1
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Zhi S, Ma X, Zhang W. Radical Cyclization-Initiated Difunctionalization Reactions of Alkenes and Alkynes. Molecules 2024; 29:2559. [PMID: 38893437 PMCID: PMC11173560 DOI: 10.3390/molecules29112559] [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: 04/12/2024] [Revised: 05/23/2024] [Accepted: 05/25/2024] [Indexed: 06/21/2024] Open
Abstract
Radical reactions are powerful in the synthesis of diverse molecular scaffolds bearing functional groups. In previous review articles, we have presented 1,2-difunctionalizations, remote 1,3-, 1,4-, 1,5-, 1,6- and 1,7-difunctionalizations, and addition followed by cyclization reactions. Presented in this paper is radical cyclization followed by the second functionalization reaction. The second functionalization could be realized by atom transfer reactions, radical or transition metal-assisted coupling reactions, and reactions with neutral molecules, cationic and anionic species.
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Affiliation(s)
- Sanjun Zhi
- Jiangsu Key Laboratory for the Chemistry of Low-Dimensional Materials, Huaiyin Normal University, 111 Changjiang West Road, Huaian 223300, China;
| | - Xiaoming Ma
- School of Pharmacy, Changzhou University, 1 Gehu Road, Changzhou 213164, China;
| | - Wei Zhang
- Department of Chemistry, University of Massachusetts Boston, 100 Morrissey Boulevard, Boston, MA 02125, USA
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2
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Ke S, Liao H, Qin H, Wang Y, Li Y. Access to Benzocyclic Boronates via Light-Promoted Intramolecular Arylborylation of Alkenes. J Org Chem 2023; 88:6237-6246. [PMID: 37040625 DOI: 10.1021/acs.joc.3c00395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Benzocyclic boronates have attracted increasing research interest in drug chemistry and organic synthesis in recent years. Herein, we report a facile access to benzocyclic boronates through photopromoted intramolecular arylborylation of allyl aryldiazonium salts. This simple protocol features a broad scope, allowing the formation of variously functionalized borates bearing dihydrobenzofuran, dihydroindene, benzothiophene, and indoline skeletons under mild and sustainable conditions.
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Affiliation(s)
- Sen Ke
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Huanqing Liao
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Hao Qin
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Yan Wang
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Yi Li
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350108, China
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3
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Wu R, Song J, Lu J, Ji X, Tian G, Zhang F. Constructions of Fe3O4/HAp/Au Nanohybrids with Multifunctional Structure for Efficient Photocatalysis and Environmental Remediation of Organic Dyes. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.134908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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4
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Chai LL, Zhao YH, Young DJ, Lu X, Li HX. Ni(II)-Mediated Photochemical Oxidative Esterification of Aldehydes with Phenols. Org Lett 2022; 24:6908-6913. [PMID: 36121710 DOI: 10.1021/acs.orglett.2c02560] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The photopromoted, Ni-catalyzed acceptorless dehydrogenation esterification of phenols and aromatic aldehydes has been achieved in an oxidant- and external photosensitizer-free manner. This reliable and atom-economical transformation was tolerant to a wide range of functional groups and proceeded efficiently to give various aryl benzoates in moderate to high yields. Additionally, this photocatalytic system displayed high activity for the hydrogen-evolution cross coupling of aliphatic aldehydes and phenols employing dual nickel and aromatic aldehyde catalysis.
