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Bhattacharyya A, Vadde V, Sarmah MP, Muthukumar M, Mathur A, Tester R. Organic Photoredox-Catalyzed S-Trifluoromethylation of Aromatic and Heteroaromatic Thiols. Org Lett 2024; 26:5370-5374. [PMID: 38888594 DOI: 10.1021/acs.orglett.4c01818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
A visible-light-mediated trifluoromethylation protocol was developed for the conversion of (hetero)aromatic thiols to their respective S-trifluoromethylated derivatives employing trifluoromethanesulfonyl chloride (CF3SO2Cl) as a cost-effective source of trifluoromethyl radical (CF3·) and a highly reducing organophotocatalyst, 3DPA2FBN. The developed methodology is operationally simple, providing access to a diverse range of products in up to 92% yield. A plausible mechanism has been postulated based on preliminary mechanistic studies, including irradiation on/off, UV-vis studies, and radical trapping experiments.
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Affiliation(s)
- Aditya Bhattacharyya
- Department of Discovery Synthesis, Biocon Bristol Myers Squibb R&D Centre, Syngene International Ltd., Biocon Park, Plot No. 2 & 3, Jigani Link Road, Bommasandra IV, Bangalore, 560 099, India
| | - Veeresh Vadde
- Department of Discovery Synthesis, Biocon Bristol Myers Squibb R&D Centre, Syngene International Ltd., Biocon Park, Plot No. 2 & 3, Jigani Link Road, Bommasandra IV, Bangalore, 560 099, India
| | - Manash Pratim Sarmah
- Department of Discovery Synthesis, Biocon Bristol Myers Squibb R&D Centre, Syngene International Ltd., Biocon Park, Plot No. 2 & 3, Jigani Link Road, Bommasandra IV, Bangalore, 560 099, India
| | - M Muthukumar
- Department of Discovery Synthesis, Biocon Bristol Myers Squibb R&D Centre, Syngene International Ltd., Biocon Park, Plot No. 2 & 3, Jigani Link Road, Bommasandra IV, Bangalore, 560 099, India
| | - Arvind Mathur
- Small Molecule Drug Discovery, Biocon Bristol Myers Squibb Research and Early Development, P.O. Box 5400, Princeton, New Jersey 08543-4000, United States
| | - Richland Tester
- Small Molecule Drug Discovery, Biocon Bristol Myers Squibb Research and Early Development, P.O. Box 5400, Princeton, New Jersey 08543-4000, United States
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2
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Kim S, Zhou X, Li Y, Yang Q, Liu X, Graf R, Blom PWM, Ferguson CTJ, Landfester K. Size-Dependent Photocatalytic Reactivity of Conjugated Microporous Polymer Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2404054. [PMID: 38925104 DOI: 10.1002/adma.202404054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 06/10/2024] [Indexed: 06/28/2024]
Abstract
Particle size is a critical factor for improving photocatalytic reactivity of conjugated microporous polymers (CMPs) as mass transfer in the porous materials is often the rate-limiting step. However, due to the synthetic challenge of controlling the size of CMPs, the impact of particle size is yet to be investigated. To address this problem, a simple and versatile dispersion polymerization route that can synthesize dispersible CMP nanoparticles with controlled size from 15 to 180 nm is proposed. Leveraging the precise control of the size, it is demonstrated that smaller CMP nanoparticles have dramatically higher photocatalytic reactivity in various organic transformations, achieving more than 1000% enhancement in the reaction rates by decreasing the size from 180 to 15 nm. The size-dependent photocatalytic reactivity is further scrutinized using a kinetic model and transient absorption spectroscopy, revealing that only the initial 5 nm-thick surface layer of CMP nanoparticles is involved in the photocatalytic reactions because of internal mass transfer limitations. This finding substantiates the potential of small CMP nanoparticles to efficiently use photo-generated excitons and improve energy-efficiency of numerous photocatalytic reactions.
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Affiliation(s)
- Seunghyeon Kim
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Xin Zhou
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Yungui Li
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Qiqi Yang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Xiaomin Liu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Robert Graf
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Paul W M Blom
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Calum T J Ferguson
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Katharina Landfester
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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3
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Zhao X, Hou YL, Qian BC, Shen GB. Thermodynamic H-Abstraction Abilities of Nitrogen Centered Radical Cations as Potential Hydrogen Atom Transfer Catalysts in Y-H Bond Functionalization. ACS OMEGA 2024; 9:26708-26718. [PMID: 38911737 PMCID: PMC11191127 DOI: 10.1021/acsomega.4c04209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/25/2024]
Abstract
Y-H bond functionalization has always been the focus of research interest in the area of organic synthesis. Direct hydrogen atom transfer (HAT) from the Y-H bond is one of the most efficient and practical methods to activate the Y-H bond. Recently, nitrogen centered radical cations were broadly utilized as H-abstraction catalysts to activate Y-H bonds via the HAT process. As a type of HAT catalyst, the H-affinity of nitrogen centered radical cations is a significant thermodynamic parameter to quantitatively evaluate the thermodynamic H-abstraction potentials of nitrogen centered radical cations. In this work, the pK a values of 120 protonated N-containing compounds in acetonitrile (AN) are predicted, and the H-affinities of 120 nitrogen centered radical cations in AN are derived from the reduction potentials of nitrogen centered radical cations and pK a of protonated N-containing compounds using Hess' law. This work focuses on the H-abstraction abilities of 120 nitrogen centered radical cations in AN to enrich the molecule library of novel HAT catalysts or H-abstractors and provides valuable thermodynamic guidelines for the application of nitrogen centered radical cations in Y-H bond functionalization.
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Affiliation(s)
- Xia Zhao
- College of Medical Engineering, Jining Medical University, Jining, Shandong 272000, P. R. China
| | - Yi-Lin Hou
- College of Medical Engineering, Jining Medical University, Jining, Shandong 272000, P. R. China
| | - Bao-Chen Qian
- College of Medical Engineering, Jining Medical University, Jining, Shandong 272000, P. R. China
| | - Guang-Bin Shen
- College of Medical Engineering, Jining Medical University, Jining, Shandong 272000, P. R. China
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4
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Yang Z, Liu J, Xie LG. Stabilized Carbon-Centered Radical-Mediated Carbosulfenylation of Styrenes: Modular Synthesis of Sulfur-Containing Glycine and Peptide Derivatives. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2402428. [PMID: 38852190 DOI: 10.1002/advs.202402428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/27/2024] [Indexed: 06/11/2024]
Abstract
Sulfur-containing amino acids and peptides play critical roles in organisms. Thiol-ene reactions between the thiol residues of L-cysteine and the alkenyl fragments in the designed coupling partners serve as primary tools for constructing C─S bonds in the synthesis of unnatural sulfur-containing amino acid derivatives. These reactions are favored due to the preference for hydrogen transfer from thiol to β-sulfanyl carbon radical intermediates. In this paper, the study proposes utilizing carbon-centered radicals stabilized by the capto-dative effect, generated under photocatalytic conditions from N-aryl glycine derivatives. The aim is to compete with the thiol hydrogen, enabling radical C─C bond formation with β-sulfanyl carbon radicals. This protocol is robust in the presence of air and water, offers significant potential as a modular and efficient platform for synthesizing sulfur-containing amino acids and modifying peptides, particularly with abundant disulfides and styrenes.
