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He X, Zhang YY, Shou JY, Chu L, Qing FL. Synthesis of Hexafluoroisopropyl Aryl Ethers via Dual Photoredox/Nickel-Catalyzed C-O Coupling. Org Lett 2024. [PMID: 39085752 DOI: 10.1021/acs.orglett.4c02553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
Herein we report a photoredox/nickel-catalyzed cross-coupling of aryl bromides with 1,1,1,3,3,3-hexafluoroisopropanol for the construction of hexafluoroisopropyl aryl ethers. The mild reaction conditions employed allow for the applicability of a wide range of aryl and heteroaryl bromides. Late-stage functionalization and preliminary mechanistic studies have been demonstrated.
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Affiliation(s)
- Xu He
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Yu-Yang Zhang
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Jia-Yi Shou
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Lingling Chu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry and Chemical Engineering, Center for Advanced Low-Dimension Materials, Donghua University, Shanghai 201620, China
| | - Feng-Ling Qing
- Key Laboratory of Fluorine and Nitrogen Chemistry and Advanced Materials, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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2
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Wu F, Tang C, Li X, Li N, Liu M, Li D, Dai R, Shen X, Zhai H. Metal-free iodination of arylaldehydes for total synthesis of aristogins A-F and hernandial. Org Biomol Chem 2024; 22:4667-4671. [PMID: 38804830 DOI: 10.1039/d4ob00603h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Iodine is one of the most effective sources for iodination of aromatic compounds; however, its electrophilicity is insufficient for direct iodination. The selection of appropriate environmentally friendly and cost-effective oxidants in combination with iodine for the iodination of aromatic rings, along with its application in the synthesis of natural products, holds significant importance. A highly efficient method utilizing I(III) as the initiator has been successfully developed for monoiodination of arylaldehydes. The method demonstrates good compatibility with a wide range of (hetero)aromatic aldehydes, resulting in moderate to excellent yields, without the need for any toxic, volatile or explosive reagents. The synthesis of seven natural products, namely aristogins A-F and hernandial, was achieved through this iodination followed by Ullmann-type coupling.
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Affiliation(s)
- Fufang Wu
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Chunmei Tang
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Xuejian Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Nan Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Miao Liu
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Danqin Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Rongrong Dai
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Xiaobao Shen
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Hongbin Zhai
- State Key Laboratory of Chemical Oncogenomics, Shenzhen Engineering Laboratory of Nano Drug Slow-Release, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
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Dutta S, Erchinger JE, Strieth-Kalthoff F, Kleinmans R, Glorius F. Energy transfer photocatalysis: exciting modes of reactivity. Chem Soc Rev 2024; 53:1068-1089. [PMID: 38168974 DOI: 10.1039/d3cs00190c] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Excited (triplet) states offer a myriad of attractive synthetic pathways, including cycloadditions, selective homolytic bond cleavages and strain-release chemistry, isomerizations, deracemizations, or the fusion with metal catalysis. Recent years have seen enormous advantages in enabling these reactivity modes through visible-light-mediated triplet-triplet energy transfer catalysis (TTEnT). This tutorial review provides an overview of this emerging strategy for synthesizing sought-after organic motifs in a mild, selective, and sustainable manner. Building on the photophysical foundations of energy transfer, this review also discusses catalyst design, as well as the challenges and opportunities of energy transfer catalysis.
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Affiliation(s)
- Subhabrata Dutta
- University of Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149 Münster, Germany.
| | - Johannes E Erchinger
- University of Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149 Münster, Germany.
| | - Felix Strieth-Kalthoff
- University of Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149 Münster, Germany.
| | - Roman Kleinmans
- University of Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149 Münster, Germany.
| | - Frank Glorius
- University of Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149 Münster, Germany.