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Affiliation(s)
- Lu-Lu Chai
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - You-Hui Zhao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - David James Young
- College of Engineering, IT and Environment, Charles Darwin University, Darwin, NT 0909, Australia
| | - Xinhua Lu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hong-Xi Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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5
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Forni JA, Gandhi VH, Polyzos A. Carbonylative Hydroacylation of Styrenes with Alkyl Halides by Multiphoton Tandem Photoredox Catalysis in Flow. ACS Catal 2022. [DOI: 10.1021/acscatal.2c02531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- José A. Forni
- School of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Vir H. Gandhi
- School of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Anastasios Polyzos
- School of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
- Dr A. Polyzos CSIRO Manufacturing, Research Way, Clayton, Victoria 3168, Australia
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6
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Hung WC, Jhang CH, Weng SL, Chou CC, Chen CH, Lin JL, Fang JM. Revisiting Disulfide-Yne and Disulfide-Diazonium Reactions for Potential Direct Modification of Disulfide Bonds in Proteins. J Org Chem 2022; 87:9875-9886. [PMID: 35815579 DOI: 10.1021/acs.joc.2c00903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
To find their potential use in protein research, direct addition of a disulfide compound to alkyne (namely disulfide-yne reaction) and S-arylation with arenediazonium salt (namely disulfide-diazonium reaction) were investigated in aqueous or protic solutions. The reaction of dimethyl disulfide with 5-hexynol performed best under 300 nm irradiation in the presence of sodium acetate to afford 5,6-bis(methylthio)-5-hexenol in 60% yield. Without the prior reduction of a disulfide bond to thiols, the disulfide-yne reactions have the advantage of 100% atom economy. Disulfide-diazonium reaction was triggered by sodium formate and accelerated by photoirradiation with a 450 nm LED lamp (5 W). The reaction of 3,4-dihydroxy-1,2-dithiane with 2-(prop-2-yn-1-yloxy)benzene-1-diazonium tetrafluoroborate (8b) afforded 2-(benzofuran-3-yl)-1,3-dithiepane-5,6-diol (13), confirming that both S substituents originate from the same disulfide molecule. The trastuzumab antibody was incubated with diazonium 8b, followed by α-lytic protease digestion, LC-ESI-MS/MS analysis, and Mascot search, to verify that the proximal C229 and C232 residues on the same heavy chain were reconnected with a (benzofuranyl)methine moiety that originated from 8b, unlike the expected disulfide rebridging across two heavy chains. Nonetheless, disulfide-diazonium reactions still have potential for rebridging disulfide bonds if appropriate proteins and diazonium agents are chosen.
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Affiliation(s)
- Wei-Cheng Hung
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Cheng-Hao Jhang
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Shou-Lin Weng
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Chiu-Chun Chou
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Chein-Hung Chen
- The Genomics Research Center, Academia Sinica, Taipei 225, Taiwan
| | - Jung-Lee Lin
- The Genomics Research Center, Academia Sinica, Taipei 225, Taiwan
| | - Jim-Min Fang
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan.,The Genomics Research Center, Academia Sinica, Taipei 225, Taiwan
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7
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Wu FP, Wu XF. Catalyst-controlled selective borocarbonylation of benzylidenecyclopropanes: regiodivergent synthesis of γ-vinylboryl ketones and β-cyclopropylboryl ketones. Chem Sci 2022; 13:4321-4326. [PMID: 35509466 PMCID: PMC9006926 DOI: 10.1039/d2sc00840h] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 03/18/2022] [Indexed: 12/25/2022] Open
Abstract
Regioselective catalytic multi-functionalization reactions enable the rapid synthesis of complexed products from the same precursors. In this communication, we present a method for the regiodivergent borocarbonylation of benzylidenecyclopropanes with aryl iodides. Various γ-vinylboryl ketones and β-cyclopropylboryl ketones were produced in moderate to good yields with excellent regioselectivity from the same substrates. The choice of the catalyst is key for the regioselectivity control: γ-vinylboryl ketones were produced selectively with IPrCuCl and Pd(dppp)Cl2 as the catalytic system, while the corresponding β-cyclopropylboryl ketones were obtained in high regioselectivity with Cu(dppp)Cl, [Pd(η3-cinnamyl)Cl]2 and xantphos as the catalytic system. Moreover, γ-vinylboryl ketones and β-cyclopropylboryl ketones were successfully transformed into several other value-added products. A novel procedure for regiodivergent borocarbonylation of benzylidenecyclopropanes has been developed. A variety of valuable γ-vinylboryl ketones and β-cyclopropylboryl ketones can be obtained selectively in excellent yields.![]()
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Affiliation(s)
- Fu-Peng Wu
- Leibniz-Institut für Katalyse e.V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Xiao-Feng Wu
- Leibniz-Institut für Katalyse e.V. Albert-Einstein-Straße 29a 18059 Rostock Germany .,Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 116023 Dalian Liaoning China
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8
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Coppola GA, Pillitteri S, Van der Eycken EV, You SL, Sharma UK. Multicomponent reactions and photo/electrochemistry join forces: atom economy meets energy efficiency. Chem Soc Rev 2022; 51:2313-2382. [PMID: 35244107 DOI: 10.1039/d1cs00510c] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Visible-light photoredox catalysis has been regarded as an extremely powerful tool in organic chemistry, bringing the spotlight back to radical processes. The versatility of photocatalyzed reactions has already been demonstrated to be effective in providing alternative routes for cross-coupling as well as multicomponent reactions. The photocatalyst allows the generation of high-energy intermediates through light irradiation rather than using highly reactive reagents or harsh reaction conditions. In a similar vein, organic electrochemistry has experienced a fruitful renaissance as a tool for generating reactive intermediates without the need for any catalyst. Such milder approaches pose the basis toward higher selectivity and broader applicability. In photocatalyzed and electrochemical multicomponent reactions, the generation of the radical species acts as a starter of the cascade of events. This allows for diverse reactivity and the use of reagents is usually not covered by classical methods. Owing to the availability of cheaper and more standardized photo- and electrochemical reactors, as well as easily scalable flow-setups, it is not surprising that these two fields have become areas of increased research interest. Keeping these in view, this review is aimed at providing an overview of the synthetic approaches in the design of MCRs involving photoredox catalysis and/or electrochemical activation as a crucial step with particular focus on the choice of the difunctionalized reagent.