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Affiliation(s)
- Zihui Yang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Jia Liu
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Lan-Gui Xie
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
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5
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Khan S, Chatterjee A, Nair AM, Volla CMR. A highly diastereoselective one-pot Ugi/radical spirocyclization/aza-Michael addition sequence. Org Biomol Chem 2024; 22:3887-3892. [PMID: 38683654 DOI: 10.1039/d4ob00610k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
We hereby report a highly diastereoselective synthesis of chalcogenated azaspirotricycles via a one-pot Ugi/spirocyclization/aza-Michael addition sequence. The reaction proceeds via a key visible light mediated spirocyclization step under mild, metal-free and energy efficient conditions. A variety of complex sulfenylated and selenylated azaspirotricycles were obtained in good yields. The reaction was found to be scalable and preliminary mechanistic studies indicated that the spirocyclization step proceeds via radical intermediates.
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Affiliation(s)
- Salman Khan
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Abhradeep Chatterjee
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Akshay M Nair
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Chandra M R Volla
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
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Kaplaneris N, Akdeniz M, Fillols M, Arrighi F, Raymenants F, Sanil G, Gryko DT, Noël T. Photocatalytic Functionalization of Dehydroalanine-Derived Peptides in Batch and Flow. Angew Chem Int Ed Engl 2024; 63:e202403271. [PMID: 38497510 DOI: 10.1002/anie.202403271] [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: 02/16/2024] [Revised: 03/17/2024] [Accepted: 03/18/2024] [Indexed: 03/19/2024]
Abstract
Unnatural amino acids, and their synthesis by the late-stage functionalization (LSF) of peptides, play a crucial role in areas such as drug design and discovery. Historically, the LSF of biomolecules has predominantly utilized traditional synthetic methodologies that exploit nucleophilic residues, such as cysteine, lysine or tyrosine. Herein, we present a photocatalytic hydroarylation process targeting the electrophilic residue dehydroalanine (Dha). This residue possesses an α,β-unsaturated moiety and can be combined with various arylthianthrenium salts, both in batch and flow reactors. Notably, the flow setup proved instrumental for efficient scale-up, paving the way for the synthesis of unnatural amino acids and peptides in substantial quantities. Our photocatalytic approach, being inherently mild, permits the diversification of peptides even when they contain sensitive functional groups. The readily available arylthianthrenium salts facilitate the seamless integration of Dha-containing peptides with a wide range of arenes, drug blueprints, and natural products, culminating in the creation of unconventional phenylalanine derivatives. The synergistic effect of the high functional group tolerance and the modular characteristic of the aryl electrophile enables efficient peptide conjugation and ligation in both batch and flow conditions.
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Affiliation(s)
- Nikolaos Kaplaneris
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Merve Akdeniz
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Méritxell Fillols
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Francesca Arrighi
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185, Rome, Italy
| | - Fabian Raymenants
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Gana Sanil
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Daniel T Gryko
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Timothy Noël
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
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7
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Duan Y, Guo Z, Zheng T, Lu Y, Xu J, Liu J, Yang F. Iodine-Promoted Reductive Sulfenylation Using Ketones as Hydride Donors. J Org Chem 2024; 89:5851-5856. [PMID: 38587835 DOI: 10.1021/acs.joc.3c02904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Herein, an iodine-promoted reductive sulfenylation reaction of ketones with disulfides has been developed. This method provides an approach for synthesizing unsymmetrical alkyl-alkyl and alkyl-aryl sulfides in a single step. Investigation of the reaction mechanism revealed that ketones play a dual role in this process. They react with disulfides to produce vinyl thioethers and act as effective organic hydride donors, reducing the number of vinyl thioethers that are formed in situ. This study expands the range of applications of ketones in chemical synthesis.
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Affiliation(s)
- Yiping Duan
- Department of Organic Chemistry, School of Science, China Pharmaceutical University, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Zhichao Guo
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Tiandong Zheng
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Yang Lu
- Department of Organic Chemistry, School of Science, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Jinyi Xu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Jie Liu
- Department of Organic Chemistry, School of Science, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Fulai Yang
- Department of Organic Chemistry, School of Science, China Pharmaceutical University, Nanjing 210009, P. R. China
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8
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Dagar M, Brennessel WW, Matson EM. Elucidation of Design Criteria for V-based Redox Mediators: Structure-Function Relationships that Dictate Rates of Heterogeneous Electron Transfer. Chemistry 2024:e202400764. [PMID: 38574277 DOI: 10.1002/chem.202400764] [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: 02/24/2024] [Revised: 03/30/2024] [Accepted: 04/04/2024] [Indexed: 04/06/2024]
Abstract
Redox mediators are attractive solutions for addressing the stringent kinetic stipulations required for efficient energy conversion processes. In this work, we compare the electrochemical properties of four vanadium complexes, namely [V(acac)3], [V6O7(OMe)12], [nBu4N]3[V6O13(TRISNO2)2], and [nBu4N]5[V18O46(NO3)] in non-aqueous solutions on glassy carbon electrodes. The goal of this study is to investigate the electron transfer kinetics and diffusivity of these compounds under identical experimental conditions to develop an understanding of structure-function relationships that dictate the physicochemical properties of vanadium oxide assemblies. Complex selection was dictated by two criteria - (1) nuclearity of the transition metal complexes (2) distribution of electron density in the native electronic configuration. Our analyses establish that electronic communication between metal centers significantly impacts charge transfer kinetics of these vanadium-based compounds.
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Affiliation(s)
- Mamta Dagar
- University of Rochester, Department of Chemistry, Rochester, NY 14627, USA
| | | | - Ellen M Matson
- University of Rochester, Department of Chemistry, Rochester, NY 14627, USA
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9
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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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Bandyopadhyay A, Biswas P, Kundu SK, Sarkar R. Electrochemistry-enabled residue-specific modification of peptides and proteins. Org Biomol Chem 2024; 22:1085-1101. [PMID: 38231504 DOI: 10.1039/d3ob01857a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Selective chemical reactions at precise amino acid residues of peptides and proteins have become an exploding field of research in the last few decades. With the emerging utility of bioconjugated peptides and proteins as drug leads and therapeutic agents, the design of smart protocols to modulate and conjugate biomolecules has become necessary. During this modification, the most important concern of biochemists is to keep intact the structural integrity of the biomolecules. Hence, a soft and selective biocompatible reaction environment is necessary. Electrochemistry, a mild and elegant tunable reaction platform to synthesize complex molecules while avoiding harsh and toxic chemicals, can provide such a reaction condition. However, this strategy is yet to be fully exploited in the field of selective modification of polypeptides. With this possibility, the use of electrochemistry as a reaction toolbox in peptide and protein chemistry is flourishing day by day. Unfortunately, there is no suitable review article summarizing the residue-specific modification of biomolecules. The present review provides a comprehensive summary of the latest manifested electrochemical approaches for the modulation of five redox-active amino acid residues, namely cysteine, tyrosine, tryptophan, histidine and methionine, found in peptides and proteins. The article also highlights the incredible potential of electrochemistry for the regio- as well as chemoselective bioconjugation strategy of biomolecules.
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Affiliation(s)
- Ayan Bandyopadhyay
- Department of Chemistry, Chapra Government College, Nadia-741123, West Bengal, India
| | - Pranay Biswas
- Department of Physics, Dinabandhu Mahavidyalaya, 24 Parganas (N), 743235, West Bengal, India
| | - Sudipta K Kundu
- Department of Chemistry, Muragachha Government College, Nadia-741154, West Bengal, India.
| | - Rajib Sarkar
- Department of Chemistry, Muragachha Government College, Nadia-741154, West Bengal, India.
