1
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Yu C, E R, An Y, Guo X, Bao G, Li Y, Xie J, Sun W. Michael Addition Reaction between Dehydroalanines and Phosphites Enabled the Introduction of Phosphonates into Oligopeptides. Org Lett 2024. [PMID: 38780227 DOI: 10.1021/acs.orglett.4c01567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
A method for introducing a range of phosphonates into oligopeptides through a Michael addition reaction between dehydroalanine and phosphite is presented. The method offers a mild, cheap, and straightforward approach to peptide phosphorylation that has potential applications in chemical biology and medicinal chemistry. Moreover, the introduction of a phosphonate group into short antibacterial peptides is described to demonstrate its utility, leading to the discovery of phosphonated antibacterial peptides with potent broad-spectrum antibacterial activity.
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Affiliation(s)
- Changjun Yu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou 730000, P. R. China
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Ruiyao E
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yingying An
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiaomin Guo
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou 730000, P. R. China
| | - Guangjun Bao
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yiping Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou 730000, P. R. China
| | - Junqiu Xie
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou 730000, P. R. China
| | - Wangsheng Sun
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou 730000, P. R. China
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2
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Vincent É, Brioche J. Silver-Catalyzed Carbofluorination of Olefins and α-Fluoroolefins with Carbamoyl Radicals. Chemistry 2024:e202401419. [PMID: 38712694 DOI: 10.1002/chem.202401419] [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: 04/12/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/08/2024]
Abstract
The reactivity of carbamoyl radicals, generated in situ from sodium oxamate salts, has been investigated in the context of radical carbofluorination reactions of olefins and α-fluoroolefins, respectively. Both transformations are catalyzed by silver salts and required the presence of potassium persulfate (K2S2O8) and SelectfluorTM as a radicophilic fluorine source. The reported methods provide a direct access to β-fluoroamides and β,β-difluoroamides.
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Affiliation(s)
- Émilie Vincent
- Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3M FR 3038, F-76000, Rouen, France
| | - Julien Brioche
- Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3M FR 3038, F-76000, Rouen, France
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3
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De Jesus IS, Vélez JAC, Pissinati EF, Correia JTM, Rivera DG, Paixao MW. Recent Advances in Photoinduced Modification of Amino Acids, Peptides, and Proteins. CHEM REC 2024; 24:e202300322. [PMID: 38279622 DOI: 10.1002/tcr.202300322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/01/2023] [Indexed: 01/28/2024]
Abstract
The chemical modification of biopolymers like peptides and proteins is a key technology to access vaccines and pharmaceuticals. Similarly, the tunable derivatization of individual amino acids is important as they are key building blocks of biomolecules, bioactive natural products, synthetic polymers, and innovative materials. The high diversity of functional groups present in amino acid-based molecules represents a significant challenge for their selective derivatization Recently, visible light-mediated transformations have emerged as a powerful strategy for achieving chemoselective biomolecule modification. This technique offers numerous advantages over other methods, including a higher selectivity, mild reaction conditions and high functional-group tolerance. This review provides an overview of the most recent methods covering the photoinduced modification for single amino acids and site-selective functionalization in peptides and proteins under mild and even biocompatible conditions. Future challenges and perspectives are discussed beyond the diverse types of photocatalytic transformations that are currently available.
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Affiliation(s)
- Iva S De Jesus
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Jeimy A C Vélez
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Emanuele F Pissinati
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Jose Tiago M Correia
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Daniel G Rivera
- Laboratory of Synthetic and Biomolecular Chemistry, Faculty of Chemistry, University of Havana Zapata & G, Havana, 10400, Cuba
| | - Márcio W Paixao
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
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4
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Caldarelli M, Rezzi SJ, Colombo N, Pirali T, Papeo G. Photocatalytic Radical Coupling of Organoborates with α-Halogenated Electron-Poor Olefins. J Org Chem 2024; 89:633-643. [PMID: 38079578 DOI: 10.1021/acs.joc.3c02386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
Herein, we report the visible-light-mediated addition of organoborates to α-halogenated electron-poor olefins enabled by an environmentally benign metal-free catalyst. The method accommodates a variety of boronic acid derivatives as well as alkenes and delivers the corresponding saturated α-halo-derivatives in up to 90% yields. The obtained products are high-value building blocks in organic synthesis, allowing for a variety of follow-up transformations.
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Affiliation(s)
- Marina Caldarelli
- Nerviano Medical Sciences Srl, viale Pasteur 10, 20014 Nerviano, Milano, Italy
| | - Sarah Jane Rezzi
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale, Largo Donegani 2, 28100 Novara, Italy
| | | | - Tracey Pirali
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale, Largo Donegani 2, 28100 Novara, Italy
| | - Gianluca Papeo
- Nerviano Medical Sciences Srl, viale Pasteur 10, 20014 Nerviano, Milano, Italy
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5
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Festa AA, Storozhenko OA, Voskressensky LG, Van der Eycken EV. Visible light-mediated halogenation of organic compounds. Chem Soc Rev 2023. [PMID: 37975853 DOI: 10.1039/d3cs00366c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
The use of visible light and photoredox catalysis emerged as a powerful and sustainable tool for organic synthesis, showing high value for distinctly different ways of bond creation. Halogenated compounds are the cornerstone of contemporary organic synthesis: it is almost impossible to develop a route towards a pharmaceutical reagent, agrochemical, natural product, etc. without the involvement of halogen-containing intermediates. Moreover, the halogenated derivatives as final products became indispensable for drug discovery and materials science. The idea of this review is to understand and summarise the impact of visible light-promoted chemistry on halogenation and halofunctionalisation reactions.
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Affiliation(s)
- Alexey A Festa
- Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya st. 6, Moscow, 117198, Russian Federation.
| | - Olga A Storozhenko
- Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya st. 6, Moscow, 117198, Russian Federation.
| | - Leonid G Voskressensky
- Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya st. 6, Moscow, 117198, Russian Federation.
| | - Erik V Van der Eycken
- Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya st. 6, Moscow, 117198, Russian Federation.
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium
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6
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Wang GQ, Wang T, Zhang Y, Zhou YX, Yang D, Han P, Jing LH. Photoredox Metal-Free Synthesis of Unnatural β-Silyl-α-Amino Acids via Hydrosilylation. Chem Asian J 2023:e202300805. [PMID: 37906443 DOI: 10.1002/asia.202300805] [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: 09/16/2023] [Revised: 10/30/2023] [Accepted: 10/31/2023] [Indexed: 11/02/2023]
Abstract
An efficient, practical and metal-free methodology for the synthesis of β-silyl-α-amino acid motifs via photoredox and hydrogen atom transfer (HAT) process is described. This protocol enables the direct hydrosilylation of dehydroalanine derivatives and tolerates a wide array of functional groups and synthetic handles, leading to valuable β-silyl-α-amino acids with moderate to good yields.