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Affiliation(s)
- Guglielmo A Coppola
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium.
| | - Serena Pillitteri
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium.
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium. .,Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China.
| | - Upendra K Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium.
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9
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Buglioni L, Raymenants F, Slattery A, Zondag SDA, Noël T. Technological Innovations in Photochemistry for Organic Synthesis: Flow Chemistry, High-Throughput Experimentation, Scale-up, and Photoelectrochemistry. Chem Rev 2022; 122:2752-2906. [PMID: 34375082 PMCID: PMC8796205 DOI: 10.1021/acs.chemrev.1c00332] [Citation(s) in RCA: 208] [Impact Index Per Article: 104.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Indexed: 02/08/2023]
Abstract
Photoinduced chemical transformations have received in recent years a tremendous amount of attention, providing a plethora of opportunities to synthetic organic chemists. However, performing a photochemical transformation can be quite a challenge because of various issues related to the delivery of photons. These challenges have barred the widespread adoption of photochemical steps in the chemical industry. However, in the past decade, several technological innovations have led to more reproducible, selective, and scalable photoinduced reactions. Herein, we provide a comprehensive overview of these exciting technological advances, including flow chemistry, high-throughput experimentation, reactor design and scale-up, and the combination of photo- and electro-chemistry.
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Affiliation(s)
- Laura Buglioni
- Micro
Flow Chemistry and Synthetic Methodology, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, Het Kranenveld, Bldg 14—Helix, 5600 MB, Eindhoven, The Netherlands
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Fabian Raymenants
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Aidan Slattery
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Stefan D. A. Zondag
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Timothy Noël
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
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10
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Jiang S, Nan N, He J, Guo J, Qin J, Xie Y, Ouyang X, Song R. Recent Progress in Aryl Radical-Mediated Cyclization of Unsaturated Bonds Based on Aryldiazonium Salts. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202210013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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11
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12
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Hellwig PS, Barcellos AM, Furst CG, Alberto EE, Perin G. Oxyselenocyclization of 2‐Allylphenols for the Synthesis of 2,3‐Dihydrobenzofuran Selenides. ChemistrySelect 2021. [DOI: 10.1002/slct.202104072] [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)
- Paola S. Hellwig
- Laboratório de Síntese Orgânica Limpa – LASOL CCQFA Universidade Federal de Pelotas – UFPel P.O. Box 354 96010-900 Pelotas RS Brazil
| | - Angelita M. Barcellos
- Laboratório de Síntese Orgânica Limpa – LASOL CCQFA Universidade Federal de Pelotas – UFPel P.O. Box 354 96010-900 Pelotas RS Brazil
| | - Carolina G. Furst
- Department of Chemistry Universidade Federal de Minas Gerais - UFMG Belo Horizonte MG Brazil
| | - Eduardo E. Alberto
- Department of Chemistry Universidade Federal de Minas Gerais - UFMG Belo Horizonte MG Brazil
| | - Gelson Perin
- Laboratório de Síntese Orgânica Limpa – LASOL CCQFA Universidade Federal de Pelotas – UFPel P.O. Box 354 96010-900 Pelotas RS Brazil
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13
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Chen L, Hou J, Zheng M, Zhan LW, Tang WY, Li BD. Carbonylative coupling of simple alkanes and alkenes enabled by organic photoredox catalysis. Chem Commun (Camb) 2021; 57:10210-10213. [PMID: 34523655 DOI: 10.1039/d1cc04138j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A visible-light-driven direct carbonylative coupling of simple alkanes and alkenes via the combination of a hydrogen atom transfer process and photoredox catalysis has been demonstrated. Employing the N-alkoxyazinium salt as the oxidant and the precursor of an oxygen radical, a variety of α,β-unsaturated ketones could be obtained in a metal-free fashion.
