun (Camb) 2024. [PMID: 38895750 DOI: 10.1039/d4cc02477j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
A new photochemical CSTR system capable of handling solids in scaled continuous processes is presented. High-power UV-LEDs are integrated in these CSTRs containing an insoluble base that aids in generating pyrazolines via cycloaddition between alkenes and in situ generated diazo species. Contrary to reported batch methods product degradation via ring contraction is suppressed whilst generating gram quantities of spirocyclic pyrazolines.
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Affiliation(s)
| | - Megan Smyth
- Almac Sciences, Technology Department, Craigavon BT63 5QD, UK
| | - Scott Wharry
- Almac Sciences, Technology Department, Craigavon BT63 5QD, UK
| | - Thomas S Moody
- Almac Sciences, Technology Department, Craigavon BT63 5QD, UK
- Arran Chemical Company, Monksland Industrial Estate, Roscommon N37 DN24, Ireland
| | - Manuel Nuño
- Vapourtec, Fornham St Genevieve, Bury St Edmunds, Suffolk, IP28 6TS, UK
| | - Chris Butters
- Vapourtec, Fornham St Genevieve, Bury St Edmunds, Suffolk, IP28 6TS, UK
| | - Marcus Baumann
- School of Chemistry, University College Dublin, Science Centre South, Dublin 4, Ireland.
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2
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Coin G, Jiang T, Bordi S, Nichols PL, Bode JW, Wanner BM. Automated, Capsule-Based Suzuki-Miyaura Cross Couplings. Org Lett 2024; 26:2708-2712. [PMID: 37126221 DOI: 10.1021/acs.orglett.3c01057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The development of an automated process for Suzuki-Miyaura cross couplings is described, in which the complete reaction, workup, and product isolation are effected automatically with no user involvement, aside from loading of the starting materials and reaction capsule. This practical and simple method was successfully demonstrated to provide the desired biaryl products using a range of aryl bromides and boronic acids and is also effective for the late-stage functionalization of aryl halides in bioactive molecules.
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Affiliation(s)
- Guillaume Coin
- Synple Chem AG, Kemptpark 18, 8310 Kemptthal, Switzerland
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Tuo Jiang
- Synple Chem AG, Kemptpark 18, 8310 Kemptthal, Switzerland
| | - Samuele Bordi
- Synple Chem AG, Kemptpark 18, 8310 Kemptthal, Switzerland
| | - Paula L Nichols
- Synple Chem AG, Kemptpark 18, 8310 Kemptthal, Switzerland
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Jeffrey W Bode
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
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3
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Yu J, Liu J, Li C, Huang J, Zhu Y, You H. Recent advances and applications in high-throughput continuous flow. Chem Commun (Camb) 2024; 60:3217-3225. [PMID: 38436212 DOI: 10.1039/d3cc06180a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
High-throughput continuous flow technology has emerged as a revolutionary approach in chemical synthesis, offering accelerated experimentation and improved efficiency. With the aid of process analytical technology and automation, this system not only enables rapid optimisation of reaction conditions at the millimole to the picomole scale, but also facilitates automated scale-up synthesis. It can even achieve the self-planning and self-synthesis of small drug molecules with artificial intelligence incorporated in the system. The versatility of the system is highlighted by its compatibility with both electrochemistry and photochemistry, and its significant applications in organic synthesis and drug discovery. This highlight summarises its recent developments and applications, emphasising its significant impact on advancing research across multiple disciplines.
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Affiliation(s)
- Jiaping Yu
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China.
| | - Jiaying Liu
- Institute of Advanced Technology of Heilongjiang Academy of Sciences, Harbin, 150000, China
| | - Chaoyi Li
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China.
| | - Junrong Huang
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China.
| | - Yuxiang Zhu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China.
| | - Hengzhi You
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China.
- Green Pharmaceutical Engineering Research Centre, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
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4
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Shan C, Li R, Wang X. Efficient construction of a β-naphthol library under continuous flow conditions. RSC Adv 2024; 14:2673-2677. [PMID: 38226147 PMCID: PMC10789443 DOI: 10.1039/d3ra08660g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 01/04/2024] [Indexed: 01/17/2024] Open
Abstract
A β-naphthol library has been efficiently constructed utilizing a mild continuous flow procedure, relying on a tandem Friedel-Crafts reaction and starting from readily available arylacetyl chloride and alkynes. Multiple functionalized β-naphthols can be acquired within 160 s in generally high yields (up to 83%). Using an electron-rich phenylacetyl chloride derivative (4-OH- or 4-MeO-) provides spirofused triene dione as the primary product. A scale-up preparation affords a throughput of 4.70 g h-1, indicating potential large-scale application. Herein, we present a rapid, reliable, and scalable method to obtain various β-naphthols in the compound library.
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Affiliation(s)
- Chao Shan
- Heze University Heze Shandong Province 274015 China
| | - Ranran Li
- Heze University Heze Shandong Province 274015 China
| | - Xinchao Wang
- Heze University Heze Shandong Province 274015 China
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5
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Cao Q, Tibbetts JD, Wrigley GL, Smalley AP, Cresswell AJ. Modular, automated synthesis of spirocyclic tetrahydronaphthyridines from primary alkylamines. Commun Chem 2023; 6:215. [PMID: 37794068 PMCID: PMC10550966 DOI: 10.1038/s42004-023-01012-2] [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: 07/13/2023] [Accepted: 09/22/2023] [Indexed: 10/06/2023] Open
Abstract
Spirocyclic tetrahydronaphthyridines (THNs) are valuable scaffolds for drug discovery campaigns, but access to this 3D chemical space is hampered by a lack of modular and scalable synthetic methods. We hereby report an automated, continuous flow synthesis of α-alkylated and spirocyclic 1,2,3,4-tetrahydro-1,8-naphthyridines ("1,8-THNs"), in addition to their regioisomeric 1,6-THN analogues, from abundant primary amine feedstocks. An annulative disconnection approach based on photoredox-catalysed hydroaminoalkylation (HAA) of halogenated vinylpyridines is sequenced in combination with intramolecular SNAr N-arylation. To access the remaining 1,7- and 1,5-THN isomers, a photoredox-catalysed HAA step is telescoped with a palladium-catalysed C-N bond formation. Altogether, this provides a highly modular access to four isomeric THN cores from a common set of unprotected primary amine starting materials, using the same bond disconnections. The simplifying power of the methodology is illustrated by a concise synthesis of the spirocyclic THN core of Pfizer's MC4R antagonist PF-07258669.
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Affiliation(s)
- Qiao Cao
- Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Joshua D Tibbetts
- Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Gail L Wrigley
- Medicinal Chemistry, Oncology R&D, AstraZeneca, Cambridge, CB4 0WG, UK
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6
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Peña LF, González-Andrés P, Parte LG, Escribano R, Guerra J, Barbero A, López E. Continuous Flow Chemistry: A Novel Technology for the Synthesis of Marine Drugs. Mar Drugs 2023; 21:402. [PMID: 37504932 PMCID: PMC10381277 DOI: 10.3390/md21070402] [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: 06/16/2023] [Revised: 07/06/2023] [Accepted: 07/12/2023] [Indexed: 07/29/2023] Open
Abstract
In this perspective, we showcase the benefits of continuous flow chemistry and photochemistry and how these valuable tools have contributed to the synthesis of organic scaffolds from the marine environment. These technologies have not only facilitated previously described synthetic pathways, but also opened new opportunities in the preparation of novel organic molecules with remarkable pharmacological properties which can be used in drug discovery programs.
