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Cheng B, Wang Q, An Y, Chen F. Recent advances in the total synthesis of galantamine, a natural medicine for Alzheimer's disease. Nat Prod Rep 2024. [PMID: 38450550 DOI: 10.1039/d4np00001c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Covering: 2006 to 2023(-)-Galantamine is a natural product with distinctive structural features and potent inhibitory activity against acetylcholine esterase (AChE). It is clinically approved for the treatment of Alzheimer's disease. The clinical significance and scarcity of this natural product have prompted extensive and ongoing efforts towards the chemical synthesis of this challenging tetracyclic structure. The objective of this review is to summarize and discuss recent progress in the total synthesis of galantamine from 2006 to 2023. The contents are organized according to the synthetic strategies for the construction of the quaternary center. Key features of each synthesis have been highlighted, followed by a summary and outlook at the end.
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Affiliation(s)
- Bichu Cheng
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China.
- School of Science, Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology, Shenzhen 518055, China
| | - Qi Wang
- School of Science, Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology, Shenzhen 518055, China
| | - Yi An
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China.
| | - Fener Chen
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China.
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
- School of Science, Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology, Shenzhen 518055, China
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2
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Abstract
Organoboron acids are stable, organic-soluble Lewis acids with potential application as catalysts for a wide variety of chemical reactions. In this review, we summarize the utility of boronic and borinic acids, as well as boric acid, as catalysts for organic transformations. Typically, the catalytic processes exploit the Lewis acidity of trivalent boron, enabling the reversible formation of a covalent bond with oxygen. Our focus is on recent developments in the catalysis of dehydration, carbonyl condensation, acylation, alkylation, and cycloaddition reactions. We conclude that organoboron acids have a highly favorable prospectus as the source of new catalysts.
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Affiliation(s)
- Brian J Graham
- Department of Chemistry, Massachusetts Institute of Technology 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Ronald T Raines
- Department of Chemistry, Massachusetts Institute of Technology 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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3
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Singh T, Upreti GC, Arora S, Chauhan H, Singh A. Visible Light-Mediated Carbamoylation of para-Quinone Methides. J Org Chem 2023. [PMID: 36792547 DOI: 10.1021/acs.joc.2c02394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
We report a photocatalytic approach for the installation of the amide moiety onto para-quinone methides. This transformation features a net reductive approach for the generation of carbamoyl radicals from amide-substituted Hantzsch ester derivatives under transition metal-free conditions. This protocol exhibits wide scope and allows access to diarylacetamides employing a C-C bond formation approach.
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Affiliation(s)
- Tavinder Singh
- Department of Chemistry, IIT Kanpur, Kanpur, UP 208016, India
| | | | - Shivani Arora
- Department of Chemistry, IIT Kanpur, Kanpur, UP 208016, India
| | | | - Anand Singh
- Department of Chemistry, IIT Kanpur, Kanpur, UP 208016, India.,Department of Sustainable Energy Engineering, IIT Kanpur, Kanpur, UP 208016, India
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4
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Tamboli Y, Kilbile JT, Merwade AY. Large-Scale Amide Coupling in Aqueous Media: Process for the Production of Diazabicyclooctane β-Lactamase Inhibitors. Org Process Res Dev 2023. [DOI: 10.1021/acs.oprd.2c00299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Yasinalli Tamboli
- Wockhardt Research Centre, D-4, MIDC, Chikalthana, Aurangabad431 006, India
| | - Jaydeo T. Kilbile
- Wockhardt Research Centre, D-4, MIDC, Chikalthana, Aurangabad431 006, India
| | - Arvind Y. Merwade
- Wockhardt Research Centre, D-4, MIDC, Chikalthana, Aurangabad431 006, India
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5
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Mailyan AK, Mata G, Miles DH, Sharif EU, Leleti MR, Powers JP, Jeffrey JL. Development of a Robust and Scalable Synthetic Route for a Potent and Selective Isoindolinone PI3Kγ Inhibitor. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Artur K. Mailyan
- Arcus Biosciences Inc., 3928 Point Eden Way, Hayward, California 94545, United States
| | - Guillaume Mata
- Arcus Biosciences Inc., 3928 Point Eden Way, Hayward, California 94545, United States
| | - Dillon H. Miles
- Arcus Biosciences Inc., 3928 Point Eden Way, Hayward, California 94545, United States
| | - Ehesan U. Sharif
- Arcus Biosciences Inc., 3928 Point Eden Way, Hayward, California 94545, United States
| | - Manmohan R. Leleti
- Arcus Biosciences Inc., 3928 Point Eden Way, Hayward, California 94545, United States
| | - Jay P. Powers
- Arcus Biosciences Inc., 3928 Point Eden Way, Hayward, California 94545, United States
| | - Jenna L. Jeffrey
- Arcus Biosciences Inc., 3928 Point Eden Way, Hayward, California 94545, United States
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6
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Magano J. Large-Scale Amidations in Process Chemistry: Practical Considerations for Reagent Selection and Reaction Execution. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00005] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Javier Magano
- Chemical Research & Development, Pfizer Worldwide Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
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7
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Lu B, Xiao WJ, Chen JR. Recent Advances in Visible-Light-Mediated Amide Synthesis. Molecules 2022; 27:517. [PMID: 35056829 PMCID: PMC8781888 DOI: 10.3390/molecules27020517] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 12/10/2022] Open
Abstract
Visible-light photoredox catalysis has attracted tremendous interest within the synthetic community. As such, the activation mode potentially provides a more sustainable and efficient platform for the activation of organic molecules, enabling the invention of many controlled radical-involved reactions under mild conditions. In this context, amide synthesis via the strategy of photoredox catalysis has received growing interest due to the ubiquitous presence of this structural motif in numerous natural products, pharmaceuticals and functionalized materials. Employing this strategy, a wide variety of amides can be prepared effectively from halides, arenes and even alkanes under irradiation of visible light. These methods provide a robust alternative to well-established strategies for amide synthesis that involve condensation between a carboxylic acid and amine mediated by a stoichiometric activating agent. In this review, the representative progresses made on the synthesis of amides through visible light-mediated radical reactions are summarized.