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4
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Palkowitz MD, Emmanuel MA, Oderinde MS. A Paradigm Shift in Catalysis: Electro- and Photomediated Nickel-Catalyzed Cross-Coupling Reactions. Acc Chem Res 2023; 56:2851-2865. [PMID: 37772915 DOI: 10.1021/acs.accounts.3c00479] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
ConspectusTransition-metal catalyzed cross-coupling reactions are fundamental reactions in organic chemistry, facilitating strategic bond formations for accessing natural products, organic materials, agrochemicals, and pharmaceuticals. Redox chemistry enables access to elusive cross-coupling mechanisms through single-electron processes as an alternative to classical two-electron strategies predominated by palladium catalysis. The seminal reports of Baran, MacMillan, Doyle, Molander, Weix, Lin, Fu, Reisman, and others in merging redox perturbation (photochemical, electrochemical, and purely chemical) with catalysis are pivotal to the current resurgence and mechanistic understanding of first-row transition metal-based catalysis. The hallmark of this redox platform is the systematic modulation of transition-metal oxidation states by a photoredox catalyst or at a heterogeneous electrode surface. Electrocatalysis and photocatalysis enhance transition metal catalysis' capacity for bond formation through electron- or energy-transfer processes that promote otherwise challenging elementary steps or elusive mechanisms. Cross-coupling conditions promoted by electrocatalysis and photocatalysis are mild, and bond formation proceeds with exceptionally high chemoselectivity and wide functional group tolerance. The interfacing of abundant first-row transition-metal catalysis with electrocatalysis and photocatalysis has brought about a paradigm shift in cross-coupling technology as practitioners are quickly applying these tools in synthesizing fine chemicals and pharmaceutically relevant motifs. In particular, the merger of Ni catalysis with electro- and photochemistry ushered in a new era for carbon-carbon and carbon-heteroatom cross-couplings with expanded generality compared to their thermally driven counterparts. Over the past decade, we have developed enabling photo- and electrochemical methods throughout our combined research experience in industry (BMS, AstraZeneca) and academia (Professor Baran, Scripps Research) in cross-disciplinary collaborative environments. In this Account, we will outline recent progress from our past and present laboratories in photo- and electrochemically mediated Ni-catalyzed cross-couplings. By highlighting these cross-coupling methodologies, we will also compare mechanistic features of both electro- and photochemical strategies for forging C(sp2)-C(sp3), C(sp3)-C(sp3), C-O, C-N, and C-S bonds. Through these side-by-side comparisons, we hope to demystify the subtle differences between the two complementary tools to enact redox control over transition metal catalysis. Finally, building off the collective experience of ourselves and the rest of the community, we propose a tactical user guide to photo- and electrochemically driven cross-coupling reactions to aid the practitioner in rapidly applying such tools in their synthetic designs.
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Affiliation(s)
- Maximilian D Palkowitz
- Small Molecule Drug Discovery, Bristol Myers Squibb, 250 Water Street, Cambridge, Massachusetts 02141, United States
| | - Megan A Emmanuel
- Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08901, United States
| | - Martins S Oderinde
- Small Molecule Discovery Chemistry, Bristol Myers Squibb Research & Early Development, Route 206 & Province Line Road, Princeton, New Jersey 08543, United States
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5
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Elwahy AHM, Ginidi ARS, Shaaban MR, Farag AM, Salem ME. Synthesis of novel bis-thiazoles, bis-thienopyridines, and bis-triazolothiadiazines linked to diphenyl ether core as novel hybrid molecules. SYNTHETIC COMMUN 2023. [DOI: 10.1080/00397911.2023.2179405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Affiliation(s)
- Ahmed H. M. Elwahy
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed R. S. Ginidi
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Mohamed R. Shaaban
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed M. Farag
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Mostafa E. Salem
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
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6
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Bodé NE, McGuire RT, Stradiotto M. Bisphosphine/Nickel-Catalyzed C–O Cross-Coupling of Phenols with Chloropyridine and Related Electrophiles. Org Lett 2022; 24:8986-8989. [DOI: 10.1021/acs.orglett.2c03587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Nicholas E. Bodé
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. 15000, Halifax, Nova Scotia B3H 4R2, Canada
| | - Ryan T. McGuire
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. 15000, Halifax, Nova Scotia B3H 4R2, Canada
| | - Mark Stradiotto
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. 15000, Halifax, Nova Scotia B3H 4R2, Canada
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7
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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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8
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Almansa A, Jardel D, Massip S, Tassaing T, Schatz C, Domergue J, Molton F, Duboc C, Vincent JM. Dual Photoredox Ni/Benzophenone Catalysis: A Study of the Ni II Precatalyst Photoreduction Step. J Org Chem 2022; 87:11172-11184. [PMID: 35946789 DOI: 10.1021/acs.joc.2c01467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The combination of NiIIX2 salts with a bipyridine-type ligand and aromatic carbonyl-based chromophores has emerged as a benchmark precatalytic system to efficiently conduct cross-couplings mediated by light. Mechanistic studies have led to two scenarios in which Ni0 is proposed as the catalytic species. Nonetheless, in none of these studies has a NiII to Ni0 photoreduction been evidenced. By exploiting UV-visible, nuclear magnetic resonance, resonance Raman, electron paramagnetic resonance, and dynamic light scattering spectroscopies and also transmission electron microscopy, we report that, when photolyzed by UVA in alcohols, the structurally defined [NiII2(μ-OH2)(dtbbpy)2(BPCO2)4] complex 1 integrating a benzophenone chromophore is reduced into a diamagnetic NiI dimer of the general formula [NiI2(dtbbpy)2(BPCO2)2]. In marked contrast, in THF, photolysis led to the fast formation of Ni0, which accumulates in the form of metallic ultrathin Ni nanosheets characterized by a mean size of ∼100 nm and a surface plasmon resonance at 505 nm. Finally, it is shown that 1 combined with UVA irradiation catalyzes cross-couplings, that is, C(sp3)-H arylation of THF and O-arylation of methanol. These results are discussed in light of the mechanisms proposed for these cross-couplings with a focus on the oxidation state of the catalytic species.