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Affiliation(s)
- Laura F Peña
- Department of Organic Chemistry, Campus Miguel Delibes, University of Valladolid, 47011 Valladolid, Spain
| | - Paula González-Andrés
- Department of Organic Chemistry, Campus Miguel Delibes, University of Valladolid, 47011 Valladolid, Spain
| | - Lucía G Parte
- Department of Organic Chemistry, Campus Miguel Delibes, University of Valladolid, 47011 Valladolid, Spain
| | - Raúl Escribano
- Department of Organic Chemistry, Campus Miguel Delibes, University of Valladolid, 47011 Valladolid, Spain
| | - Javier Guerra
- Department of Organic Chemistry, Campus Miguel Delibes, University of Valladolid, 47011 Valladolid, Spain
| | - Asunción Barbero
- Department of Organic Chemistry, Campus Miguel Delibes, University of Valladolid, 47011 Valladolid, Spain
| | - Enol López
- Department of Organic Chemistry, Campus Miguel Delibes, University of Valladolid, 47011 Valladolid, Spain
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7
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Capaldo L, Wen Z, Noël T. A field guide to flow chemistry for synthetic organic chemists. Chem Sci 2023; 14:4230-4247. [PMID: 37123197 PMCID: PMC10132167 DOI: 10.1039/d3sc00992k] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 03/15/2023] [Indexed: 03/17/2023] Open
Abstract
Flow chemistry has unlocked a world of possibilities for the synthetic community, but the idea that it is a mysterious "black box" needs to go. In this review, we show that several of the benefits of microreactor technology can be exploited to push the boundaries in organic synthesis and to unleash unique reactivity and selectivity. By "lifting the veil" on some of the governing principles behind the observed trends, we hope that this review will serve as a useful field guide for those interested in diving into flow chemistry.
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Affiliation(s)
- Luca Capaldo
- Flow Chemistry Group, Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam 1098 XH Amsterdam The Netherlands
| | - Zhenghui Wen
- Flow Chemistry Group, Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam 1098 XH Amsterdam The Netherlands
| | - Timothy Noël
- Flow Chemistry Group, Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam 1098 XH Amsterdam The Netherlands
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8
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Burke A, Di Filippo M, Spiccio S, Schito AM, Caviglia D, Brullo C, Baumann M. Antimicrobial Evaluation of New Pyrazoles, Indazoles and Pyrazolines Prepared in Continuous Flow Mode. Int J Mol Sci 2023; 24:ijms24065319. [PMID: 36982392 PMCID: PMC10048858 DOI: 10.3390/ijms24065319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
Multi-drug resistant bacterial strains (MDR) have become an increasing challenge to our health system, resulting in multiple classical antibiotics being clinically inactive today. As the de-novo development of effective antibiotics is a very costly and time-consuming process, alternative strategies such as the screening of natural and synthetic compound libraries is a simple approach towards finding new lead compounds. We thus report on the antimicrobial evaluation of a small collection of fourteen drug-like compounds featuring indazoles, pyrazoles and pyrazolines as key heterocyclic moieties whose synthesis was achieved in continuous flow mode. It was found that several compounds possessed significant antibacterial potency against clinical and MDR strains of the Staphylococcus and Enterococcus genera, with the lead compound (9) reaching MIC values of 4 µg/mL on those species. In addition, time killing experiments performed on compound 9 on Staphylococcus aureus MDR strains highlight its activity as bacteriostatic. Additional evaluations regarding the physiochemical and pharmacokinetic properties of the most active compounds are reported and showcased, promising drug-likeness, which warrants further explorations of the newly identified antimicrobial lead compound.
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Affiliation(s)
- Adam Burke
- Science Centre South, School of Chemistry, University College Dublin, Dublin 4, Ireland
| | - Mara Di Filippo
- Science Centre South, School of Chemistry, University College Dublin, Dublin 4, Ireland
| | - Silvia Spiccio
- Science Centre South, School of Chemistry, University College Dublin, Dublin 4, Ireland
| | - Anna Maria Schito
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, 16132 Genoa, Italy
| | - Debora Caviglia
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, 16132 Genoa, Italy
- Section of Medicinal Chemistry, Department of Pharmacy (DIFAR), University of Genoa, 16132 Genoa, Italy
| | - Chiara Brullo
- Section of Medicinal Chemistry, Department of Pharmacy (DIFAR), University of Genoa, 16132 Genoa, Italy
| | - Marcus Baumann
- Science Centre South, School of Chemistry, University College Dublin, Dublin 4, Ireland
- Correspondence:
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9
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Flow platform for the synthesis of benzodiazepines. J Flow Chem 2023. [DOI: 10.1007/s41981-022-00243-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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10
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Imamura Y, Ogawa JI, Otake Y, Itoh H. Simultaneous Characterization of Reaction Kinetics and Enthalpy by Calorimetry Based on Spatially Resolved Temperature Profile in Flow Reactors. Org Process Res Dev 2023. [DOI: 10.1021/acs.oprd.2c00251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Affiliation(s)
- Yusuke Imamura
- Innovation Center, Yokogawa Electric Corp., 2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, Japan
| | - Jun-ichi Ogawa
- Innovation Center, Yokogawa Electric Corp., 2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, Japan
| | - Yuma Otake
- Innovation Center, Yokogawa Electric Corp., 2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, Japan
| | - Hidenosuke Itoh
- Innovation Center, Yokogawa Electric Corp., 2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, Japan
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11
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Comito M, Monguzzi R, Tagliapietra S, Palmisano G, Cravotto G. Towards Antibiotic Synthesis in Continuous-Flow Processes. Molecules 2023; 28:molecules28031421. [PMID: 36771086 PMCID: PMC9919330 DOI: 10.3390/molecules28031421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 02/05/2023] Open
Abstract
Continuous-flow chemistry has become a mainstream process and a notable trend among emerging technologies for drug synthesis. It is routinely used in academic and industrial laboratories to generate a wide variety of molecules and building blocks. The advantages it provides, in terms of safety, speed, cost efficiency and small-equipment footprint compared to analog batch processes, have been known for some time. What has become even more important in recent years is its compliance with the quality objectives that are required by drug-development protocols that integrate inline analysis and purification tools. There can be no doubt that worldwide government agencies have strongly encouraged the study and implementation of this innovative, sustainable and environmentally friendly technology. In this brief review, we list and evaluate the development and applications of continuous-flow processes for antibiotic synthesis. This work spans the period of 2012-2022 and highlights the main cases in which either active ingredients or their intermediates were produced under continuous flow. We hope that this manuscript will provide an overview of the field and a starting point for a deeper understanding of the impact of flow chemistry on the broad panorama of antibiotic synthesis.
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Affiliation(s)
- Marziale Comito
- Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Via Pietro Giuria 9, 10125 Turin, Italy
- Research and Development, ACS Dobfar SpA, Via Paullo 9, 20067 Tribiano, Italy
| | - Riccardo Monguzzi
- Research and Development, ACS Dobfar SpA, Via Paullo 9, 20067 Tribiano, Italy
| | - Silvia Tagliapietra
- Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Via Pietro Giuria 9, 10125 Turin, Italy
| | - Giovanni Palmisano
- Dipartimento di Scienza e Alta Tecnologia, University of Insubria, Via Valleggio 9, 22100 Como, Italy
| | - Giancarlo Cravotto
- Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Via Pietro Giuria 9, 10125 Turin, Italy
- Correspondence: ; Tel.: +39-011-670-7183
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12
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Stegemann S, Moreton C, Svanbäck S, Box K, Motte G, Paudel A. Trends in oral small-molecule drug discovery and product development based on product launches before and after the Rule of Five. Drug Discov Today 2023; 28:103344. [PMID: 36442594 DOI: 10.1016/j.drudis.2022.103344] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/28/2022] [Accepted: 09/01/2022] [Indexed: 11/26/2022]
Abstract
In 1997, the 'Rule of Five' (Ro5) suggested physicochemical limitations for orally administered drugs, based on the analysis of chemical libraries from the early 1990s. In this review, we report on the trends in oral drug product development by analyzing products launched between 1994 and 1997 and between 2013 and 2019. Our analysis confirmed that most new oral drugs are within the Ro5 descriptors; however, the number of new drug products of drugs with molecular weight (MW) and calculated partition coefficient (clogP) beyond the Ro5 has slightly increased. Analysis revealed that there is no single scientific or technological reason for this trend, but that it likely results from incremental advances are being made in molecular biology, target diversity, drug design, medicinal chemistry, predictive modeling, drug metabolism and pharmacokinetics, and drug delivery.
