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Cao S, Kim D, Lee W, Hong S. Photocatalytic Enantioselective Hydrosulfonylation of α,β-Unsaturated Carbonyls with Sulfonyl Chlorides. Angew Chem Int Ed Engl 2023; 62:e202312780. [PMID: 37782249 DOI: 10.1002/anie.202312780] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/03/2023]
Abstract
This research explores the enantioselective hydrosulfonylation of various α,β-unsaturated carbonyl compounds via the use of visible light and redox-active chiral Ni-catalysis, facilitating the synthesis of enantioenriched α-chiral sulfones with remarkable enantioselectivity (exceeding 99 % ee). A significant challenge entails enhancing the reactivity between chiral metal-coordinated carbonyl compounds and moderate electrophilic sulfonyl radicals, aiming to minimize the background reactions. The success of our approach stems from two distinctive attributes: 1) the Cl-atom abstraction employed for sulfonyl radical generation from sulfonyl chlorides, and 2) the single-electron reduction to produce a key enolate radical Ni-complex. The latter process appears to enhance the feasibility of the sulfonyl radical's addition to the electron-rich enolate radical. An in-depth investigation into the reaction mechanism, supported by both experimental observations and theoretical analysis, offers insight into the intricate reaction process. Moreover, the versatility of our methodology is highlighted through its successful application in the late-stage functionalization of complex bioactive molecules, demonstrating its practicality as a strategy for producing α-chiral sulfones.
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Affiliation(s)
- Shi Cao
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon, 34141, Republic of Korea
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Doyoung Kim
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon, 34141, Republic of Korea
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Wooseok Lee
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon, 34141, Republic of Korea
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Sungwoo Hong
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon, 34141, Republic of Korea
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
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Tu YL, Zhang BB, Qiu BS, Wang ZX, Chen XY. Cross-Electrophile C-P III Coupling of Chlorophosphines with Organic Halides: Photoinduced P III and Aminoalkyl Radical Generation Enabled by Pnictogen Bonding. Angew Chem Int Ed Engl 2023; 62:e202310764. [PMID: 37668107 DOI: 10.1002/anie.202310764] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/04/2023] [Accepted: 09/05/2023] [Indexed: 09/06/2023]
Abstract
Pnictogen bonding (PnB) has gained recognition as an appealing strategy for constructing novel architectures and unlocking new properties. Within the synthetic community, the development of a straightforward and much simpler protocol for cross-electrophile C-PIII coupling remains an ongoing challenge with organic halides. In this study, we present a simple strategy for photoinduced PnB-enabled cross-electrophile C-PIII couplings using readily available chlorophosphines and organic halides via merging single electron transfer (SET) and halogen atom transfer (XAT) processes. In this photomediated transformation, the PnB formed between chlorophosphines and alkyl amines facilitates the photogeneration of PIII radicals and α-aminoalkyl radicals through SET. Subsequently, the resulting α-aminoalkyl radicals activate C-X bonds via XAT, leading to the formation of carbon radicals. This methodology offers operational simplicity and compatibility with both aliphatic and aromatic chlorophosphines and organic halides.
