1
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Sau S, Takizawa S, Kim HY, Oh K. Visible Light-Induced Radical Cascade Functionalization of Quinoxalin-2(1 H)-ones: Three-Component 1,2-Di(hetero)arylation Approach with Styrenes and Thianthrenium Salts. Org Lett 2024. [PMID: 39383308 DOI: 10.1021/acs.orglett.4c03565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2024]
Abstract
The additive-free visible light-induced three-component 1,2-di(hetero)arylation of styrenes was developed using quinoxalin-2(1H)-ones and thianthrenium salts. The purple visible light excitable quinoxalin-2(1H)-ones were utilized for the single-electron transfer to aryl thianthrenium salts, where the generated aryl radical species underwent the addition cascade to styrenes and quinoxalin-2(1H)-ones. The direct aryl radical addition to quinoxalin-2(1H)-ones also led to the formation of a side product, C3-aryl quinoxalin-2(1H)-ones, capable of a photoredox process to help the formation of 1,2-di(hetero)arylation products.
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Affiliation(s)
- Sudip Sau
- Center for Metareceptome Research, Graduate School of Pharmaceutical Sciences, Chung-Ang University, 84 Heukseok-ro, Dongjak, Seoul 06974, Republic of Korea
| | - Shinobu Takizawa
- SANKEN, Osaka University, Mihogaoka, Ibaraki-shi, Osaka 567-0047, Japan
| | - Hun Young Kim
- Department of Global Innovative Drugs, Chung-Ang University, 84 Heukseok-ro, Dongjak, Seoul 06974, Republic of Korea
| | - Kyungsoo Oh
- Center for Metareceptome Research, Graduate School of Pharmaceutical Sciences, Chung-Ang University, 84 Heukseok-ro, Dongjak, Seoul 06974, Republic of Korea
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2
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Liu T, Li T, Tea ZY, Wang C, Shen T, Lei Z, Chen X, Zhang W, Wu J. Modular assembly of arenes, ethylene and heteroarenes for the synthesis of 1,2-arylheteroaryl ethanes. Nat Chem 2024; 16:1705-1714. [PMID: 38937591 DOI: 10.1038/s41557-024-01560-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 05/22/2024] [Indexed: 06/29/2024]
Abstract
The 1,2-arylheteroaryl ethane motif stands as a privileged scaffold with promising implications in drug discovery. Conventional de novo syntheses of these molecules have relied heavily on pre-functionalized synthons, entailing harsh conditions and multi-step processes. Here, to address these limitations, we present a modular approach for the direct synthesis of 1,2-arylheteroaryl ethanes using feedstock chemicals, including ethylene, arenes and heteroarenes. We disclosed a photo triplet-energy-transfer-initiated radical cascade process, leveraging homolytic cleavage of C-S bonds in aryl sulfonium salts as the key step to access aryl radicals with excellent regioselectivity. This method allows for rapid structural diversification of bioactive molecules, showcasing excellent functional group tolerance and streamlining the synthesis of bioactive compounds and their derivatives. Furthermore, our approach can be extended to propylene, non-gaseous terminal alkenes and various other electrophilic radical precursors, including heteroaryl radicals, hydroxyl radicals, trifluoromethyl radicals and α-carbonyl alkyl radicals. This study highlights the significance of radical polarity matching in designing selective multi-component couplings.
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Affiliation(s)
- Tao Liu
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Talin Li
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Zhi Yuan Tea
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Chu Wang
- College of Chemistry, Beijing Normal University, Beijing, People's Republic of China
| | - Tianruo Shen
- Science, Mathematics and Technology Cluster, Singapore University of Technology and Design, Singapore, Republic of Singapore
| | - Zhexuan Lei
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Xuebo Chen
- College of Chemistry, Beijing Normal University, Beijing, People's Republic of China
| | - Weigang Zhang
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore.
| | - Jie Wu
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore.
- National University of Singapore Suzhou Research institute, Suzhou, People's Republic of China.
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3
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Jin F, Hu Q, Wang Q, Sun J, Huang K, Yan CG, Han Y, Fei H, Wang L. Synthesis of Sulfoxides by Palladium-Catalyzed Arylation of Sulfenate Anions with Aryl Thianthrenium Salts. J Org Chem 2024; 89:13319-13328. [PMID: 39225729 DOI: 10.1021/acs.joc.4c01418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
A novel and highly efficient Pd-catalyzed arylation of sulfenate anions with aryl thianthrenium salts is demonstrated. This procedure provides a practical protocol to synthesize various diaryl and alkyl aryl sulfoxides in moderate-to-good yields. The new approach shows mild reaction conditions, broad substrate scope, and good functional group tolerance.