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Affiliation(s)
- Sven Stegemann
- Institute for Process and Particle Engineering, Graz University of Technology, Inffeldgasse 13, 8010 Graz, Austria.
| | | | - Sami Svanbäck
- The Solubility Company Ltd, Viikinkaari 4, 00790 Helsinki, Finland
| | - Karl Box
- Pion Inc. (UK) Ltd, Forest Row, UK
| | - Geneviève Motte
- JEN Pharma Consulting, 182 Rue Henri Latour, 1450 Chastre, Belgium
| | - Amrit Paudel
- Institute for Process and Particle Engineering, Graz University of Technology, Inffeldgasse 13, 8010 Graz, Austria; Research Center Pharmaceutical Engineering GmbH, Inffeldgasse 13, 8010 Graz, Austria
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13
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Abdiaj I, Cañellas S, Dieguez A, Linares ML, Pijper B, Fontana A, Rodriguez R, Trabanco A, Palao E, Alcázar J. End-to-End Automated Synthesis of C(sp 3)-Enriched Drug-like Molecules via Negishi Coupling and Novel, Automated Liquid-Liquid Extraction. J Med Chem 2023; 66:716-732. [PMID: 36520521 PMCID: PMC9841985 DOI: 10.1021/acs.jmedchem.2c01646] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Indexed: 12/23/2022]
Abstract
Herein, we report an end-to-end process including synthesis, work-up, purification, and post-purification with minimal human intervention using Negishi coupling as a key transformation to increase Fsp3 in bioactive molecules. The main advantages of this protocol are twofold. First, the automated sequential generation of organozinc reagents from readily available alkyl halides offers a large diversity of alkyl groups to functionalize (hetero)aryl halide scaffolds via Pd-catalyzed Negishi coupling in continuous flow. Second, a fully automated liquid-liquid extraction has been developed and successfully applied for unattended operations. The workflow was completed with mass-triggered preparative high-performance liquid chromatography HPLC, providing an efficient production line of compounds with enriched sp3 character and better drug-like properties. The modular nature allows a smooth adaptation to a wide variety of synthetic methods and protocols and makes it applicable to any medchem laboratory.
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Affiliation(s)
- Irini Abdiaj
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Santiago Cañellas
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Alejandro Dieguez
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Maria Lourdes Linares
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Brenda Pijper
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Alberto Fontana
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Raquel Rodriguez
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Andres Trabanco
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Eduardo Palao
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
| | - Jesus Alcázar
- Discovery Chemistry, Janssen Research
and Development, Janssen-Cilag, S.A., C/ Jarama 75, E-45007Toledo, Spain
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14
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García-Lacuna J, Baumann M. Inline purification in continuous flow synthesis – opportunities and challenges. Beilstein J Org Chem 2022. [DOI: 10.3762/bjoc.18.182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Continuous flow technology has become the method of choice for many academic and industrial researchers when developing new routes to chemical compounds of interest. With this technology maturing over the last decades, robust and oftentimes automated processes are now commonly exploited to generate fine chemical building blocks. The integration of effective inline analysis and purification tools is thereby frequently exploited to achieve effective and reliable flow processes. This perspective article summarizes recent applications of different inline purification techniques such as chromatography, extractions, and crystallization from academic and industrial laboratories. A discussion of the advantages and drawbacks of these tools is provided as a guide to aid researchers in selecting the most appropriate approach for future applications. It is hoped that this perspective contributes to new developments in this field in the context of process and cost efficiency, sustainability and industrial uptake of new flow chemistry tools developed in academia.
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15
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Croci F, Vilím J, Adamopoulou T, Tseliou V, Schoenmakers PJ, Knaus T, Mutti FG. Continuous Flow Biocatalytic Reductive Amination by Co-Entrapping Dehydrogenases with Agarose Gel in a 3D-Printed Mould Reactor. Chembiochem 2022; 23:e202200549. [PMID: 36173971 PMCID: PMC9828473 DOI: 10.1002/cbic.202200549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 09/28/2022] [Indexed: 02/03/2023]
Abstract
Herein, we show how the merge of biocatalysis with flow chemistry aided by 3D-printing technologies can facilitate organic synthesis. This concept was exemplified for the reductive amination of benzaldehyde catalysed by co-immobilised amine dehydrogenase and formate dehydrogenase in a continuous flow micro-reactor. For this purpose, we investigated enzyme co-immobilisation by covalent binding, or ion-affinity binding, or entrapment. Entrapment in an agarose hydrogel turned out to be the most promising solution for this biocatalytic reaction. Therefore, we developed a scalable and customisable approach whereby an agarose hydrogel containing the co-entrapped dehydrogenases was cast in a 3D-printed mould. The reactor was applied to the reductive amination of benzaldehyde in continuous flow over 120 h and afforded 47 % analytical yield and a space-time yield of 7.4 g L day-1 using 0.03 mol% biocatalysts loading. This work also exemplifies how rapid prototyping of enzymatic reactions in flow can be achieved through 3D-printing technology.
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Affiliation(s)
- Federico Croci
- van' t Hoff Institute for Molecular Sciences HIMS-Biocat & Analytical ChemistryUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Jan Vilím
- van' t Hoff Institute for Molecular Sciences HIMS-Biocat & Analytical ChemistryUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Theodora Adamopoulou
- van' t Hoff Institute for Molecular Sciences HIMS-Biocat & Analytical ChemistryUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Vasilis Tseliou
- van' t Hoff Institute for Molecular Sciences HIMS-Biocat & Analytical ChemistryUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Peter J. Schoenmakers
- van' t Hoff Institute for Molecular Sciences HIMS-Biocat & Analytical ChemistryUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Tanja Knaus
- van' t Hoff Institute for Molecular Sciences HIMS-Biocat & Analytical ChemistryUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Francesco G. Mutti
- van' t Hoff Institute for Molecular Sciences HIMS-Biocat & Analytical ChemistryUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
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16
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Bayesian optimization-driven parallel-screening of multiple parameters for the flow synthesis of biaryl compounds. Commun Chem 2022; 5:148. [PMID: 36698029 PMCID: PMC9814103 DOI: 10.1038/s42004-022-00764-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 10/21/2022] [Indexed: 11/12/2022] Open
Abstract
Traditional optimization methods using one variable at a time approach waste time and chemicals and assume that different parameters are independent from one another. Hence, a simpler, more practical, and rapid process for predicting reaction conditions that can be applied to several manufacturing environmentally sustainable processes is highly desirable. In this study, biaryl compounds were synthesized efficiently using an organic Brønsted acid catalyst in a flow system. Bayesian optimization-assisted multi-parameter screening, which employs one-hot encoding and appropriate acquisition function, rapidly predicted the suitable conditions for the synthesis of 2-amino-2'-hydroxy-biaryls (maximum yield of 96%). The established protocol was also applied in an optimization process for the efficient synthesis of 2,2'-dihydroxy biaryls (up to 97% yield). The optimized reaction conditions were successfully applied to gram-scale synthesis. We believe our algorithm can be beneficial as it can screen a reactor design without complicated quantification and descriptors.