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Affiliation(s)
- Ling Chen
- College of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Jing Hou
- College of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Ming Zheng
- College of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Le-Wu Zhan
- College of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Wan-Ying Tang
- College of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Bin-Dong Li
- College of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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14
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Bonner A, Loftus A, Padgham AC, Baumann M. Forgotten and forbidden chemical reactions revitalised through continuous flow technology. Org Biomol Chem 2021; 19:7737-7753. [PMID: 34549240 DOI: 10.1039/d1ob01452h] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Continuous flow technology has played an undeniable role in enabling modern chemical synthesis, whereby a myriad of reactions can now be performed with greater efficiency, safety and control. As flow chemistry furthermore delivers more sustainable and readily scalable routes to important target structures a growing number of industrial applications are being reported. In this review we highlight the impact of flow chemistry on revitalising important chemical reactions that were either forgotten soon after their initial report as necessary improvements were not realised due to a lack of available technology, or forbidden due to unacceptable safety concerns relating to the experimental procedure. In both cases flow processing in combination with further reaction optimisation has rendered a powerful set of tools that make such transformations not only highly efficient but moreover very desirable due to a more streamlined construction of desired scaffolds. This short review highlights important contributions from academic and industrial laboratories predominantly from the last 5 years allowing the reader to gain an appreciation of the impact of flow chemistry.
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Affiliation(s)
- Arlene Bonner
- School of Chemistry, University College Dublin, Science Centre South, D04 N2E5, Dublin, Ireland.
| | - Aisling Loftus
- School of Chemistry, University College Dublin, Science Centre South, D04 N2E5, Dublin, Ireland.
| | - Alex C Padgham
- School of Chemistry, University College Dublin, Science Centre South, D04 N2E5, Dublin, Ireland.
| | - Marcus Baumann
- School of Chemistry, University College Dublin, Science Centre South, D04 N2E5, Dublin, Ireland.
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15
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Cai B, Cheo HW, Liu T, Wu J. Light‐Promoted Organic Transformations Utilizing Carbon‐Based Gas Molecules as Feedstocks. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202010710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Bin Cai
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Han Wen Cheo
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Tao Liu
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Jie Wu
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
- National University of Singapore (Suzhou) Research Institute 377 Lin Quan Street, Suzhou Industrial Park Suzhou Jiangsu 215123 P. R. China
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16
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Advances in Visible-Light-Mediated Carbonylative Reactions via Carbon Monoxide (CO) Incorporation. Catalysts 2021. [DOI: 10.3390/catal11080918] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The abundant and inexpensive carbon monoxide (CO) is widely exploited as a C1 source for the synthesis of both fine and bulk chemicals. In this context, photochemical carbonylation reactions have emerged as a powerful tool for the sustainable synthesis of carbonyl-containing compounds (esters, amides, ketones, etc.). This review aims at giving a general overview on visible light-promoted carbonylation reactions in the presence of metal (Palladium, Iridium, Cobalt, Ruthenium, Copper) and organocatalysts as well, highlighting the main features of the presented protocols and providing useful insights on the reaction mechanisms.
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17
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Qi Z, Li L, Liang YK, Ma AJ, Zhang XZ, Peng JB. Visible-Light-Induced Carbonylation of Indoles with Phenols under Metal-Free Conditions: Synthesis of Indole-3-carboxylates. Org Lett 2021; 23:4769-4773. [PMID: 34060850 DOI: 10.1021/acs.orglett.1c01494] [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 visible-light-induced carbonylation of indoles with phenols for the synthesis of indole-3-carboxylates has been developed. The reaction proceeded via a radical carbonylation process in which elementary I2 was used as an effective photosensitive initiator and, thus, avoided the use of transition metal catalysts. A series of different aryl indole-3-carboxylates were prepared in moderate to good yields. The broad applicability of this methodology was further highlighted by the late-stage functionalization of several phenol-containing natural products and pharmaceuticals.