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Affiliation(s)
- Bin Lu
- Key Laboratory of Pesticides and Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China; (B.L.); (W.-J.X.)
| | - Wen-Jing Xiao
- Key Laboratory of Pesticides and Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China; (B.L.); (W.-J.X.)
| | - Jia-Rong Chen
- Key Laboratory of Pesticides and Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China; (B.L.); (W.-J.X.)
- School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang 453007, China
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8
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Chitosan-based hydrogel crosslinked through an aza-Michael addition catalyzed by boric acid. Int J Biol Macromol 2021; 193:1032-1042. [PMID: 34800516 DOI: 10.1016/j.ijbiomac.2021.11.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/13/2021] [Accepted: 11/12/2021] [Indexed: 02/05/2023]
Abstract
Polysaccharide-based hydrogels are particularly attractive materials for biomedical applications. However, their use is restricted due to their brittleness and poor mechanical properties. Here, to overcome such limitations, we report an original, green, simple, and efficient strategy to synthesize a polysaccharide-based hydrogel of chitosan (Cht) and a vinyl-functionalized PVA (PVA-MA), a non-toxic synthetic polymer that is widely known to improve the mechanical properties and stability of materials containing polysaccharides. The hydrogel was crosslinked through an aza-Michael addition among the amino groups of Cht with the vinyl moieties of PVA-MA catalyzed by boric acid (B(OH)3), an eco-friendly inorganic compound. Characterization analyses revealed that the prepared hydrogel has a porous-like morphology, an outstanding liquid uptake capacity (>665%), and improved stability in a physiological fluid for long periods. In summary, this original and simple strategy showed to be efficient in the synthesis of hydrogels with attractive properties for the biomedical field application.
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Duale K, Latos P, Chrobok A, Domiński A, Maksymiak MM, Adamus G, Kowalczuk M. Towards Advances in Molecular Understanding of Boric Acid Biocatalyzed Ring-Opening (Co)Polymerization of δ-Valerolactone in the Presence of Ethylene Glycol as an Initiator. Molecules 2021; 26:4859. [PMID: 34443448 PMCID: PMC8399499 DOI: 10.3390/molecules26164859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/04/2021] [Accepted: 08/09/2021] [Indexed: 11/25/2022] Open
Abstract
Following our previous studies on the molecular level structure of (co)oligoesters obtained via anionic homo- and co-polymerization of novel β-substituted β-lactones, prepared by the atmospheric pressure carbonylation reaction of respective epoxides, the boric acid biocatalyzed ring-opening (co)polymerization of δ-valerolactone has been studied. As a co-monomer the 6-methy-ε-caprolactone, prepared by the one-pot oxidation of respective alcohol, and ethylene glycol as polymerization initiator were used. The obtained copolymers were characterized by 1H-NMR, GPC and ESI-MS, respectively in order to confirm their chemical structures and identity. Subsequently, tandem mass spectrometry (MS-MS studies) via collision-induced dissociation were utilized to characterize the fragmentation pattern. ESI-MS and NMR analyses confirmed the formation of random linear copolymer chains composed of different polyester repeat units. MS-MS experiments showed that fragmentation proceeds via ester bound cleavage along the (co)polyester chains. The innovative aspect of this contribution is related to the elaboration of the telechelic (co)polymers end-capped with hydroxyl end groups and well-defined molecular architectures, which could facilitate the development of new flexible macromolecular systems for potential biomedical applications.
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Affiliation(s)
- Khadar Duale
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34, M. Curie-Sklodowska St., 41-819 Zabrze, Poland; (A.D.); (M.M.M.); (G.A.)
| | - Piotr Latos
- Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (P.L.); (A.C.)
| | - Anna Chrobok
- Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (P.L.); (A.C.)
| | - Adrian Domiński
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34, M. Curie-Sklodowska St., 41-819 Zabrze, Poland; (A.D.); (M.M.M.); (G.A.)
| | - Magdalena Martinka Maksymiak
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34, M. Curie-Sklodowska St., 41-819 Zabrze, Poland; (A.D.); (M.M.M.); (G.A.)
| | - Grażyna Adamus
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34, M. Curie-Sklodowska St., 41-819 Zabrze, Poland; (A.D.); (M.M.M.); (G.A.)
| | - Marek Kowalczuk
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34, M. Curie-Sklodowska St., 41-819 Zabrze, Poland; (A.D.); (M.M.M.); (G.A.)
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10
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Ramachandran PV, Hamann HJ. Ammonia-borane as a Catalyst for the Direct Amidation of Carboxylic Acids. Org Lett 2021; 23:2938-2942. [PMID: 33826344 DOI: 10.1021/acs.orglett.1c00591] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Ammonia-borane serves as an efficient substoichiometric (10%) precatalyst for the direct amidation of both aromatic and aliphatic carboxylic acids. In situ generation of amine-boranes precedes the amidation and, unlike the amidation with stoichiometric amine-boranes, this process is facile with 1 equiv of the acid. This methodology has high functional group tolerance and chromatography-free purification but is not amenable for esterification. The latter feature has been exploited to prepare hydroxyl- and thiol-containing amides.