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17
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Ianni F, Cerra B, Moroni G, Varfaj I, Michele AD, Gioiello A, Carotti A, Sardella R. Combining molecular modeling approaches to establish the chromatographic enantiomer elution order in the absence of pure enantiomeric standards: A study case with two tetracyclic quinolines. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202200073] [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)
- Federica Ianni
- Department of Pharmaceutical Sciences University of Perugia Perugia Italy
| | - Bruno Cerra
- Department of Pharmaceutical Sciences University of Perugia Perugia Italy
| | - Giada Moroni
- Department of Pharmaceutical Sciences University of Perugia Perugia Italy
| | - Ina Varfaj
- Department of Pharmaceutical Sciences University of Perugia Perugia Italy
| | | | - Antimo Gioiello
- Department of Pharmaceutical Sciences University of Perugia Perugia Italy
| | - Andrea Carotti
- Department of Pharmaceutical Sciences University of Perugia Perugia Italy
| | - Roccaldo Sardella
- Department of Pharmaceutical Sciences University of Perugia Perugia Italy
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18
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de Oliveira Silva RR, Calvo PVC, Merfels CA, Lima MVR, Santana HS, Converti A, Palma MSA. Synthesis of Lobeglitazone intermediates seeking for continuous drug production in flow capillary microreactor. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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19
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Cerra B, Venturoni F, Souma M, Ceccarelli G, Lozza AM, Passeri D, De Franco F, Baxendale IR, Pellicciari R, Macchiarulo A, Gioiello A. Development of 3α,7α-dihydroxy-6α-ethyl-24-nor-5β-cholan-23-sulfate sodium salt (INT-767): Process optimization, synthesis and characterization of metabolites. Eur J Med Chem 2022; 242:114652. [PMID: 36049273 DOI: 10.1016/j.ejmech.2022.114652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/27/2022] [Accepted: 07/31/2022] [Indexed: 11/29/2022]
Abstract
Herein we report our synthetic efforts in supporting the development of the bile alcohol sulfate INT-767, a FXR/TGR5 dual agonist with remarkable therapeutic potential for liver disorders. We describe the process development to a final route for large scale preparation and analogues synthesis. Key sequences include Grignard addition, a one-pot two-step shortening-reduction of the carboxylic side chain, and the final sulfation reaction. The necessity for additional steps such as the protection/deprotection of hydroxyl groups at the steroidal body was also evaluated for step-economy and formation of side-products. Critical bottlenecks such as the side chain degradation have been tackled using flow technology before scaling-up individual steps. The final synthetic route may be successfully employed to produce the amount of INT-767 required to support late-stage clinical development of the compound. Furthermore, potential metabolites have been synthesized, characterized and evaluated for their ability to modulate FXR and TGR5 receptors providing key reference standards for future drug investigations, as well as offering further insights into the structure-activity relationships of this class of compounds.
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Affiliation(s)
- Bruno Cerra
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Francesco Venturoni
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Maria Souma
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Giada Ceccarelli
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Anna Maria Lozza
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Daniela Passeri
- TES Pharma, Via Palmiro Togliatti 20, 06073, Taverne di Corciano, Perugia, Italy
| | - Francesca De Franco
- TES Pharma, Via Palmiro Togliatti 20, 06073, Taverne di Corciano, Perugia, Italy
| | - Ian R Baxendale
- Department of Chemistry, Durham University, South Road, Durham, United Kingdom
| | - Roberto Pellicciari
- TES Pharma, Via Palmiro Togliatti 20, 06073, Taverne di Corciano, Perugia, Italy
| | - Antonio Macchiarulo
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy
| | - Antimo Gioiello
- Laboratory of Medicinal and Advanced Synthetic Chemistry, Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 06122, Perugia, Italy.
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20
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Wan L, Kong G, Liu M, Jiang M, Cheng D, Chen F. Flow chemistry in the multi-step synthesis of natural products. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022] Open
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21
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Connors W, DeKorte R, Lucas SCC, Gopalsamy A, Ziegler RE. Synthesis of Benzothiazinones from Benzoyl Thiocarbamates: Application to Clinical Candidates for Tuberculosis Treatment. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200684] [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)
- William Connors
- AstraZeneca Pharmaceuticals LP Medicinal Chemistry UNITED STATES
| | - Ryan DeKorte
- AstraZeneca Pharmaceuticals LP Medicinal Chemistry UNITED STATES
| | | | | | - Robert E Ziegler
- AstraZeneca Medicinal Chemistry 35 Gatehouse Drive 02451 Waltham UNITED STATES
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22
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Kochmann S, Ivanov NA, Le Blanc JCY, Gorin BI, Krylov SN. Circular Geometry in Molecular Stream Separation to Facilitate Nonorthogonal Field-to-Flow Orientation. Anal Chem 2022; 94:9519-9524. [PMID: 35767324 DOI: 10.1021/acs.analchem.2c01829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Molecular stream separation (MSS) is a promising complement for continuous-flow synthesis. MSS is driven by forces exerted on molecules by a field applied at an angle to the stream-carrying flow. MSS has only been performed with a 90° field-to-flow angle because of a rectangular geometry of canonic MSS; the second-order rotational symmetry of a rectangle prevents any other angle. Here, we propose a noncanonic circular geometry for MSS, which better aligns with the polar nature of MSS and allows changing the field-to-flow. We conducted in silico and experimental studies of circular geometry for continuous-flow electrophoresis (CFE, an MSS method). We proved two advantages of circular CFE over its rectangular counterpart. First, circular CFE can support better flow and electric-field uniformity than rectangular CFE. Second, the nonorthogonal field-to-flow orientation, achievable in circular CFE, can result in a higher stream resolution than the orthogonal one. Considering that circular CFE devices are not more complex in fabrication than rectangular ones, we foresee that circular CFE will serve as a new standard and a testbed for the investigation and creation of new CFE modalities.
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Affiliation(s)
- Sven Kochmann
- Department of Chemistry and Centre for Research on Biomolecular Interactions, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada
| | - Nikita A Ivanov
- Department of Chemistry and Centre for Research on Biomolecular Interactions, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada
| | | | - Boris I Gorin
- Eurofins CDMO Alphora, 2395 Speakman Drive #2001, Mississauga, Ontario L5K 1B3, Canada
| | - Sergey N Krylov
- Department of Chemistry and Centre for Research on Biomolecular Interactions, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada
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23
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Nadal Rodríguez P, Ghashghaei O, Bagán A, Escolano C, Lavilla R. Heterocycle-Based Multicomponent Reactions in Drug Discovery: From Hit Finding to Rational Design. Biomedicines 2022; 10:biomedicines10071488. [PMID: 35884794 PMCID: PMC9313418 DOI: 10.3390/biomedicines10071488] [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: 05/31/2022] [Revised: 06/16/2022] [Accepted: 06/20/2022] [Indexed: 11/16/2022] Open
Abstract
In the context of the structural complexity necessary for a molecule to selectively display a therapeutical action and the requirements for suitable pharmacokinetics, a robust synthetic approach is essential. Typically, thousands of relatively similar compounds should be prepared along the drug discovery process. In this respect, heterocycle-based multicomponent reactions offer advantages over traditional stepwise sequences in terms of synthetic economy, as well as the fast access to chemsets to study the structure activity relationships, the fine tuning of properties, and the preparation of larger amounts for preclinical phases. In this account, we briefly summarize the scientific methodology backing the research line followed by the group. We comment on the main results, clustered according to the targets and, finally, in the conclusion section, we offer a general appraisal of the situation and some perspectives regarding future directions in academic and private research.