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Affiliation(s)
- Guo-Qin Wang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637002, P.R. China
| | - Ting Wang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637002, P.R. China
| | - Yue Zhang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637002, P.R. China
| | - Yuan-Xia Zhou
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637002, P.R. China
| | - Dan Yang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637002, P.R. China
| | - Pan Han
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637002, P.R. China
| | - Lin-Hai Jing
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong, 637002, P.R. China
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7
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Palamini P, Allouche EMD, Waser J. Iron-Catalyzed Synthesis of α-Azido α-Amino Esters via the Alkylazidation of Alkenes. Org Lett 2023; 25:6791-6795. [PMID: 37684011 PMCID: PMC10521020 DOI: 10.1021/acs.orglett.3c02153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Indexed: 09/10/2023]
Abstract
An iron-catalyzed alkylazidation of dehydroamino acids using peroxides as alkyl radical precursors is described. Non-natural azidated amino esters bearing an α-alkyl chain could be obtained in 18-94% yields using TMSN3 as an azide source. The obtained α-alkyl-α-azide α-amino esters could be further functionalized through cycloaddition or azide reduction with amide couplings to afford aminal-type peptides, α-triazolo amino acids, and tetrahydro-triazolopyridine, showing the great versatility of this now easily accessible class of amino acids.
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Affiliation(s)
- Pierre Palamini
- Laboratory of Catalysis and
Organic
Synthesis, Institut des Sciences et Ingénierie
Chimique, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
| | - Emmanuelle M. D. Allouche
- Laboratory of Catalysis and
Organic
Synthesis, Institut des Sciences et Ingénierie
Chimique, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and
Organic
Synthesis, Institut des Sciences et Ingénierie
Chimique, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
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8
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Chen A, Zhao S, Han Y, Zhou Z, Yang B, Xie LG, Walczak MA, Zhu F. Stereoselective alkyl C-glycosylation of glycosyl esters via anomeric C-O bond homolysis: efficient access to C-glycosyl amino acids and C-glycosyl peptides. Chem Sci 2023; 14:7569-7580. [PMID: 37449071 PMCID: PMC10337754 DOI: 10.1039/d3sc01995k] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/18/2023] [Indexed: 07/18/2023] Open
Abstract
C-Glycosyl peptides possess excellent metabolic stability and therapeutic properties and thus play critical roles in biological studies as well as drug discoveries. However, the limited accessibility of C-glycosyl amino acids has significantly hindered the broader research of their structural features and mode of action. Herein, for the first time we disclose a novel visible-light-driven radical conjugate addition of 1,4-dihydropyridine (DHP)-derived glycosyl esters with dehydroalanine derivatives, generating C-glycosyl amino acids and C-glycosyl peptides in good yields with excellent stereoselectivities. Redox-active glycosyl esters, as readily accessible and bench-stable radical precursors, could be easily converted to glycosyl radicals via anomeric C(sp3)-O bond homolysis under mild conditions. Importantly, the generality and practicality of this transformation were fully demonstrated in >40 examples including 2-dexosugars, oligosaccharides, oligopeptides, and complex drug molecules. Given its mild reaction conditions, robust sugar scope, and high anomeric control and diastereoselectivity, the method presented herein could find widespread utility in the preparation of C(sp3)-linked sugar-based peptidomimetics.
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Affiliation(s)
- Anrong Chen
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Shiyin Zhao
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
- School of Chemistry and Materials Science, Nanjing Normal University Nanjing Jiangsu 210023 P. R. China
| | - Yang Han
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Zhenghong Zhou
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Bo Yang
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Lan-Gui Xie
- School of Chemistry and Materials Science, Nanjing Normal University Nanjing Jiangsu 210023 P. R. China
| | - Maciej A Walczak
- Department of Chemistry, University of Colorado Boulder CO 80309 USA
| | - Feng Zhu
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
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9
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Dong Y, Meng X, Gnawali G, Chang M, Wang W. Photoredox Catalytic Installation of an Alkyl/Aryl Side Chain and Deuterium into ( S)-Methyleneoxazolidinone: Synthesis of Enantioenriched α-Deuterated α-Amino Acid Derivatives. Org Lett 2023. [PMID: 37326373 DOI: 10.1021/acs.orglett.3c01760] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A photoredox catalytic asymmetric method has been established for the installation of both aliphatic and aromatic side chains and the introduction of deuterium into the chiral methyleneoxazolidinone simultaneously. Efficient coupling of readily available boronic acids with the chiral auxiliary delivers structurally diverse α-deuterated α-amino acid derivatives with a high level of diastereoselectivity and deuteration.
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Affiliation(s)
- Yue Dong
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, Arizona 85721, United States
| | - Xiang Meng
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, Arizona 85721, United States
| | - Giri Gnawali
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, Arizona 85721, United States
| | - Mengyang Chang
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Wei Wang
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, Arizona 85721, United States
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
- BIO5 Institute, University of Arizona, Tucson, Arizona 85721, United States
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10
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McKnight EA, Arora R, Pradhan E, Fujisato YH, Ajayi AJ, Lautens M, Zeng T, Le CM. BF 3-Catalyzed Intramolecular Fluorocarbamoylation of Alkynes via Halide Recycling. J Am Chem Soc 2023; 145:11012-11018. [PMID: 37172320 DOI: 10.1021/jacs.3c03982] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
A BF3-catalyzed atom-economical fluorocarbamoylation reaction of alkyne-tethered carbamoyl fluorides is reported. The catalyst acts as both a fluoride source and Lewis acid activator, thereby enabling the formal insertion of alkynes into strong C-F bonds through a halide recycling mechanism. The developed method provides access to 3-(fluoromethylene) oxindoles and γ-lactams with excellent stereoselectivity, including fluorinated derivatives of known protein kinase inhibitors. Experimental and computational studies support a stepwise mechanism for the fluorocarbamoylation reaction involving a turnover-limiting cyclization step, followed by internal fluoride transfer from a BF3-coordinated carbamoyl adduct. For methylene oxindoles, a thermodynamically driven Z-E isomerization is facilitated by a transition state with aromatic character. In contrast, this aromatic stabilization is not relevant for γ-lactams, which results in a higher barrier for isomerization and the exclusive formation of the Z-isomer.