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Affiliation(s)
- Feifei Jin
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Qianqian Hu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Qiang Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Jing Sun
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Kun Huang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
- Jiangsu Lianhuan Pharmaceutical Co., Ltd, Yangzhou, Jiangsu 225002, China
| | - Chao-Guo Yan
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Ying Han
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Haiyang Fei
- School of Pharmaceutical Engineering, Jiangsu Food and Pharmaceutical Science College, Huai'an, Jiangsu 223003, PR China
| | - Lei Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
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4
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Chen XY, Hu WQ, Qing FL. Nickel-Mediated Divergent Trifluoromethylation of Chlorinated and Brominated Phenol Derivatives through Chemoselective Cleavage of Ar-O and Ar-Cl(Br) Bonds. Org Lett 2024; 26:7966-7970. [PMID: 39235371 DOI: 10.1021/acs.orglett.4c03020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
We report herein that nickel-mediated trifluoromethylation of chlorinated and brominated phenol derivatives ClArOTs and BrArOTf gave chloro(bromo)trifluoromethylarenes through the chemoselective cleavage of Ar-O bonds. Furthermore, under similar reaction conditions, the chemoselective trifluoromethylation of Ar-Cl and Ar-Br bonds of ClArOPiv and BrArOTs was achieved to give trifluoromethylated phenol derivatives.
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Affiliation(s)
- Xiang-Yi Chen
- 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, People's Republic of China
| | - Wei-Qiang Hu
- 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, People's Republic of 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, People's Republic of China
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5
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Zhang J, Jiao M, Lu Z, Lu H, Wang M, Shi Z. Hydrodeuteroalkylation of Unactivated Olefins Using Thianthrenium Salts. Angew Chem Int Ed Engl 2024; 63:e202409862. [PMID: 38866703 DOI: 10.1002/anie.202409862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 06/14/2024]
Abstract
Isotopically labeled alkanes play a crucial role in organic and pharmaceutical chemistry. While some deuterated methylating agents are readily available, the limited accessibility of other deuteroalkyl reagents has hindered the synthesis of corresponding products. In this study, we introduce a nickel-catalyzed system that facilitates the synthesis of various deuterium-labeled alkanes through the hydrodeuteroalkylation of d2-labeled alkyl TT salts with unactivated alkenes. Diverging from traditional deuterated alkyl reagents, alkyl thianthrenium (TT) salts can effectively and selectively introduce deuterium at α position of alkyl chains using D2O as the deuterium source via a single-step pH-dependent hydrogen isotope exchange (HIE). Our method allows for high deuterium incorporation, and offers precise control over the site of deuterium insertion within an alkyl chain. This technique proves to be invaluable for the synthesis of various deuterium-labeled compounds, especially those of pharmaceutical relevance.
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Affiliation(s)
- Jie Zhang
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Mengjie Jiao
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Zheng Lu
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
- Jiangsu Nata Opto-electronic Material Co., Ltd., Suzhou, 215126, China
| | - Hongjian Lu
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Minyan Wang
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Zhuangzhi Shi
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
- School of Chemistry and Materials Science, Nanjing Normal University, 210023, Nanjing, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China
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6
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Shi H, Zhang J, Li X, He J, Sun Y, Wu J, Du Y. Thianthrene/TfOH-catalyzed electrophilic halogenations using N-halosuccinimides as the halogen source. Chem Sci 2024; 15:13058-13067. [PMID: 39148788 PMCID: PMC11323329 DOI: 10.1039/d4sc04461d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2024] [Accepted: 07/12/2024] [Indexed: 08/17/2024] Open
Abstract
Organohalides are vital organic building blocks with applications spanning various fields. However, direct halogenation of certain neutral or unreactive substrates by using solely the regular halogenating reagents has proven challenging. Although various halogenation approaches via activating halogenating reagents or substrates have emerged, a catalytic system enabling broad substrate applicability and diverse halogenation types remains relatively underexplored. Inspired by the halogenation of arenes via thianthrenation of arenes, here we report that thianthrene, in combined use with trifluoromethanesulfonic acid (TfOH), could work as an effective catalytic system to activate regular halogenating reagents (NXS). This new protocol could accomplish multiple types of halogenation of organic compounds including aromatics, olefins, alkynes and ketones. The mechanism study indicated that a highly reactive electrophilic halogen thianthrenium species, formed in situ from the reaction of NXS with thianthrene in the presence of TfOH, was crucial for the efficient halogenation process.
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Affiliation(s)
- Haofeng Shi
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University Tianjin 300072 China
| | - Jingran Zhang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University Tianjin 300072 China
| | - Xuemin Li
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University Tianjin 300072 China
| | - Jiaxin He
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University Tianjin 300072 China
| | - Yuli Sun
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University Tianjin 300072 China
| | - Jialiang Wu
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University Tianjin 300072 China
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University Tianjin 300072 China
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7
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Bao G, Song X, Li Y, He Z, Zuo Q, E R, Yu T, Li K, Xie J, Sun W, Wang R. Orthogonal bioconjugation targeting cysteine-containing peptides and proteins using alkyl thianthrenium salts. Nat Commun 2024; 15:6909. [PMID: 39134527 PMCID: PMC11319714 DOI: 10.1038/s41467-024-51217-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 08/02/2024] [Indexed: 08/15/2024] Open
Abstract
Late-stage specific and selective diversifications of peptides and proteins performed at target residues under ambient conditions are recognized to be the most facile route to various and abundant conjugates. Herein, we report an orthogonal modification of cysteine residues using alkyl thianthreium salts, which proceeds with excellent chemoselectivity and compatibility under mild conditions, introducing a diverse array of functional structures. Crucially, multifaceted bioconjugation is achieved through clickable handles to incorporate structurally diverse functional molecules. This "two steps, one pot" bioconjugation method is successfully applied to label bovine serum albumin. Therefore, our technique is a versatile and powerful tool for late-stage orthogonal bioconjugation.