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Affiliation(s)
- P Veeraraghavan Ramachandran
- Herbert C. Brown Center for Borane Research, Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Henry J Hamann
- Herbert C. Brown Center for Borane Research, Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
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11
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Zhao MM, Zhang H, Iimura S, Bednarz MS, Song QL, Lim NK, Yan J, Wu W, Dai K, Gu X, Wang Y. Process Development of Sotagliflozin, a Dual Inhibitor of Sodium–Glucose Cotransporter-1/2 for the Treatment of Diabetes. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00359] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Matthew M. Zhao
- Chemical Development, Lexicon Pharmaceuticals Incorporation, 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Haiming Zhang
- Chemical Development, Lexicon Pharmaceuticals Incorporation, 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Shinya Iimura
- Chemical Development, Lexicon Pharmaceuticals Incorporation, 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Mark S. Bednarz
- Chemical Development, Lexicon Pharmaceuticals Incorporation, 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Qiu-Ling Song
- Chemical Development, Lexicon Pharmaceuticals Incorporation, 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Ngiap-Kie Lim
- Chemical Development, Lexicon Pharmaceuticals Incorporation, 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Jie Yan
- Chemical Development, Lexicon Pharmaceuticals Incorporation, 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Wenxue Wu
- Chemical Development, Lexicon Pharmaceuticals Incorporation, 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Kuangchu Dai
- Process R&D, WuXi Apptec, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Xiaodong Gu
- Process R&D, WuXi Apptec, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Youchu Wang
- Process R&D, WuXi Apptec, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
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12
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Bressin RK, Osman S, Pohorilets I, Basu U, Koide K. Total Synthesis of Meayamycin B. J Org Chem 2020; 85:4637-4647. [DOI: 10.1021/acs.joc.9b03370] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Robert K. Bressin
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Sami Osman
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Ivanna Pohorilets
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Upamanyu Basu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Kazunori Koide
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
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13
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Alandini N, Buzzetti L, Favi G, Schulte T, Candish L, Collins KD, Melchiorre P. Amide Synthesis by Nickel/Photoredox‐Catalyzed Direct Carbamoylation of (Hetero)Aryl Bromides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000224] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Nurtalya Alandini
- ICIQ – Institute of Chemical Research of Catalonia the Barcelona Institute of Science and Technology Avenida Països Catalans 16 43007 Tarragona Spain
| | - Luca Buzzetti
- ICIQ – Institute of Chemical Research of Catalonia the Barcelona Institute of Science and Technology Avenida Països Catalans 16 43007 Tarragona Spain
| | - Gianfranco Favi
- Department of Biomolecular SciencesUniversity of Urbino “Carlo Bo” via I. Maggetti 24 61029 Urbino Italy
| | - Tim Schulte
- Small Molecule InnovationsBayer AGPharmaceuticals Aprather Weg 18a 42113 Wuppertal Germany
| | - Lisa Candish
- Small Molecule InnovationsBayer AGPharmaceuticals Aprather Weg 18a 42113 Wuppertal Germany
| | - Karl D. Collins
- Small Molecule InnovationsBayer AGPharmaceuticals Aprather Weg 18a 42113 Wuppertal Germany
| | - Paolo Melchiorre
- ICREA Passeig Lluís Companys 23 08010 Barcelona Spain
- ICIQ – Institute of Chemical Research of Catalonia the Barcelona Institute of Science and Technology Avenida Països Catalans 16 43007 Tarragona Spain
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14
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Alandini N, Buzzetti L, Favi G, Schulte T, Candish L, Collins KD, Melchiorre P. Amide Synthesis by Nickel/Photoredox-Catalyzed Direct Carbamoylation of (Hetero)Aryl Bromides. Angew Chem Int Ed Engl 2020; 59:5248-5253. [PMID: 32030865 PMCID: PMC7155093 DOI: 10.1002/anie.202000224] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Indexed: 12/20/2022]
Abstract
Herein, we report a one‐electron strategy for catalytic amide synthesis that enables the direct carbamoylation of (hetero)aryl bromides. This radical cross‐coupling approach, which is based on the combination of nickel and photoredox catalysis, proceeds at ambient temperature and uses readily available dihydropyridines as precursors of carbamoyl radicals. The method's mild reaction conditions make it tolerant of sensitive‐functional‐group‐containing substrates and allow the installation of an amide scaffold within biologically relevant heterocycles. In addition, we installed amide functionalities bearing electron‐poor and sterically hindered amine moieties, which would be difficult to prepare with classical dehydrative condensation methods.
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Affiliation(s)
- Nurtalya Alandini
- ICIQ - Institute of Chemical Research of Catalonia the Barcelona Institute of Science and Technology, Avenida Països Catalans 16, 43007, Tarragona, Spain
| | - Luca Buzzetti
- ICIQ - Institute of Chemical Research of Catalonia the Barcelona Institute of Science and Technology, Avenida Països Catalans 16, 43007, Tarragona, Spain
| | - Gianfranco Favi
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", via I. Maggetti 24, 61029, Urbino, Italy
| | - Tim Schulte
- Small Molecule Innovations, Bayer AG, Pharmaceuticals, Aprather Weg 18a, 42113, Wuppertal, Germany
| | - Lisa Candish
- Small Molecule Innovations, Bayer AG, Pharmaceuticals, Aprather Weg 18a, 42113, Wuppertal, Germany
| | - Karl D Collins
- Small Molecule Innovations, Bayer AG, Pharmaceuticals, Aprather Weg 18a, 42113, Wuppertal, Germany
| | - Paolo Melchiorre
- ICREA, Passeig Lluís Companys 23, 08010, Barcelona, Spain.,ICIQ - Institute of Chemical Research of Catalonia the Barcelona Institute of Science and Technology, Avenida Països Catalans 16, 43007, Tarragona, Spain
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15
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Gu K, Wang S, Li Y, Zhao X, Zhou Y, Gao C. A facile preparation of positively charged composite nanofiltration membrane with high selectivity and permeability. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.03.057] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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16
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Coomber CE, Laserna V, Martin LT, Smith PD, Hailes HC, Porter MJ, Sheppard TD. Catalytic direct amidations in tert-butyl acetate using B(OCH 2CF 3) 3. Org Biomol Chem 2019; 17:6465-6469. [PMID: 31225568 PMCID: PMC6724682 DOI: 10.1039/c9ob01012b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
B(OCH2CF3)3-catalysed direct amidations of challenging substrates (polar heteroycles, poorly nucleophilic anilines) work well in tBuOAc under Dean–Stark conditions.