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24
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Masui H, Fuse S. Recent Advances in the Solid- and Solution-Phase Synthesis of Peptides and Proteins Using Microflow Technology. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Hisashi Masui
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
| | - Shinichiro Fuse
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
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25
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Shan C, Xu J, Cao L, Liang C, Cheng R, Yao X, Sun M, Ye J. Rapid Synthesis of α-Chiral Piperidines via a Highly Diastereoselective Continuous Flow Protocol. Org Lett 2022; 24:3205-3210. [PMID: 35451304 DOI: 10.1021/acs.orglett.2c00975] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A practical continuous flow protocol has been developed using readily accessible N-(tert-butylsulfinyl)-bromoimine and Grignard reagents, providing various functionalized piperidines (34 examples) in superior results (typically >80% yield and with >90:10 dr) within minutes. The high-performance scale-up is smoothly carried out, and efficient synthesis of the drug precursor further showcases its utility. This flow process offers rapid and scalable access to enantioenriched α-substituted piperidines.
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Affiliation(s)
- Chao Shan
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Jinping Xu
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Liming Cao
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Chaoming Liang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Ruihua Cheng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Xiantong Yao
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Maolin Sun
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Jinxing Ye
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.,School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
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26
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Alfano AI, Lange H, Brindisi M. Amide Bonds Meet Flow Chemistry: A Journey into Methodologies and Sustainable Evolution. CHEMSUSCHEM 2022; 15:e202102708. [PMID: 35015338 PMCID: PMC9304223 DOI: 10.1002/cssc.202102708] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/11/2022] [Indexed: 06/03/2023]
Abstract
Formation of amide bonds is of immanent importance in organic and synthetic medicinal chemistry. Its presence in "traditional" small-molecule active pharmaceutical ingredients, in linear or cyclic oligo- and polypeptidic actives, including pseudopeptides, has led to the development of dedicated synthetic approaches for the formation of amide bonds starting from, if necessary, suitably protected amino acids. While the use of solid supported reagents is common in traditional peptide synthesis, similar approaches targeting amide bond formation in continuous-flow mode took off more significantly, after a first publication in 2006, only a couple of years ago. Most efforts rely upon the transition of traditional approaches in flow mode, or the combination of solid-phase peptide synthesis principles with flow chemistry, and advantages are mainly seen in improving space-time yields. This Review summarizes and compares the various approaches in terms of basic amide formation, peptide synthesis, and pseudopeptide generation, describing the technological approaches and the advantages that were generated by the specific flow approaches. A final discussion highlights potential future needs and perspectives in terms of greener and more sustainable syntheses.
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Affiliation(s)
- Antonella Ilenia Alfano
- SPOTS-Lab – Sustainable Pharmaceutical and Organic Technology and Synthesis LaboratoryUniversity of Naples ‘Federico II', Department of PharmacyVia Domenico Montesano 4980131NaplesItaly
| | - Heiko Lange
- University of Milano-Bicocca Department of Earth and Environmental SciencesPiazza della Scienza 120126MilanItaly
| | - Margherita Brindisi
- SPOTS-Lab – Sustainable Pharmaceutical and Organic Technology and Synthesis LaboratoryUniversity of Naples ‘Federico II', Department of PharmacyVia Domenico Montesano 4980131NaplesItaly
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27
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Donnelly K, Baumann M. Flow synthesis of oxadiazoles coupled with sequential in-line extraction and chromatography. Beilstein J Org Chem 2022; 18:232-239. [PMID: 35280956 PMCID: PMC8895036 DOI: 10.3762/bjoc.18.27] [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: 12/21/2021] [Accepted: 02/18/2022] [Indexed: 11/23/2022] Open
Abstract
An efficient continuous flow process is reported for the synthesis of various 1,3,4-oxadiazoles via an iodine-mediated oxidative cyclisation approach. This entails the use of a heated packed-bed reactor filled with solid K2CO3 as a base. Using DMSO as solvent, this flow method generates the target heterocycles within short residence times of 10 minutes and in yields up to 93%. Scale-up of this flow process was achieved (34 mmol/h) and featured an integrated quenching and extraction step. Lastly, the use of an automated in-line chromatography system was exploited to realise a powerful flow platform for the generation of the heterocyclic targets.
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Affiliation(s)
- Kian Donnelly
- School of Chemistry, University College Dublin, Science Centre South, Belfield, Dublin 4, Ireland
| | - Marcus Baumann
- School of Chemistry, University College Dublin, Science Centre South, Belfield, Dublin 4, Ireland
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28
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Nandiwale KY, Hart T, Zahrt AF, Nambiar AMK, Mahesh PT, Mo Y, Nieves-Remacha MJ, Johnson MD, García-Losada P, Mateos C, Rincón JA, Jensen KF. Continuous stirred-tank reactor cascade platform for self-optimization of reactions involving solids. REACT CHEM ENG 2022. [DOI: 10.1039/d2re00054g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Research-scale fully automated flow platform for reaction self-optimization with solids handling facilitates identification of optimal conditions for continuous manufacturing of pharmaceuticals while reducing amounts of raw materials consumed.
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Affiliation(s)
- Kakasaheb Y. Nandiwale
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
| | - Travis Hart
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
| | - Andrew F. Zahrt
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
| | - Anirudh M. K. Nambiar
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
| | - Prajwal T. Mahesh
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
| | - Yiming Mo
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
| | | | - Martin D. Johnson
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, USA
| | - Pablo García-Losada
- Centro de Investigación Lilly S.A., Avda. de la Industria 30, Alcobendas-Madrid 28108, Spain
| | - Carlos Mateos
- Centro de Investigación Lilly S.A., Avda. de la Industria 30, Alcobendas-Madrid 28108, Spain
| | - Juan A. Rincón
- Centro de Investigación Lilly S.A., Avda. de la Industria 30, Alcobendas-Madrid 28108, Spain
| | - Klavs F. Jensen
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
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29
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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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30
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Knoll S, Jusner CE, Sagmeister P, Williams JD, Hone CA, Horn M, Kappe CO. Autonomous model-based experimental design for rapid reaction development. REACT CHEM ENG 2022. [DOI: 10.1039/d2re00208f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
To automate and democratize model-based experimental design for flow chemistry applications, we report the development of open-source software, Optipus. Reaction models are built in an iterative and automated fashion, for rapid reaction development.
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Affiliation(s)
- Sebastian Knoll
- Institute of Automation and Control, Graz University of Technology, Inffeldgasse 21b, 8010 Graz, Austria
| | - Clemens E. Jusner
- Center for Continuous Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010 Graz, Austria
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010 Graz, Austria
| | - Peter Sagmeister
- Center for Continuous Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010 Graz, Austria
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010 Graz, Austria
| | - Jason D. Williams
- Center for Continuous Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010 Graz, Austria
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010 Graz, Austria
| | - Christopher A. Hone
- Center for Continuous Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010 Graz, Austria
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010 Graz, Austria
| | - Martin Horn
- Institute of Automation and Control, Graz University of Technology, Inffeldgasse 21b, 8010 Graz, Austria
| | - C. Oliver Kappe
- Center for Continuous Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010 Graz, Austria
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010 Graz, Austria
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31
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Sivo A, Kim TK, Ruta V, Luisi R, Osorio-Tejada J, Escriba-Gelonch M, Hessel V, Sponchioni M, Vilé G. Enhanced flow synthesis of small molecules by in-line integration of sequential catalysis and benchtop twin-column continuous chromatography. REACT CHEM ENG 2022. [DOI: 10.1039/d2re00242f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In-line integration of sequential catalysis and continuous multi-column purification. Adapted for small compound amounts (hit-to-lead). Suitable for large-scale purification (process chemistry).