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Affiliation(s)
- Guangjun Bao
- Research Unit of Peptide Science (2019RU066), Chinese Academy of Medical Sciences & Peking Union Medical College, Lanzhou, P. R. China
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China
| | - Xinyi Song
- Research Unit of Peptide Science (2019RU066), Chinese Academy of Medical Sciences & Peking Union Medical College, Lanzhou, P. R. China
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China
| | - Yiping Li
- Research Unit of Peptide Science (2019RU066), Chinese Academy of Medical Sciences & Peking Union Medical College, Lanzhou, P. R. China
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China
| | - Zeyuan He
- Research Unit of Peptide Science (2019RU066), Chinese Academy of Medical Sciences & Peking Union Medical College, Lanzhou, P. R. China
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China
| | - Quan Zuo
- Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P. R. China
| | - Ruiyao E
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China
| | - Tingli Yu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China
| | - Kai Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China
| | - Junqiu Xie
- Research Unit of Peptide Science (2019RU066), Chinese Academy of Medical Sciences & Peking Union Medical College, Lanzhou, P. R. China.
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China.
| | - Wangsheng Sun
- Research Unit of Peptide Science (2019RU066), Chinese Academy of Medical Sciences & Peking Union Medical College, Lanzhou, P. R. China.
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China.
| | - Rui Wang
- Research Unit of Peptide Science (2019RU066), Chinese Academy of Medical Sciences & Peking Union Medical College, Lanzhou, P. R. China.
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou, P. R. China.
- Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P. R. China.
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8
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Cao ZW, Zhang JX, Wang JT, Li L, Chen XY, Jin S, Cao ZY, Wang P. Palladium-Catalyzed Hiyama-Type Coupling of Thianthrenium and Phenoxathiinium Salts. Org Lett 2024; 26:6681-6686. [PMID: 39058573 DOI: 10.1021/acs.orglett.4c02348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Here, we demonstrate palladium-catalyzed Hiyama-type cross-coupling reactions of aryl thianthrenium or phenoxathiinium salts. By employing stable and inexpensive organosilanes, the arylation, alkenylation, and alkynylation were realized in high efficiency using commercially available Pd(tBu3P)2 as the catalyst, thus providing a reliable method for preparation of biaryls, styrenes, and aryl acetylenes with a broad functional group tolerance under mild conditions. Given the accessibility of aryl thianthrenium or phenoxathiinium salts from simple arenes in a remarkable regioselective fashion, this protocol also provides an attractive approach for the late-stage modification of complex bioactive scaffolds.
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Affiliation(s)
- Zhi-Wei Cao
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Ji-Xuan Zhang
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Jin-Tao Wang
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Lang Li
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Xiao-Yue Chen
- State Key Laboratory of Organometallic Chemistry and Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, CAS 345 Lingling Road, Shanghai 200032, P. R. China
| | - Shengnan Jin
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Zhong-Yan Cao
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Peng Wang
- State Key Laboratory of Organometallic Chemistry and Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, CAS 345 Lingling Road, Shanghai 200032, P. R. China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, P. R. China
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry, and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, P. R. China
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9
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Dong T, Shen Q, Tsui GC. Synthesis and application of well-defined [Ph 4P] +[Cu(CF 2CF 3) 2] - complex as a versatile pentafluoroethylating reagent. Chem Sci 2024; 15:11550-11556. [PMID: 39055037 PMCID: PMC11268490 DOI: 10.1039/d4sc02075h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 06/07/2024] [Indexed: 07/27/2024] Open
Abstract
We herein describe the preparation and application of a new bispentafluoroethylated organocuprate [Ph4P]+[Cu(CF2CF3)2]-. This complex has demonstrated a remarkable range of reactivities towards carboxylic acids, diazonium salts, organic halides, boronic esters, terminal alkynes and (hetero)arenes as a versatile pentafluoroethylating reagent. The construction of C(sp3)-/C(sp2)-/C(sp)-CF2CF3 bonds can therefore be achieved using a single reagent.
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Affiliation(s)
- Tao Dong
- Department of Chemistry, The Chinese University of Hong Kong Shatin, New Territories Hong Kong SAR China
| | - Qilong Shen
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry 345 Lingling Lu Shanghai 200032 China
| | - Gavin Chit Tsui
- Department of Chemistry, The Chinese University of Hong Kong Shatin, New Territories Hong Kong SAR China
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences Shanghai 200032 China
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10
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Dupommier D, Vuagnat M, Rzayev J, Roy S, Jubault P, Besset T. Site-Selective Ortho/Ipso C-H Difunctionalizations of Arenes using Thianthrene as a Leaving Group. Angew Chem Int Ed Engl 2024; 63:e202403950. [PMID: 38712851 DOI: 10.1002/anie.202403950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/23/2024] [Accepted: 05/07/2024] [Indexed: 05/08/2024]
Abstract
Site-selective ortho/ipso C-H difunctionalizations of aromatic compounds were designed to afford polyfunctionalized arenes including challenging 1,2,3,4-tetrasubstituted ones (62 examples, up to 97 % yields). To ensure the excellent regioselectivity of the process while keeping high efficiency, an original strategy based on a "C-H thianthenation/Catellani-type reaction" sequence was developed starting from simple arenes. Non-prefunctionalized arenes were first regioselectively converted into the corresponding thianthrenium salts. Then, a palladium-catalyzed, norbornene (NBE)-mediated process allowed the synthesis of ipso-olefinated/ortho-alkylated polyfunctionalized arenes using a thianthrene as a leaving group (revisited Catellani reaction). Pleasingly, using a commercially available norbornene (NBE) and a unique catalytic system, synthetic challenges known for the Catellani reaction with aryl iodides were smoothly and successfully tackled with the "thianthrenium" approach. The protocol was robust (gram-scale reaction) and was widely applied to the two-fold functionalization of various arenes including bio-active compounds. Moreover, a panel of olefins and alkyl halides as coupling partners was suitable. Pleasingly, the "thianthrenium" strategy was successfully further applied to the incorporation of other groups at the ipso (CN/alkyl/H, aryl) and ortho (alkyl, aryl, amine, thiol) positions, showcasing the generality of the process.