Catalytic direct amidation reactions have been the focus of considerable recent research effort, due to the widespread use of amide formation processes in pharmaceutical synthesis. However, the vast majority of catalytic amidations are performed in non-polar solvents (aromatic hydrocarbons, ethers) which are typically undesirable from a sustainability perspective, and are often poor at solubilising polar carboxylic acid and amine substrates. As a consequence, most catalytic amidation protocols are unsuccessful when applied to polar and/or functionalised substrates of the kind commonly used in medicinal chemistry. In this paper we report a practical and useful catalytic direct amidation reaction using tert-butyl acetate as the reaction solvent. The use of an ester solvent offers improvements in terms of safety and sustainability, but also leads to an improved reaction scope with regard to polar substrates and less nucleophilic anilines, both of which are important components of amides used in medicinal chemistry. An amidation reaction was scaled up to 100 mmol and proceeded with excellent yield and efficiency, with a measured process mass intensity of 8.
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Affiliation(s)
- Charlotte E Coomber
- Department of Chemistry, University College London, 20 Gordon St, London, WC1H 0AJ, UK.
| | - Victor Laserna
- Department of Chemistry, University College London, 20 Gordon St, London, WC1H 0AJ, UK.
| | - Liam T Martin
- Department of Chemistry, University College London, 20 Gordon St, London, WC1H 0AJ, UK.
| | - Peter D Smith
- Early Chemical Development, Pharmaceutical Sciences, IMED Biotech Unit, AstraZeneca, Macclesfield SK10 2NA, UK
| | - Helen C Hailes
- Department of Chemistry, University College London, 20 Gordon St, London, WC1H 0AJ, UK.
| | - Michael J Porter
- Department of Chemistry, University College London, 20 Gordon St, London, WC1H 0AJ, UK.
| | - Tom D Sheppard
- Department of Chemistry, University College London, 20 Gordon St, London, WC1H 0AJ, UK.
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Shimada N, Hirata M, Koshizuka M, Ohse N, Kaito R, Makino K. Diboronic Acid Anhydrides as Effective Catalysts for the Hydroxy-Directed Dehydrative Amidation of Carboxylic Acids. Org Lett 2019; 21:4303-4308. [PMID: 31120259 DOI: 10.1021/acs.orglett.9b01484] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The direct catalytic dehydrative amidation of β-hydroxycarboxylic acids with amines is described. A biphenyl-based diboronic acid anhydride with a B-O-B skeleton is shown to be an exceptionally effective catalyst for the reaction, providing β-hydroxycarboxylic amides in high to excellent yields with a low catalyst loading (minimum of 0.01 mol %, TON up to 7,500). This hydroxy-directed amidation shows excellent chemoselectivity and is applicable to gram-scale drug synthesis.
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Affiliation(s)
- Naoyuki Shimada
- Laboratory of Organic Chemistry for Drug Development and Medical Research Laboratories, Department of Pharmaceutical Sciences , Kitasato University , Tokyo 108-8641 , Japan
| | - Mai Hirata
- Laboratory of Organic Chemistry for Drug Development and Medical Research Laboratories, Department of Pharmaceutical Sciences , Kitasato University , Tokyo 108-8641 , Japan
| | - Masayoshi Koshizuka
- Laboratory of Organic Chemistry for Drug Development and Medical Research Laboratories, Department of Pharmaceutical Sciences , Kitasato University , Tokyo 108-8641 , Japan
| | - Naoki Ohse
- Laboratory of Organic Chemistry for Drug Development and Medical Research Laboratories, Department of Pharmaceutical Sciences , Kitasato University , Tokyo 108-8641 , Japan
| | - Ryoto Kaito
- Laboratory of Organic Chemistry for Drug Development and Medical Research Laboratories, Department of Pharmaceutical Sciences , Kitasato University , Tokyo 108-8641 , Japan
| | - Kazuishi Makino
- Laboratory of Organic Chemistry for Drug Development and Medical Research Laboratories, Department of Pharmaceutical Sciences , Kitasato University , Tokyo 108-8641 , Japan
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19
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Opie CR, Noda H, Shibasaki M, Kumagai N. All Non-Carbon B 3 NO 2 Exotic Heterocycles: Synthesis, Dynamics, and Catalysis. Chemistry 2019; 25:4648-4653. [PMID: 30770614 DOI: 10.1002/chem.201900715] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Indexed: 02/03/2023]
Abstract
The B3 NO2 six-membered heterocycle (1,3-dioxa-5-aza-2,4,6-triborinane=DATB), comprising three different non-carbon period 2 elements, has been recently demonstrated to be a powerful catalyst for dehydrative condensation of carboxylic acids and amines. The tedious synthesis of DATB, however, has significantly diminished its utility as a catalyst, and thus the inherent chemical properties of the ring system have remained virtually unexplored. Here, a general and facile synthetic strategy that harnesses a pyrimidine-containing scaffold for the reliable installation of boron atoms is disclosed, giving rise to a series of Pym-DATBs from inexpensive materials in a modular fashion. The identification of a soluble Pym-DATB derivative allowed for the investigation of the dynamic nature of the B3 NO2 ring system, revealing differential ring-closing and -opening behaviors depending on the medium. Readily accessible Pym-DATBs proved their utility as efficient catalysts for dehydrative amidation with broad substrate scope and functional-group tolerance, offering a general and practical catalytic alternative to reagent-driven amidation.