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Affiliation(s)
- E Ali McKnight
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
| | - Ramon Arora
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Ekadashi Pradhan
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
| | - Yuriko H Fujisato
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
| | - Ayonitemi J Ajayi
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
| | - Mark Lautens
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Tao Zeng
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
| | - Christine M Le
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada
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11
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Chen X, Josephson B, Davis BG. Carbon-Centered Radicals in Protein Manipulation. ACS CENTRAL SCIENCE 2023; 9:614-638. [PMID: 37122447 PMCID: PMC10141601 DOI: 10.1021/acscentsci.3c00051] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Indexed: 05/03/2023]
Abstract
Methods to directly post-translationally modify proteins are perhaps the most straightforward and operationally simple ways to create and study protein post-translational modifications (PTMs). However, precisely altering or constructing the C-C scaffolds pervasive throughout biology is difficult with common two-electron chemical approaches. Recently, there has been a surge of new methods that have utilized single electron/radical chemistry applied to site-specifically "edit" proteins that have started to create this potential-one that in principle could be near free-ranging. This review provides an overview of current methods that install such "edits", including those that generate function and/or PTMs, through radical C-C bond formation (as well as C-X bond formation via C• where illustrative). These exploit selectivity for either native residues, or preinstalled noncanonical protein side-chains with superior radical generating or accepting abilities. Particular focus will be on the radical generation approach (on-protein or off-protein, use of light and photocatalysts), judging the compatibility of conditions with proteins and cells, and novel chemical biology applications afforded by these methods. While there are still many technical hurdles, radical C-C bond formation on proteins is a promising and rapidly growing area in chemical biology with long-term potential for biological editing.
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Affiliation(s)
- Xuanxiao Chen
- Department
of Chemistry, University of Oxford, Oxford, OX1 3TA, U.K.
- The
Rosalind Franklin Institute, Oxfordshire, OX11 OFA, U.K.
| | - Brian Josephson
- Department
of Chemistry, University of Oxford, Oxford, OX1 3TA, U.K.
| | - Benjamin G. Davis
- Department
of Chemistry, University of Oxford, Oxford, OX1 3TA, U.K.
- The
Rosalind Franklin Institute, Oxfordshire, OX11 OFA, U.K.
- Department
of Pharmacology, University of Oxford, Oxford, OX1 3QT, U.K.
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12
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Ramkumar N, Baumane L, Zacs D, Veliks J. Merging Copper(I) Photoredox Catalysis and Iodine(III) Chemistry for the Oxy-monofluoromethylation of Alkenes. Angew Chem Int Ed Engl 2023; 62:e202219027. [PMID: 36692216 DOI: 10.1002/anie.202219027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 01/25/2023]
Abstract
A simple process for the oxy-monofluoromethylation of alkenes is described. In combination with visible-light copper(I) photoredox catalysis, an easily accessible iodine(III) reagent containing monofluoroacetoxy ligands serves as a powerful source of a monofluoromethyl (CH2 F) radical, enabling the step economical synthesis of γ-fluoro-acetates from a broad range of olefinic substrates under mild conditions. Applications to late-stage diversification of alkenes derived from complex molecules, amino acids and the synthesis of fluoromethylated heterocycles are also demonstrated.
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Affiliation(s)
- Nagarajan Ramkumar
- Latvian Institute of Organic Synthesis, Aizkraukles iela 21, LV-1006, Riga, Latvia
| | - Larisa Baumane
- Latvian Institute of Organic Synthesis, Aizkraukles iela 21, LV-1006, Riga, Latvia
| | - Dzintars Zacs
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076, Riga, Latvia
| | - Janis Veliks
- Latvian Institute of Organic Synthesis, Aizkraukles iela 21, LV-1006, Riga, Latvia
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13
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Liu X, Wang Y, Xu T. Chemo- and Diastereoselective Acylfluorination of Nonactivated Olefins to Access Benzo[ b]azepines. Org Lett 2023; 25:726-731. [PMID: 36705940 DOI: 10.1021/acs.orglett.2c04082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Here, we describe a transition-metal-free condition that realized the intramolecular acylfluorination of unactivated olefins. It was designed to access seven-membered-ring-containing benzo[b]annulenones from readily prepared 2-allylamino benzoic acids. The formation of a broad scope of electronically and sterically varied benzo[b]annulenones was demonstrated (>30 examples, up to 88% yield and >20:1 dr ratio). Mechanistic studies indicated that the in situ formed XatlFluor-E-activated anhydride was the active species and induced an electrophilic 7-endo-trig cyclization, followed by fluoride capture of the cation.
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Affiliation(s)
- Xingfeng Liu
- Molecular Synthesis Center and Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, China
| | - Yuxi Wang
- Molecular Synthesis Center and Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, China
| | - Tao Xu
- Molecular Synthesis Center and Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology, 1 Wenhai Road, Qingdao, Shandong 266237, China
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14
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Ji P, Chen J, Meng X, Gao F, Dong Y, Xu H, Wang W. Design of Photoredox-Catalyzed Giese-Type Reaction for the Synthesis of Chiral Quaternary α-Aryl Amino Acid Derivatives via Clayden Rearrangement. J Org Chem 2022; 87:14706-14714. [PMID: 36264622 DOI: 10.1021/acs.joc.2c02029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Chiral quaternary α-aryl amino acids are biologically valued but synthetically challenging building blocks. Herein, we report a strategy for the synthesis of molecular architectures by unifying a photoredox catalytic asymmetric Giese-type reaction and Clayden rearrangement. A new class of chiral Karady-Beckwith dehydroalanines is designed and serves as a versatile handle for the photoredox-mediated highly stereoselective Giese-type reaction with feedstock carboxylic acids and tertiary amines. Subsequent Clayden rearrangement delivers chiral quaternary α-aryl amino acid derivatives with high stereoselectivity. The versatile approach offers a reliable source for the assembly of highly demanding chiral building blocks.
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Affiliation(s)
- Peng Ji
- Departments of Pharmacology and Toxicology and Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0207, United States
| | - Jing Chen
- Departments of Pharmacology and Toxicology and Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0207, United States
| | - Xiang Meng
- Departments of Pharmacology and Toxicology and Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0207, United States
| | - Feng Gao
- Departments of Pharmacology and Toxicology and Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0207, United States
| | - Yue Dong
- Departments of Pharmacology and Toxicology and Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0207, United States
| | - Hang Xu
- Departments of Pharmacology and Toxicology and Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0207, United States
| | - Wei Wang
- Departments of Pharmacology and Toxicology and Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0207, United States
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15
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Jia H, Ritter T. α-Thianthrenium Carbonyl Species: The Equivalent of an α-Carbonyl Carbocation. Angew Chem Int Ed Engl 2022; 61:e202208978. [PMID: 35895980 PMCID: PMC9804271 DOI: 10.1002/anie.202208978] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Indexed: 01/05/2023]
Abstract
Here we report an α-thianthrenium carbonyl species, as the equivalent of an α-carbonyl carbocation, which is generated by the radical conjugate addition of a trifluoromethyl thianthrenium salt to Michael acceptors. The reactivity allows for the synthesis of Cα -tetrasubstituted α- and β-amino acid analogues via a Ritter reaction by addition of acetonitrile. Addition of hydroxide, methoxide, and even fluoride can afford α-heteroatom substituted α-phenylpropanoates.