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11
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Yi L, Zhu C, Chen X, Yue H, Ji T, Ma Y, Cao Y, Kancherla R, Rueping M. O-H bond activation of β,γ-unsaturated oximes via hydrogen atom transfer (HAT) and photoredox dual catalysis. Chem Sci 2023; 14:14271-14279. [PMID: 38098711 PMCID: PMC10718179 DOI: 10.1039/d3sc04410f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 11/10/2023] [Indexed: 12/17/2023] Open
Abstract
Hydrogen atom transfer (HAT) and photoredox dual catalysis provides a unique opportunity in organic synthesis, enabling the direct activation of C/Si/S-H bonds. However, the activation of O-H bonds of β,γ-unsaturated oximes poses a challenge due to their relatively high redox potential, which exceeds the oxidizing capacity of most currently developed photocatalysts. We here demonstrate that the combination of HAT and photoredox catalysis allows the activation of O-H bond of β,γ-unsaturated oximes. The strategy effectively addresses the oxime's high redox potential and offers a universal pathway for iminoxyl radical formation. Leveraging the versatility of this approach, a diverse array of valuable heterocycles have been synthesized with the use of different radical acceptors. Mechanistic studies confirm a HAT process for the O-H bond activation.
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Affiliation(s)
- Liang Yi
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
- Institute of Organic Chemistry, RWTH Aachen University Landoltweg 1 D-52074 Aachen Germany
| | - Chen Zhu
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Xiangyu Chen
- Institute of Organic Chemistry, RWTH Aachen University Landoltweg 1 D-52074 Aachen Germany
| | - Huifeng Yue
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Tengfei Ji
- Institute of Organic Chemistry, RWTH Aachen University Landoltweg 1 D-52074 Aachen Germany
| | - Yiqiao Ma
- Institute of Organic Chemistry, RWTH Aachen University Landoltweg 1 D-52074 Aachen Germany
| | - Yuanyuan Cao
- Institute of Organic Chemistry, RWTH Aachen University Landoltweg 1 D-52074 Aachen Germany
| | - Rajesh Kancherla
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Magnus Rueping
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
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12
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Bleton O, Beaucage N, Guerrero-Morales J, Collins SK. Photocatalytic Thiol-Yne Reactions of Alkynyl Sulfides. J Org Chem 2023. [PMID: 38019972 DOI: 10.1021/acs.joc.3c02104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Thiol-yne reactions typically employ thiols and terminal alkynes as the reaction partners. The thiol-yne reaction of alkynyl sulfides and thiols is possible when employing a nonmetal photocatalyst eosin Y, green LED irradiation, under an air atmosphere. Alkynyl sulfides were transformed in good overall yields (58-90% total yields, 11 examples) favoring the cis isomer. No addition to the α-position of the alkynyl sulfide is observed, and regioselectivity is believed to be controlled through the stabilization of radical intermediates by the adjacent sulfur atom. Furthermore, control experiments with "all-carbon" internal alkynes demonstrate that alkynyl sulfides possess improved reactivity and regioselectivity profiles during thiol-yne processes.
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Affiliation(s)
- Oliver Bleton
- Département de Chimie, Centre for Green Chemistry and Catalysis, Université de Montréal, Complexe des Sciences, 1375 Avenue Thérèse-Lavoie-Roux, Montréal H2 V 0B3, Québec, Canada
| | - Noémie Beaucage
- Département de Chimie, Centre for Green Chemistry and Catalysis, Université de Montréal, Complexe des Sciences, 1375 Avenue Thérèse-Lavoie-Roux, Montréal H2 V 0B3, Québec, Canada
| | - Javier Guerrero-Morales
- Département de Chimie, Centre for Green Chemistry and Catalysis, Université de Montréal, Complexe des Sciences, 1375 Avenue Thérèse-Lavoie-Roux, Montréal H2 V 0B3, Québec, Canada
| | - Shawn K Collins
- Département de Chimie, Centre for Green Chemistry and Catalysis, Université de Montréal, Complexe des Sciences, 1375 Avenue Thérèse-Lavoie-Roux, Montréal H2 V 0B3, Québec, Canada
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13
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Kumar P, Saxena D, Maitra R, Chopra S, Narender T. One-pot synthesis of thioethers from indoles and p-quinone methides using thiourea as a sulfur source. Org Biomol Chem 2023; 21:8289-8293. [PMID: 37814982 DOI: 10.1039/d3ob01312j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
Thiourea is an inexpensive and user friendly sulfur reagent that acts as a sulfur source. A simple and efficient protocol has been developed to access thioethers by reacting indoles with p-quinone methides using thiourea as the sulfur source. In our experiments, the reaction apparently proceeded through an S-(3-indolyl)isothiuronium iodide intermediate and subsequent generation of indolethiol that attacked the 1,6 position of p-quinone methides to give desired thioethers in good to excellent yields.
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Affiliation(s)
- Pradeep Kumar
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, UP 201002, India
| | - Deepanshi Saxena
- Division of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, Uttar Pradesh, India
| | - Rahul Maitra
- Division of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, Uttar Pradesh, India
| | - Sidharth Chopra
- Division of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, Uttar Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, UP 201002, India
| | - T Narender
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, UP 201002, India
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14
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Ali K, Chatterjee I, Panda G. Metal-free thiolation of sulfonyl hydrazone with thiophenol: synthesis of 4-thio-chroman and diarylmethyl thioethers. Org Biomol Chem 2023; 21:7447-7458. [PMID: 37667987 DOI: 10.1039/d3ob01239e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
A simple, efficient, and transition metal-free approach was developed for accessing 4-thio-substituted chroman and diarylmethyl thioethers from sulfonyl hydrazones. This protocol provides straightforward access to a class of diarylmethane derivatives with good to excellent yields. This operationally simple protocol exhibited good tolerance for labile functional groups, providing biologically relevant chemical libraries. This safe and feasible route is applicable to the large-scale synthesis of 4-thio-substituted chromans, which are of great synthetic interest because of their further reaction potential.
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Affiliation(s)
- Kasim Ali
- Medicinal & Process Chemistry Division CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Lucknow 226031, India.
- Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh-201002, India
| | - Indranil Chatterjee
- Medicinal & Process Chemistry Division CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Lucknow 226031, India.
| | - Gautam Panda
- Medicinal & Process Chemistry Division CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Lucknow 226031, India.
- Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh-201002, India
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15
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Ali H, Mahto B, Barhoi A, Hussain S. Visible light-driven photocatalytic thiol-ene/yne reactions using anisotropic 1D Bi 2S 3 nanorods: a green synthetic approach. NANOSCALE 2023; 15:14551-14563. [PMID: 37609951 DOI: 10.1039/d3nr02889e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Thiol-ene/yne click reactions play a significant role in creating carbon-sulfur (C-S) bonds, and there has been a growing interest in using visible-light photoredox catalysis for their formation. In this study, anisotropic 1D Bi2S3 nanorods were prepared using a simple polyol-assisted reflux method, and they were used as catalysts for the thiol-ene/yne click reactions under visible light irradiation. The developed protocol is highly compatible and tolerant to various substrates with excellent product yields. Also, thiol-ene and -yne reactions achieved maximum TONs of 93 and 95, respectively. Detailed mechanistic studies were conducted and supported by NMR studies, radical trapping utilizing TEMPO, and ESI-MS product analysis. The ability of Bi2S3 nanorods to catalyze thiol-ene/yne reactions is primarily due to the creation of photoexcited holes, which aid in the formation of thiyl radicals. This method can be scaled up to the gram-scale synthesis of benzyl styryl sulfide with an excellent chemical yield of 90%. The 1D Bi2S3 nanorods also demonstrated structural and morphological stability throughout five reaction cycles while maintaining a favorable photocatalytic activity. The developed methodology had the advantages of broad substrate scope, mild reaction conditions, scaled-up synthesis, and nonrequirement of free radical initiators.