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Affiliation(s)
- Dorian Dupommier
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, F-76000, Rouen, France
| | - Martin Vuagnat
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, F-76000, Rouen, France
| | - Javid Rzayev
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, F-76000, Rouen, France
| | - Sourav Roy
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, F-76000, Rouen, France
| | - Philippe Jubault
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, F-76000, Rouen, France
| | - Tatiana Besset
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, F-76000, Rouen, France
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11
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Liu Y, Bai J, Dong X, Cao Y, Bao M, Lu Y, Zeng H, Zhan L, Guo Y. Online Charge-Generation Derivatization by Electrochemical Radical Cations of Thianthrene: Mass Spectrometry Imaging of Estrogens in Biological Tissues. Anal Chem 2024. [PMID: 39031066 DOI: 10.1021/acs.analchem.4c02086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2024]
Abstract
Estrogens play a significant role in endocrinology and oncology. Although separation methods coupled with mass spectrometry (MS) have emerged as a powerful tool for studying estrogens, imaging the spatial distributions of estrogens is crucial but remains challenging due to its low endogenous concentration and poor ionization efficiency. Charge-generation derivatization, such as N-alkylpyridinium quaternization and S-methyl thioetherification, represents a method wherein neutral molecules involving analytes and derivatization reagents undergo chemical reactions to establish permanent charges directly onto the analytes to improve detection sensitivity. Here, we developed a novel derivatization reagent, thianthrene (TT), which enabled oxidization to radical cations ([TT]•+) using an electrochemical method and completed the online charge-generation derivatization of estrogens on a mass spectrometry imaging platform. In this strategy, [TT]•+ can efficiently and selectively derivatize estrogens via an electrophilic aromatic substitution reaction. Results indicated that derivatization with [TT]•+ can significantly enhance imaging sensitivity (3 orders of magnitude), enabling the visualization of estrogen and its metabolites in ovarian and breast tissues. Furthermore, a higher mass intensity of these estrogens was captured in breast para-cancerous tissues than in cancerous tissues, which might provide estrogens spatial dimension information for further research on the initiation and progression of breast cancer.
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Affiliation(s)
- Yingchao Liu
- State Key Laboratory of Organometallic Chemistry and National Center for Organic Mass Spectrometry in Shanghai, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Jiahui Bai
- State Key Laboratory of Organometallic Chemistry and National Center for Organic Mass Spectrometry in Shanghai, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Xiaoxia Dong
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yuqi Cao
- State Key Laboratory of Organometallic Chemistry and National Center for Organic Mass Spectrometry in Shanghai, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Mingmai Bao
- State Key Laboratory of Organometallic Chemistry and National Center for Organic Mass Spectrometry in Shanghai, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Yingjie Lu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
| | - Hui Zeng
- Comprehensive Exposure Research Center, School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China
| | - Lixing Zhan
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yinlong Guo
- State Key Laboratory of Organometallic Chemistry and National Center for Organic Mass Spectrometry in Shanghai, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China
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12
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Michiyuki T, Homölle SL, Pandit NK, Ackermann L. Electrocatalytic Formal C(sp 2)-H Alkylations via Nickel-Catalyzed Cross-Electrophile Coupling with Versatile Arylsulfonium Salts. Angew Chem Int Ed Engl 2024; 63:e202401198. [PMID: 38695843 DOI: 10.1002/anie.202401198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Indexed: 06/15/2024]
Abstract
Producing sp3-hybridized carbon-enriched molecules is of particular interest due to their high success rate in clinical trials. The installation of aliphatic chains onto aromatic scaffolds was accomplished by nickel-catalyzed C(sp2)-C(sp3) cross-electrophile coupling with arylsulfonium salts. Thus, simple non-prefunctionalized arenes could be alkylated through the formation of aryldibenzothiophenium salts. The reaction employs an electrochemical approach to avoid potentially hazardous chemical redox agents, and importantly, the one-pot alkylation proved also viable, highlighting the robustness of our approach.