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Affiliation(s)
- Christopher R Opie
- Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo, 141-0021, Japan
| | - Hidetoshi Noda
- Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo, 141-0021, Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo, 141-0021, Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo, 141-0021, Japan
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20
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Nanocellulose for gel electrophoresis. J Colloid Interface Sci 2019; 540:148-154. [DOI: 10.1016/j.jcis.2019.01.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/03/2019] [Accepted: 01/04/2019] [Indexed: 01/16/2023]
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21
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22
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Sirois LE, Zhao MM, Lim NK, Bednarz MS, Harrison BA, Wu W. Process Development for a Locally Acting SGLT1 Inhibitor, LX2761, Utilizing sp3–sp2 Suzuki Coupling of a Benzyl Carbonate. Org Process Res Dev 2018. [DOI: 10.1021/acs.oprd.8b00325] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Lauren E. Sirois
- Chemical Development, Lexicon Pharmaceuticals, Inc., 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Matthew M. Zhao
- Chemical Development, Lexicon Pharmaceuticals, Inc., 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Ngiap-Kie Lim
- Chemical Development, Lexicon Pharmaceuticals, Inc., 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Mark S. Bednarz
- Chemical Development, Lexicon Pharmaceuticals, Inc., 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Bryce A. Harrison
- Chemical Development, Lexicon Pharmaceuticals, Inc., 110 Allen Road, Basking Ridge, New Jersey 07920, United States
| | - Wenxue Wu
- Chemical Development, Lexicon Pharmaceuticals, Inc., 110 Allen Road, Basking Ridge, New Jersey 07920, United States
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23
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Potadar SM, Mali AS, Waghmode KT, Chaturbhuj GU. Repurposing n-butyl stannoic acid as highly efficient catalyst for direct amidation of carboxylic acids with amines. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.11.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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24
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Ghorpade SA, Sawant DN, Sekar N. Triphenyl borate catalyzed synthesis of amides from carboxylic acids and amines. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.10.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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25
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Jiang YY, Hu B, Xu ZY, Zhang RX, Liu TT, Bi S. Boron Ester-Catalyzed Amidation of Carboxylic Acids with Amines: Mechanistic Rationale by Computational Study. Chem Asian J 2018; 13:2685-2690. [DOI: 10.1002/asia.201800797] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 06/09/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Yuan-Ye Jiang
- School of Chemistry and Chemical Engineering; Qufu Normal University; Qufu 273165 P. R. China
| | - Ben Hu
- School of Chemistry and Chemical Engineering; Qufu Normal University; Qufu 273165 P. R. China
| | - Zhong-Yan Xu
- School of Chemistry and Chemical Engineering; Qufu Normal University; Qufu 273165 P. R. China
| | - Rui-Xue Zhang
- School of Chemistry and Chemical Engineering; Qufu Normal University; Qufu 273165 P. R. China
| | - Tian-Tian Liu
- School of Chemistry and Chemical Engineering; Qufu Normal University; Qufu 273165 P. R. China
| | - Siwei Bi
- School of Chemistry and Chemical Engineering; Qufu Normal University; Qufu 273165 P. R. China
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26
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Ugwu DI, Okoro UC, Mishra NK. Synthesis of proline derived benzenesulfonamides: A potent anti-Trypanosoma brucei gambiense agent. Eur J Med Chem 2018; 154:110-116. [PMID: 29778893 DOI: 10.1016/j.ejmech.2018.05.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Revised: 04/26/2018] [Accepted: 05/12/2018] [Indexed: 11/28/2022]
Abstract
Thousands of death in Africa and other developing nations are still attributed to trypanosomiasis. Excessive sleep has been associated with increased inflammation. We report herein, the synthesis, antitrypanosomal and anti-inflammatory activities of eight new carboxamide derivatives bearing substituted benzenesulfonamides. The base promoted reactions of l-proline and L-4-hydroxyproline with substituted benzenesulfonyl chlorides gave the benzenesulfonamides (11a-h) in excellent yields. Boric acid mediated amidation of the benzenesulfonamides (11a-h) and p-aminobenzoic acid (12) gave the new carboxamides (13a-h) in excellent yields. The new carboxamides were tested for their antitrypanosomal and anti-inflammatory activities against Trypanosome brucei gambiense and inhibition of carrageenan-induced rat paw edema. Compound 13f was the most potent antitrypanosomal agent with an IC50 value of 2 nM as against 5 nM for melarsoprol; whereas compound 13a was the most potent anti-inflammatory agent with percentage inhibition of carrageenan-induced rat paw edema of 58, 60, 67 and 84% after 0.5 h, 1 h, 2 h and 3 h administration respectively. The structure-activity relationship study revealed that substitution at the para position in the benzenesulfonamide ring increased both the antitrypanosomal and anti-inflammatory activities. The 4-hydroxyprolines (13a-d) showed higher anti-inflammatory activity than the prolines (13e-h). In contrast, the prolines (13e-h) had higher antitrypanosomal activities than the 4-hydroxyprolines. The link between excessive sleep and inflammation makes the report of this class of compounds possessing both antitrypanosomal and anti-inflammatory activity worthwhile. The pharmacokinetic studies showed that the compounds would not pose oral bioavailability, transport and permeability problems.