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Affiliation(s)
- Haider Ali
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, 801103, India.
| | - Bhagirath Mahto
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, 801103, India.
| | - Ashok Barhoi
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, 801103, India.
| | - Sahid Hussain
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, 801103, India.
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16
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Abstract
Homogeneous electrocatalysis has been well studied over the past several decades for the conversion of small molecules to useful products for green energy applications or as chemical feedstocks. However, in order for these catalyst systems to be used in industrial applications, their activity and stability must be improved. In naturally occurring enzymes, redox equivalents (electrons, often in a concerted manner with protons) are delivered to enzyme active sites by small molecules known as redox mediators (RMs). Inspired by this, co-electrocatalytic systems with homogeneous catalysts and RMs have been developed for the conversion of alcohols, nitrogen, unsaturated organic substrates, oxygen, and carbon dioxide. In these systems, the RMs have been shown to both increase the activity of the catalyst and shift selectivity to more desired products by altering catalytic cycles and/or avoiding high-energy intermediates. However, the area is currently underdeveloped and requires additional fundamental advancements in order to become a more general strategy. Here, we summarize the recent examples of homogeneous co-electrocatalysis and discuss possible future directions for the field.
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Affiliation(s)
- Amelia G Reid
- Department of Chemistry, University of Virginia, P.O. Box 400319, Charlottesville, Virginia 22904-4319, United States
| | - Charles W Machan
- Department of Chemistry, University of Virginia, P.O. Box 400319, Charlottesville, Virginia 22904-4319, United States
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17
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Wan C, Hou Z, Yang D, Zhou Z, Xu H, Wang Y, Dai C, Liang M, Meng J, Chen J, Yin F, Wang R, Li Z. The thiol-sulfoxonium ylide photo-click reaction for bioconjugation. Chem Sci 2023; 14:604-612. [PMID: 36741507 PMCID: PMC9847666 DOI: 10.1039/d2sc05650j] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 12/01/2022] [Indexed: 12/04/2022] Open
Abstract
Visible-light-mediated methods were heavily studied as a useful tool for cysteine-selective bio-conjugation; however, many current methods suffer from bio-incompatible reaction conditions and slow kinetics. To address these challenges, herein, we report a transition metal-free thiol-sulfoxonium ylide photo-click reaction that enables bioconjugation under bio-compatible conditions. The reaction is highly cysteine-selective and generally finished within minutes with naturally occurring riboflavin derivatives as organic photocatalysts. The catalysts and substrates are readily accessible and bench stable and have satisfactory water solubility. As a proof-of-concept study, the reaction was smoothly applied in chemo-proteomic analysis, which provides efficient tools to explore the druggable content of the human proteome.
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Affiliation(s)
- Chuan Wan
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Zhanfeng Hou
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Dongyan Yang
- College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and EngineeringGuangzhou510225P. R. China
| | - Ziyuan Zhou
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical CollegeShenzhen518116P. R. China
| | - Hongkun Xu
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Yuena Wang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Chuan Dai
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China
| | - Mingchan Liang
- Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
| | - Jun Meng
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical CollegeShenzhen518116P. R. China
| | - Jiean Chen
- Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
| | - Feng Yin
- Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
| | - Rui Wang
- Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
| | - Zigang Li
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen518055P. R. China,Pingshan Translational Medicine Center, Shenzhen Bay LaboratoryShenzhen518118P. R. China
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18
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Modern Photocatalytic Strategies in Natural Product Synthesis. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2023; 120:1-104. [PMID: 36587307 DOI: 10.1007/978-3-031-11783-1_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Modern photocatalysis has proven its generality for the development and functionalization of native functionalities. To date, the field has found broad applications in diverse research areas, including the total synthesis of natural products. This contribution covers recent reports of total syntheses involving as a key step a photocatalytic reaction. Among the selected examples, the photocatalytic processes proceed in a highly chemo-, regio-, and stereoselective manner, thereby allowing the rapid access to structurally complex architectures under light-driven conditions.
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19
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Evaluation of a trinuclear heteroleptic bis-cyclometalated iridium(III) complex as a photoredox catalyst for visible light-mediated hydrothiolation reactions. INORG CHEM COMMUN 2023. [DOI: 10.1016/j.inoche.2022.110384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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20
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Sorrentino JP, Herrick RM, Abd El-Gaber MK, Abdelazem AZ, Kumar A, Altman RA. General Co-catalytic Hydrothiolation of gem-Difluoroalkenes. J Org Chem 2022; 87:16676-16690. [PMID: 36469658 PMCID: PMC9772298 DOI: 10.1021/acs.joc.2c02343] [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] [Indexed: 12/12/2022]
Abstract
Regioselective functionalization of gem-difluoroalkenes enables convergent late-stage access to fluorinated functional groups, though most functionalization reactions proceed through defluorinative functionalization processes that deliver mono-fluorovinyl products. In contrast, fewer reactions undergo net hydrofunctionalization to generate difluorinated products. Herein, we report a photocatalytic hydrothiolation of gem-difluoroalkenes that enables access to a broad spectrum of α,α-difluoroalkylthioethers. Notably, the reaction successfully couples nonactivated substrates, which expands the scope of accessible molecules relative to previously reported reactions involving organo- or photocatalytic strategies. Further, this reaction successfully couples biologically relevant molecules under aqueous conditions, highlighting potential applications in both late-stage and biorthogonal functionalizations.
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Affiliation(s)
- Jacob P. Sorrentino
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, United States
| | - Ryan M. Herrick
- Department of Medicinal Chemistry and Molecular Pharmacology Purdue University, West Lafayette, Indiana 47906, United States
| | - Mohammed K. Abd El-Gaber
- Department of Medicinal Chemistry and Molecular Pharmacology Purdue University, West Lafayette, Indiana 47906, United States
- Medicinal Chemistry Department, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Ahmed Z. Abdelazem
- Department of Medicinal Chemistry and Molecular Pharmacology Purdue University, West Lafayette, Indiana 47906, United States
- Biotechnology & Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef 62517, Egypt
| | - Ankit Kumar
- Department of Medicinal Chemistry and Molecular Pharmacology Purdue University, West Lafayette, Indiana 47906, United States
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Ryan A. Altman
- Department of Medicinal Chemistry and Molecular Pharmacology Purdue University, West Lafayette, Indiana 47906, United States
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47906, United States
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21
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Kim S, Landfester K, Ferguson CTJ. Hairy Conjugated Microporous Polymer Nanoparticles Facilitate Heterogeneous Photoredox Catalysis with Solvent-Specific Dispersibility. ACS NANO 2022; 16:17041-17048. [PMID: 36223132 PMCID: PMC9620398 DOI: 10.1021/acsnano.2c07156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Substrate accessibility is a key limiting factor for the efficiency of heterogeneous photoredox catalysis. Recently, a high photoactive surface area of conjugated microporous polymer nanoparticles (CMP NPs) has made them promising candidates for overcoming the mass transfer limitation to achieve high photocatalytic efficiency. However, this potential has not been realized due to limited dispersibility of CMP NPs in many solvents, particularly in water. Here, we report a polymer grafting strategy that furnishes versatile hairy CMP NPs with enhanced solvent-specific dispersibility. The method associates hundreds of solvent-miscible repeating units with one chain end of the photocatalyst surface, allowing minimal modification to the CMP network that preserves its photocatalytic activity. Therefore, the enhanced dispersibility of hairy CMP NPs in organic solvents or aqueous solutions affords high efficiency in various photocatalytic organic transformations.