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Affiliation(s)
- Hao Jia
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany,Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Tobias Ritter
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
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16
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Jia H, Ritter T. α‐Thianthrenium Carbonyl Species: The Equivalent of an α‐Carbonyl Carbocation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hao Jia
- Max-Planck-Institute für Kohlenforschung: Max-Planck-Institut fur Kohlenforschung Chemistry Kaiser-Wilhelm-Platz 1 45470 Muelheim an der Ruhr GERMANY
| | - Tobias Ritter
- Max-Planck-Institut für Kohlenforschung: Max-Planck-Institut fur Kohlenforschung Department of Organic Chemistry Kaiser-Wilhelm-Platz 1 45470 Muelheim an der Ruhr GERMANY
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17
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Immel JR, Bloom S. carba-Nucleopeptides (cNPs): A Biopharmaceutical Modality Formed through Aqueous Rhodamine B Photoredox Catalysis. Angew Chem Int Ed Engl 2022; 61:e202205606. [PMID: 35507689 PMCID: PMC9256812 DOI: 10.1002/anie.202205606] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Indexed: 12/14/2022]
Abstract
Exchanging the ribose backbone of an oligonucleotide for a peptide can enhance its physiologic stability and nucleic acid binding affinity. Ordinarily, the eneamino nitrogen atom of a nucleobase is fused to the side chain of a polypeptide through a new C-N bond. The discovery of C-C linked nucleobases in the human transcriptome reveals new opportunities for engineering nucleopeptides that replace the traditional C-N bond with a non-classical C-C bond, liberating a captive nitrogen atom and promoting new hydrogen bonding and π-stacking interactions. We report the first late-stage synthesis of C-C linked carba-nucleopeptides (cNPs) using aqueous Rhodamine B photoredox catalysis. We prepare brand-new cNPs in batch, in parallel, and in flow using three long-wavelength photochemical setups. We detail the mechanism of our reaction by experimental and computational studies and highlight the essential role of diisopropylethylamine as a bifurcated two-electron reductant.
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Affiliation(s)
- Jacob R Immel
- Department of Medicinal Chemistry, University of Kansas, Lawrence, KS 66045, USA
| | - Steven Bloom
- Department of Medicinal Chemistry, University of Kansas, Lawrence, KS 66045, USA
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18
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Immel JR, Bloom S. carba
‐Nucleopeptides (
c
NPs): A Biopharmaceutical Modality Formed through Aqueous Rhodamine B Photoredox Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205606] [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)
- Jacob R. Immel
- Department of Medicinal Chemistry University of Kansas Lawrence KS 66045 USA
| | - Steven Bloom
- Department of Medicinal Chemistry University of Kansas Lawrence KS 66045 USA
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19
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Peng X, Xu K, Zhang Q, Liu L, Tan J. Dehydroalanine modification sees the light: a photochemical conjugate addition strategy. TRENDS IN CHEMISTRY 2022. [DOI: 10.1016/j.trechm.2022.04.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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20
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Coppola GA, Pillitteri S, Van der Eycken EV, You SL, Sharma UK. Multicomponent reactions and photo/electrochemistry join forces: atom economy meets energy efficiency. Chem Soc Rev 2022; 51:2313-2382. [PMID: 35244107 DOI: 10.1039/d1cs00510c] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Visible-light photoredox catalysis has been regarded as an extremely powerful tool in organic chemistry, bringing the spotlight back to radical processes. The versatility of photocatalyzed reactions has already been demonstrated to be effective in providing alternative routes for cross-coupling as well as multicomponent reactions. The photocatalyst allows the generation of high-energy intermediates through light irradiation rather than using highly reactive reagents or harsh reaction conditions. In a similar vein, organic electrochemistry has experienced a fruitful renaissance as a tool for generating reactive intermediates without the need for any catalyst. Such milder approaches pose the basis toward higher selectivity and broader applicability. In photocatalyzed and electrochemical multicomponent reactions, the generation of the radical species acts as a starter of the cascade of events. This allows for diverse reactivity and the use of reagents is usually not covered by classical methods. Owing to the availability of cheaper and more standardized photo- and electrochemical reactors, as well as easily scalable flow-setups, it is not surprising that these two fields have become areas of increased research interest. Keeping these in view, this review is aimed at providing an overview of the synthetic approaches in the design of MCRs involving photoredox catalysis and/or electrochemical activation as a crucial step with particular focus on the choice of the difunctionalized reagent.
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Affiliation(s)
- Guglielmo A Coppola
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium.
| | - Serena Pillitteri
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium.
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium. .,Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China.
| | - Upendra K Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium.
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21
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Wang S, Zhou Q, Zhang X, Wang P. Site‐Selective Itaconation of Complex Peptides by Photoredox Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202111388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Siyao Wang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Jiao Tong University No. 800, Dongchuan Rd Shanghai 200240 China
| | - QingQing Zhou
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Jiao Tong University No. 800, Dongchuan Rd Shanghai 200240 China
| | - Xiaheng Zhang
- School of Chemistry and Materials Science Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences 1 Sub-lane Xiangshan Hangzhou 310024 China
| | - Ping Wang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Jiao Tong University No. 800, Dongchuan Rd Shanghai 200240 China
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22
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Jang E, Kim HI, Jang HS, Sim J. Photoredox-Catalyzed Oxidative Radical-Polar Crossover Enables the Alkylfluorination of Olefins. J Org Chem 2022; 87:2640-2650. [PMID: 35020397 DOI: 10.1021/acs.joc.1c02607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The three-component alkylfluorination of olefins via an oxidative radical-polar crossover under visible light-induced photocatalysis is disclosed. A key feature of this reaction is the incorporation of two synthetically meaningful components involving a three-dimensional alkyl group and a fluorine atom using easily preparable N-hydroxyphthalimide esters as the alkyl donors and a low-cost hydrogen fluoride as the fluorine source. Furthermore, a one-step procedure using commercially available carboxylic acids demonstrated the versatility of this new method.
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Affiliation(s)
- Eunbin Jang
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
| | - Hoe In Kim
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
| | - Hye Su Jang
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
| | - Jaehoon Sim
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea
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23
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Liu Q, Huo CD, Du Z, Fu Y. Recent Progress in Organophotoredox Reaction. Org Biomol Chem 2022; 20:6721-6740. [DOI: 10.1039/d2ob00807f] [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 the past decade, visible light photoredox catalysis has been established as a gentle and powerful strategy for the activation of organic molecules. As an important part of it, organic...