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Affiliation(s)
- David I Ugwu
- Department of Pure and Industrial Chemistry, University of Nigeria, Nsukka, Nigeria; Department of Chemistry, Indian Institute of Technology, Kanpur, India.
| | - Uchechukwu C Okoro
- Department of Pure and Industrial Chemistry, University of Nigeria, Nsukka, Nigeria
| | - Narendra K Mishra
- Department of Chemistry, Indian Institute of Technology, Kanpur, India
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Braddock DC, Lickiss PD, Rowley BC, Pugh D, Purnomo T, Santhakumar G, Fussell SJ. Tetramethyl Orthosilicate (TMOS) as a Reagent for Direct Amidation of Carboxylic Acids. Org Lett 2018; 20:950-953. [PMID: 29394071 DOI: 10.1021/acs.orglett.7b03841] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Tetramethyl orthosilicate (TMOS) is shown to be an effective reagent for direct amidation of aliphatic and aromatic carboxylic acids with amines and anilines. The amide products are obtained in good to quantitative yields in pure form directly after workup without the need for any further purification. A silyl ester as the putative activated intermediate is observed by NMR methods. Amidations on a 1 mol scale are demonstrated with a favorable process mass intensity.
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Affiliation(s)
- D Christopher Braddock
- Department of Chemistry, Imperial College London , South Kensington, London SW7 2AZ, U.K
| | - Paul D Lickiss
- Department of Chemistry, Imperial College London , South Kensington, London SW7 2AZ, U.K
| | - Ben C Rowley
- Department of Chemistry, Imperial College London , South Kensington, London SW7 2AZ, U.K
| | - David Pugh
- Department of Chemistry, Imperial College London , South Kensington, London SW7 2AZ, U.K
| | - Teresa Purnomo
- Department of Chemistry, Imperial College London , South Kensington, London SW7 2AZ, U.K
| | - Gajan Santhakumar
- Department of Chemistry, Imperial College London , South Kensington, London SW7 2AZ, U.K
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28
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Wang K, Lu Y, Ishihara K. The ortho-substituent on 2,4-bis(trifluoromethyl)phenylboronic acid catalyzed dehydrative condensation between carboxylic acids and amines. Chem Commun (Camb) 2018; 54:5410-5413. [DOI: 10.1039/c8cc02558d] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The ortho-substituent of boronic acid plays a key role in preventing the coordination of amines to the boron atom.
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Affiliation(s)
- Ke Wang
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
| | - Yanhui Lu
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
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29
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Barham JP, Tamaoki S, Egami H, Ohneda N, Okamoto T, Odajima H, Hamashima Y. C-Alkylation of N-alkylamides with styrenes in air and scale-up using a microwave flow reactor. Org Biomol Chem 2018; 16:7568-7573. [DOI: 10.1039/c8ob02282h] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
C-Alkylation of N-alkylamides with styrenes is reported, proceeding in ambient air/moisture to give arylbutanamides and other pharmaceutically-relevant scaffolds in excellent mass balance.
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Affiliation(s)
- Joshua P. Barham
- School of Pharmaceutical Sciences
- University of Shizuoka
- Shizuoka
- Japan
- SAIDA FDS INC. 143-10
| | - Souma Tamaoki
- School of Pharmaceutical Sciences
- University of Shizuoka
- Shizuoka
- Japan
| | - Hiromichi Egami
- School of Pharmaceutical Sciences
- University of Shizuoka
- Shizuoka
- Japan
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30
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Yarhosseini M, Javanshir S, Dolatkhah Z, Dekamin MG. An improved solvent-free synthesis of flunixin and 2-(arylamino) nicotinic acid derivatives using boric acid as catalyst. Chem Cent J 2017; 11:124. [PMID: 29196901 PMCID: PMC5711764 DOI: 10.1186/s13065-017-0355-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 11/21/2017] [Indexed: 11/10/2022] Open
Abstract
A simple solvent-free protocol for the preparation of flunixin, a potent non-narcotic, non-steroidal anti-inflammatory drugs is reported using boric acid as catalyst. Its salt, flunixin meglumine are then prepared under reflux in EtOH. This sustainable method are then extended for the synthesis of a series of 2-(arylamino) nicotinic acid derivatives. The present protocol combines non-hazardous neat conditions with associated benefits like excellent yield, straightforward workup, and use of readily available and safe catalyst in the absence of any solvent, which are important factors in the pharmaceutical industry. The pathway for catalytic activation of 2-chloronicotic acid with boric acid was also investigated using Gaussian 03 program package.
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Affiliation(s)
- Mahsa Yarhosseini
- Heterocyclic Chemistry Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
| | - Shahrzad Javanshir
- Heterocyclic Chemistry Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
| | - Zahra Dolatkhah
- Heterocyclic Chemistry Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
| | - Mohammad G. Dekamin
- Heterocyclic Chemistry Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
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31
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Sabatini MT, Boulton LT, Sheppard TD. Borate esters: Simple catalysts for the sustainable synthesis of complex amides. SCIENCE ADVANCES 2017; 3:e1701028. [PMID: 28948222 PMCID: PMC5609808 DOI: 10.1126/sciadv.1701028] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 08/28/2017] [Indexed: 05/17/2023]
Abstract
Chemical reactions for the formation of amide bonds are among the most commonly used transformations in organic chemistry, yet they are often highly inefficient. A novel protocol for amidation using a simple borate ester catalyst is reported. The process presents significant improvements over other catalytic amidation methods in terms of efficiency and safety, with an unprecedented substrate scope including functionalized heterocycles and even unprotected amino acids. The method was used to access a wide range of functionalized amide derivatives, including pharmaceutically relevant targets, important synthetic intermediates, a catalyst, and a natural product.
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Affiliation(s)
- Marco T. Sabatini
- Christopher Ingold Laboratories, Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
| | - Lee T. Boulton
- Medicines Research Centre, GlaxoSmithKline, Gunnels Wood Road, Stevenage, Herts SG1 2NY, UK
| | - Tom D. Sheppard
- Christopher Ingold Laboratories, Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
- Corresponding author.