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Affiliation(s)
- Yong-Liang Tu
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Bei-Bei Zhang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Bing-Sheng Qiu
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhi-Xiang Wang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing, 100049, China
- Binzhou Institute of Technology, Weiqiao-UCAS Science and Technology Park, Binzhou, Shandong Province, 256606, China
| | - Xiang-Yu Chen
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing, 100049, China
- Binzhou Institute of Technology, Weiqiao-UCAS Science and Technology Park, Binzhou, Shandong Province, 256606, China
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Bellotti P, Huang HM, Faber T, Laskar R, Glorius F. Catalytic defluorinative ketyl-olefin coupling by halogen-atom transfer. Chem Sci 2022; 13:7855-7862. [PMID: 35865891 PMCID: PMC9258324 DOI: 10.1039/d2sc02732a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 06/09/2022] [Indexed: 12/11/2022] Open
Abstract
Ketyl–olefin coupling reactions stand as one of the fundamental chemical transformations in synthetic chemistry and have been widely employed in the generation of complex molecular architectures and natural product synthesis. However, catalytic ketyl–olefin coupling, until the recent development of photoredox chemistry and electrosynthesis through single-electron transfer mechanisms, has remained largely undeveloped. Herein, we describe a new approach to achieve catalytic ketyl–olefin coupling reactions by a halogen-atom transfer mechanism, which provides innovative and efficient access to various gem-difluorohomoallylic alcohols under mild conditions with broad substrate scope. Preliminary mechanistic experimental and computational studies demonstrate that this radical-to-polar crossover transformation could be achieved by sequentially orchestrated Lewis acid activation, halogen-atom transfer, radical addition, single-electron reduction and β-fluoro elimination. A catalytic ketyl–olefin coupling reaction including sequentially orchestrated Lewis acid activation, halogen-atom transfer, radical addition, single-electron reduction and β-fluoro elimination has been developed.![]()
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Affiliation(s)
- Peter Bellotti
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 48149 Münster Germany
| | - Huan-Ming Huang
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 48149 Münster Germany .,School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Teresa Faber
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 48149 Münster Germany
| | - Ranjini Laskar
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 48149 Münster Germany
| | - Frank Glorius
- Westfälische Wilhelms-Universität Münster, Organisch-Chemisches Institut Corrensstraße 36 48149 Münster Germany
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5
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Li H, He Y, Zhang D, Yang L, Zhang J, Long RL, Lu J, Wei J, Yang L, Wei S, Yi D, Zhang Z, Fu Q. Hydrogen bond serving as a protecting group to enable the photocatalytic [2+2] cycloaddition of redox-active aliphatic-amine-containing indole derivatives. Chem Commun (Camb) 2022; 58:3194-3197. [PMID: 35171972 DOI: 10.1039/d1cc06935g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Redox-sensitive functionalities such as aliphatic amines with low oxidation potentials and easily oxidized by photocatalysts are generally not compatible with photocatalytic reactions. We describe a hydrogen-bond-assisted visible-light-mediated [2+2] cycloaddition of redox-sensitive aliphatic-amine-containing indole derivatives providing a range of cyclobutane-fused polycyclic indoline derivatives, especially bridged-cyclic indolines. Mechanistic studies indicated that the success of the reaction was based on on the formation of H-bonds between the N-atom and alcohol proton of TFE or HFIP, with this formation preventing or blocking the single-electron transfer from the aliphatic amine functionality to the excited photocatalyst.
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Affiliation(s)
- Hao Li
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Yishu He
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Di Zhang
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Li Yang
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China. .,Department of Pharmacy, Chengdu Seventh People's Hospital, Chengdu 610000, China
| | - Jiarui Zhang
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Rui-Ling Long
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Ji Lu
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Jun Wei
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Lin Yang
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Siping Wei
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Dong Yi
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China. .,State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Zhijie Zhang
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
| | - Qiang Fu
- School of Pharmacy, Southwest Medical University, Luzhou 646000, China. .,Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
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Yuan F, Yan D, Gao P, Shi D, Xiao W, Chen J. Photoredox‐Catalyzed Multicomponent Cyclization of 2‐Vinyl Phenols,
N
‐Alkoxypyridinium Salts, and Sulfur Ylides for Synthesis of Dihydrobenzofurans. ChemCatChem 2020. [DOI: 10.1002/cctc.202001589] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Fan Yuan
- CCNU-uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 P. R. China
| | - Dong‐Mei Yan
- CCNU-uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 P. R. China
| | - Pan‐Pan Gao
- CCNU-uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 P. R. China
| | - De‐Qing Shi
- CCNU-uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 P. R. China
| | - Wen‐Jing Xiao
- CCNU-uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 P. R. China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry 345 Lingling Road Shanghai 200032 P. R. China
| | - Jia‐Rong Chen
- CCNU-uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 P. R. China
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Pan S, Jiang M, Zhong G, Dai L, Zhou Y, Wei K, Zeng X. Visible-light-induced selectivity controllable synthesis of diamine or imidazoline derivatives by multicomponent decarboxylative radical coupling reactions. Org Chem Front 2020. [DOI: 10.1039/d0qo01028f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A visible-light-induced and photoredox-catalyzed three-component selectivity controllable synthesis of vicinal diamines and imidazoles from readily available starting materials under mild reaction conditions has been realized.
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Affiliation(s)
- Shulei Pan
- College of Materials
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Min Jiang
- College of Materials
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Guofu Zhong
- College of Materials
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Linlong Dai
- College of Materials
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Yu Zhou
- College of Materials
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Kaihang Wei
- College of Materials
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
| | - Xiaofei Zeng
- College of Materials
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- China
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