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Affiliation(s)
- Alessandra Sivo
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, IT-20131 Milano, Italy
| | - Tae Keun Kim
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, IT-20131 Milano, Italy
| | - Vincenzo Ruta
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, IT-20131 Milano, Italy
| | - Renzo Luisi
- Department of Pharmacy – Drug Sciences, University of Bari “A. Moro”, Via E. Orabona 4, IT-70125 Bari, Italy
| | | | | | - Volker Hessel
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, North Terrace Campus, Adelaide, 5005, Australia
| | - Mattia Sponchioni
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, IT-20131 Milano, Italy
| | - Gianvito Vilé
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, IT-20131 Milano, Italy
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32
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Sthalam VK, Mahajan B, Karra PR, Singh AK, Pabbaraja S. Sulphonated graphene oxide catalyzed continuous flow synthesis of pyrazolo pyrimidinones, sildenafil and other PDE-5 inhibitors. RSC Adv 2021; 12:326-330. [PMID: 35424481 PMCID: PMC8978682 DOI: 10.1039/d1ra08220e] [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: 11/09/2021] [Accepted: 12/14/2021] [Indexed: 01/24/2023] Open
Abstract
Sulphonated graphene oxide was used for cascade condensation and cyclization reactions towards accessing substituted pyrazolo pyrimidinones. Further, sulphonation and amination reactions were integrated through continuous flow chemistry to access PDE-5 inhibitors. Herein, we report a simple continuous synthetic platform that reduce tedious manual operations and accelerate the synthesis of several potent inhibitors of phosphodiesterase type-5. The developed platform enabled us to perform one-flow multi-step, multi-operational process to synthesize the PDE-5 inhibitors such as sildenafil and its analogues in 32.3 min of the reaction time, with minimal human intervention and single solvent.
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Affiliation(s)
- Vinay Kumar Sthalam
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical TechnologyHyderabad500007India,Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre (CSIR-HRDC) CampusGhaziabad 201002Uttar PradeshIndia
| | - Bhushan Mahajan
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical TechnologyHyderabad500007India,Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre (CSIR-HRDC) CampusGhaziabad 201002Uttar PradeshIndia
| | - Purushotham Reddy Karra
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical TechnologyHyderabad500007India
| | - Ajay K. Singh
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical TechnologyHyderabad500007India,Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre (CSIR-HRDC) CampusGhaziabad 201002Uttar PradeshIndia
| | - Srihari Pabbaraja
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical TechnologyHyderabad500007India,Academy of Scientific and Innovative Research (AcSIR), CSIR-Human Resource Development Centre (CSIR-HRDC) CampusGhaziabad 201002Uttar PradeshIndia
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33
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Wang Z, Zhou Y, Chen M. Computer‐Aided
Living Polymerization Conducted under
Continuous‐Flow
Conditions
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100544] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zeyu Wang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University Shanghai 200438 China
| | - Yang Zhou
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University Shanghai 200438 China
| | - Mao Chen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University Shanghai 200438 China
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34
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SBA15-supported nano-ruthenium catalyst for the oxidative cleavage of alkenes to aldehydes under flow conditions. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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35
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Continuous Flow Synthesis of Anticancer Drugs. Molecules 2021; 26:molecules26226992. [PMID: 34834084 PMCID: PMC8625794 DOI: 10.3390/molecules26226992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 12/27/2022] Open
Abstract
Continuous flow chemistry is by now an established and valued synthesis technology regularly exploited in academic and industrial laboratories to bring about the improved preparation of a variety of molecular structures. Benefits such as better heat and mass transfer, improved process control and safety, a small equipment footprint, as well as the ability to integrate in-line analysis and purification tools into telescoped sequences are often cited when comparing flow to analogous batch processes. In this short review, the latest developments regarding the exploitation of continuous flow protocols towards the synthesis of anticancer drugs are evaluated. Our efforts focus predominately on the period of 2016-2021 and highlight key case studies where either the final active pharmaceutical ingredient (API) or its building blocks were produced continuously. It is hoped that this manuscript will serve as a useful synopsis showcasing the impact of continuous flow chemistry towards the generation of important anticancer drugs.
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Jia P, Pei J, Wang G, Pan X, Zhu Y, Wu Y, Ouyang L. The roles of computer-aided drug synthesis in drug development. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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Goel S, Khulbe M, Aggarwal A, Kathuria A. Recent advances in continuous flow synthesis of heterocycles. Mol Divers 2021; 26:2939-2948. [PMID: 34661798 DOI: 10.1007/s11030-021-10338-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 10/06/2021] [Indexed: 12/16/2022]
Abstract
In the current scenario, flow chemistry is emerging as a significant technology in the field of organic synthesis. This miniaturized protocol including microreactors facilitates excellent heat transfer, low solvent wastage, lesser reaction time, a safer environment for reagent handling and appreciable yields of desired products. Thus, this "enabling technology" has a great scope in the synthesis and preparation of a variety of heterocycles that require toxic reagents as starting materials. This review discusses the recent advances (2020-2021) in continuous flow strategy for synthesis and derivatization of variety of heterocyclic entities, of different ring size, using different approaches. This also highlights the advantages of different combined techniques like Microwave assisted heating, electrochemical flow cell, LED light source, NMR and FT-IR analysis, etc., that enables utilization of various mechanisms and real-time monitoring of reactions leading to improved results.
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Affiliation(s)
- Shruti Goel
- Department of Chemistry, Ramjas College, University of Delhi, Delhi, 110007, India
| | - Mihir Khulbe
- Department of Chemistry, Ramjas College, University of Delhi, Delhi, 110007, India
| | - Anshul Aggarwal
- Department of Chemistry, IIT Roorkee, Roorkee, Uttarakhand, 247667, India
| | - Abha Kathuria
- Department of Chemistry, Ramjas College, University of Delhi, Delhi, 110007, India.
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Abstract
Azetidinium salts are important motifs in organic synthesis but are difficult to obtain due to extremely long synthetic protocols. Herein, a rapid continuous-flow process for the on-demand synthesis of azetidinium salts is described. In particular, the nucleophilic addition of secondary amines and the subsequent intramolecular N-cyclization have been investigated in batch and continuous-flow modes, exploring the effects of solvent type, temperature, reaction time, and amine substituent on the synthesis of azetidinium salts. This has enabled us to quickly identify optimal reaction conditions and obtain microkinetic parameters, verifying that the use of a flow reactor leads to a reduction of the activation energy for the epichlorohydrin aminolysis due to the better control of mass and heat transfer during reaction. This confirms the key role of continuous-flow technologies to affect the kinetics of a reaction and make synthetic protocols ultrarapid and more efficient.
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Affiliation(s)
- Alessandra Sivo
- Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, IT-20133 Milano, Italy
| | - Vincenzo Ruta
- Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, IT-20133 Milano, Italy
| | - Gianvito Vilé
- Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, IT-20133 Milano, Italy
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39
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Han C, Deng J, Wang K, Luo G. Continuous-flow synthesis of polymethylsilsesquioxane spheres in a microreaction system. POWDER TECHNOL 2021. [DOI: 10.1016/j.powtec.2021.05.086] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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40
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Harnessing artificial intelligence for the next generation of 3D printed medicines. Adv Drug Deliv Rev 2021; 175:113805. [PMID: 34019957 DOI: 10.1016/j.addr.2021.05.015] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/02/2021] [Accepted: 05/13/2021] [Indexed: 02/06/2023]
Abstract
Artificial intelligence (AI) is redefining how we exist in the world. In almost every sector of society, AI is performing tasks with super-human speed and intellect; from the prediction of stock market trends to driverless vehicles, diagnosis of disease, and robotic surgery. Despite this growing success, the pharmaceutical field is yet to truly harness AI. Development and manufacture of medicines remains largely in a 'one size fits all' paradigm, in which mass-produced, identical formulations are expected to meet individual patient needs. Recently, 3D printing (3DP) has illuminated a path for on-demand production of fully customisable medicines. Due to its flexibility, pharmaceutical 3DP presents innumerable options during formulation development that generally require expert navigation. Leveraging AI within pharmaceutical 3DP removes the need for human expertise, as optimal process parameters can be accurately predicted by machine learning. AI can also be incorporated into a pharmaceutical 3DP 'Internet of Things', moving the personalised production of medicines into an intelligent, streamlined, and autonomous pipeline. Supportive infrastructure, such as The Cloud and blockchain, will also play a vital role. Crucially, these technologies will expedite the use of pharmaceutical 3DP in clinical settings and drive the global movement towards personalised medicine and Industry 4.0.