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Affiliation(s)
- Zhuang Qi
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Lin Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Ying-Kang Liang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Ai-Jun Ma
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Xiang-Zhi Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Jin-Bao Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
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18
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Chen T, Zheng R, Yu J. An efficient approach to 3-thioether-functionalized 2,3-dihydrobenzofurans via a metal-free intramolecular radical cyclization/thiolation cascade reaction. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1927098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Tingting Chen
- School of Pharmaceutical and Materials Engineering, Taizhou University, Taizhou, People’s Republic of China
| | - Renhua Zheng
- School of Pharmaceutical and Materials Engineering, Taizhou University, Taizhou, People’s Republic of China
| | - Jingmiao Yu
- School of Pharmaceutical and Materials Engineering, Taizhou University, Taizhou, People’s Republic of China
- Institute for Advanced Studies, Taizhou University, Taizhou, People’s Republic of China
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19
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Meyer T, Rabeah J, Brückner A, Wu XF. Visible-Light-Induced Palladium-Catalyzed Dehydrogenative Carbonylation of Amines to Oxalamides. Chemistry 2021; 27:5642-5647. [PMID: 33565685 DOI: 10.1002/chem.202100009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 02/08/2021] [Indexed: 12/23/2022]
Abstract
The palladium-catalyzed oxidative carbonylation of amines toward the synthesis of oxalamides has been established around 30 years ago and it usually needs the presence of (over)stoichiometric amounts of oxidant. In this work, the first transformation of this type in which the oxidant was replaced by visible light is described. The new approach uses a simple robust Pd complex, which can even be partially recycled. A mechanistic reason is provided and supported by control experiments and EPR studies, showing that PdI was formed and Pd0 was the active species. Both nitrogen- and the intermediate acyl radical can be detected. Moreover, the formation of hydrogen was confirmed by gas GC.
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Affiliation(s)
- Tim Meyer
- Leibniz-Institut für Katalyse e.V., Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Jabor Rabeah
- Leibniz-Institut für Katalyse e.V., Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Angelika Brückner
- Leibniz-Institut für Katalyse e.V., Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Xiao-Feng Wu
- Leibniz-Institut für Katalyse e.V., Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany.,Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, Liaoning, P. R. China
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20
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Cai B, Cheo HW, Liu T, Wu J. Light-Promoted Organic Transformations Utilizing Carbon-Based Gas Molecules as Feedstocks. Angew Chem Int Ed Engl 2021; 60:18950-18980. [PMID: 33002315 DOI: 10.1002/anie.202010710] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Indexed: 12/13/2022]
Abstract
Carbon-based gas molecules are readily available feedstocks and are widely used in industry as building blocks or fuels. However, their application in the synthesis of fine chemicals has been hampered due to operational complexity, poor reaction efficiency and selectivity. Recent development of photoredox-promoted transformations using such gaseous reagents has received considerable attention from the synthetic community. In this review, efforts in developing light-promoted organic transformations using carbon-based natural gases as C1 or C2 feedstocks and to overcome the associated challenges are briefly summarized.
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Affiliation(s)
- Bin Cai
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California, 92037, USA
| | - Han Wen Cheo
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore
| | - Tao Liu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore
| | - Jie Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore.,National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, P. R. China
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21
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Hosseini-Sarvari M, Akrami Z. Solar and visible-light active nano Ni/g-C 3N 4 photocatalyst for carbon monoxide (CO) and ligand-free carbonylation reactions. Catal Sci Technol 2021. [DOI: 10.1039/d0cy01717e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, we investigate the amino and alkoxycarbonylation reaction between various substituted aryl halides, benzyl iodides, and iodocyclohexane with different types of amines and alcohols in the absence of carbon monoxide gas and ligands.