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Affiliation(s)
- Takuya Michiyuki
- Wöhler Research Institute for Sustainable Chemistry, Tammannstraße 2, 37077, Göttingen, Germany
| | - Simon L Homölle
- Wöhler Research Institute for Sustainable Chemistry, Tammannstraße 2, 37077, Göttingen, Germany
| | - Neeraj K Pandit
- Wöhler Research Institute for Sustainable Chemistry, Tammannstraße 2, 37077, Göttingen, Germany
| | - Lutz Ackermann
- Wöhler Research Institute for Sustainable Chemistry, Tammannstraße 2, 37077, Göttingen, Germany
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13
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Zhong LJ, Chen H, Shang X, Fan JH, Tang KW, Liu Y, Li JH. Photoredox Ring Opening 1,2-Alkylarylation of Alkenes with Sulfonium Salts Toward Thioether-Substituted Oxindoles. J Org Chem 2024; 89:8721-8733. [PMID: 38832808 DOI: 10.1021/acs.joc.4c00628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
A novel strategy for the difunctionalization of electron-deficient alkenes with aryl sulfonium salts to access remote sulfur-containing oxindole derivatives by using in situ-formed copper(I)-based complexes as a photoredox catalyst is presented. This method enables the generation of the C(sp3)-centered radicals through site selective cleavage of the C-S bond of aryl sulfonium salts under mild conditions. Moreover, the oxidation reactions of desired products provide a new strategy for the preparation of sulfoxide or sulfone-containing compounds. Importantly, this approach can be easily applied to late-stage modification of pharmaceuticals molecules.
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Affiliation(s)
- Long-Jin Zhong
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Hui Chen
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Xuan Shang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Jian-Hong Fan
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Ke-Wen Tang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Yu Liu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Jin-Heng Li
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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14
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Dong XX, Liu JG, Zhang HX, Zhang B. A Practical and Modular Method for Direct C-H Functionalization of the BODIPY Core via Thianthrenium Salts. Chemistry 2024:e202401929. [PMID: 38818768 DOI: 10.1002/chem.202401929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 05/29/2024] [Accepted: 05/31/2024] [Indexed: 06/01/2024]
Abstract
Direct structural modification of small-molecule fluorophores represents a straightforward and appealing strategy for accessing new fluorescent dyes with desired functionalities. We report herein a general and efficient visible-light-mediated method for the direct C-H functionalization of BODIPY, an important fluorescent chromophore, using readily accessible and bench-stable aryl and alkenylthianthrenium salts. This practical approach operates at room temperature with extraordinary site-selectivity, providing a step-economical means to construct various valuable aryl- and alkenyl-substituted BODIPY dyes. Remarkably, this protocol encompasses a broad substrate scope and excellent functional-group tolerance, and allows for the modular synthesis of sophisticated symmetrical and asymmetrical disubstituted BODIPYs by simply employing different combinations of thianthrenium salts. Moreover, the late-stage BODIPY modification of complex drug molecules further highlights the potential of this novel methodology in the synthesis of fluorophore-drug conjugates.
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Affiliation(s)
- Xin-Xin Dong
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Jing-Guo Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Hao-Xiang Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Bo Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
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15
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Nan J, Lei M, Chen G, Ma Y, Liang C, Wang J. Palladium/norbornene-catalyzed diversified trifunctionalization of aryl-thianthreniums. Chem Commun (Camb) 2024; 60:5558-5561. [PMID: 38712611 DOI: 10.1039/d4cc01426j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
A novel Catellani-type conversion is reported using aryl-thianthreniums (aryl-TTs) instead of aryl halides. Three classes of ortho-dual C-H functionalization involving alkylation, amination, and deuterated methylation and five types of ipso-operation including alkenylation, cyanation, methylation, hydrogenation, and alkynylation all proceed well in this procedure. In this conversion, aryl-TTs exhibit satisfactory reactivity and feature the advantage that the leaving TT unit can be recovered. More strikingly, this finding represents a new chemistry conversion of aryl-TTs, wherein contiguous tri-functionalization in a single chemical manipulation is realized.
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Affiliation(s)
- Jiang Nan
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Min Lei
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Gaoyang Chen
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Yangmin Ma
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Chengyuan Liang
- Xi'an Key Laboratory of Antiviral and Antimicrobial-Resistant Bacteria Therapeutics Research, School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Jing Wang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
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16
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Kumar R, Dohi T, Zhdankin VV. Organohypervalent heterocycles. Chem Soc Rev 2024; 53:4786-4827. [PMID: 38545658 DOI: 10.1039/d2cs01055k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
This review summarizes the structural and synthetic aspects of heterocyclic molecules incorporating an atom of a hypervalent main-group element. The term "hypervalent" has been suggested for derivatives of main-group elements with more than eight valence electrons, and the concept of hypervalency is commonly used despite some criticism from theoretical chemists. The significantly higher thermal stability of hypervalent heterocycles compared to their acyclic analogs adds special features to their chemistry, particularly for bromine and iodine. Heterocyclic compounds of elements with double bonds are not categorized as hypervalent molecules owing to the zwitterionic nature of these bonds, resulting in the conventional 8-electron species. This review is focused on hypervalent heterocyclic derivatives of nonmetal main-group elements, such as boron, silicon, nitrogen, carbon, phosphorus, sulfur, selenium, bromine, chlorine, iodine(III) and iodine(V).
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Affiliation(s)
- Ravi Kumar
- Department of Chemistry, J C Bose University of Science and Technology, YMCA, NH-2, Sector-6, Mathura Road, Faridabad, 121006, Haryana, India.
| | - Toshifumi Dohi
- Graduate School of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan.
| | - Viktor V Zhdankin
- Department of Chemistry and Biochemistry, 1038 University Drive, 126 HCAMS University of Minnesota Duluth, Duluth, Minnesota 55812, USA.