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24
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Wan Y, Wu H, Ma N, Zhao J, Zhang Z, Gao W, Zhang G. De novo design and synthesis of dipyridopurinone derivatives as visible-light photocatalysts in productive guanylation reactions. Chem Sci 2021; 12:15988-15997. [PMID: 35024122 PMCID: PMC8672711 DOI: 10.1039/d1sc05294b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 11/12/2021] [Indexed: 02/05/2023] Open
Abstract
Described here is the de novo design and synthesis of a series of 6H-dipyrido[1,2-e:2',1'-i]purin-6-ones (DPs) as a new class of visible-light photoredox catalysts (PCs). The synthesized DP1-5 showed their λ Abs(max) values in 433-477 nm, excited state redox potentials in 1.15-0.69 eV and -1.41 to -1.77 eV (vs. SCE), respectively. As a representative, DP4 enables the productive guanylation of various amines, including 1°, 2°, and 3°-alkyl primary amines, secondary amines, aryl and heteroaryl amines, amino-nitrile, amino acids and peptides as well as propynylamines and α-amino esters giving diversities in biologically important guanidines and cyclic guanidines. The photocatalytic efficacy of DP4 in the guanylation overmatched commonly used Ir and Ru polypyridyl complexes, and some organic PCs. Other salient merits of this method include broad substrate scope and functional group tolerance, gram-scale synthesis, and versatile late-stage derivatizations that led to a derivative 81 exhibiting 60-fold better anticancer activity against Ramos cells with the IC50 of 0.086 μM than that of clinical drug ibrutinib (5.1 μM).
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Affiliation(s)
- Yameng Wan
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University 46 East of Construction Road Xinxiang Henan 453007 China
| | - Hao Wu
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University 46 East of Construction Road Xinxiang Henan 453007 China
| | - Nana Ma
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University 46 East of Construction Road Xinxiang Henan 453007 China
| | - Jie Zhao
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University 46 East of Construction Road Xinxiang Henan 453007 China
| | - Zhiguo Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University 46 East of Construction Road Xinxiang Henan 453007 China
| | - Wenjing Gao
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University 46 East of Construction Road Xinxiang Henan 453007 China
| | - Guisheng Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University 46 East of Construction Road Xinxiang Henan 453007 China
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25
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Wang S, Zhou Q, Zhang X, Wang P. Site-Selective Itaconation of Complex Peptides by Photoredox Catalysis. Angew Chem Int Ed Engl 2021; 61:e202111388. [PMID: 34845804 DOI: 10.1002/anie.202111388] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Indexed: 12/20/2022]
Abstract
Site-selective peptide functionalization provides a straightforward and cost-effective access to diversify peptides for biological studies. Among many existing non-invasive peptide conjugations methodologies, photoredox catalysis has emerged as one of the powerful approaches for site-specific manipulation on native peptides. Herein, we report a highly N-termini-specific method to rapidly access itaconated peptides and their derivatives through a combination of transamination and photoredox conditions. This strategy exploits the facile reactivity of peptidyl-dihydropyridine in the complex peptide settings, complementing existing approaches for bioconjugations with excellent selectivity under mild conditions. Distinct from conventional methods, this method utilizes the highly reactive carbamoyl radical derived from a peptidyl-dihydropyridine. In addition, this itaconated peptide can be further functionalized as a Michael acceptor to access the corresponding peptide-protein conjugate.
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Affiliation(s)
- Siyao Wang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, No. 800, Dongchuan Rd, Shanghai, 200240, China
| | - QingQing Zhou
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, No. 800, Dongchuan Rd, Shanghai, 200240, China
| | - Xiaheng Zhang
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou, 310024, China
| | - Ping Wang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, No. 800, Dongchuan Rd, Shanghai, 200240, China
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26
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Visible-light-mediated catalyst-free synthesis of unnatural α-amino acids and peptide macrocycles. Nat Commun 2021; 12:6873. [PMID: 34824205 PMCID: PMC8617070 DOI: 10.1038/s41467-021-27086-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 10/14/2021] [Indexed: 01/13/2023] Open
Abstract
The visible light induced, photocatalysts or photoabsorbing EDA complexes mediated cleavage of pyridinium C-N bond were reported in the past years. Here, we report an ionic compound promote homolytic cleavage of pyridinium C-N bond by exploiting the photonic energy from visible light. This finding is successfully applied in deaminative hydroalkylation of a series of alkenes including naturally occurring dehydroalanine, which provides an efficient way to prepare β-alkyl substituted unnatural amino acids under mild and photocatalyst-free conditions. Importantly, by using this protocol, the deaminative cyclization of peptide backbone N-terminals is realized. Furthermore, the use of Et3N or PPh3 as reductants and H2O as hydrogen atom source is a practical advantage. We anticipate that our protocol will be useful in peptide synthesis and modern peptide drug discovery.
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27
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Qian H, Chen J, Zhang B, Cheng Y, Xiao WJ, Chen JR. Visible-Light-Driven Photoredox-Catalyzed Three-Component Radical Cyanoalkylfluorination of Alkenes with Oxime Esters and a Fluoride Ion. Org Lett 2021; 23:6987-6992. [PMID: 34432474 DOI: 10.1021/acs.orglett.1c02686] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A metal-free, photoredox-catalyzed three-component cyanoalkylfluorination of alkenes under mild and redox-neutral conditions is reported. This protocol features use of readily available alkenes, oxime esters, and cost-effective nucleophilic fluoride reagents, giving diverse cyanoalkylfluorinated products with generally good yields. Excellent functional group tolerance and mild reaction conditions also render this protocol suitable for cyanoalkylfluorination of pharmaceutically relevant molecule-derived alkene.
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Affiliation(s)
- Hao Qian
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
| | - Jun Chen
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
| | - Bin Zhang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
| | - Ying Cheng
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
| | - Wen-Jing Xiao
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China.,Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Jia-Rong Chen
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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28
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Tlili A, Lakhdar S. Acridinium Salts and Cyanoarenes as Powerful Photocatalysts: Opportunities in Organic Synthesis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102262] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Anis Tlili
- Institute of Chemistry and Biochemistry (ICBMS-UMR CNRS 5246) Univ Lyon, Université Lyon 1 CNRS CPE-Lyon INSA 43 Bd du 11 Novembre 1918 69622 Villeurbanne France
| | - Sami Lakhdar
- CNRS/Université Toulouse III—Paul Sabatier Laboratoire Hétérochimie Fondamentale et Appliquée LHFA UMR 5069 118 Route de Narbonne 31062 Toulouse Cedex 09 France
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29
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Tlili A, Lakhdar S. Acridinium Salts and Cyanoarenes as Powerful Photocatalysts: Opportunities in Organic Synthesis. Angew Chem Int Ed Engl 2021; 60:19526-19549. [PMID: 33881207 DOI: 10.1002/anie.202102262] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 04/16/2021] [Indexed: 01/18/2023]
Abstract
The use of organic photocatalysts has revolutionized the field of photoredox catalysis, as it allows access to reactivities that were traditionally restricted to transition-metal photocatalysts. This Minireview reports recent developments in the use of acridinium ions and cyanoarene derivatives in organic synthesis. The activation of inert chemical bonds as well as the late-stage functionalization of biorelevant molecules are discussed, with a special focus on their mechanistic aspects.
