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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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2
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Sakakibara Y, Itami K, Murakami K. Switchable Decarboxylation by Energy- or Electron-Transfer Photocatalysis. J Am Chem Soc 2024; 146:1554-1562. [PMID: 38103176 DOI: 10.1021/jacs.3c11588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Kolbe dimerization and Hofer-Moest reactions are well-investigated carboxylic acid transformations, wherein new carbon-carbon and carbon-heteroatom bonds are constructed via electrochemical decarboxylation. These transformations can be switched by choosing an electrode that allows control of the reactive intermediate, such as carbon radical or carbocation. However, the requirement of a high current density diminishes the functional group compatibility with these electrochemical reactions. Here, we demonstrate the photocatalytic decarboxylative transformation of activated carboxylic acids in a switchable and functional group-compatible manner. We discovered that switching between Kolbe-type or Hofer-Moest-type reactions can be accomplished with suitable photocatalysts by controlling the reaction pathways: energy transfer (EnT) and single-electron transfer (SET). The EnT pathway promoted by an organo-photocatalyst yielded 1,2-diarylethane from arylacetic acids, whereas the ruthenium photoredox catalyst allows the construction of an ester scaffold with two arylmethyl moieties via the SET pathway. The resulting radical intermediates were coupled to olefins to realize multicomponent reactions. Consequently, four different products were selectively obtained from a simple carboxylic acid. This discovery offers new opportunities for selectively synthesizing multiple products via switchable reactions using identical substrates with minimal cost and effort.
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Affiliation(s)
- Yota Sakakibara
- Graduate School of Science, Nagoya University, Chikusa 464-8602, Nagoya, Japan
- Department of Chemistry, School of Science, Kwansei Gakuin University, Sanda 669-1330, Hyogo, Japan
- Japanese Science and Technology Agency (JST)-PRESTO, Chiyoda 102-0076, Tokyo, Japan
| | - Kenichiro Itami
- Graduate School of Science, Nagoya University, Chikusa 464-8602, Nagoya, Japan
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa 464-8602, Nagoya, Japan
| | - Kei Murakami
- Department of Chemistry, School of Science, Kwansei Gakuin University, Sanda 669-1330, Hyogo, Japan
- Japanese Science and Technology Agency (JST)-PRESTO, Chiyoda 102-0076, Tokyo, Japan
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3
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Yu Z, Kong Y, Li B, Su S, Rao J, Gao Y, Tu T, Chen H, Liao K. HTE- and AI-assisted development of DHP-catalyzed decarboxylative selenation. Chem Commun (Camb) 2023; 59:2935-2938. [PMID: 36799252 DOI: 10.1039/d2cc06217h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
1,4-Dihydropyridine (DHP) derivatives play key roles in biology, but are rarely used as catalysts in synthesis. Here, we developed a DHP derivative-catalyzed decarboxylative selenation reaction that showed a broad substrate scope, with the assistance of high-throughput experimentation (HTE) and artificial intelligence (AI). The AI-based model could identify the key structural features and give accurate prediction of unseen reactions (R2 = 0.89, RMSE = 9.0%, and MAE = 6.3%). Our work not only developed the catalytic applications of DHP derivatives, but also demonstrated the power of the combination of HTE and AI to advance chemical synthesis.
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Affiliation(s)
- Zhunzhun Yu
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
| | - Yaxian Kong
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
| | - Baiqing Li
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
| | - Shimin Su
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
| | - Jianhang Rao
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
| | - Yadong Gao
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
| | - Tianyong Tu
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
| | - Hongming Chen
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
| | - Kuangbiao Liao
- Guangzhou Laboratory, Guangzhou, 510005, Guangdong Province, China.
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Synthesis and Application Dichalcogenides as Radical Reagents with Photochemical Technology. Molecules 2023; 28:molecules28041998. [PMID: 36838986 PMCID: PMC9963440 DOI: 10.3390/molecules28041998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 02/23/2023] Open
Abstract
Dichalcogenides (disulfides and diselenides), as reactants for organic transformations, are important and widely used because of their potential to react with nucleophiles, electrophilic reagents, and radical precursors. In recent years, in combination with photochemical technology, the application of dichalcogenides as stable radical reagents has opened up a new route to the synthesis of various sulfur- and selenium-containing compounds. In this paper, synthetic strategies for disulfides and diselenides and their applications with photochemical technology are reviewed: (i) Cyclization of dichalcogenides with alkenes and alkynes; (ii) direct selenylation/sulfuration of C-H/C-C/C-N bonds; (iii) visible-light-enabled seleno- and sulfur-bifunctionalization of alkenes/alkynes; and (iv) Direct construction of the C(sp)-S bond. In addition, the scopes, limitations, and mechanisms of some reactions are also described.
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Su J, Li C, Hu X, Guo Y, Song Q. Deaminative Arylation and Alkenyaltion of Aliphatic Tertiary Amines with Aryl and Alkenylboronic Acids via Nitrogen Ylides. Angew Chem Int Ed Engl 2022; 61:e202212740. [PMID: 36314477 DOI: 10.1002/anie.202212740] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Indexed: 11/27/2022]
Abstract
Transition-metal-catalyzed Suzuki-Miyaura coupling has significantly advanced C-C bond formation and has been well recognized in organic synthesis, pharmaceuticals, materials science and other fields. In this rapid development, cross coupling without transition metal catalyst is a big challenge in this field, and using widely existing tertiary amines as electrophiles to directly couple with boronic acids has great hurdles yet significant application prospects. Herein, we report an efficient and general deaminative arylation and alkenylation of tertiary amines (propargyl amines, allyl amines and 1H-indol-3-yl methane amines) with ary and alkenylboronic acids enabled by difluorocarbene under transition-metal-free conditions. Preliminary mechanism experiments suggest that in situ formed difluoromethyl quaternary amine salt, nitrogen ylide and tetracoordinate boron species are the key intermediates, the subsequent 1,2-metallate shift and protodeboronation complete the new coupling reaction.