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17
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Kaplaneris N, Akdeniz M, Fillols M, Arrighi F, Raymenants F, Sanil G, Gryko DT, Noël T. Photocatalytic Functionalization of Dehydroalanine-Derived Peptides in Batch and Flow. Angew Chem Int Ed Engl 2024; 63:e202403271. [PMID: 38497510 DOI: 10.1002/anie.202403271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 03/17/2024] [Accepted: 03/18/2024] [Indexed: 03/19/2024]
Abstract
Unnatural amino acids, and their synthesis by the late-stage functionalization (LSF) of peptides, play a crucial role in areas such as drug design and discovery. Historically, the LSF of biomolecules has predominantly utilized traditional synthetic methodologies that exploit nucleophilic residues, such as cysteine, lysine or tyrosine. Herein, we present a photocatalytic hydroarylation process targeting the electrophilic residue dehydroalanine (Dha). This residue possesses an α,β-unsaturated moiety and can be combined with various arylthianthrenium salts, both in batch and flow reactors. Notably, the flow setup proved instrumental for efficient scale-up, paving the way for the synthesis of unnatural amino acids and peptides in substantial quantities. Our photocatalytic approach, being inherently mild, permits the diversification of peptides even when they contain sensitive functional groups. The readily available arylthianthrenium salts facilitate the seamless integration of Dha-containing peptides with a wide range of arenes, drug blueprints, and natural products, culminating in the creation of unconventional phenylalanine derivatives. The synergistic effect of the high functional group tolerance and the modular characteristic of the aryl electrophile enables efficient peptide conjugation and ligation in both batch and flow conditions.
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Affiliation(s)
- Nikolaos Kaplaneris
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Merve Akdeniz
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Méritxell Fillols
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Francesca Arrighi
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185, Rome, Italy
| | - Fabian Raymenants
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Gana Sanil
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Daniel T Gryko
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Timothy Noël
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
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18
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Cheng K, Webb EW, Bowden GD, Wright JS, Shao X, Sanford MS, Scott PJH. Photo- and Cu-Mediated 11C Cyanation of (Hetero)Aryl Thianthrenium Salts. Org Lett 2024; 26:3419-3423. [PMID: 38630573 PMCID: PMC11099534 DOI: 10.1021/acs.orglett.4c00929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
We present a photo- and Cu-mediated 11C cyanation of bench-stable (hetero)aryl thianthrenium salts via an aryl radical addition pathway. The thianthrenium substrates can be readily accessed via C-H functionalization, and the radiocyanation protocol proceeds under mild conditions (<50 °C, 5 min) and can be automated using open-source, readily accessible augmentations to existing radiochemistry equipment.
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Affiliation(s)
- Kevin Cheng
- Department of Radiology, University of Michigan Medical School, 1301 Catherine Street, Ann Arbor, MI 48109, United States
| | - E. William Webb
- Department of Radiology, University of Michigan Medical School, 1301 Catherine Street, Ann Arbor, MI 48109, United States
| | - Gregory D. Bowden
- Department of Radiology, University of Michigan Medical School, 1301 Catherine Street, Ann Arbor, MI 48109, United States
- Werner Siemens Imaging Center, Department of Preclinical Imaging and Radiopharmacy, Eberhard Karls University, Tuebingen, Germany
- Cluster of Excellence iFIT (EXC 2180) “Image-Guided and Functionally Instructed Tumor Therapies”, Eberhard Karls University, Tuebingen, Germany
| | - Jay S. Wright
- Department of Radiology, University of Michigan Medical School, 1301 Catherine Street, Ann Arbor, MI 48109, United States
| | - Xia Shao
- Department of Radiology, University of Michigan Medical School, 1301 Catherine Street, Ann Arbor, MI 48109, United States
| | | | - Peter J. H. Scott
- Department of Radiology, University of Michigan Medical School, 1301 Catherine Street, Ann Arbor, MI 48109, United States
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19
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Wang Y, Zhao L, Hao X, Jin K, Zhang R, Duan C, Li Y. A visible-light-catalyzed sulfonylation reaction of an aryl selenonium salt via an electron donor-acceptor complex. Org Biomol Chem 2024; 22:2451-2455. [PMID: 38419463 DOI: 10.1039/d4ob00060a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
An efficient synthesis of sulfone structures through selenonium salts and sodium sulfinates was developed. Under the irradiation of a blue LED lamp, the two substrates generate aryl and sulfonyl radicals through the activation of the intermediate electron donor acceptor (EDA) complex, thereby synthesizing aromatic, heteroaromatic and aliphatic sulfones in medium to good yields. The advantages of this strategy are metal-free, mild conditions and the leaving group is recycled to construct new selenonium salts.
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Affiliation(s)
- Yuqing Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, P.R. China.
| | - Liang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, P.R. China.
| | - Xinyu Hao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, P.R. China.
| | - Kun Jin
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, P.R. China.
| | - Rong Zhang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, P.R. China.
| | - Chunying Duan
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, P.R. China.
| | - Yaming Li
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, P.R. China.