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Affiliation(s)
- Seunghyeon Kim
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Katharina Landfester
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Calum T. J. Ferguson
- Max
Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- School
of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United
Kingdom
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22
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Rybicka-Jasińska K, Wdowik T, Łuczak K, Wierzba AJ, Drapała O, Gryko D. Porphyrins as Promising Photocatalysts for Red-Light-Induced Functionalizations of Biomolecules. ACS ORGANIC & INORGANIC AU 2022; 2:422-426. [PMID: 36855670 PMCID: PMC9955257 DOI: 10.1021/acsorginorgau.2c00025] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/01/2022] [Accepted: 07/01/2022] [Indexed: 06/18/2023]
Abstract
Red-light enables deeper material penetration, which is important for biological applications and has consequences for chemical synthesis. Therefore, the search for new photocatalysts that absorb in this region is crucial. Despite the undeniable utility of porphyrins in blue- and green-light-induced energy- and electron-transfer processes, they are also perfectly suited for red-light applications. Herein, we describe free-base porphyrins as photoredox catalysts for red-light-induced organic transformations. They can act as both photooxidants and photoreductants and can accomplish the synthesis of biaryls once merged with Pd-catalysis. The developed methodology holds promise for broader applications, as the heme-based protoporphyrin is used as a photocatalyst and reactions can be realized in aqueous conditions.
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23
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Rahaman R, Nair AM, Volla CMR. Visible-Light Mediated Arbuzov-Like Reaction with Thiophenols. Chemistry 2022; 28:e202201290. [PMID: 35670550 DOI: 10.1002/chem.202201290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Indexed: 11/10/2022]
Abstract
We hereby disclose, a visible light mediated addition of sulfenyl radicals to trialkyl phosphites to access functionalized phosphorothioates. The use of cheap and readily available Eosin Y as a photocatalyst under mild energy efficient conditions bypassing the use of external oxidants forms the chief highlight of the work. The protocol is scalable and mechanistic studies indicate that the reaction proceeds through an ionic-Arbuzov like pathway from phosphoranyl radicals.
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Affiliation(s)
- Rajjakfur Rahaman
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Akshay M Nair
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Chandra M R Volla
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
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24
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Arora A, Singh K. Click Chemistry Mediated by Photochemical Energy. ChemistrySelect 2022. [DOI: 10.1002/slct.202200541] [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)
- Amandeep Arora
- Department of Natural and Applied Science University of Dubuque 2000 University Ave. Dubuque, IA 52001 USA
| | - Kamaljeet Singh
- TLC Pharmaceutical Standards 130 Pony Drive, Newmarket ON Canada L3Y 7B6 USA
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25
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Poland EM, Ho CC. Photoactive N‐Heterocyclic Carbene Transition Metal Complexes in Bond‐Forming Photocatalysis: State‐of‐the‐Art and Opportunities. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Eve M. Poland
- School of Natural Sciences – Chemistry University of Tasmania Hobart Tasmania Australia
| | - Curtis C. Ho
- School of Natural Sciences – Chemistry University of Tasmania Hobart Tasmania Australia
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26
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Duhail T, Zhu M, Rombault C, Dagousset G, Messaoudi S, Magnier EM, Anselmi E. Dual photocatalysis for the straightforward coupling of thiosugars and arylsulfoximines. Towards unprecedented cyclic heteroatomic structures. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Thibaut Duhail
- Paris-Saclay University: Universite Paris-Saclay Institut Lavoisier Versailles FRANCE
| | - Minxiang Zhu
- Paris-Saclay University: Universite Paris-Saclay BioCIS: Biomolecules Conception Isolement Synthese FRANCE
| | - Coralie Rombault
- Paris-Saclay University: Universite Paris-Saclay Institut Lavoisier de Versailles FRANCE
| | - Guillaume Dagousset
- Paris-Saclay University: Universite Paris-Saclay Institut Lavoisier de Versailles FRANCE
| | - Samir Messaoudi
- Paris-Saclay University: Universite Paris-Saclay BIOCIS FRANCE
| | - Emmanuel M. Magnier
- CNRS ILV UMR 8180 Universite de Versailles-Saint-Quentin B�timent Lavoisier ECHO 45, avenue des Etats unis 78035 VERSAILLES FRANCE
| | - Elsa Anselmi
- Paris-Saclay University: Universite Paris-Saclay Institut Lavoisier de Versailles FRANCE
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27
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Taniguchi N, Kitayama K. Metal Catalyzed-Introduction of Sulfur-Substituents to Unsaturated Carbon-Carbon Bonds. J SYN ORG CHEM JPN 2022. [DOI: 10.5059/yukigoseikyokaishi.80.322] [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)
- Nobukazu Taniguchi
- Department of Chemistry, Faculty of Liberal Arts and Sciences, Osaka Prefecture University
| | - Kenji Kitayama
- Biomass Innovation Center Osaka Head Office, Daicel Corporation
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28
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Yang D, Yan Q, Zhu E, Lv J, He WM. Carbon–sulfur bond formation via photochemical strategies: An efficient method for the synthesis of sulfur-containing compounds. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.09.068] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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29
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Wu Y, Simpson MC, Jin J. 3D Printing of Thiol‐Yne Photoresins through Visible Light Photoredox Catalysis. ChemistrySelect 2022. [DOI: 10.1002/slct.202200319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yimei Wu
- School of Chemical Sciences The University of Auckland Auckland 1010 New Zealand
- Dodd-Walls Centre for Quantum and Photonic Technologies Dunedin New Zealand
| | - M. Cather Simpson
- School of Chemical Sciences The University of Auckland Auckland 1010 New Zealand
- Department of Physics The University of Auckland Auckland 1010 New Zealand
- Photon Factory The University of Auckland Auckland 1010 New Zealand
- Dodd-Walls Centre for Quantum and Photonic Technologies Dunedin New Zealand
- The MacDiarmid Institute of Advanced Materials and Nanotechnology Wellington 6012 New Zealand
| | - Jianyong Jin
- School of Chemical Sciences The University of Auckland Auckland 1010 New Zealand
- Dodd-Walls Centre for Quantum and Photonic Technologies Dunedin New Zealand
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30
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Liu X, Bai R, Guo Z, Che Y, Guo C, Xing H. Photogeneration of thiyl radicals using metal‐halide perovskite for highly efficient synthesis of thioethers. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Xin Liu
- College of Chemistry Northeast Normal University Changchun China
| | - Rong Bai
- College of Chemistry Northeast Normal University Changchun China
| | - Zhifen Guo
- College of Chemistry Northeast Normal University Changchun China
| | - Yan Che
- College of Chemistry Northeast Normal University Changchun China
| | - Chunyi Guo
- College of Chemistry Northeast Normal University Changchun China
| | - Hongzhu Xing
- College of Chemistry Northeast Normal University Changchun China
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31
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Murray PD, Cox JH, Chiappini ND, Roos CB, McLoughlin EA, Hejna BG, Nguyen ST, Ripberger HH, Ganley JM, Tsui E, Shin NY, Koronkiewicz B, Qiu G, Knowles RR. Photochemical and Electrochemical Applications of Proton-Coupled Electron Transfer in Organic Synthesis. Chem Rev 2022; 122:2017-2291. [PMID: 34813277 PMCID: PMC8796287 DOI: 10.1021/acs.chemrev.1c00374] [Citation(s) in RCA: 154] [Impact Index Per Article: 77.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Indexed: 12/16/2022]
Abstract
We present here a review of the photochemical and electrochemical applications of multi-site proton-coupled electron transfer (MS-PCET) in organic synthesis. MS-PCETs are redox mechanisms in which both an electron and a proton are exchanged together, often in a concerted elementary step. As such, MS-PCET can function as a non-classical mechanism for homolytic bond activation, providing opportunities to generate synthetically useful free radical intermediates directly from a wide variety of common organic functional groups. We present an introduction to MS-PCET and a practitioner's guide to reaction design, with an emphasis on the unique energetic and selectivity features that are characteristic of this reaction class. We then present chapters on oxidative N-H, O-H, S-H, and C-H bond homolysis methods, for the generation of the corresponding neutral radical species. Then, chapters for reductive PCET activations involving carbonyl, imine, other X═Y π-systems, and heteroarenes, where neutral ketyl, α-amino, and heteroarene-derived radicals can be generated. Finally, we present chapters on the applications of MS-PCET in asymmetric catalysis and in materials and device applications. Within each chapter, we subdivide by the functional group undergoing homolysis, and thereafter by the type of transformation being promoted. Methods published prior to the end of December 2020 are presented.