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Affiliation(s)
- Jianke Su
- Institute of Next Generation Matter Transformation, College of Material Sciences Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian, 361021, China
| | - Chengbo Li
- Institute of Next Generation Matter Transformation, College of Material Sciences Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian, 361021, China
| | - Xinyuan Hu
- Institute of Next Generation Matter Transformation, College of Material Sciences Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian, 361021, China
| | - Yu Guo
- Institute of Next Generation Matter Transformation, College of Material Sciences Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian, 361021, China
| | - Qiuling Song
- Institute of Next Generation Matter Transformation, College of Material Sciences Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian, 361021, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China
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Photocatalyzed Oxidative Decarboxylation Forming Aminovinylcysteine Containing Peptides. Catalysts 2022. [DOI: 10.3390/catal12121615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The formation of (2S,3S)-S-[(Z)-aminovinyl]-3-methyl-D-cysteine (AviMeCys) substructures was developed based on the photocatalyzed-oxidative decarboxylation of lanthionine-bearing peptides. The decarboxylative selenoetherification of the N-hydroxyphthalimide ester, generated in situ, proceeded under mild conditions at −40 °C in the presence of 1 mol% of eosin Y-Na2 as a photocatalyst and the Hantzsch ester. The following β-elimination of the corresponding N,Se-acetal was operated in a one-pot operation, led to AviMeCys substructures found in natural products in moderate to good yields. The sulfide-bridged motif, and also the carbamate-type protecting groups, such as Cbz, Teoc, Boc and Fmoc groups, were tolerant under the reaction conditions.
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Shinkawa Y, Furutani T, Ikeda T, Yamawaki M, Morita T, Yoshimi Y. Decarboxylative Side-Chain Functionalization of Aspartic/Glutamic Acids Using Two-Molecule Photoredox Catalysts. J Org Chem 2022; 87:11816-11825. [PMID: 35952660 DOI: 10.1021/acs.joc.2c01606] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The side-chain functionalization of aspartic/glutamic acid derivatives through photoinduced decarboxylation was achieved by using organic two-molecule photoredox catalysts without racemization under mild conditions. A facile process involving the preparation of substrates and photoinduced decarboxylative radical additions can provide easy access to the linked amino acids with carbohydrates and amino acids at the side chain.
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Affiliation(s)
- Yudai Shinkawa
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
| | - Toshiki Furutani
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan.,Department of Chemistry and Biology, National Institute of Technology, Fukui College, Genshi-cho, Fukui 916-8507, Japan
| | - Takumi Ikeda
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
| | - Mugen Yamawaki
- Department of Chemistry and Biology, National Institute of Technology, Fukui College, Genshi-cho, Fukui 916-8507, Japan
| | - Toshio Morita
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
| | - Yasuharu Yoshimi
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
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Elbaum MB, Elkhalifa MA, Molander GA, Chenoweth DM. Solid-Phase Photochemical Peptide Homologation Cyclization. Org Lett 2022; 24:5176-5180. [PMID: 35816696 PMCID: PMC10435287 DOI: 10.1021/acs.orglett.2c02012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Forging new C(sp3)-C(sp3) bonds to central positions within a peptide backbone is critical for the development of new therapeutics and chemical probes. Currently, there are no methods for decarboxylating Asp and Glu side chains solid-phase photochemically or using such radicals to form peptide macrocycles. Herein, electron-donor-acceptor complexes between Hantzsch ester and on-resin peptide N-hydroxyphthalimide radical precursors are used to access these radicals, demonstrated with two-carbon homologations and homologation cyclizations of Atosiban and RGDf.
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Affiliation(s)
- Michael B Elbaum
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Mahmoud A Elkhalifa
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Gary A Molander
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - David M Chenoweth
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
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9
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Hu HW, Zhang C, Yang YM, Deng HQ, Tang ZY. Photocatalytic decarboxylative alkylation of electron-rich heteroarenes with alkyl N-hydroxyphthalimide esters. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Utilization of photocatalysts in decarboxylative coupling of carboxylic N-hydroxyphthalimide (NHPI) esters. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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11
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Recyclable Copper-Catalyzed Decarboxylative C–C Coupling of the sp3-Hybridized Carbon Atoms of α-Amino Acids. Catal Letters 2022. [DOI: 10.1007/s10562-022-03936-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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12
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Peregrina JM, Oroz P, Avenoza A, Busto JH, Corzana F, Zurbano MM. Strategies for the Synthesis of Selenocysteine Derivatives. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/a-1588-9763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Abstractβ-Seleno-α-amino acids, known as selenocysteine (Sec) derivatives, have emerged as important targets because of their role in chemical biology, not only as part of selenoproteins with important redox properties, but also because of their activity as antivirals or metabolites effective in inhibiting carcinogenesis. In addition, there is demand for this type of compounds due to their use in native chemical ligation to construct large peptides. Therefore, this review summarizes the various synthetic methods that have been published to construct Sec derivatives. Most of them involve the generation of the C–Se bond by nucleophilic substitution reactions, but other reactions such as radical or multicomponent strategies are also reported. Of particular importance is the Se-Michael addition of Se-nucleophiles to chiral bicyclic dehydroalanines, in which the stereogenic center is generated under complete stereocontrol.1 Introduction2 Previously Reviewed Synthesis of Sec3 Retrosynthesis of Sec Derivatives4 Sec Derivatives by Nucleophilic Substitutions5 Sec Derivatives by Radical Processes6 Sec Derivatives by 1,4-Conjugate Additions7 Conclusion
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Claraz A, Allain C, Masson G. Electroreductive Cross-Coupling of Trifluoromethyl Alkenes and Redox Active Esters for the Synthesis of Gem-Difluoroalkenes. Chemistry 2021; 28:e202103337. [PMID: 34761845 DOI: 10.1002/chem.202103337] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Indexed: 12/23/2022]
Abstract
An electroreductive access to gem-difluoroalkenes has been developed through the decarboxylative/defluorinative coupling of N-hydroxyphtalimides esters and α-trifluoromethyl alkenes. The electrolysis is performed under very simple reaction conditions in an undivided cell using cheap carbon graphite electrodes. This metal-free transformation features broad scope with good to excellent yields. Tertiary, secondary as well as primary alkyl radicals could be easily introduced. α-aminoacids L-aspartic and L-glutamic acid-derived redox active esters were good reactive partners furnishing potentially relevant gem-difluoroalkenes. In addition, it has been demonstrated that our electrosynthetic approach toward the synthesis of gem-difluoroalkenes could use an easily prepared Kratitsky salt as alkyl radical precursor via a deaminative/defluorinative carbofunctionalization of trifluoromethylstyrene.