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32
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Lu Y, Wang K, Ishihara K. Design of Boronic Acid-Base Complexes as Reusable Homogeneous Catalysts in Dehydrative Condensations between Carboxylic Acids and Amines. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700194] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yanhui Lu
- Graduate School of Engineering; Nagoya University; B2−3(611), Furo-cho, Chikusa Nagoya 464-8603 Japan
| | - Ke Wang
- Graduate School of Engineering; Nagoya University; B2−3(611), Furo-cho, Chikusa Nagoya 464-8603 Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering; Nagoya University; B2−3(611), Furo-cho, Chikusa Nagoya 464-8603 Japan
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33
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Unique physicochemical and catalytic properties dictated by the B3NO2 ring system. Nat Chem 2017; 9:571-577. [DOI: 10.1038/nchem.2708] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 11/23/2016] [Indexed: 12/12/2022]
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34
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Wang Y, Wu Z, Li Q, Zhu B, Yu L. Ruthenium-catalyzed oxidative decyanative cross-coupling of acetonitriles with amines in air: a general access to primary to tertiary amides under mild conditions. Catal Sci Technol 2017. [DOI: 10.1039/c7cy00761b] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
C–CN activation catalyzed by Ru/C in open air was achieved, affording an efficient access to primary, secondary and tertiary amides under mild conditions.
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Affiliation(s)
- Yuguang Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Zhongli Wu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Qin Li
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Bingchun Zhu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Lei Yu
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
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35
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Khoshnavazi R, Bahrami L, Rezaei M. Heteropolytungstostannate as a homo- and heterogeneous catalyst for Knoevenagel condensations, selective oxidation of sulfides and oxidative amination of aldehydes. RSC Adv 2017. [DOI: 10.1039/c7ra06112a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Heteropolytungstostannate of [P2W18O68(HOSnIVOH)3]12− was grafted on amine levels coated magnetic nanoparticles and used as catalysis in the selective oxidation of sulfides and oxidative amination of aldehydes in an aqueous medium.
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Affiliation(s)
| | - Leila Bahrami
- Department of Chemistry
- University of Kurdistan
- Sanandaj
- Iran
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36
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Janvier M, Moebs-Sanchez S, Popowycz F. Bio-Based Amides from Renewable Isosorbide by a Direct and Atom-Economic Boric Acid Amidation Methodology. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600186] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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37
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Dunetz JR, Magano J, Weisenburger GA. Large-Scale Applications of Amide Coupling Reagents for the Synthesis of Pharmaceuticals. Org Process Res Dev 2016. [DOI: 10.1021/op500305s] [Citation(s) in RCA: 411] [Impact Index Per Article: 51.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Joshua R. Dunetz
- Process
Chemistry, Gilead Sciences, 333 Lakeside Drive, Foster City, California 94404, United States
| | - Javier Magano
- Chemical Research & Development, Pfizer Worldwide Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Gerald A. Weisenburger
- Chemical Research & Development, Pfizer Worldwide Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
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38
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Efficient conversion of acids and esters to amides and transamidation of primary amides using OSU-6. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.10.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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39
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Ishihara K, Lu Y. Boronic acid-DMAPO cooperative catalysis for dehydrative condensation between carboxylic acids and amines. Chem Sci 2015; 7:1276-1280. [PMID: 29910884 PMCID: PMC5975839 DOI: 10.1039/c5sc03761a] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Accepted: 11/02/2015] [Indexed: 01/29/2023] Open
Abstract
Arylboronic acid and DMAPO cooperatively catalyse the dehydrative condensation reaction between carboxylic acids and amines to give the corresponding amides under azeotropic reflux conditions. This cooperative use is much more effective than their individual use as catalysts.
Arylboronic acid and 4-(N,N-dimethylamino)pyridine N-oxide (DMAPO) cooperatively catalyse the dehydrative condensation reaction between carboxylic acids and amines to give the corresponding amides under azeotropic reflux conditions. This cooperative use is much more effective than their individual use as catalysts, and chemoselectively promotes the amide condensation of (poly)conjugated carboxylic acids. The present method is practical and scalable, and has been applied to the synthesis of sitagliptin and a drug candidate.
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Affiliation(s)
- Kazuaki Ishihara
- Graduate School of Engineering , Nagoya University , B2-3(611), Furo-cho, Chikusa , Nagoya 464-8603 , Japan . .,JST , CREST , B2-3(611), Furo-cho, Chikusa , Nagoya 464-8603 , Japan
| | - Yanhui Lu
- Graduate School of Engineering , Nagoya University , B2-3(611), Furo-cho, Chikusa , Nagoya 464-8603 , Japan .
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40
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Métro TX, Bonnamour J, Reidon T, Duprez A, Sarpoulet J, Martinez J, Lamaty F. Comprehensive study of the organic-solvent-free CDI-mediated acylation of various nucleophiles by mechanochemistry. Chemistry 2015; 21:12787-96. [PMID: 26177831 DOI: 10.1002/chem.201501325] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Indexed: 11/09/2022]
Abstract
Acylation reactions are ubiquitous in the synthesis of natural products and biologically active compounds. Unfortunately, these reactions often require the use of large quantities of volatile and/or toxic solvents, either for the reaction, purification or isolation of the products. Herein we describe and discuss the possibility of completely eliminating the use of organic solvents for the synthesis, purification and isolation of products resulting from the acylation of amines and other nucleophiles. Thus, utilisation of N,N'-carbonyldiimidazole (CDI) allows efficient coupling between carboxylic acids and various nucleophiles under solvent-free mechanical agitation, and water-assisted grinding enables both the purification and isolation of pure products. Critical parameters such as the physical state and water solubility of the products, milling material, type of agitation (vibratory or planetary) as well as contamination from wear are analysed and discussed. In addition, original organic-solvent-free conditions are proposed to overcome the limitations of this approach. The calculations of various green metrics are included, highlighting the particularly low environmental impact of this strategy.