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Affiliation(s)
- Axel Almansa
- Institut des Sciences Moléculaires (ISM), CNRS UMR 5255, Univ. Bordeaux, 33405 Talence, France
| | - Damien Jardel
- Institut des Sciences Moléculaires (ISM), CNRS UMR 5255, Univ. Bordeaux, 33405 Talence, France
| | - Stéphane Massip
- European Institute of Chemistry and Biology (IECB), Univ. Bordeaux, 33600 Pessac, France
| | - Thierry Tassaing
- Institut des Sciences Moléculaires (ISM), CNRS UMR 5255, Univ. Bordeaux, 33405 Talence, France
| | - Christophe Schatz
- Laboratoire de Chimie des Polymères Organiques (LCPO), CNRS UMR 5629, Univ. Bordeaux, 33607 Pessac Cedex, France
| | - Jérémy Domergue
- Département de Chimie Moléculaire (DCM) CNRS UMR 5250, Univ. Grenoble Alpes, F-38000 Grenoble, France
| | - Florian Molton
- Département de Chimie Moléculaire (DCM) CNRS UMR 5250, Univ. Grenoble Alpes, F-38000 Grenoble, France
| | - Carole Duboc
- Département de Chimie Moléculaire (DCM) CNRS UMR 5250, Univ. Grenoble Alpes, F-38000 Grenoble, France
| | - Jean-Marc Vincent
- Institut des Sciences Moléculaires (ISM), CNRS UMR 5255, Univ. Bordeaux, 33405 Talence, France
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9
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Gore BS, Kuo CY, Wang JJ. Visible light-assisted Ni-/Ir-catalysed atom-economic synthesis of spiro[furan-3,1'-indene] derivatives. Chem Commun (Camb) 2022; 58:4087-4090. [PMID: 35262163 DOI: 10.1039/d2cc00717g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An atom-economic, efficient, and highly convenient construction of spiro[furan-3,1'-indene] skeletons from isocyanides and 1,5-enynes by synergistic nickel- and iridium-photocatalysis is reported. Spirocyclization was developed under practical and mild conditions, which features excellent functional group tolerance, gram-scale synthesis and representative synthetic transformations for the obtained products and broad substrate scope. Primary mechanistic studies demonstrated that the reaction proceeds through energy-transfer-mediated excitation of intermediate catalytic species.
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Affiliation(s)
- Babasaheb Sopan Gore
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan 1st Road, Sanmin District, Kaohsiung City, 807, Taiwan.
| | - Chiao-Ying Kuo
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan 1st Road, Sanmin District, Kaohsiung City, 807, Taiwan.
| | - Jeh-Jeng Wang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan 1st Road, Sanmin District, Kaohsiung City, 807, Taiwan. .,Department of Medical Research, Kaohsiung Medical University, Hospital No. 100, Tzyou 1st Road, Sanmin District, Kaohsiung City, 807, Taiwan
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10
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Luu QH, Li J. A C-to-O atom-swapping reaction sequence enabled by Ni-catalyzed decarbonylation of lactones. Chem Sci 2022; 13:1095-1100. [PMID: 35211275 PMCID: PMC8790783 DOI: 10.1039/d1sc06968c] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 01/06/2022] [Indexed: 12/31/2022] Open
Abstract
Advances in site-selective functionalization reactions have enabled single atom changes on the periphery of a complex molecule, but reaction manifolds that enable such changes on the core framework of the molecule remain sparse. Here, we disclose a strategy for carbon-to-oxygen substitution in cyclic diarylmethanes and diarylketones to yield cyclic diarylethers. Oxygen atom insertion is accomplished by methylene and Baeyer-Villiger oxidations. To remove the carbon atom in this C-to-O "atom swap" process, we developed a nickel-catalyzed decarbonylation of lactones to yield the corresponding cyclic diaryl ethers. This reaction was enabled by mechanistic studies with stoichiometric nickel(ii) complexes that led to the optimization of a ligand capable of promoting a challenging C(sp2)-O(aryl) reductive elimination. The nickel-catalyzed decarbonylation was applied to 6-8 membered lactones (16 examples, 32-99%). Finally, a C-to-O atom-swapping reaction sequence was accomplished on a natural product and a pharmaceutical precursor.
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Affiliation(s)
- Quang H Luu
- Department of Chemistry, Iowa State University Ames IA 50011 USA
| | - Junqi Li
- Department of Chemistry, Iowa State University Ames IA 50011 USA
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Jiang S, Zi-Tong Z, Young DJ, Lu-Lu C, Wu Q, Li HX. Visible-light mediated cross-coupling of aryl halides with sodium sulfinates via carbonyl-photoredox/nickel dual catalysis. Org Chem Front 2022. [DOI: 10.1039/d1qo01850g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoinduced nickel-catalyzed cross-coupling of arylsulfinates (ArSO2−) with (hetero)aryl halides (Ar’-X) via visible light photoexcitation of 2-chloro-thioxanthen-9-one (Cl-TXO) has been achieved in moderate to excellent yields. This photocoupling exhibited a broad...
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12
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Song G, Xue D. Research Progress on Light-Promoted Transition Metal-Catalyzed C-Heteroatom Bond Coupling Reactions. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202202018] [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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