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Affiliation(s)
- Aurélie Claraz
- Institut de Chimie des Substances Naturelles, CNRS, UPR2301, Université Paris-Saclay, 1 Avenue de la Terrasse, 91198, Gif-sur-Yvette cedex, France
| | - Clémence Allain
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, PPSM, 91190, Gif-sur-Yvette, France
| | - Géraldine Masson
- Institut de Chimie des Substances Naturelles, CNRS, UPR2301, Université Paris-Saclay, 1 Avenue de la Terrasse, 91198, Gif-sur-Yvette cedex, France
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14
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Hung VT, Tran CC, Yamamoto Y, Kodama S, Nomoto A, Ogawa A. Clarification on the Reactivity of Diaryl Diselenides toward Hexacyclohexyldilead under Light. Molecules 2021; 26:6265. [PMID: 34684846 PMCID: PMC8541589 DOI: 10.3390/molecules26206265] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/08/2021] [Accepted: 10/12/2021] [Indexed: 02/06/2023] Open
Abstract
In this study, the reactivity of organochalcogen compounds toward a representative alkyl-lead bond compound under light was investigated in detail. Under light irradiation, the Cy-Pb bond of Cy6Pb2 (Cy = cyclohexyl) undergoes homolytic cleavage to generate a cyclohexyl radical (Cy•). This radical can be successfully captured by diphenyl diselenide, which exhibits excellent carbon-radical-capturing ability. In the case of (PhS)2 and (PhTe)2, the yields of the corresponding cyclohexyl sulfides and tellurides were lower than that of (PhSe)2. This probably occurred due to the low carbon-radical-capturing ability of (PhS)2 and the high photosensitivity of the cyclohexyl-tellurium bond.
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Affiliation(s)
| | | | | | - Shintaro Kodama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan; (V.T.H.); (C.C.T.); (Y.Y.); (A.N.)
| | | | - Akiya Ogawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan; (V.T.H.); (C.C.T.); (Y.Y.); (A.N.)
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Sonawane AD, Sonawane RA, Ninomiya M, Koketsu M. Diorganyl diselenides: a powerful tool for the construction of selenium containing scaffolds. Dalton Trans 2021; 50:12764-12790. [PMID: 34581339 DOI: 10.1039/d1dt01982a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Organoselenium compounds find versatile applications in organic synthesis, materials synthesis, and ligand chemistry. Organoselenium heterocycles are widely studied agents with diverse applications in various biological processes. This review highlights the recent progress in the synthesis of selenium heterocycles using diorganyl diselenides with keen attention on green synthetic approaches, scopes, C-H selanylation, the mechanisms of different reactions and insights into the formation of metal complexes. The C-H selanylation using diorganyl diselenides with different catalysts, bases, transition metals, iodine salts, NIS, hypervalent iodine, and other reagents is summarised. Finally, the diverse binding modes of bis(2/4-pyridyl)diselenide with different metal complexes are also summarised.
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Affiliation(s)
- Amol D Sonawane
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Rohini A Sonawane
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Masayuki Ninomiya
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Mamoru Koketsu
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
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Zhu X, Fu H. Photocatalytic cross-couplings via the cleavage of N-O bonds. Chem Commun (Camb) 2021; 57:9656-9671. [PMID: 34472551 DOI: 10.1039/d1cc03598c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
N-(Acyloxy)phthalimide and oxime derivatives containing N-O bonds are important chemicals and synthetic intermediates, and visible light photoredox reductions of the N-O bonds provide carbon- or nitrogen-centered radicals for N-(acyloxy)phthalimide derivatives and iminyl radicals for oxime derivatives. This feature article summarises the recent progress in the visible light photoredox organic reactions, including decarboxylative addition reactions, alkylation, allylation, alkenylation, alkynylation, arylation, heteroarylation and cascade annulation of N-(acyloxy)phthalimide derivatives through the formation of carbon-carbon bonds, decarboxylative borylation, amination, oxygenation, sulfuration, selenylation, fluorination and iodination of N-(acyloxy)phthalimide derivatives through the formation of carbon-heteroatom bonds, and additions to arenes and alkenes, hydrogen atom transfer and the cleavage of α-carbon-carbon bonds via the iminyl radical intermediates for oxime derivatives.
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Affiliation(s)
- Xianjin Zhu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
| | - Hua Fu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
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17
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Tang ZL, Ouyang XH, Song RJ, Li JH. Decarboxylative C(sp3)–N Cross-Coupling of Diacyl Peroxides with Nitrogen Nucleophiles. Org Lett 2021; 23:1000-1004. [DOI: 10.1021/acs.orglett.0c04203] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Zi-Liang Tang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Xuan-Hui Ouyang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Ren-Jie Song
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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18
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Parida SK, Mandal T, Das S, Hota SK, De Sarkar S, Murarka S. Single Electron Transfer-Induced Redox Processes Involving N-(Acyloxy)phthalimides. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04756] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Sushanta Kumar Parida
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar-342037, Rajasthan, India
| | - Tanumoy Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, West Bengal, India
| | - Sanju Das
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, West Bengal, India
| | - Sudhir Kumar Hota
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar-342037, Rajasthan, India
| | - Suman De Sarkar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, West Bengal, India
| | - Sandip Murarka
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar-342037, Rajasthan, India
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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: 68] [Impact Index Per Article: 22.7] [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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20
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Le Du E, Garreau M, Waser J. Small peptide diversification through photoredox-catalyzed oxidative C-terminal modification. Chem Sci 2021; 12:2467-2473. [PMID: 34164012 PMCID: PMC8179259 DOI: 10.1039/d0sc06180h] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 12/22/2020] [Indexed: 12/12/2022] Open
Abstract
A photoredox-catalyzed oxidative decarboxylative coupling of small peptides is reported, giving access to a variety of N,O-acetals. They were used as intermediates for the addition of phenols and indoles, leading to novel peptide scaffolds and bioconjugates. Amino acids with nucleophilic side chains, such as serine, threonine, tyrosine and tryptophan, could also be used as partners to access tri- and tetrapeptide derivatives with non-natural cross-linking.