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Affiliation(s)
- Thomas-Xavier Métro
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Université de Montpellier, Campus Triolet, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France).
| | - Julien Bonnamour
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Université de Montpellier, Campus Triolet, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France)
| | - Thomas Reidon
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Université de Montpellier, Campus Triolet, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France)
| | - Anthony Duprez
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Université de Montpellier, Campus Triolet, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France)
| | - Jordi Sarpoulet
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Université de Montpellier, Campus Triolet, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France)
| | - Jean Martinez
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Université de Montpellier, Campus Triolet, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France)
| | - Frédéric Lamaty
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université Montpellier, ENSCM, Université de Montpellier, Campus Triolet, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France).
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41
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Microwave-Assisted Condensation Reactions of Acetophenone Derivatives and Activated Methylene Compounds with Aldehydes Catalyzed by Boric Acid under Solvent-Free Conditions. Molecules 2015; 20:11617-31. [PMID: 26111185 PMCID: PMC6272727 DOI: 10.3390/molecules200611617] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 06/14/2015] [Accepted: 06/15/2015] [Indexed: 12/22/2022] Open
Abstract
We here disclosed a new protocol for the condensation of acetophenone derivatives and active methylene compounds with aldehydes in the presence of boric acid under microwave conditions. Implementation of the reaction is simple, healthy and environmentally friendly owing to the use of a non-toxic catalyst coupled to a solvent-free procedure. A large variety of known or novel compounds have thus been prepared, including with substrates bearing acid or base-sensitive functional groups.
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Babkov DA, Valuev-Elliston VT, Paramonova MP, Ozerov AA, Ivanov AV, Chizhov AO, Khandazhinskaya AL, Kochetkov SN, Balzarini J, Daelemans D, Pannecouque C, Seley-Radtke KL, Novikov MS. Scaffold hopping: Exploration of acetanilide-containing uracil analogues as potential NNRTIs. Bioorg Med Chem 2015; 23:1069-81. [DOI: 10.1016/j.bmc.2015.01.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 12/26/2014] [Accepted: 01/04/2015] [Indexed: 10/24/2022]
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Lundberg H, Tinnis F, Selander N, Adolfsson H. Catalytic amide formation from non-activated carboxylic acids and amines. Chem Soc Rev 2014; 43:2714-42. [PMID: 24430887 DOI: 10.1039/c3cs60345h] [Citation(s) in RCA: 402] [Impact Index Per Article: 40.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The amide functionality is found in a wide variety of biological and synthetic structures such as proteins, polymers, pesticides and pharmaceuticals. Due to the fact that synthetic amides are still mainly produced by the aid of coupling reagents with poor atom-economy, the direct catalytic formation of amides from carboxylic acids and amines has become a field of emerging importance. A general, efficient and selective catalytic method for this transformation would meet well with the increasing demands for green chemistry procedures. This review covers catalytic and synthetically relevant methods for direct condensation of carboxylic acids and amines. A comprehensive overview of homogeneous and heterogeneous catalytic methods is presented, covering biocatalysts, Lewis acid catalysts based on boron and metals as well an assortment of other types of catalysts.
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Affiliation(s)
- Helena Lundberg
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 106 91, Stockholm, Sweden.
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Sharma RK, Sharma S. Silica nanosphere-supported palladium(ii) furfural complex as a highly efficient and recyclable catalyst for oxidative amination of aldehydes. Dalton Trans 2014; 43:1292-304. [DOI: 10.1039/c3dt51928g] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Lanigan RM, Sheppard TD. Recent Developments in Amide Synthesis: Direct Amidation of Carboxylic Acids and Transamidation Reactions. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300573] [Citation(s) in RCA: 283] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Huang W, Sha WB. Direct Amide Formation from N-Arylglycine Ethyl Esters and Carboxylic Acids Catalysed by Phenylboronic Acid. JOURNAL OF CHEMICAL RESEARCH 2013. [DOI: 10.3184/174751913x13729583884275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The phenylboronic acid-catalysed reaction of an N-arylglycine ethyl ester with various carboxylic acids, including N-acyl- N-phenylglycines, directly affords an amide or a dipeptide in 13–73% yields.
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Affiliation(s)
- Wenhua Huang
- Department of Chemistry, Tianjin University, 92 Weijin Road, Tianjin 300072, P. R. China
| | - Wen-Bin Sha
- Department of Chemistry, Tianjin University, 92 Weijin Road, Tianjin 300072, P. R. China
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Yamashita R, Sakakura A, Ishihara K. Primary alkylboronic acids as highly active catalysts for the dehydrative amide condensation of α-hydroxycarboxylic acids. Org Lett 2013; 15:3654-7. [PMID: 23802908 DOI: 10.1021/ol401537f] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Primary alkylboronic acids such as methylboronic acid and butylboronic acid are highly active catalysts for the dehydrative amide condensation of α-hydroxycarboxylic acids. The catalytic activities of these primary alkylboronic acids are much higher than those of the previously reported arylboronic acids. The present method was easily applied to a large-scale synthesis, and 14 g of an amide was obtained in a single reaction.
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Affiliation(s)
- Risa Yamashita
- Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan
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Dimitrijević E, Taylor MS. Organoboron Acids and Their Derivatives as Catalysts for Organic Synthesis. ACS Catal 2013. [DOI: 10.1021/cs4000848] [Citation(s) in RCA: 129] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Elena Dimitrijević
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S
3H6, Canada
| | - Mark S. Taylor
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S
3H6, Canada
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Wang C, Yu HZ, Fu Y, Guo QX. Mechanism of arylboronic acid-catalyzed amidation reaction between carboxylic acids and amines. Org Biomol Chem 2013; 11:2140-6. [DOI: 10.1039/c3ob27367a] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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