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Affiliation(s)
- Philip
R. D. Murray
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - James H. Cox
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Nicholas D. Chiappini
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Casey B. Roos
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | | | - Benjamin G. Hejna
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Suong T. Nguyen
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Hunter H. Ripberger
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Jacob M. Ganley
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Elaine Tsui
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Nick Y. Shin
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Brian Koronkiewicz
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Guanqi Qiu
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
| | - Robert R. Knowles
- Department of Chemistry, Princeton
University, Princeton, New Jersey 08544, United States
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32
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Luridiana A, Frongia A, Scorciapino MA, Malloci G, Manconi B, Serrao S, Ricci PC, Secci F. Z
‐Selective Synthesis of α‐Sulfanyl Carbonyl Compounds from Internal Alkynes and Thiols via Photoredox Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202100996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Alberto Luridiana
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Angelo Frongia
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Mariano Andrea Scorciapino
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Giuliano Malloci
- Department of Physics Università degli Studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato (Cagliari) Italy
| | - Barbara Manconi
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Simone Serrao
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
| | - Pier Carlo Ricci
- Department of Physics Università degli Studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato (Cagliari) Italy
| | - Francesco Secci
- Department of Chemical Sciences and Geology Università degli studi di Cagliari Complesso Universitario di Monserrato 09042 Monserrato Italy
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Reid AG, Moreno JJ, Hooe SL, Baugh KR, Thomas IH, Dickie DA, Machan CW. Inverse Potential Scaling in Co-Electrocatalytic Activity for CO 2 Reduction Through Redox Mediator Tuning and Catalyst Design. Chem Sci 2022; 13:9595-9606. [PMID: 36091894 PMCID: PMC9400620 DOI: 10.1039/d2sc03258a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 07/21/2022] [Indexed: 11/21/2022] Open
Abstract
Electrocatalytic CO2 reduction is an attractive strategy to mitigate the continuous rise in atmospheric CO2 concentrations and generate value-added chemical products. A possible strategy to increase the activity of molecular...
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Affiliation(s)
- Amelia G Reid
- Department of Chemistry, University of Virginia PO Box 400319 Charlottesville VA 22904-4319 USA
| | - Juan J Moreno
- Department of Chemistry, University of Virginia PO Box 400319 Charlottesville VA 22904-4319 USA
| | - Shelby L Hooe
- Department of Chemistry, University of Virginia PO Box 400319 Charlottesville VA 22904-4319 USA
| | - Kira R Baugh
- Department of Chemistry, University of Virginia PO Box 400319 Charlottesville VA 22904-4319 USA
| | - Isobel H Thomas
- Department of Chemistry, University of Virginia PO Box 400319 Charlottesville VA 22904-4319 USA
| | - Diane A Dickie
- Department of Chemistry, University of Virginia PO Box 400319 Charlottesville VA 22904-4319 USA
| | - Charles W Machan
- Department of Chemistry, University of Virginia PO Box 400319 Charlottesville VA 22904-4319 USA
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34
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Cesana PT, Li BX, Shepard SG, Ting SI, Hart SM, Olson CM, Martinez Alvarado JI, Son M, Steiman TJ, Castellano FN, Doyle AG, MacMillan DW, Schlau-Cohen GS. A biohybrid strategy for enabling photoredox catalysis with low-energy light. Chem 2022. [DOI: 10.1016/j.chempr.2021.10.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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35
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Payra S, Yadav N, Moorthy JN. Solvent-mediated switching between oxidative addition and addition–oxidation: access to β-hydroxysulfides and β-arylsulfones by the addition of thiols to olefins in the presence of Oxone. NEW J CHEM 2022. [DOI: 10.1039/d1nj04892a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Solvent-switching allows formation of either β-hydroxy-2-arylethyl aryl sulfides or 2-arylethyl aryl sulfones exclusively in thiol–ene ‘click’ reactions conducted with Oxone.
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Affiliation(s)
- Soumen Payra
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
| | - Navin Yadav
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
| | - Jarugu Narasimha Moorthy
- Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India
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36
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Motimani NM, Ngubane S, Smith GS. Polynuclear heteroleptic ruthenium(II) photoredox catalysts: Evaluation in blue-light-mediated, regioselective thiol-ene reactions. Polyhedron 2022. [DOI: 10.1016/j.poly.2021.115616] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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37
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Nayek N, Karmakar P, Mandal M, Karmakar I, Brahmachari G. Photochemical and electrochemical regioselective cross-dehydrogenative C(sp 2)–H sulfenylation and selenylation of substituted benzo[ a]phenazin-5-ols. NEW J CHEM 2022. [DOI: 10.1039/d2nj02224a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The essence of photo- and electrochemistry: sulfenylation and selenylation of substituted benzo[a]phenazin-5-ols through cross-dehydrogenative C(sp2)–H functionalization.
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Affiliation(s)
- Nayana Nayek
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan-731 235, West Bengal, India
| | - Pintu Karmakar
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan-731 235, West Bengal, India
| | - Mullicka Mandal
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan-731 235, West Bengal, India
| | - Indrajit Karmakar
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan-731 235, West Bengal, India
| | - Goutam Brahmachari
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan-731 235, West Bengal, India
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38
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Mackay AS, Payne RJ, Malins LR. Electrochemistry for the Chemoselective Modification of Peptides and Proteins. J Am Chem Soc 2021; 144:23-41. [PMID: 34968405 DOI: 10.1021/jacs.1c11185] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Although electrochemical strategies for small-molecule synthesis are flourishing, this technology has yet to be fully exploited for the mild and chemoselective modification of peptides and proteins. With the growing number of diverse peptide natural products being identified and the emergence of modified proteins as therapeutic and diagnostic agents, methods for electrochemical modification stand as alluring prospects for harnessing the reactivity of polypeptides to build molecular complexity. As a mild and inherently tunable reaction platform, electrochemistry is arguably well-suited to overcome the chemo- and regioselectivity issues which limit existing bioconjugation strategies. This Perspective will showcase recently developed electrochemical approaches to peptide and protein modification. The article also highlights the wealth of untapped opportunities for the production of homogeneously modified biomolecules, with an eye toward realizing the enormous potential of electrochemistry for chemoselective bioconjugation chemistry.