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Affiliation(s)
| | - Zahra Akrami
- Department of Chemistry
- Shiraz University
- Shiraz 7194684795
- I.R. Iran
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22
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Singh J, Sharma S, Sharma A. Photocatalytic Carbonylation Strategies: A Recent Trend in Organic Synthesis. J Org Chem 2020; 86:24-48. [DOI: 10.1021/acs.joc.0c02205] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Jitender Singh
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Shivani Sharma
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Anuj Sharma
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
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23
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Xie S, Li Y, Liu P, Sun P. Visible Light-Induced Radical Addition/Annulation to Construct Phenylsulfonyl-Functionalized Dihydrobenzofurans Involving an Intramolecular 1,5-Hydrogen Atom Transfer Process. Org Lett 2020; 22:8774-8779. [PMID: 33147046 DOI: 10.1021/acs.orglett.0c03038] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A visible light-induced radical cascade reaction of 2-alkynylarylethers with sodium sulfinates was established for the synthesis of sulfonyl-functionalized dihydrobenzofurans, and an intramolecular 1,5-hydrogen atom transfer was involved in this transformation. This process provided an efficient and convenient C-C formation protocol for the construction of a dihydrobenzofuran ring. Various substituents on 2-alkynylarylethers and sodium sulfinates were tolerated in the reaction, and the corresponding products were obtained in moderate to good yields.
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Affiliation(s)
- Shentong Xie
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Yifan Li
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Ping Liu
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Peipei Sun
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, P. R. China
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24
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Cheng H, Lam T, Liu Y, Tang Z, Che C. Photoinduced Hydroarylation and Cyclization of Alkenes with Luminescent Platinum(II) Complexes. Angew Chem Int Ed Engl 2020; 60:1383-1389. [DOI: 10.1002/anie.202011841] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Hanchao Cheng
- Department of Chemistry Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
- Hefei National Laboratory for Physical Sciences at Microscale Department of Chemistry University of Science and Technology of China Hefei 230026 P. R. China
| | - Tsz‐Lung Lam
- State Key Laboratory of Synthetic Chemistry Department of Chemistry University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Yungen Liu
- Department of Chemistry Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
| | - Zhou Tang
- State Key Laboratory of Synthetic Chemistry Department of Chemistry University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Chi‐Ming Che
- Department of Chemistry Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
- State Key Laboratory of Synthetic Chemistry Department of Chemistry University of Hong Kong Pokfulam Road Hong Kong P. R. China
- HKU Shenzhen Institute of Research and Innovation Shenzhen Guangdong 518057 P. R. China
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25
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Cheng H, Lam T, Liu Y, Tang Z, Che C. Photoinduced Hydroarylation and Cyclization of Alkenes with Luminescent Platinum(II) Complexes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011841] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Hanchao Cheng
- Department of Chemistry Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
- Hefei National Laboratory for Physical Sciences at Microscale Department of Chemistry University of Science and Technology of China Hefei 230026 P. R. China
| | - Tsz‐Lung Lam
- State Key Laboratory of Synthetic Chemistry Department of Chemistry University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Yungen Liu
- Department of Chemistry Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
| | - Zhou Tang
- State Key Laboratory of Synthetic Chemistry Department of Chemistry University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Chi‐Ming Che
- Department of Chemistry Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
- State Key Laboratory of Synthetic Chemistry Department of Chemistry University of Hong Kong Pokfulam Road Hong Kong P. R. China
- HKU Shenzhen Institute of Research and Innovation Shenzhen Guangdong 518057 P. R. China
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26
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Forni JA, Micic N, Connell TU, Weragoda G, Polyzos A. Tandem Photoredox Catalysis: Enabling Carbonylative Amidation of Aryl and Alkylhalides. Angew Chem Int Ed Engl 2020; 59:18646-18654. [PMID: 32621297 DOI: 10.1002/anie.202006720] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Indexed: 12/18/2022]
Abstract
We report a new visible-light-mediated carbonylative amidation of aryl, heteroaryl, and alkyl halides. A tandem catalytic cycle of [Ir(ppy)2 (dtb-bpy)]+ generates a potent iridium photoreductant through a second catalytic cycle in the presence of DIPEA, which productively engages aryl bromides, iodides, and even chlorides as well as primary, secondary, and tertiary alkyl iodides. The versatile in situ generated catalyst is compatible with aliphatic and aromatic amines, shows high functional-group tolerance, and enables the late-stage amidation of complex natural products.