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Affiliation(s)
- Anis Tlili
- Institute of Chemistry and Biochemistry (ICBMS-UMR CNRS 5246), Univ Lyon, Université Lyon 1, CNRS, CPE-Lyon, INSA, 43 Bd du 11 Novembre 1918, 69622, Villeurbanne, France
| | - Sami Lakhdar
- CNRS/Université Toulouse III-Paul Sabatier, Laboratoire Hétérochimie Fondamentale et Appliquée, LHFA UMR 5069, 118 Route de Narbonne, 31062, Toulouse Cedex 09, France
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30
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Ranjan P, Pillitteri S, Coppola G, Oliva M, Van der Eycken EV, Sharma UK. Unlocking the Accessibility of Alkyl Radicals from Boronic Acids through Solvent-Assisted Organophotoredox Activation. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02823] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Prabhat Ranjan
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Serena Pillitteri
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Guglielmo Coppola
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Monica Oliva
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Erik V. Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium
- Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya Street 6, 117198 Moscow, Russia
| | - Upendra K. Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium
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31
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Immel JR, Chilamari M, Bloom S. Combining flavin photocatalysis with parallel synthesis: a general platform to optimize peptides with non-proteinogenic amino acids. Chem Sci 2021; 12:10083-10091. [PMID: 34377401 PMCID: PMC8317666 DOI: 10.1039/d1sc02562g] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 06/28/2021] [Indexed: 02/06/2023] Open
Abstract
Most peptide drugs contain non-proteinogenic amino acids (NPAAs), born out through extensive structure-activity relationship (SAR) studies using solid-phase peptide synthesis (SPPS). Synthetically laborious and expensive to manufacture, NPAAs also can have poor coupling efficiencies allowing only a small fraction to be sampled by conventional SPPS. To gain general access to NPAA-containing peptides, we developed a first-generation platform that merges contemporary flavin photocatalysis with parallel synthesis to simultaneously make, purify, quantify, and even test up to 96 single-NPAA peptide variants via the unique combination of boronic acids and a dehydroalanine residue in a peptide. We showcase the power of our newly minted platform to introduce NPAAs of diverse chemotypes-aliphatic, aromatic, heteroaromatic-directly into peptides, including 15 entirely new residues, and to evolve a simple proteinogenic peptide into an unnatural inhibitor of thrombin by non-classical peptide SAR.
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Affiliation(s)
- Jacob R Immel
- Department of Medicinal Chemistry, The University of Kansas Integrated Science Building Lawrence KS 66045 USA
| | - Maheshwerreddy Chilamari
- Department of Medicinal Chemistry, The University of Kansas Integrated Science Building Lawrence KS 66045 USA
| | - Steven Bloom
- Department of Medicinal Chemistry, The University of Kansas Integrated Science Building Lawrence KS 66045 USA
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32
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Liu L, Deng Z, Xu K, Jiang P, Du H, Tan J. Access to Deuterated Unnatural α-Amino Acids and Peptides by Photochemical Acyl Radical Addition. Org Lett 2021; 23:5299-5304. [PMID: 34170137 DOI: 10.1021/acs.orglett.1c01448] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A visible-light-enabled, photocatalyst-free conjugate addition reaction of dehydroamino acids is disclosed. Employing 4-acyl-1,4-dihydropyridines as both a radical reservoir and reductant, various β-acyl α-amino acids and their deuterated analogues were obtained in good results. Both late-stage peptide modification and stereoselective synthesis of chiral oxazolidinones are successfully achieved. The protocol is characterized by mild conditions and efficient derivatization, thus unlocking a novel blueprint to access unnatural amino acid derivatives, important building blocks with potential application in the peptidomimetic toolbox.
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Affiliation(s)
- Li Liu
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, People's Republic of China
| | - Zikun Deng
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, People's Republic of China
| | - Kun Xu
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Pengxing Jiang
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, People's Republic of China
| | - Hongguang Du
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, People's Republic of China
| | - Jiajing Tan
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, People's Republic of China
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33
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Delgado JAC, Correia JTM, Pissinati EF, Paixão MW. Biocompatible Photoinduced Alkylation of Dehydroalanine for the Synthesis of Unnatural α-Amino Acids. Org Lett 2021; 23:5251-5255. [PMID: 34152782 DOI: 10.1021/acs.orglett.1c01781] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A site-selective alkylation of dehydroalanine to access protected unnatural amino acids is described. The protocol is characterized by the wide nature of alkyl radicals employed, mild conditions, and functional group compatibility. This protocol is further extended to access peptides, late-stage functionalization of pharmaceuticals, and enantioenriched amino acids.
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Affiliation(s)
- José A C Delgado
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos-UFSCar, Rodovia Washington Luís, km 235-SP-310, São Paulo 13565-905, Brazil
| | - José T M Correia
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos-UFSCar, Rodovia Washington Luís, km 235-SP-310, São Paulo 13565-905, Brazil
| | - Emanuele F Pissinati
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos-UFSCar, Rodovia Washington Luís, km 235-SP-310, São Paulo 13565-905, Brazil
| | - Márcio W Paixão
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos-UFSCar, Rodovia Washington Luís, km 235-SP-310, São Paulo 13565-905, Brazil
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34
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Li X, He S, Song Q. Rapid incorporation of a difluoroacetate radical into para-quinone methides via radical 1,6-conjugate addition. Chem Commun (Camb) 2021; 57:6035-6038. [PMID: 34037000 DOI: 10.1039/d1cc02149d] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Presented herein is a newly designed strategy that rapidly introduces ethyl difluoroacetate radicals through a dialkylzincs induced radical 1,6-conjugate addition pathway. Besides achieving high yields and excellent functional group compatibility, this protocol allowed the incorporation of a gem-difluoromethylene motif to be accomplished within minutes.
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Affiliation(s)
- Xin Li
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering, Huaqiao University, 668 Jimei Blvd, Xiamen 361021, Fujian, China.
| | - Songtao He
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering, Huaqiao University, 668 Jimei Blvd, Xiamen 361021, Fujian, China.
| | - Qiuling Song
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering, Huaqiao University, 668 Jimei Blvd, Xiamen 361021, Fujian, China. and State Key Laboratory of Organometallic Chemistry and Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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35
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Tang HJ, Zhang B, Xue F, Feng C. Visible-Light-Induced Meerwein Fluoroarylation of Styrenes. Org Lett 2021; 23:4040-4044. [PMID: 33949871 DOI: 10.1021/acs.orglett.1c01249] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An unprecedented approach for assembling a broad range of 1,2-diarylethane derivatives with fluorine-containing fully substituted carbon centers was developed. The protocol features straightforward operation, proceeds under metal-free condition, and accommodates a large variety of synthetically useful functionalities. The critical aspect to the success of this novel transformation lies in using aryldiazonium salts as both aryl radical progenitor and also as single electron acceptor which elegantly enables a radical-polar crossover manifold.