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Affiliation(s)
- Angus S Mackay
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia.,Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW 2006, Australia
| | - Richard J Payne
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia.,Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW 2006, Australia
| | - Lara R Malins
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia.,Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, Australian National University, Canberra, ACT 2601, Australia
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39
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Le CMQ, Schrodj G, Ndao I, Bessif B, Heck B, Pfohl T, Reiter G, Elgoyhen J, Tomovska R, Chemtob A. Semi-Crystalline Poly(thioether) Prepared by Visible-Light-Induced Organocatalyzed Thiol-ene Polymerization in Emulsion. Macromol Rapid Commun 2021; 43:e2100740. [PMID: 34890084 DOI: 10.1002/marc.202100740] [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: 11/04/2021] [Revised: 12/07/2021] [Indexed: 11/10/2022]
Abstract
A photocatalytic thiol-ene aqueous emulsion polymerization under visible-light is described to prepare linear semicrystalline latexes using 2,2'-dimercaptodiethyl sulfide as dithiol and various dienes. The procedure involves low irradiance (3 mW cm-2 ), LED irradiation source, eosin-Y disodium as organocatalyst, low catalyst loading (<0.05% mol), and short reaction time scales (<1 h). The resulting latexes have molecular weights of about 10 kg mol-1 , average diameters of 100 nm, and a linear structure consisting only of thioether repeating units. Electron-transfer reaction from a thiol to the triplet excited state of the photocatalyst is suggested as the primary step of the mechanism (type I), whereas oxidation by singlet oxygen generated by energy transfer has a negligible effect (type II). Only polymers prepared with aliphatic dienes such as diallyl adipate or di(ethylene glycol) divinyl ether exhibit a high crystallization tendency as revealed by differential scanning calorimetry, polarized optical microscopy, and X-ray diffraction. Ordering and crystallization are driven by molecular packing of poly(thioether) chains combining structural regularity, compactness, and flexibility.
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Affiliation(s)
- Cuong Minh Quoc Le
- Institut de Sciences des Matériaux de Mulhouse (IS2M) UMR CNRS 7361, Université de Haute-Alsace, 15 rue Jean Starcky, Mulhouse, Cedex, 68057, France
| | - Gautier Schrodj
- Institut de Sciences des Matériaux de Mulhouse (IS2M) UMR CNRS 7361, Université de Haute-Alsace, 15 rue Jean Starcky, Mulhouse, Cedex, 68057, France
| | - Ibrahima Ndao
- Institut de Sciences des Matériaux de Mulhouse (IS2M) UMR CNRS 7361, Université de Haute-Alsace, 15 rue Jean Starcky, Mulhouse, Cedex, 68057, France
| | - Brahim Bessif
- Institute of Physics, University of Freiburg, Hermann-Herder-Str. 3, Freiburg, 79104, Germany
| | - Barbara Heck
- Institute of Physics, University of Freiburg, Hermann-Herder-Str. 3, Freiburg, 79104, Germany
| | - Thomas Pfohl
- Institute of Physics, University of Freiburg, Hermann-Herder-Str. 3, Freiburg, 79104, Germany
| | - Günter Reiter
- Institute of Physics, University of Freiburg, Hermann-Herder-Str. 3, Freiburg, 79104, Germany
| | - Justine Elgoyhen
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa, 72, Donostia-San Sebastian, 20018, Spain
| | - Radmila Tomovska
- POLYMAT and Departamento de Química Aplicada, Facultad de Ciencias Químicas, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa, 72, Donostia-San Sebastian, 20018, Spain
| | - Abraham Chemtob
- Institut de Sciences des Matériaux de Mulhouse (IS2M) UMR CNRS 7361, Université de Haute-Alsace, 15 rue Jean Starcky, Mulhouse, Cedex, 68057, France
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40
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Kaur S, Luciano DP, Fan X, Zhao G, Messier S, Walker MM, Zhang Q, Wang T. Radical functionalization of thioglycosides in aqueous medium. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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41
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Yang X, Zhang L, Xia Y. Photochemical Disulfide-Ene Modification Enhances Protein Sequencing and Disulfide Mapping by Mass Spectrometry. Anal Chem 2021; 93:15231-15235. [PMID: 34751558 DOI: 10.1021/acs.analchem.1c04214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A new photochemical disulfide-ene reaction system capable of alkylating protein disulfide bonds in seconds has been established. The system is simple, containing acetone and isopropanol for disulfide reduction under 254 nm UV irradiation and norbornene as a highly efficient alkylation reagent. Enhanced characterization of disulfide-rich proteins with significantly shortened analysis time is demonstrated by coupling the reaction online with mass spectrometry.
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Affiliation(s)
- Xiaoyue Yang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Longfei Zhang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yu Xia
- Department of Chemistry, Tsinghua University, Beijing 100084, China
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42
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Teng S, Meng L, Xu B, Tu G, Wu P, Liao Z, Tan Y, Guo J, Zeng J, Wan Q. Togni‐II
Reagent Mediated Selective Hydrotrifluoromethylation and Hydrothiolation of Alkenes
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100464] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Shuang Teng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Lingkui Meng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Bingbing Xu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Guangsheng Tu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Peng Wu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Zhiwen Liao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Yulin Tan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Jian Guo
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Jing Zeng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
| | - Qian Wan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
- Institute of Brain Research Huazhong University of Science and Technology, 13 Hangkong Road Wuhan Hubei 430030 China
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43
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McLean JT, Benny A, Nolan MD, Swinand G, Scanlan EM. Cysteinyl radicals in chemical synthesis and in nature. Chem Soc Rev 2021; 50:10857-10894. [PMID: 34397045 DOI: 10.1039/d1cs00254f] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Nature harnesses the unique properties of cysteinyl radical intermediates for a diverse range of essential biological transformations including DNA biosynthesis and repair, metabolism, and biological photochemistry. In parallel, the synthetic accessibility and redox chemistry of cysteinyl radicals renders them versatile reactive intermediates for use in a vast array of synthetic applications such as lipidation, glycosylation and fluorescent labelling of proteins, peptide macrocyclization and stapling, desulfurisation of peptides and proteins, and development of novel therapeutics. This review provides the reader with an overview of the role of cysteinyl radical intermediates in both chemical synthesis and biological systems, with a critical focus on mechanistic details. Direct insights from biological systems, where applied to chemical synthesis, are highlighted and potential avenues from nature which are yet to be explored synthetically are presented.
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Affiliation(s)
- Joshua T McLean
- Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse St., Dublin, D02 R590, Ireland.
| | - Alby Benny
- Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse St., Dublin, D02 R590, Ireland.
| | - Mark D Nolan
- Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse St., Dublin, D02 R590, Ireland.
| | - Glenna Swinand
- Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse St., Dublin, D02 R590, Ireland.
| | - Eoin M Scanlan
- Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse St., Dublin, D02 R590, Ireland.