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Ronchetti R, Moroni G, Carotti A, Gioiello A, Camaioni E. Recent advances in urea- and thiourea-containing compounds: focus on innovative approaches in medicinal chemistry and organic synthesis. RSC Med Chem 2021; 12:1046-1064. [PMID: 34355177 PMCID: PMC8293013 DOI: 10.1039/d1md00058f] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/23/2021] [Indexed: 12/18/2022] Open
Abstract
Urea and thiourea represent privileged structures in medicinal chemistry. Indeed, these moieties constitute a common framework of a variety of drugs and bioactive compounds endowed with a broad range of therapeutic and pharmacological properties. Herein, we provide an overview of the state-of-the-art of urea and thiourea-containing pharmaceuticals. We also review the diverse approaches pursued for (thio)urea bioisosteric replacements in medicinal chemistry applications. Finally, representative examples of recent advances in the synthesis of urea- and thiourea-based compounds by enabling chemical tools are discussed.
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Affiliation(s)
- Riccardo Ronchetti
- Department of Pharmaceutical Sciences, University of Perugia Via del Liceo 1 06123 Perugia Italy +39 075 5855161 +39 075 5855129
| | - Giada Moroni
- Department of Pharmaceutical Sciences, University of Perugia Via del Liceo 1 06123 Perugia Italy +39 075 5855161 +39 075 5855129
- Department of Chemistry "Giacomo Ciamician", Alma Mater Studiorum, University of Bologna Via Selmi 2 40126 Bologna Italy
| | - Andrea Carotti
- Department of Pharmaceutical Sciences, University of Perugia Via del Liceo 1 06123 Perugia Italy +39 075 5855161 +39 075 5855129
| | - Antimo Gioiello
- Department of Pharmaceutical Sciences, University of Perugia Via del Liceo 1 06123 Perugia Italy +39 075 5855161 +39 075 5855129
| | - Emidio Camaioni
- Department of Pharmaceutical Sciences, University of Perugia Via del Liceo 1 06123 Perugia Italy +39 075 5855161 +39 075 5855129
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42
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Soheilmoghaddam F, Rumble M, Cooper-White J. High-Throughput Routes to Biomaterials Discovery. Chem Rev 2021; 121:10792-10864. [PMID: 34213880 DOI: 10.1021/acs.chemrev.0c01026] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Many existing clinical treatments are limited in their ability to completely restore decreased or lost tissue and organ function, an unenviable situation only further exacerbated by a globally aging population. As a result, the demand for new medical interventions has increased substantially over the past 20 years, with the burgeoning fields of gene therapy, tissue engineering, and regenerative medicine showing promise to offer solutions for full repair or replacement of damaged or aging tissues. Success in these fields, however, inherently relies on biomaterials that are engendered with the ability to provide the necessary biological cues mimicking native extracellular matrixes that support cell fate. Accelerating the development of such "directive" biomaterials requires a shift in current design practices toward those that enable rapid synthesis and characterization of polymeric materials and the coupling of these processes with techniques that enable similarly rapid quantification and optimization of the interactions between these new material systems and target cells and tissues. This manuscript reviews recent advances in combinatorial and high-throughput (HT) technologies applied to polymeric biomaterial synthesis, fabrication, and chemical, physical, and biological screening with targeted end-point applications in the fields of gene therapy, tissue engineering, and regenerative medicine. Limitations of, and future opportunities for, the further application of these research tools and methodologies are also discussed.
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Affiliation(s)
- Farhad Soheilmoghaddam
- Tissue Engineering and Microfluidics Laboratory (TEaM), Australian Institute for Bioengineering and Nanotechnology (AIBN), University Of Queensland, St. Lucia, Queensland, Australia 4072.,School of Chemical Engineering, University Of Queensland, St. Lucia, Queensland, Australia 4072
| | - Madeleine Rumble
- Tissue Engineering and Microfluidics Laboratory (TEaM), Australian Institute for Bioengineering and Nanotechnology (AIBN), University Of Queensland, St. Lucia, Queensland, Australia 4072.,School of Chemical Engineering, University Of Queensland, St. Lucia, Queensland, Australia 4072
| | - Justin Cooper-White
- Tissue Engineering and Microfluidics Laboratory (TEaM), Australian Institute for Bioengineering and Nanotechnology (AIBN), University Of Queensland, St. Lucia, Queensland, Australia 4072.,School of Chemical Engineering, University Of Queensland, St. Lucia, Queensland, Australia 4072
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43
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Sun AM, Hoffman T, Luu BQ, Ashammakhi N, Li S. Application of lung microphysiological systems to COVID-19 modeling and drug discovery: a review. Biodes Manuf 2021; 4:757-775. [PMID: 34178414 PMCID: PMC8213042 DOI: 10.1007/s42242-021-00136-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 05/13/2021] [Indexed: 01/08/2023]
Abstract
There is a pressing need for effective therapeutics for coronavirus disease 2019 (COVID-19), the respiratory disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus. The process of drug development is a costly and meticulously paced process, where progress is often hindered by the failure of initially promising leads. To aid this challenge, in vitro human microphysiological systems need to be refined and adapted for mechanistic studies and drug screening, thereby saving valuable time and resources during a pandemic crisis. The SARS-CoV-2 virus attacks the lung, an organ where the unique three-dimensional (3D) structure of its functional units is critical for proper respiratory function. The in vitro lung models essentially recapitulate the distinct tissue structure and the dynamic mechanical and biological interactions between different cell types. Current model systems include Transwell, organoid and organ-on-a-chip or microphysiological systems (MPSs). We review models that have direct relevance toward modeling the pathology of COVID-19, including the processes of inflammation, edema, coagulation, as well as lung immune function. We also consider the practical issues that may influence the design and fabrication of MPS. The role of lung MPS is addressed in the context of multi-organ models, and it is discussed how high-throughput screening and artificial intelligence can be integrated with lung MPS to accelerate drug development for COVID-19 and other infectious diseases.
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Affiliation(s)
- Argus M. Sun
- Department of Bioengineering, Samueli School of Engineering, University of California - Los Angeles, 420 Westwood Plaza 5121 Engineering V University of California, Los Angeles, CA 90095-1600 USA
- UC San Diego Healthcare, UCSD, La Jolla, CA 92037 USA
| | - Tyler Hoffman
- Department of Bioengineering, Samueli School of Engineering, University of California - Los Angeles, 420 Westwood Plaza 5121 Engineering V University of California, Los Angeles, CA 90095-1600 USA
| | - Bao Q. Luu
- Pulmonary Diseases and Critical Care, Scripps Green Hospital, Scripps Health, La Jolla, CA 92037 USA
| | - Nureddin Ashammakhi
- Department of Bioengineering, Samueli School of Engineering, University of California - Los Angeles, 420 Westwood Plaza 5121 Engineering V University of California, Los Angeles, CA 90095-1600 USA
- Department of Biomedical Engineering, College of Engineering, Michigan State University, East Lansing, MI 48824 USA
| | - Song Li
- Department of Bioengineering, Samueli School of Engineering, University of California - Los Angeles, 420 Westwood Plaza 5121 Engineering V University of California, Los Angeles, CA 90095-1600 USA
- Department of Medicine, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095 USA
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44
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Leslie A, Moody TS, Smyth M, Wharry S, Baumann M. Coupling biocatalysis with high-energy flow reactions for the synthesis of carbamates and β-amino acid derivatives. Beilstein J Org Chem 2021; 17:379-384. [PMID: 33828617 PMCID: PMC7871027 DOI: 10.3762/bjoc.17.33] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 01/27/2021] [Indexed: 11/23/2022] Open
Abstract
A continuous flow process is presented that couples a Curtius rearrangement step with a biocatalytic impurity tagging strategy to produce a series of valuable Cbz-carbamate products. Immobilized CALB was exploited as a robust hydrolase to transform residual benzyl alcohol into easily separable benzyl butyrate. The resulting telescoped flow process was effectively applied across a series of acid substrates rendering the desired carbamate structures in high yield and purity. The derivatization of these products via complementary flow-based Michael addition reactions furthermore demonstrated the creation of β-amino acid species. This strategy thus highlights the applicability of this work towards the creation of important chemical building blocks for the pharmaceutical and speciality chemical industries.