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20
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Vuagnat M, Jubault P, Besset T. Sequential ortho-/ meta-C-H functionalizations of N-tosyl-benzamides for the synthesis of polyfunctionalized arenes. Chem Commun (Camb) 2024; 60:2244-2247. [PMID: 38317563 DOI: 10.1039/d3cc05919g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Selective one-pot sequential ortho-/meta-C-H functionalizations provided highly desirable polyfunctionalized arenes. Starting from readily available carboxylic acid derivatives, the concomitant formation of C-O and C-halogen bonds was achieved under mild reaction conditions (12 examples, up to 75% yield). The utility of the products was illustrated with post-functionalization reactions and Metiglinid synthesis.
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Affiliation(s)
- Martin Vuagnat
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, Rouen F-76000, France.
| | - Philippe Jubault
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, Rouen F-76000, France.
| | - Tatiana Besset
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, Rouen F-76000, France.
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21
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Zhang W, Liu T, Ang HT, Luo P, Lei Z, Luo X, Koh MJ, Wu J. Modular and Practical 1,2-Aryl(Alkenyl) Heteroatom Functionalization of Alkenes through Iron/Photoredox Dual Catalysis. Angew Chem Int Ed Engl 2023; 62:e202310978. [PMID: 37699857 DOI: 10.1002/anie.202310978] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/09/2023] [Accepted: 09/11/2023] [Indexed: 09/14/2023]
Abstract
Efficient methods for synthesizing 1,2-aryl(alkenyl) heteroatomic cores, encompassing heteroatoms such as nitrogen, oxygen, sulfur, and halogens, are of significant importance in medicinal chemistry and pharmaceutical research. In this study, we present a mild, versatile and practical photoredox/iron dual catalytic system that enables access to highly privileged 1,2-aryl(alkenyl) heteroatomic pharmacophores with exceptional efficiency and site selectivity. Our approach exhibits an extensive scope, allowing for the direct utilization of a wide range of commodity or commercially available (hetero)arenes as well as activated and unactivated alkenes with diverse functional groups, drug scaffolds, and natural product motifs as substrates. By merging iron catalysis with the photoredox cycle, a vast array of alkene 1,2-aryl(alkenyl) functionalization products that incorporate a neighboring azido, amino, halo, thiocyano and nitrooxy group were secured. The scalability and ability to rapid synthesize numerous bioactive small molecules from readily available starting materials highlight the utility of this protocol.
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Affiliation(s)
- Weigang Zhang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Tao Liu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Hwee Ting Ang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Penghao Luo
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Zhexuan Lei
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Xiaohua Luo
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Ming Joo Koh
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Jie Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
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22
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Wang S, Xu H, Zhang R, Zhang S, Chai Y, Yang B, Zhao J, Xu Y, Li P. Regioselective Synthesis of N-Vinyl Pyrazoles from Vinyl Sulfonium Salts with Diazo Compounds. Org Lett 2023; 25:6746-6750. [PMID: 37669415 DOI: 10.1021/acs.orglett.3c02653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Herein, we develop a base-promoted regioselective synthesis of N-vinyl pyrazoles from vinyl sulfonium salts with diazo compounds. This metal-free synthetic protocol provides an efficient and practical approach to diverse N-vinyl pyrazoles in good to excellent yields under mild conditions. The reaction appears to experience a [3 + 2] annulation of vinyl sulfonium salts and diazo anions rather than diazo compounds, followed by N-vinylation.
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Affiliation(s)
- Shichong Wang
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Huayan Xu
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Ruoyu Zhang
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Siyu Zhang
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Yun Chai
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Bingchuan Yang
- College of Chemistry and Chemical Engineering, Qilu Normal University, Jinan, Shandong 250013, P. R. China
| | - Jingjing Zhao
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Yuanqing Xu
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Pan Li
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
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23
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Liu X, Wang L, Wang HY, Han J. Diversification of Complex Diaryl Ethers via Diaryliodonium Intramolecular Aryl Rearrangement. J Org Chem 2023; 88:13089-13101. [PMID: 37661693 DOI: 10.1021/acs.joc.3c01293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
In this study, we present an efficient site-selective O-arylation method applicable to a broad range of complex arenes involving intramolecular aryl rearrangement. The reaction was facilitated by diaryliodonium salts bearing vicinal trifluoromethanesulfonate (OTf) groups. The procedure was initiated with selective C-H bond activation of arenes, which were then converted into diaryl ethers through nucleophilic aromatic substitution (SNAr). This synthetic method successfully affords complex diaryl ether derivatives, showcasing its practicality for the diversification of functionalized arenes and pharmaceutical agents.
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Affiliation(s)
- Xu Liu
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Limin Wang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Hao-Yang Wang
- National Center for Organic Mass Spectrometry in Shanghai, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Jianwei Han
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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24
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Herter L, Perrin T, Fessard T, Salomé C. Preparation of 3,5-Methanobenzo[ b]azepines: An sp 3-Rich Quinolone Isostere. Org Lett 2023; 25:6161-6166. [PMID: 37573582 DOI: 10.1021/acs.orglett.3c02250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
The replacement of the aromatic ring in bioactive compounds with saturated bioisosteres has become a popular tactic to obtain novel structures with improved physicochemical profiles. In this paper, we describe an efficient synthesis of 3,5-methanobenzo[b]azepine analogues and suggest them as isosteres of quinolones. Quinolones are heteroaromatic, flat rings and considered as privileged scaffolds. An isosteric version of this scaffold with more 3D character would offer new options to expand their use.