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44
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Lechner VM, Nappi M, Deneny PJ, Folliet S, Chu JCK, Gaunt MJ. Visible-Light-Mediated Modification and Manipulation of Biomacromolecules. Chem Rev 2021; 122:1752-1829. [PMID: 34546740 DOI: 10.1021/acs.chemrev.1c00357] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chemically modified biomacromolecules-i.e., proteins, nucleic acids, glycans, and lipids-have become crucial tools in chemical biology. They are extensively used not only to elucidate cellular processes but also in industrial applications, particularly in the context of biopharmaceuticals. In order to enable maximum scope for optimization, it is pivotal to have a diverse array of biomacromolecule modification methods at one's disposal. Chemistry has driven many significant advances in this area, and especially recently, numerous novel visible-light-induced photochemical approaches have emerged. In these reactions, light serves as an external source of energy, enabling access to highly reactive intermediates under exceedingly mild conditions and with exquisite spatiotemporal control. While UV-induced transformations on biomacromolecules date back decades, visible light has the unmistakable advantage of being considerably more biocompatible, and a spectrum of visible-light-driven methods is now available, chiefly for proteins and nucleic acids. This review will discuss modifications of native functional groups (FGs), including functionalization, labeling, and cross-linking techniques as well as the utility of oxidative degradation mediated by photochemically generated reactive oxygen species. Furthermore, transformations at non-native, bioorthogonal FGs on biomacromolecules will be addressed, including photoclick chemistry and DNA-encoded library synthesis as well as methods that allow manipulation of the activity of a biomacromolecule.
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Affiliation(s)
- Vivian M Lechner
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Manuel Nappi
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Patrick J Deneny
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Sarah Folliet
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - John C K Chu
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Matthew J Gaunt
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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45
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Gomez Fernandez MA, Nascimento de Oliveira M, Zanetti A, Schwertz G, Cossy J, Amara Z. Photochemical Hydrothiolation of Amorphadiene and Formal Synthesis of Artemisinin via a Pummerer Rearrangement. Org Lett 2021; 23:5593-5598. [PMID: 33900782 DOI: 10.1021/acs.orglett.1c00636] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new access to artemisinin is reported based on a selective photochemical hydrothiolation of amorphadiene, a waste product of the industrial semisynthetic route. This study highlights the discovery of two distinctive activation pathways under solvent-free conditions or using a photocatalyst promoting H-abstraction. Subsequently, a chemoselective oxidation of the resulting photochemically generated thioether, followed by a Pummerer rearrangement, affords dihydroartemisinic aldehyde, a key intermediate in the synthesis of artemisinin.
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Affiliation(s)
- Mario Andrés Gomez Fernandez
- Equipe de Chimie Moléculaire, Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire, (GBCM), EA 7528, Conservatoire national des arts et métiers, HESAM Université, 2 rue Conté, 75003 Paris, France
| | - Marllon Nascimento de Oliveira
- Equipe de Chimie Moléculaire, Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire, (GBCM), EA 7528, Conservatoire national des arts et métiers, HESAM Université, 2 rue Conté, 75003 Paris, France
| | - Andrea Zanetti
- Molecular, Macromolecular Chemistry and Materials (C3M), ESPCI Paris/CNRS/PSL Research University, 10 rue Vauquelin, 75005 Paris, France
| | - Geoffrey Schwertz
- Molecular, Macromolecular Chemistry and Materials (C3M), ESPCI Paris/CNRS/PSL Research University, 10 rue Vauquelin, 75005 Paris, France
| | - Janine Cossy
- Molecular, Macromolecular Chemistry and Materials (C3M), ESPCI Paris/CNRS/PSL Research University, 10 rue Vauquelin, 75005 Paris, France
| | - Zacharias Amara
- Equipe de Chimie Moléculaire, Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire, (GBCM), EA 7528, Conservatoire national des arts et métiers, HESAM Université, 2 rue Conté, 75003 Paris, France
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46
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Zhang WB, Luo J, Wang YM, Zhu XZ, Zhang C, Liu J, Ni ML, Zhang GH. Hydroxyl-terminated Polyethylenes Bearing Functional Side Groups: Facile Synthesis and Their Properties. CHINESE JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1007/s10118-021-2572-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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47
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Correia JTM, Santos MS, Pissinati EF, da Silva GP, Paixão MW. Recent Advances on Photoinduced Cascade Strategies for the Synthesis of N-Heterocycles. CHEM REC 2021; 21:2666-2687. [PMID: 34288377 DOI: 10.1002/tcr.202100160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 12/13/2022]
Abstract
Over the last decade, visible-light photocatalysis has proved to be a powerful tool for the construction of N-heterocyclic frameworks, important constituents of natural products, insecticides, pharmacologically relevant therapeutic agents and catalysts. This account highlights recent developments and established methods towards the photocatalytic cascades for preparation of different classes of N-heterocycles, giving emphasis on our contribution to the field.
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Affiliation(s)
- José Tiago M Correia
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, Brazil -, 13565-905
| | - Marilia S Santos
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, Brazil -, 13565-905
| | - Emanuele F Pissinati
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, Brazil -, 13565-905
| | - Gustavo P da Silva
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, Brazil -, 13565-905
| | - Márcio W Paixão
- Department of Chemistry, Federal University of São Carlos, Rodovia Washington Luís, km 235 - SP-310 - São Carlos, São Paulo, Brazil -, 13565-905
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48
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Bary G, Jamil MI, Arslan M, Ghani L, Ahmed W, Ahmad H, Zaman G, Ayub K, Sajid M, Ahmad R, Huang D, Liu F, Wang Y. Regio- and stereoselective functionalization of alkenes with emphasis on mechanistic insight and sustainability concerns. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101260] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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49
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Fairbanks BD, Macdougall LJ, Mavila S, Sinha J, Kirkpatrick BE, Anseth KS, Bowman CN. Photoclick Chemistry: A Bright Idea. Chem Rev 2021; 121:6915-6990. [PMID: 33835796 PMCID: PMC9883840 DOI: 10.1021/acs.chemrev.0c01212] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
At its basic conceptualization, photoclick chemistry embodies a collection of click reactions that are performed via the application of light. The emergence of this concept has had diverse impact over a broad range of chemical and biological research due to the spatiotemporal control, high selectivity, and excellent product yields afforded by the combination of light and click chemistry. While the reactions designated as "photoclick" have many important features in common, each has its own particular combination of advantages and shortcomings. A more extensive realization of the potential of this chemistry requires a broader understanding of the physical and chemical characteristics of the specific reactions. This review discusses the features of the most frequently employed photoclick reactions reported in the literature: photomediated azide-alkyne cycloadditions, other 1,3-dipolarcycloadditions, Diels-Alder and inverse electron demand Diels-Alder additions, radical alternating addition chain transfer additions, and nucleophilic additions. Applications of these reactions in a variety of chemical syntheses, materials chemistry, and biological contexts are surveyed, with particular attention paid to the respective strengths and limitations of each reaction and how that reaction benefits from its combination with light. Finally, challenges to broader employment of these reactions are discussed, along with strategies and opportunities to mitigate such obstacles.
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Affiliation(s)
- Benjamin D Fairbanks
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80303, United States
| | - Laura J Macdougall
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80303, United States
| | - Sudheendran Mavila
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80303, United States
| | - Jasmine Sinha
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80303, United States
| | - Bruce E Kirkpatrick
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80303, United States
- The BioFrontiers Institute, University of Colorado, Boulder, Colorado 80303, United States
- Medical Scientist Training Program, School of Medicine, University of Colorado, Aurora, Coorado 80045, United States
| | - Kristi S Anseth
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80303, United States
- The BioFrontiers Institute, University of Colorado, Boulder, Colorado 80303, United States
| | - Christopher N Bowman
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80303, United States
- Materials Science and Engineering Program, University of Colorado, Boulder, Colorado 80303, United States
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50
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Li RH, Zhao YL, Shang QK, Geng Y, Wang XL, Su ZM, Li GF, Guan W. Photocatalytic C(sp 3)–O/N Cross-Couplings by NaI–PPh 3/CuBr Cooperative Catalysis: Computational Design and Experimental Verification. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01222] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | | | | | | | | | - Zhong-Min Su
- College of Chemistry, Jilin University, Changchun 130023, P. R. China
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