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Affiliation(s)
- Hai-Jun Tang
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Bin Zhang
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Fei Xue
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Chao Feng
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
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36
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Eitzinger A, Otevrel J, Haider V, Macchia A, Massa A, Faust K, Spingler B, Berkessel A, Waser M. Enantioselective Bifunctional Ammonium Salt-Catalyzed Syntheses of 3-CF 3S-, 3-RS-, and 3-F-Substituted Isoindolinones. Adv Synth Catal 2021; 363:1955-1962. [PMID: 33897314 PMCID: PMC8050839 DOI: 10.1002/adsc.202100029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/09/2021] [Indexed: 01/12/2023]
Abstract
We herein report the ammonium salt-catalyzed synthesis of chiral 3,3-disubstituted isoindolinones bearing a heteroatom functionality in the 3-position. A broad variety of differently substituted CF3S- and RS-derivatives were obtained with often high enantioselectivities when using Maruoka's bifunctional chiral ammonium salt catalyst. In addition, a first proof-of-concept for the racemic synthesis of the analogous F-containing products was obtained as well, giving access to one of the rare examples of a fairly stable α-F-α-amino acid derivative.
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Affiliation(s)
- Andreas Eitzinger
- Institute of Organic ChemistryJohannes Kepler University LinzAltenbergerstr. 694040LinzAustria
| | - Jan Otevrel
- Institute of Organic ChemistryJohannes Kepler University LinzAltenbergerstr. 694040LinzAustria
- Department of Chemical DrugsFaculty of PharmacyMasaryk UniversityPalackeho 1946/1612 00BrnoCzechia
| | - Victoria Haider
- Institute of Organic ChemistryJohannes Kepler University LinzAltenbergerstr. 694040LinzAustria
| | - Antonio Macchia
- Dipartimento di Chimica e BiologiaUniversità di SalernoVia Giovanni Paolo II, 13284084FiscianoSAItaly
| | - Antonio Massa
- Dipartimento di Chimica e BiologiaUniversità di SalernoVia Giovanni Paolo II, 13284084FiscianoSAItaly
| | - Kirill Faust
- Institute of CatalysisJohannes Kepler University LinzAltenbergerstr. 694040LinzAustria
| | - Bernhard Spingler
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 1908057ZurichSwitzerland
| | - Albrecht Berkessel
- Department of ChemistryCologne UniversityGreinstrasse 450939CologneGermany
| | - Mario Waser
- Institute of Organic ChemistryJohannes Kepler University LinzAltenbergerstr. 694040LinzAustria
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37
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IMAI N, INAGI S, FUCHIGAMI T. Anodic Fluorination and Cathodic Michael Addition of Schiff Bases Bearing Trifluoromethyl and Ester Groups. ELECTROCHEMISTRY 2021. [DOI: 10.5796/electrochemistry.21-65002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Nanae IMAI
- Department of Electronic Chemistry, Tokyo Institute of Technology
| | - Shinsuke INAGI
- Department of Chemical Science and Engineering, Tokyo Institute of Technology
| | - Toshio FUCHIGAMI
- Department of Electronic Chemistry, Tokyo Institute of Technology
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38
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Wang X, Chen Y, Song H, Liu Y, Wang Q. Synthesis of Unnatural α-Amino Acids via Photoinduced Decatungstate-Catalyzed Giese Reactions of Aldehydes. Org Lett 2021; 23:2199-2204. [DOI: 10.1021/acs.orglett.1c00345] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Xinmou Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Yuming Chen
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Hongjian Song
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Yuxiu Liu
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Qingmin Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, People’s Republic of China
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39
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Bao G, Wang P, Li G, Yu C, Li Y, Liu Y, He Z, Zhao T, Rao J, Xie J, Hong L, Sun W, Wang R. 1,3‐Dipolar Cycloaddition between Dehydroalanines and C,N‐Cyclic Azomethine Imines: Application to Late‐Stage Peptide Modification. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Guangjun Bao
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Peng Wang
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Guofeng Li
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Changjun Yu
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Yiping Li
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Yuyang Liu
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Zeyuan He
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Tiantian Zhao
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Jing Rao
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Junqiu Xie
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Liang Hong
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Wangsheng Sun
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
| | - Rui Wang
- School of Life Sciences Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science Chinese Academy of Medical Sciences, 2019RU066 Lanzhou University 199 West Donggang Rd Lanzhou 730000 Gansu P. R. China
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40
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Wan Y, Zhu J, Yuan Q, Wang W, Zhang Y. Synthesis of β-Silyl α-Amino Acids via Visible-Light-Mediated Hydrosilylation. Org Lett 2021; 23:1406-1410. [PMID: 33502205 DOI: 10.1021/acs.orglett.1c00065] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
An expedient synthesis of β-silyl α-amino acids is reported via the application of visible-light-mediated hydrosilylation. The reaction utilizes readily accessible and structurally diverse hydrosilanes to provide radicals for conjugate addition to dehydroalanine ester and analogues. Notably, the use of chiral methyleneoxazolidinone as the substrate and chiral inducer enabled the highly stereoselective synthesis. Furthermore, the reaction could also be performed in a continuous flow fashion and scaled up to the gram scale.
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Affiliation(s)
- Yi Wan
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Jiajie Zhu
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Qiyang Yuan
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Wei Wang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China.,Department of Pharmacology and Toxicology and BIO5 Institute, University of Arizona, Tucson, Arizona 85721-0207, United States
| | - Yongqiang Zhang
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
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41
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Bao G, Wang P, Li G, Yu C, Li Y, Liu Y, He Z, Zhao T, Rao J, Xie J, Hong L, Sun W, Wang R. 1,3-Dipolar Cycloaddition between Dehydroalanines and C,N-Cyclic Azomethine Imines: Application to Late-Stage Peptide Modification. Angew Chem Int Ed Engl 2021; 60:5331-5338. [PMID: 33179384 DOI: 10.1002/anie.202012523] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/03/2020] [Indexed: 12/12/2022]
Abstract
A non-catalytic, mild, and easy-to-handle protecting group switched 1,3-dipolar cycloaddition (1,3-DC) between bi- or mono-N-protected Dha and C,N-cyclic azomethine imines, which afford various quaternary amino acids with diverse scaffolds, is disclosed. Specifically, normal-electron-demand 1,3-DC reaction occurs between bi-N-protected Dha and C,N-cyclic azomethine imines, while inverse-electron-demand 1,3-DC reaction occurs between mono-N-protected Dha and C,N-cyclic azomethine imines. Above all, the reactions can be carried out between peptides with Dha residues at the position of interest and C,N-cyclic azomethine imines, both in homogeneous phase and on resins in SPPS. It provides a new toolkit for late-stage peptide modification, labeling, and peptide-drug conjugation. To shed light on the high regioselectivity of the reaction, DFT calculations were carried out, which were qualitatively consistent with the experimental observations.