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Affiliation(s)
- Alexander Leslie
- School of Chemistry, University College Dublin, D04 N2E2, Ireland
| | - Thomas S Moody
- Almac Group Ltd., Craigavon BT63 5QD, United Kingdom.,Arran Chemical Company, Athlone, Co. Roscommon N37 DN24, Ireland
| | - Megan Smyth
- Almac Group Ltd., Craigavon BT63 5QD, United Kingdom
| | - Scott Wharry
- Almac Group Ltd., Craigavon BT63 5QD, United Kingdom
| | - Marcus Baumann
- School of Chemistry, University College Dublin, D04 N2E2, Ireland
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45
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Fülöp Z, Bana P, Greiner I, Éles J. C-N Bond Formation by Consecutive Continuous-Flow Reductions towards A Medicinally Relevant Piperazine Derivative. Molecules 2021; 26:molecules26072040. [PMID: 33918489 PMCID: PMC8038289 DOI: 10.3390/molecules26072040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 03/29/2021] [Accepted: 03/29/2021] [Indexed: 11/16/2022] Open
Abstract
A new, continuous-flow consecutive reduction method was developed for the C-N bond formation in the synthesis of the key intermediate of the antipsychotic drug cariprazine. The two-step procedure consists of a DIBAL-H mediated selective ester reduction conducted in a novel, miniature alternating diameter reactor, followed by reductive amination using catalytic hydrogenation on 5% Pt/C. The connection of the optimized modules was accomplished using an at-line extraction to prevent precipitation of the aluminum salt byproducts.
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Affiliation(s)
- Zsolt Fülöp
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary;
| | - Péter Bana
- Gedeon Richter Plc, PO Box 27, 1475 Budapest, Hungary; (P.B.); (I.G.)
| | - István Greiner
- Gedeon Richter Plc, PO Box 27, 1475 Budapest, Hungary; (P.B.); (I.G.)
| | - János Éles
- Gedeon Richter Plc, PO Box 27, 1475 Budapest, Hungary; (P.B.); (I.G.)
- Correspondence: ; Tel.: +36-1-889-8703
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46
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Donnelly K, Baumann M. A continuous flow synthesis of [1.1.1]propellane and bicyclo[1.1.1]pentane derivatives. Chem Commun (Camb) 2021; 57:2871-2874. [PMID: 33616143 DOI: 10.1039/d0cc08124h] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A continuous flow process to generate [1.1.1]propellane on demand is presented rendering solutions of [1.1.1]propellane that can directly be derivatised into various bicyclo[1.1.1]pentane (BCP) species. This was realised in throughputs up to 8.5 mmol h-1 providing an attractive and straightforward access to gram quantities of selected BCP building blocks. Lastly, a continuous photochemical transformation of [1.1.1]propellane into valuable BCPs bearing mixed ester/acyl chloride moieties was developed.
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Affiliation(s)
- Kian Donnelly
- School of Chemistry, University College Dublin, Science Centre South, Belfield, D04 N2E2, Ireland.
| | - Marcus Baumann
- School of Chemistry, University College Dublin, Science Centre South, Belfield, D04 N2E2, Ireland.
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47
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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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48
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Cerra B, Gioiello A. Future medicinal chemists experience flow chemistry: optimization by experimental design of the limiting synthetic step to the antifungal drug econazole nitrate. J Flow Chem 2021. [DOI: 10.1007/s41981-020-00136-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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49
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Sivo A, Galaverna RDS, Gomes GR, Pastre JC, Vilé G. From circular synthesis to material manufacturing: advances, challenges, and future steps for using flow chemistry in novel application area. REACT CHEM ENG 2021. [DOI: 10.1039/d0re00411a] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We review the emerging use of flow technologies for circular chemistry and material manufacturing, highlighting advances, challenges, and future directions.
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Affiliation(s)
- Alessandra Sivo
- Department of Chemistry
- Materials and Chemical Engineering “Giulio Natta”
- Politecnico di Milano
- IT-20131 Milano
- Italy
| | | | | | | | - Gianvito Vilé
- Department of Chemistry
- Materials and Chemical Engineering “Giulio Natta”
- Politecnico di Milano
- IT-20131 Milano
- Italy
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50
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O'Beirne C, Piatek ME, Fossen J, Müller-Bunz H, Andes DR, Kavanagh K, Patil SA, Baumann M, Tacke M. Continuous flow synthesis and antimicrobial evaluation of NHC* silver carboxylate derivatives of SBC3 in vitro and in vivo. Metallomics 2020; 13:6055688. [PMID: 33595656 DOI: 10.1093/mtomcs/mfaa011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 12/24/2020] [Indexed: 11/14/2022]
Abstract
N-heterocyclic silver carbene compounds have been extensively studied and shown to be active agents against a host of pathogenic bacteria and fungi. By incorporating hypothesized virulence targeting substituents into NHC-silver systems via salt metathesis, an atom-efficient complexation process can be used to develop new complexes to target the passive and active systems of a microbial cell. The incorporation of fatty acids and an FtsZ inhibitor have been achieved, and creation of both the intermediate salt and subsequent silver complex has been streamlined into a continuous flow process. Biological evaluation was conducted with in vitro toxicology assays showing these novel complexes had excellent inhibition against Gram-negative strains E. coli, P. aeruginosa, and K. pneumoniae; further studies also confirmed the ability to inhibit biofilm formation in methicillin-resistant Staphylococcus aureus (MRSA) and C. Parapsilosis. In vivo testing using a murine thigh infection model showed promising inhibition of MRSA for the lead compound SBC3, which is derived from 1,3-dibenzyl-4,5-diphenylimidazol-2-ylidene (NHC*).
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Affiliation(s)
- Cillian O'Beirne
- School of Chemistry, University College Dublin, Belfield, Stillorgan, Dublin 4, Republic of Ireland
| | - Magdalena E Piatek
- SSPC Pharma Research Centre, Department of Biology, Maynooth University, Maynooth, W23F2H6 Co. Kildare, Republic of Ireland
| | - Jen Fossen
- Department of Medicine, University of Wisconsin, 600 Highland Avenue, Madison, WI, USA
| | - Helge Müller-Bunz
- School of Chemistry, University College Dublin, Belfield, Stillorgan, Dublin 4, Republic of Ireland
| | - David R Andes
- Department of Medicine, University of Wisconsin, 600 Highland Avenue, Madison, WI, USA
| | - Kevin Kavanagh
- SSPC Pharma Research Centre, Department of Biology, Maynooth University, Maynooth, W23F2H6 Co. Kildare, Republic of Ireland
| | - Siddappa A Patil
- Centre for Nano and Material Sciences, Jain University, Bangalore, Karnataka, India
| | - Marcus Baumann
- School of Chemistry, University College Dublin, Belfield, Stillorgan, Dublin 4, Republic of Ireland
| | - Matthias Tacke
- School of Chemistry, University College Dublin, Belfield, Stillorgan, Dublin 4, Republic of Ireland
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