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Affiliation(s)
- Eliott Le Du
- Laboratory of Catalysis and Organic Synthesis, Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne Lausanne CH-1015 Switzerland
| | - Marion Garreau
- Laboratory of Catalysis and Organic Synthesis, Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne Lausanne CH-1015 Switzerland
| | - Jérôme Waser
- Laboratory of Catalysis and Organic Synthesis, Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne Lausanne CH-1015 Switzerland
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21
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He S, Li H, Chen X, Krylov IB, Terent'ev AO, Qu L, Yu B. Advances of N-Hydroxyphthalimide Esters in Photocatalytic Alkylation Reactions. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202105041] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Cannalire R, Pelliccia S, Sancineto L, Novellino E, Tron GC, Giustiniano M. Visible light photocatalysis in the late-stage functionalization of pharmaceutically relevant compounds. Chem Soc Rev 2020; 50:766-897. [PMID: 33350402 DOI: 10.1039/d0cs00493f] [Citation(s) in RCA: 164] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The late stage functionalization (LSF) of complex biorelevant compounds is a powerful tool to speed up the identification of structure-activity relationships (SARs) and to optimize ADME profiles. To this end, visible-light photocatalysis offers unique opportunities to achieve smooth and clean functionalization of drugs by unlocking site-specific reactivities under generally mild reaction conditions. This review offers a critical assessment of current literature, pointing out the recent developments in the field while emphasizing the expected future progress and potential applications. Along with paragraphs discussing the visible-light photocatalytic synthetic protocols so far available for LSF of drugs and drug candidates, useful and readily accessible synoptic tables of such transformations, divided by functional groups, will be provided, thus enabling a useful, fast, and easy reference to them.
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Affiliation(s)
- Rolando Cannalire
- Department of Pharmacy, University of Naples Federico II, via D. Montesano 49, 80131, Napoli, Italy.
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23
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Wang Y, Deng L, Zhang X, Mou Z, Niu D. A Radical Approach to Making Unnatural Amino Acids: Conversion of C−S Bonds in Cysteine Derivatives into C−C Bonds. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012503] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Yingwei Wang
- Department of Emergency State Key Laboratory of Biotherapy West China Hospital, and School of Chemical Engineering Sichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Li‐Fan Deng
- Department of Emergency State Key Laboratory of Biotherapy West China Hospital, and School of Chemical Engineering Sichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Xia Zhang
- Department of Emergency State Key Laboratory of Biotherapy West China Hospital, and School of Chemical Engineering Sichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Ze‐Dong Mou
- Department of Emergency State Key Laboratory of Biotherapy West China Hospital, and School of Chemical Engineering Sichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Dawen Niu
- Department of Emergency State Key Laboratory of Biotherapy West China Hospital, and School of Chemical Engineering Sichuan University No. 17 Renmin Nan Road Chengdu 610041 China
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24
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Wang Y, Deng LF, Zhang X, Mou ZD, Niu D. A Radical Approach to Making Unnatural Amino Acids: Conversion of C−S Bonds in Cysteine Derivatives into C−C Bonds. Angew Chem Int Ed Engl 2020; 60:2155-2159. [PMID: 33022829 DOI: 10.1002/anie.202012503] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/02/2020] [Indexed: 02/05/2023]
Affiliation(s)
- Yingwei Wang
- Department of Emergency, State Key Laboratory of Biotherapy, West China Hospital, and School of Chemical Engineering, Sichuan University, No. 17 Renmin Nan Road, Chengdu, 610041, China
| | - Li-Fan Deng
- Department of Emergency, State Key Laboratory of Biotherapy, West China Hospital, and School of Chemical Engineering, Sichuan University, No. 17 Renmin Nan Road, Chengdu, 610041, China
| | - Xia Zhang
- Department of Emergency, State Key Laboratory of Biotherapy, West China Hospital, and School of Chemical Engineering, Sichuan University, No. 17 Renmin Nan Road, Chengdu, 610041, China
| | - Ze-Dong Mou
- Department of Emergency, State Key Laboratory of Biotherapy, West China Hospital, and School of Chemical Engineering, Sichuan University, No. 17 Renmin Nan Road, Chengdu, 610041, China
| | - Dawen Niu
- Department of Emergency, State Key Laboratory of Biotherapy, West China Hospital, and School of Chemical Engineering, Sichuan University, No. 17 Renmin Nan Road, Chengdu, 610041, China
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25
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26
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Chen KQ, Wang ZX, Chen XY. Photochemical Decarboxylative C(sp3)–X Coupling Facilitated by Weak Interaction of N-Heterocyclic Carbene. Org Lett 2020; 22:8059-8064. [DOI: 10.1021/acs.orglett.0c03006] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Kun-Quan Chen
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Zhi-Xiang Wang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Xiang-Yu Chen
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
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27
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Synthesis and Biological Evaluation of a Library of AGE‐Related Amino Acid Triazole Crosslinkers. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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28
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Niu P, Li J, Zhang Y, Huo C. One‐Electron Reduction of Redox‐Active Esters to Generate Carbon‐Centered Radicals. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000525] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Pengfei Niu
- College of Chemistry and Chemical Engineering Northwest Normal University 730070 Lanzhou Gansu China
| | - Jun Li
- College of Chemistry and Chemical Engineering Northwest Normal University 730070 Lanzhou Gansu China
| | - Yongxin Zhang