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Affiliation(s)
- José A Forni
- School of Chemistry, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Nenad Micic
- School of Chemistry, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Timothy U Connell
- School of Science, RMIT University, Melbourne, Victoria, 3000, Australia
| | - Geethika Weragoda
- CSIRO Manufacturing, Research Way, Clayton, Victoria, 3168, Australia
| | - Anastasios Polyzos
- School of Chemistry, The University of Melbourne, Melbourne, Victoria, 3010, Australia.,CSIRO Manufacturing, Research Way, Clayton, Victoria, 3168, Australia
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27
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Han S, Kashfipour MA, Ramezani M, Abolhasani M. Accelerating gas-liquid chemical reactions in flow. Chem Commun (Camb) 2020; 56:10593-10606. [PMID: 32785297 DOI: 10.1039/d0cc03511d] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Over the past decade, continuous flow reactors have emerged as a powerful tool for accelerated fundamental and applied studies of gas-liquid reactions, offering facile gas delivery and process intensification. In particular, unique features of highly gas-permeable tubular membranes in flow reactors (i.e., tube-in-tube flow reactor configuration) have been exploited as (i) an efficient analytic tool for gas-liquid solubility and diffusivity measurements and (ii) reliable gas delivery/generation strategy, providing versatile adaptability for a wide range of gas-liquid processes. The tube-in-tube flow reactors have been successfully adopted for rapid exploration of a wide range of gas-liquid reactions (e.g., amination, carboxylation, carbonylation, hydrogenation, ethylenation, oxygenation) using gaseous species both as the reactant and the product, safely handling toxic and flammable gases or unstable intermediate compounds. In this highlight, we present an overview of recent developments in the utilization of such intensified flow reactors within modular flow chemistry platforms for different gas-liquid processes involving carbon dioxide, oxygen, and other gases. We provide a detailed step-by-step guideline for robust assembly and safe operation of tube-in-tube flow reactors. We also discuss the current challenges and potential future directions for further development and utilization of tubular membrane-based flow reactors for gas-liquid processes.
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Affiliation(s)
- Suyong Han
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC 27695, USA.
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28
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Abstract
Visible light photocatalytic radical carbonylation has been established as a robust tool for the efficient synthesis of carbonyl-containing compounds. Acyl radicals serve as the key intermediates in these useful transformations and can be generated from the addition of alkyl or aryl radicals to carbon monoxide (CO) or various acyl radical precursors such as aldehydes, carboxylic acids, anhydrides, acyl chlorides or α-keto acids. In this review, we aim to summarize the impact of visible light-induced acyl radical carbonylation reactions on the synthesis of oxygen and nitrogen heterocycles. The discussion is mainly categorized based on different types of acyl radical precursors.
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29
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Forni JA, Micic N, Connell TU, Weragoda G, Polyzos A. Tandem Photoredox Catalysis: Enabling Carbonylative Amidation of Aryl and Alkylhalides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006720] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- José A. Forni
- School of Chemistry The University of Melbourne Melbourne Victoria 3010 Australia
| | - Nenad Micic
- School of Chemistry The University of Melbourne Melbourne Victoria 3010 Australia
| | | | | | - Anastasios Polyzos
- School of Chemistry The University of Melbourne Melbourne Victoria 3010 Australia
- CSIRO Manufacturing Research Way Clayton Victoria 3168 Australia
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30
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Affiliation(s)
- Jin‐Bao Peng
- School of Biotechnology and Health SciencesWuyi University Jiangmen, Guangdong 529020 People's Republic of China
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31
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32
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Lu B, Cheng Y, Chen LY, Chen JR, Xiao WJ. Photoinduced Copper-Catalyzed Radical Aminocarbonylation of Cycloketone Oxime Esters. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02830] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Bin Lu
- International Joint Research Center for Intelligent Biosensing Technology and Health, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
| | - Ying Cheng
- International Joint Research Center for Intelligent Biosensing Technology and Health, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
| | - Li-Yan Chen
- International Joint Research Center for Intelligent Biosensing Technology and Health, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
| | - Jia-Rong Chen
- International Joint Research Center for Intelligent Biosensing Technology and Health, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
| | - Wen-Jing Xiao
- International Joint Research Center for Intelligent Biosensing Technology and Health, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, 345 Lingling Road, Shanghai 200032, China