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Affiliation(s)
- Guangjun Bao
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Peng Wang
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Guofeng Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Changjun Yu
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Yiping Li
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Yuyang Liu
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Zeyuan He
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Tiantian Zhao
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Jing Rao
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Junqiu Xie
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Liang Hong
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Wangsheng Sun
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
| | - Rui Wang
- School of Life Sciences, Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, 199 West Donggang Rd, Lanzhou, 730000, Gansu, P. R. China
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42
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Aguilar Troyano FJ, Merkens K, Anwar K, Gómez‐Suárez A. Radical-Based Synthesis and Modification of Amino Acids. Angew Chem Int Ed Engl 2021; 60:1098-1115. [PMID: 32841470 PMCID: PMC7820943 DOI: 10.1002/anie.202010157] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Indexed: 12/30/2022]
Abstract
Amino acids (AAs) are key structural motifs with widespread applications in organic synthesis, biochemistry, and material sciences. Recently, with the development of milder and more versatile radical-based procedures, the use of strategies relying on radical chemistry for the synthesis and modification of AAs has gained increased attention, as they allow rapid access to libraries of novel unnatural AAs containing a wide range of structural motifs. In this Minireview, we provide a broad overview of the advancements made in this field during the last decade, focusing on methods for the de novo synthesis of α-, β-, and γ-AAs, as well as for the selective derivatisation of canonical and non-canonical α-AAs.
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Affiliation(s)
| | - Kay Merkens
- Organic ChemistryBergische Universität WuppertalGaussstrasse 2042119WuppertalGermany
| | - Khadijah Anwar
- Organic ChemistryBergische Universität WuppertalGaussstrasse 2042119WuppertalGermany
| | - Adrián Gómez‐Suárez
- Organic ChemistryBergische Universität WuppertalGaussstrasse 2042119WuppertalGermany
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43
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King TA, Mandrup Kandemir J, Walsh SJ, Spring DR. Photocatalytic methods for amino acid modification. Chem Soc Rev 2021; 50:39-57. [DOI: 10.1039/d0cs00344a] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This tutorial review introduces photocatalysis for amino acid modification and summarises recent advances in the field.
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Affiliation(s)
- Thomas A. King
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | | | - Stephen J. Walsh
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - David R. Spring
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
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44
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Boto A, González CC, Hernández D, Romero-Estudillo I, Saavedra CJ. Site-selective modification of peptide backbones. Org Chem Front 2021. [DOI: 10.1039/d1qo00892g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Exciting developments in the site-selective modification of peptide backbones are allowing an outstanding fine-tuning of peptide conformation, folding ability, and physico-chemical and biological properties.
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Affiliation(s)
- Alicia Boto
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain
| | - Concepción C. González
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain
| | - Dácil Hernández
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain
| | - Iván Romero-Estudillo
- Centro de Investigaciones Químicas-IICBA, Universidad Autónoma del Estado de Morelos. Av. Universidad 1001, Cuernavaca, Morelos 62209, Mexico
- Catedrático CONACYT-CIQ-UAEM, Mexico
| | - Carlos J. Saavedra
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain
- Programa Agustín de Betancourt, Universidad de la Laguna, 38200 Tenerife, Spain
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45
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Xi Y, Wang C, Zhang Q, Qu J, Chen Y. Palladium‐Catalyzed Regio‐, Diastereo‐, and Enantioselective 1,2‐Arylfluorination of Internal Enamides. Angew Chem Int Ed Engl 2020; 60:2699-2703. [DOI: 10.1002/anie.202012882] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Yang Xi
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Chenchen Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Qian Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
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Xi Y, Wang C, Zhang Q, Qu J, Chen Y. Palladium‐Catalyzed Regio‐, Diastereo‐, and Enantioselective 1,2‐Arylfluorination of Internal Enamides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012882] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yang Xi
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Chenchen Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Qian Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
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Wang C, Xi Y, Huang W, Qu J, Chen Y. Nickel-Catalyzed Regioselective Hydroarylation of Internal Enamides. Org Lett 2020; 22:9319-9324. [DOI: 10.1021/acs.orglett.0c03542] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Chenchen Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yang Xi
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Wenyi Huang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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Brittain WDG, Lloyd CM, Cobb SL. Synthesis of complex unnatural fluorine-containing amino acids. J Fluor Chem 2020; 239:109630. [PMID: 33144742 PMCID: PMC7583769 DOI: 10.1016/j.jfluchem.2020.109630] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/12/2020] [Accepted: 08/12/2020] [Indexed: 01/01/2023]
Abstract
The area of fluorinated amino acid synthesis has seen rapid growth over the past decade. As reports of singly fluorinated natural amino acid derivatives have grown, researchers have turned their attention to develop methodology to access complex proteinogenic examples. A variety of reaction conditions have been employed in this area, exploiting new advances in the wider synthetic community such as photocatalysis and palladium cross-coupling. In addition, novel fluorinated functional groups have also been incorporated into amino acids, with SFX and perfluoro moieties now appearing with more frequency in the literature. This review focuses on synthetic methodology for accessing complex non-proteinogenic amino acids, along with amino acids containing multiple fluorine atoms such as CF3, SF5 and perfluoroaromatic groups.
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Affiliation(s)
| | - Carissa M Lloyd
- Department of Chemistry, Durham University, Durham DH1 3LE, United Kingdom
| | - Steven L Cobb
- Department of Chemistry, Durham University, Durham DH1 3LE, United Kingdom
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Zhang X, Gao Y, Hu X, Ji C, Liu Y, Yu J. Recent Advances in Catalytic Enantioselective Synthesis of Fluorinated α‐ and β‐Amino Acids. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000966] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Xue‐Xin Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University Shanghai 200062 People's Republic of China
| | - Yang Gao
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University Shanghai 200062 People's Republic of China
| | - Xiao‐Si Hu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University Shanghai 200062 People's Republic of China
| | - Cong‐Bin Ji
- School of Chemistry and Environmental Sciences Shangrao Normal University Jiangxi 334001 People's Republic of China
| | - Yun‐Lin Liu
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou 510006 People's Republic of China
| | - Jin‐Sheng Yu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University Shanghai 200062 People's Republic of China
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education Hainan Normal University Haikou 571158 People's Republic of China
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