- College of Chemistry and Chemical Engineering Northwest Normal University 730070 Lanzhou Gansu China
| | - Congde Huo
- College of Chemistry and Chemical Engineering Northwest Normal University 730070 Lanzhou Gansu China
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29
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Prabhu Kumar K, Vasantha Kumar B, Kumar PR, Butcher RJ, Vivek H, Suchetan P, Revanasiddappa H, Foro S. Synthesis, characterization, CT‐DNA binding and docking studies of novel selenated ligands and their palladium complexes. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5634] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- K.M. Prabhu Kumar
- Department of Studies and Research in ChemistryTumkur University Tumkur Karnataka 572 103 India
| | - B.C. Vasantha Kumar
- Department of Studies in ChemistryUniversity of Mysore Mysuru Karnataka 570 006 India
| | - P. Raghavendra Kumar
- Department of Studies and Research in ChemistryTumkur University Tumkur Karnataka 572 103 India
| | | | - H.K. Vivek
- Faculty of Natural SciencesAdichunchanagiri University B. G. Ngara Mandya Karnataka India
| | - P.A. Suchetan
- Department of Studies and Research in ChemistryTumkur University Tumkur Karnataka 572 103 India
| | - H.D. Revanasiddappa
- Department of Studies in ChemistryUniversity of Mysore Mysuru Karnataka 570 006 India
| | - Sabine Foro
- Institute of Materials ScienceDarmstadt University of Technology Petersenstr. 23 D‐64287 Darmstadt Germany
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30
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Tran CC, Kawaguchi SI, Sato F, Nomoto A, Ogawa A. Photoinduced Cyclizations of o-Diisocyanoarenes with Organic Diselenides and Thiols that Afford Chalcogenated Quinoxalines. J Org Chem 2020; 85:7258-7266. [DOI: 10.1021/acs.joc.0c00647] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Cong Chi Tran
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Shin-ichi Kawaguchi
- Center for Education and Research in Agricultural Innovation, Faculty of Agriculture, Saga University, 152-1 Shonan-cho, Karatsu, Saga 847-0021, Japan
| | - Fumiya Sato
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akihiro Nomoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akiya Ogawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
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31
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M. Correia JT, A. Fernandes V, Matsuo BT, C. Delgado JA, de Souza WC, Paixão MW. Photoinduced deaminative strategies: Katritzky salts as alkyl radical precursors. Chem Commun (Camb) 2020; 56:503-514. [DOI: 10.1039/c9cc08348k] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Primary amines are one of the most predominant functional groups found in organic molecules. This review covers the most recent developments on photocatalytic deaminative strategies by using Katritzky Salts as alkyl radical reservoirs.
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Affiliation(s)
- José Tiago M. Correia
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem)
- Department of Chemistry
- Federal University of São Carlos – UFSCar
- São Paulo
- Brazil
| | - Vitor A. Fernandes
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem)
- Department of Chemistry
- Federal University of São Carlos – UFSCar
- São Paulo
- Brazil
| | - Bianca T. Matsuo
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem)
- Department of Chemistry
- Federal University of São Carlos – UFSCar
- São Paulo
- Brazil
| | - José A. C. Delgado
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem)
- Department of Chemistry
- Federal University of São Carlos – UFSCar
- São Paulo
- Brazil
| | - Wanderson C. de Souza
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem)
- Department of Chemistry
- Federal University of São Carlos – UFSCar
- São Paulo
- Brazil
| | - Márcio Weber Paixão
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem)
- Department of Chemistry
- Federal University of São Carlos – UFSCar
- São Paulo
- Brazil
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32
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Wang X, Han YF, Ouyang XH, Song RJ, Li JH. The photoredox alkylarylation of styrenes with alkyl N-hydroxyphthalimide esters and arenes involving C-H functionalization. Chem Commun (Camb) 2019; 55:14637-14640. [PMID: 31746852 DOI: 10.1039/c9cc07494e] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The In(OTf)3-promoted three-component photoredox alkylarylation of styrenes with alkyl NHP esters and arenes to access alkylated arene derivatives through C-C bond cleavage and C-H functionalization is reported. By utilizing visible-light photoredox catalysis, alkyl N-hydroxyphthalimide esters serving as alkyl carbon-centered radicals and a wide range of arenes (e.g., indoles, pyrrole, and electron-rich arenes) as nucleophiles were used to enable the introduction of various alkyl groups and aryl groups across the C[double bond, length as m-dash]C bonds with excellent selectivity and functional group tolerance.
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Affiliation(s)
- Xia Wang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China.
| | - Ya-Fei Han
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China.
| | - Xuan-Hui Ouyang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China.
| | - Ren-Jie Song
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China.
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China. and State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China and State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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33
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Guo JY, Zhang ZY, Guan T, Mao LW, Ban Q, Zhao K, Loh TP. Photoredox-catalyzed stereoselective alkylation of enamides with N-hydroxyphthalimide esters via decarboxylative cross-coupling reactions. Chem Sci 2019; 10:8792-8798. [PMID: 31803451 PMCID: PMC6849636 DOI: 10.1039/c9sc03070k] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 08/04/2019] [Indexed: 01/01/2023] Open
Abstract
Stereoselective β-C(sp2)-H alkylation of enamides with redox-active N-hydroxyphthalimide esters via a photoredox-catalyzed decarboxylative cross-coupling reaction is demonstrated. This methodology features operational simplicity, broad substrate scopes, and excellent stereoselectivities and functional group tolerance, affording a diverse array of geometrically defined and synthetically valuable enamides bearing primary, secondary or tertiary alkyl groups in satisfactory yields.