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33
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Li L, Guo S, Wang Q, Zhu J. Acyl Radicals from Benzothiazolines: Synthons for Alkylation, Alkenylation, and Alkynylation Reactions. Org Lett 2019; 21:5462-5466. [DOI: 10.1021/acs.orglett.9b01717] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Lei Li
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Chemistry for Life Sciences, Nanjing University, Nanjing 210023, China
| | - Shan Guo
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Chemistry for Life Sciences, Nanjing University, Nanjing 210023, China
| | - Qi Wang
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Chemistry for Life Sciences, Nanjing University, Nanjing 210023, China
| | - Jin Zhu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Chemistry for Life Sciences, Nanjing University, Nanjing 210023, China
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34
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Cartier A, Levernier E, Corcé V, Fukuyama T, Dhimane A, Ollivier C, Ryu I, Fensterbank L. Carbonylation of Alkyl Radicals Derived from Organosilicates through Visible‐Light Photoredox Catalysis. Angew Chem Int Ed Engl 2019; 58:1789-1793. [DOI: 10.1002/anie.201811858] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Alex Cartier
- Department of ChemistryGraduate School of ScienceOsaka Prefecture University Sakai Osaka 599-8531 Japan
| | - Etienne Levernier
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
| | - Vincent Corcé
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
| | - Takahide Fukuyama
- Department of ChemistryGraduate School of ScienceOsaka Prefecture University Sakai Osaka 599-8531 Japan
| | - Anne‐Lise Dhimane
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
| | - Cyril Ollivier
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
| | - Ilhyong Ryu
- Department of ChemistryGraduate School of ScienceOsaka Prefecture University Sakai Osaka 599-8531 Japan
- Department of Applied ChemistryNational Chiao Tung University Hsinchu Taiwan
| | - Louis Fensterbank
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
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35
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Cartier A, Levernier E, Corcé V, Fukuyama T, Dhimane A, Ollivier C, Ryu I, Fensterbank L. Carbonylation of Alkyl Radicals Derived from Organosilicates through Visible‐Light Photoredox Catalysis. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201811858] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Alex Cartier
- Department of ChemistryGraduate School of ScienceOsaka Prefecture University Sakai Osaka 599-8531 Japan
| | - Etienne Levernier
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
| | - Vincent Corcé
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
| | - Takahide Fukuyama
- Department of ChemistryGraduate School of ScienceOsaka Prefecture University Sakai Osaka 599-8531 Japan
| | - Anne‐Lise Dhimane
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
| | - Cyril Ollivier
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
| | - Ilhyong Ryu
- Department of ChemistryGraduate School of ScienceOsaka Prefecture University Sakai Osaka 599-8531 Japan
- Department of Applied ChemistryNational Chiao Tung University Hsinchu Taiwan
| | - Louis Fensterbank
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire 4 Place Jussieu, CC 229 75252 Paris Cedex 05 France
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36
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Borra S, Chandrasekhar D, Newar UD, Maurya RA. Access to 2,3-Fused Pyrroles via Visible Light Driven Coupling of α-Azidochalcones with 1/2-Naphthols, or 2-Hydroxy-1,4-Naphthoquinone. J Org Chem 2018; 84:1042-1052. [PMID: 30547589 DOI: 10.1021/acs.joc.8b02459] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
α-Azidochalcones were coupled with 1/2-naphthols or 2-hydroxy-1,4-naphthoquinone using Ru(bpy)3(PF6)2 as a photocatalyst under blue LED light irradiation to yield 2,3-fused pyrroles in high yields (68-84%). The overall transformation involves photosensitized decomposition of α-azidochalcones into highly reactive 2 H-azirines which are trapped by 1/2-naphthols or 2-hydroxy-1,4-naphthoquinone, leading to the construction of two new C-N and one new C-C bonds.
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Affiliation(s)
- Satheesh Borra
- Applied Organic Chemistry Group, Chemical Sciences & Technology Division , CSIR-North East Institute of Science & Technology (NEIST) , Jorhat - 785006 , Assam , India.,Academy of Scientific and Innovative Research (AcSIR) , CSIR-NEIST Jorhat - 785006 , Assam , India
| | - D Chandrasekhar
- Applied Organic Chemistry Group, Chemical Sciences & Technology Division , CSIR-North East Institute of Science & Technology (NEIST) , Jorhat - 785006 , Assam , India.,Academy of Scientific and Innovative Research (AcSIR) , CSIR-NEIST Jorhat - 785006 , Assam , India
| | - Uma Devi Newar
- Applied Organic Chemistry Group, Chemical Sciences & Technology Division , CSIR-North East Institute of Science & Technology (NEIST) , Jorhat - 785006 , Assam , India
| | - Ram Awatar Maurya
- Applied Organic Chemistry Group, Chemical Sciences & Technology Division , CSIR-North East Institute of Science & Technology (NEIST) , Jorhat - 785006 , Assam , India.,Academy of Scientific and Innovative Research (AcSIR) , CSIR-NEIST Jorhat - 785006 , Assam , India
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