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Affiliation(s)
- Jing-Yu Guo
- Institute of Advanced Synthesis , School of Chemistry and Molecular Engineering , Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China .
| | - Ze-Yu Zhang
- Institute of Advanced Synthesis , School of Chemistry and Molecular Engineering , Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China .
| | - Ting Guan
- Institute of Advanced Synthesis , School of Chemistry and Molecular Engineering , Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China .
| | - Lei-Wen Mao
- Institute of Advanced Synthesis , School of Chemistry and Molecular Engineering , Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China .
| | - Qian Ban
- Institute of Advanced Synthesis , School of Chemistry and Molecular Engineering , Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China .
| | - Kai Zhao
- Institute of Advanced Synthesis , School of Chemistry and Molecular Engineering , Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China .
| | - Teck-Peng Loh
- Institute of Advanced Synthesis , School of Chemistry and Molecular Engineering , Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China .
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore .
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34
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One-pot preparation of (RSe)2CF2 and (RS)2CF2 compounds via insertion of TMSCF3-derived difluorocarbene into diselenides and disulfides. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.04.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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35
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Brandhofer T, Mancheño OG. Versatile Ru‐Photoredox‐Catalyzed Functionalization of Dehydro‐Amino Acids and Peptides. ChemCatChem 2019. [DOI: 10.1002/cctc.201900446] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Tobias Brandhofer
- Organic Chemistry InstituteMünster University Corrensstrasse 40 Münster 48149 Germany
- Institute for Organic ChemistryRegensburg University Universitätsstrasse 31 Regensburg 93053 Germany
| | - Olga García Mancheño
- Organic Chemistry InstituteMünster University Corrensstrasse 40 Münster 48149 Germany
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36
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Bouchet LM, Peñéñory AB, Pierini AB, Argüello JE. Combined Experimental and Theoretical Studies on the Radical Nucleophile Addition Reaction for Sulfide- and Selenide-Centered Anions. J Phys Chem A 2019; 123:5035-5042. [DOI: 10.1021/acs.jpca.9b02485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lydia M. Bouchet
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Alicia B. Peñéñory
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Adriana B. Pierini
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Juan E. Argüello
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
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37
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Mei M, Anand D, Zhou L. Divergent Conversion of N-Acyl-isoxazol-5(2 H)-ones to Oxazoles and 1,3-Oxazin-6-ones Using Photoredox Catalysis. Org Lett 2019; 21:3548-3553. [PMID: 31059271 DOI: 10.1021/acs.orglett.9b00903] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The fragmentation of N-acyl-isoxazol-5-ones using visible light photoredox catalysis has been disclosed. The catalyst-controlled divergent mechanisms, namely the oxidative and reductive quenching catalytic cycle, are utilized. Various oxazoles and 1,3-oxazin-6-ones are selectively obtained from the same isoxazol-5-one skeleton under mild conditions.
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Affiliation(s)
- Mingjing Mei
- School of Chemistry , Sun Yat-Sen University , 135 Xingang West Road , Guangzhou , 510275 , China
| | - Devireddy Anand
- School of Chemistry , Sun Yat-Sen University , 135 Xingang West Road , Guangzhou , 510275 , China
| | - Lei Zhou
- School of Chemistry , Sun Yat-Sen University , 135 Xingang West Road , Guangzhou , 510275 , China
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38
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Montesinos‐Magraner M, Costantini M, Ramírez‐Contreras R, Muratore ME, Johansson MJ, Mendoza A. General Cyclopropane Assembly by Enantioselective Transfer of a Redox‐Active Carbene to Aliphatic Olefins. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814123] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
| | - Matteo Costantini
- Dept. of Organic ChemistryStockholm University, Arrhenius Laboratory 10691 Stockholm Sweden
| | | | - Michael E. Muratore
- Cardiovascular, Renal and Metabolism IMED Biotech UnitAstraZeneca Gothenburg 43183 Mölndal Sweden
| | - Magnus J. Johansson
- Cardiovascular, Renal and Metabolism IMED Biotech UnitAstraZeneca Gothenburg 43183 Mölndal Sweden
| | - Abraham Mendoza
- Dept. of Organic ChemistryStockholm University, Arrhenius Laboratory 10691 Stockholm Sweden
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39
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Dai GL, Lai SZ, Luo Z, Tang ZY. Selective Syntheses of Z-Alkenes via Photocatalyzed Decarboxylative Coupling of N-Hydroxyphthalimide Esters with Terminal Arylalkynes. Org Lett 2019; 21:2269-2272. [DOI: 10.1021/acs.orglett.9b00558] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Guo-Li Dai
- Department of Pharmaceutical Engineering, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Shu-Zhen Lai
- Department of Pharmaceutical Engineering, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Zhuangzhu Luo
- School of Chemical Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - Zhen-Yu Tang
- School of Chemical Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
- Department of Pharmaceutical Engineering, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
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40
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Montesinos-Magraner M, Costantini M, Ramírez-Contreras R, Muratore ME, Johansson MJ, Mendoza A. General Cyclopropane Assembly by Enantioselective Transfer of a Redox-Active Carbene to Aliphatic Olefins. Angew Chem Int Ed Engl 2019; 58:5930-5935. [PMID: 30675970 DOI: 10.1002/anie.201814123] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Indexed: 12/30/2022]
Abstract
Asymmetric cyclopropane synthesis currently requires bespoke strategies, methods, substrates, and reagents, even when targeting similar compounds. This approach slows down discovery and limits available chemical space. Introduced herein is a practical and versatile diazocompound and its performance in the first unified asymmetric synthesis of functionalized cyclopropanes. The redox-active leaving group in this reagent enhances the reactivity and selectivity of geminal carbene transfer. This effect allowed the asymmetric cyclopropanation of various olefins, including unfunctionalized aliphatic alkenes, that enables the three-step total synthesis of (-)-dictyopterene A. This unified synthetic approach delivers high enantioselectivities that are independent of the stereoelectronic properties of the functional groups transferred. Our results demonstrate that orthogonally differentiated diazocompounds are viable and advantageous equivalents of single-carbon chirons.
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Affiliation(s)
- Marc Montesinos-Magraner
- Dept. of Organic Chemistry, Stockholm University, Arrhenius Laboratory, 10691, Stockholm, Sweden
| | - Matteo Costantini
- Dept. of Organic Chemistry, Stockholm University, Arrhenius Laboratory, 10691, Stockholm, Sweden
| | | | - Michael E Muratore
- Cardiovascular, Renal and Metabolism IMED Biotech Unit, AstraZeneca Gothenburg, 43183, Mölndal, Sweden
| | - Magnus J Johansson
- Cardiovascular, Renal and Metabolism IMED Biotech Unit, AstraZeneca Gothenburg, 43183, Mölndal, Sweden
| | - Abraham Mendoza
- Dept. of Organic Chemistry, Stockholm University, Arrhenius Laboratory, 10691, Stockholm, Sweden
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Rahman M, Mukherjee A, Kovalev IS, Kopchuk DS, Zyryanov GV, Tsurkan MV, Majee A, Ranu BC, Charushin VN, Chupakhin ON, Santra S. Recent Advances on Diverse Decarboxylative Reactions of Amino Acids. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801331] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Matiur Rahman
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
| | - Anindita Mukherjee
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
| | - Igor S. Kovalev
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
| | - Dmitry S. Kopchuk
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
- I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str. Yekaterinburg 620219 Russian Federation
| | - Grigory V. Zyryanov
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
- I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str. Yekaterinburg 620219 Russian Federation
| | - Mikhail V. Tsurkan
- Max Bergmann Center of BiomaterialsLeibniz Institute of Polymer Research Hohe Strasse 6 01069 Dresden Germany
| | - Adinath Majee
- Department of ChemistryVisva-Bharati (A Central University) Santiniketan 731235 India
| | - Brindaban C. Ranu
- Department of Organic ChemistryIndian Association for the Cultivation of Science, Jadavpur Kolkata 700032 India
| | - Valery N. Charushin
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
- I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str. Yekaterinburg 620219 Russian Federation
| | - Oleg N. Chupakhin
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
- I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str. Yekaterinburg 620219 Russian Federation
| | - Sougata Santra
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
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42
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Bottecchia C, Noël T. Photocatalytic Modification of Amino Acids, Peptides, and Proteins. Chemistry 2018; 25:26-42. [PMID: 30063101 PMCID: PMC6348373 DOI: 10.1002/chem.201803074] [Citation(s) in RCA: 122] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/27/2018] [Indexed: 02/06/2023]
Abstract
In the last decade, visible‐light photoredox catalysis has emerged as a powerful strategy to enable novel transformations in organic synthesis. Owing to mild reaction conditions (i.e., room temperature, use of visible light) and high functional‐group tolerance, photoredox catalysis could represent an ideal strategy for chemoselective biomolecule modification. Indeed, a recent trend in photoredox catalysis is its application to the development of novel methodologies for amino acid modification. Herein, an up‐to‐date overview of photocatalytic methodologies for the modification of single amino acids, peptides, and proteins is provided. The advantages offered by photoredox catalysis and its suitability in the development of novel biocompatible methodologies are described. In addition, a brief consideration of the current limitations of photocatalytic approaches, as well as future challenges to be addressed, are discussed.
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Affiliation(s)
- Cecilia Bottecchia
- Department of Chemical Engineering and Chemistry, Micro Flow Chemistry and Process Technology, Eindhoven University of Technology, De Rondom 70 (STO 1.37), 5612 AP, Eindhoven, The Netherlands
| | - Timothy Noël
- Department of Chemical Engineering and Chemistry, Micro Flow Chemistry and Process Technology, Eindhoven University of Technology, De Rondom 70 (STO 1.37), 5612 AP, Eindhoven, The Netherlands
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43
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Malins LR. Peptide modification and cyclization via transition-metal catalysis. Curr Opin Chem Biol 2018; 46:25-32. [DOI: 10.1016/j.cbpa.2018.03.019] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 03/20/2018] [Accepted: 03/29/2018] [Indexed: 01/08/2023]
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44
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Wu J, He L, Noble A, Aggarwal VK. Photoinduced Deaminative Borylation of Alkylamines. J Am Chem Soc 2018; 140:10700-10704. [PMID: 30091912 DOI: 10.1021/jacs.8b07103] [Citation(s) in RCA: 261] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
An operationally simple deaminative borylation reaction of primary alkylamines has been developed. The formation of electron-donor-acceptor complexes between N-alkylpyridinium salts and bis(catecholato)diboron enables photoinduced single-electron transfer and fragmentation to carbon-centered radicals, which are subsequently borylated. The mild conditions allow a diverse range of readily available alkylamines to be efficiently converted into synthetically valuable alkylboronic esters under catalyst-free conditions.
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Affiliation(s)
- Jingjing Wu
- School of Chemistry , University of Bristol , Cantock's Close , Bristol BS8 1TS , United Kingdom
| | - Lin He
- School of Chemistry , University of Bristol , Cantock's Close , Bristol BS8 1TS , United Kingdom
| | - Adam Noble
- School of Chemistry , University of Bristol , Cantock's Close , Bristol BS8 1TS , United Kingdom
| | - Varinder K Aggarwal
- School of Chemistry , University of Bristol , Cantock's Close , Bristol BS8 1TS , United Kingdom
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45
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Zheng C, Wang Y, Xu Y, Chen Z, Chen G, Liang SH. Ru-Photoredox-Catalyzed Decarboxylative Oxygenation of Aliphatic Carboxylic Acids through N-(acyloxy)phthalimide. Org Lett 2018; 20:4824-4827. [DOI: 10.1021/acs.orglett.8b01885] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chao Zheng
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, Collaborative Innovation Center of Tropical Biological Resources, Hainan Normal University, Hainan Haikou 571158, China
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Yuting Wang
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, Collaborative Innovation Center of Tropical Biological Resources, Hainan Normal University, Hainan Haikou 571158, China
| | - Yangrui Xu
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, Collaborative Innovation Center of Tropical Biological Resources, Hainan Normal University, Hainan Haikou 571158, China
| | - Zhen Chen
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Guangying Chen
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, Collaborative Innovation Center of Tropical Biological Resources, Hainan Normal University, Hainan Haikou 571158, China
| | - Steven H. Liang
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
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46
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Jiang M, Yang H, Lefebvre Q, Su J, Fu H. Olefination of Alkyl Halides with Aldehydes by Merging Visible-Light Photoredox Catalysis and Organophosphorus Chemistry. iScience 2018; 6:102-113. [PMID: 30240604 PMCID: PMC6137709 DOI: 10.1016/j.isci.2018.07.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 07/04/2018] [Accepted: 07/11/2018] [Indexed: 12/27/2022] Open
Abstract
Carbon-carbon double bond (C=C) formation is a crucial transformation in organic chemistry. Visible-light photoredox catalysis provides economical and sustainable opportunities for the development of novel and peculiar organic reactions. Here we report a method for the olefination of alkyl halides with aldehydes by visible-light photoredox catalysis using triphenylphosphine as a reductive quencher (103 examples). This transformation accommodates a variety of aldehydes including paraformaldehyde; aqueous formaldehyde; 2,2,2-trifluoroacetaldehyde monohydrate; 2,2,2-trifluoro-1-methoxyethanol; and other common aldehydes. The present method exhibits several advantages, including operational simplicity, mild reaction conditions, wide functional group tolerance, and amenability to gram-scale synthesis. We anticipate that it will be widely used in the synthesis of organic molecules, natural products, biological molecules, and polymers. General olefination of benzyl halides and bromoacetamides with aldehydes Operational simplicity and mild conditions under visible-light photoredox catalysis Wide substrate scope and high efficiency Amenability to gram-scale synthesis
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Affiliation(s)
- Min Jiang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Haijun Yang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Quentin Lefebvre
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK
| | - Jihu Su
- CAS Key Laboratory of Microscale Magnetic Resonance, Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
| | - Hua Fu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.
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47
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Sha W, Deng L, Ni S, Mei H, Han J, Pan Y. Merging Photoredox and Copper Catalysis: Enantioselective Radical Cyanoalkylation of Styrenes. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01863] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Wanxing Sha
- School of Chemistry and Chemical Engineering, State Key laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210093, China
| | - Lingling Deng
- School of Chemistry and Chemical Engineering, State Key laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210093, China
| | - Shengyang Ni
- School of Chemistry and Chemical Engineering, State Key laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210093, China
| | - Haibo Mei
- School of Chemistry and Chemical Engineering, State Key laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210093, China
| | - Jianlin Han
- School of Chemistry and Chemical Engineering, State Key laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210093, China
| | - Yi Pan
- School of Chemistry and Chemical Engineering, State Key laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210093, China
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48
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Sha W, Ni S, Han J, Pan Y. Access to Alkyl-Substituted Lactone via Photoredox-Catalyzed Alkylation/Lactonization of Unsaturated Carboxylic Acids. Org Lett 2018; 19:5900-5903. [PMID: 29039204 DOI: 10.1021/acs.orglett.7b02899] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient photoredox-catalyzed alkylation/lactonization reaction of unsaturated carboxylic acids by using alkyl N-hydroxyphthalimide esters as alkylation reagents has been developed. Varieties of redox-active esters derived from aliphatic carboxylic acids were proved viable in this method, affording alkyl substituted lactones in moderate to good yields. This redox-neutral procedure features mild conditions and operational simplicity, which provides a new strategy for the synthesis of alkyl substituted lactones.
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Affiliation(s)
- Wanxing Sha
- School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University , Nanjing 210093, China
| | - Shengyang Ni
- School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University , Nanjing 210093, China
| | - Jianlin Han
- School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University , Nanjing 210093, China
| | - Yi Pan
- School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University , Nanjing 210093, China
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49
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Li J, Lefebvre Q, Yang H, Zhao Y, Fu H. Visible light photocatalytic decarboxylative monofluoroalkenylation of α-amino acids with gem-difluoroalkenes. Chem Commun (Camb) 2018; 53:10299-10302. [PMID: 28869645 DOI: 10.1039/c7cc05758j] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
α-Amino acids are among the most common biologically active molecules in nature, and their functionalization has attracted much attention. In this communication, a novel, efficient and general visible-light photocatalytic decarboxylative monofluoroalkenylation of N-protected α-amino acids with gem-difluoroalkenes is reported, affording the corresponding α-amino monofluoroalkenes which might find applications in medical chemistry and materials science. The reaction proceeded at room temperature with high efficiency and tolerance of various functional groups.
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Affiliation(s)
- Jingjing Li
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
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50
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Liu Q, Lv X, Li N, Pan X, Zhu J, Zhu X. Copolymerization of Phenylselenide-Substituted Maleimide with Styrene and Its Oxidative Elimination Behavior. Polymers (Basel) 2018; 10:E321. [PMID: 30966356 PMCID: PMC6415178 DOI: 10.3390/polym10030321] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 03/09/2018] [Accepted: 03/10/2018] [Indexed: 02/02/2023] Open
Abstract
Selenium-containing monomer monophenyl maleimide selenide (MSM) was synthesized and copolymerized with styrene (St) using reversible addition-fragmentation chain transfer (RAFT) polymerization. Copolymers with controlled molecular weight and narrow molecular weight distribution were obtained. The structure of the copolymer was characterized by nuclear magnetic resonance, matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrum, Fourier transform infrared spectroscopy (FT-IR) and Ultraviolet⁻visible spectroscopy (UV-vis) spectroscopy. The copolymer can be oxidized by H₂O₂ to form carbon-carbon double bonds within the main chain due to the unique sensitivity of selenide groups in the presence of oxidants. Such structure changing resulted in an interesting concentration-related photoluminescence emission enhancement.
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Affiliation(s)
- Qian Liu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Xinghua Lv
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Na Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Xiangqiang Pan
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Jian Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Xiulin Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
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