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Affiliation(s)
- Loïc Herter
- SpiroChem, Rosental area, WRO-1047-3, Mattenstrasse 22, 4058 Basel, Switzerland
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
| | - Timothé Perrin
- SpiroChem, Rosental area, WRO-1047-3, Mattenstrasse 22, 4058 Basel, Switzerland
| | - Thomas Fessard
- SpiroChem, Rosental area, WRO-1047-3, Mattenstrasse 22, 4058 Basel, Switzerland
| | - Christophe Salomé
- SpiroChem, Rosental area, WRO-1047-3, Mattenstrasse 22, 4058 Basel, Switzerland
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25
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Gallego-Gamo A, Reyes-Mesa D, Guinart-Guillem A, Pleixats R, Gimbert-Suriñach C, Vallribera A, Granados A. Site-selective and metal-free C-H phosphonation of arenes via photoactivation of thianthrenium salts. RSC Adv 2023; 13:23359-23364. [PMID: 37559697 PMCID: PMC10407877 DOI: 10.1039/d3ra04512a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 07/27/2023] [Indexed: 08/11/2023] Open
Abstract
Aryl phosphonates are prevalent moieties in medicinal chemistry and agrochemicals. Their chemical synthesis normally relies on the use of precious metals, harsh conditions or aryl halides as substrates. Herein, we describe a sustainable light-promoted and site-selective C-H phosphonation of arenes via thianthrenation and the formation of an electron donor-acceptor complex (EDA) as key steps. The method tolerates a wide range of functional groups including biomolecules. The use of sunlight also promotes this transformation and our mechanistic investigations support a radical chain mechanism.
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Affiliation(s)
- Albert Gallego-Gamo
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona Cerdanyola del Vallès 08193 Barcelona Spain
| | - David Reyes-Mesa
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona Cerdanyola del Vallès 08193 Barcelona Spain
| | - Axel Guinart-Guillem
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona Cerdanyola del Vallès 08193 Barcelona Spain
| | - Roser Pleixats
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona Cerdanyola del Vallès 08193 Barcelona Spain
| | - Carolina Gimbert-Suriñach
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona Cerdanyola del Vallès 08193 Barcelona Spain
| | - Adelina Vallribera
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona Cerdanyola del Vallès 08193 Barcelona Spain
| | - Albert Granados
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona Cerdanyola del Vallès 08193 Barcelona Spain
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26
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Higuchi K, Yamamoto K, Nakamura S, Naruse H, Ito M, Sugiyama S. Preparation of Alkyl Di( p-tolyl)sulfonium Salts and Their Application in Metal-Free C(sp 3)-C(sp 3) and C(sp 3)-C(sp 2) Bond Formations. Org Lett 2023; 25:3766-3771. [PMID: 37167562 DOI: 10.1021/acs.orglett.3c01233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Alkyldiarylsulfonium salts were synthesized by a combination of active sulfonium species, prepared through the activation of diarylsulfoxide, and alkyl nucleophiles. The isolated sulfonium salts were subjected to the allylation and cyclopropanation of the active methylene compounds and metal-free C(sp3)-C(sp2) couplings via oxyallyl cation intermediates under mild conditions. The series of reactions included an umpolung strategy for the coupling of alkyl nucleophiles and metal-free C-C bond formation using sulfonium salts.
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Affiliation(s)
- Kazuhiro Higuchi
- Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Kai Yamamoto
- Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Shunsuke Nakamura
- Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Haruka Naruse
- Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Motoki Ito
- Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
| | - Shigeo Sugiyama
- Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan
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27
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Ni S, Yan J, Tewari S, Reijerse EJ, Ritter T, Cornella J. Nickel Meets Aryl Thianthrenium Salts: Ni(I)-Catalyzed Halogenation of Arenes. J Am Chem Soc 2023; 145:9988-9993. [PMID: 37126771 PMCID: PMC10176483 DOI: 10.1021/jacs.3c02611] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Herein, a regioselective, late-stage two-step arene halogenation method is reported. We propose how unusual Ni(I)/(III) catalysis is enabled by a combination of aryl thianthrenium and Ni redox properties that is hitherto unachieved with other (pseudo)halides. The catalyst is accessed in situ from inexpensive NiCl2·6(H2O) and zinc without the need of supporting ligands.
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Affiliation(s)
- Shengyang Ni
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr 45470, Germany
| | - Jiyao Yan
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr 45470, Germany
| | - Srija Tewari
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr 45470, Germany
| | - Edward J Reijerse
- Max Planck Institut for Chemical Energy Conversion, Stiftstrasse 34-36, Mülheim an der Ruhr 45470, Germany
| | - Tobias Ritter
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr 45470, Germany
| | - Josep Cornella
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr 45470, Germany
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28
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Wang M, Wang C, Xie X, Pan D, Liu L, Chen Q, Li Z, Zhang Q, Xu Z. Non-classical C-saccharide linkage of dehydroalanine: synthesis of C-glycoamino acids and C-glycopeptides. Chem Commun (Camb) 2023; 59:3305-3308. [PMID: 36847114 DOI: 10.1039/d2cc06653j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Herein, a non-classical C-saccharide linkage is reported via a C5 radical of pentose or C6 radical of hexose addition to Michael acceptors. C(sp3)-S cleaved glycosyl thianthrenium salts are developed as the glycosyl radical agents. The reaction provides an efficient toolkit to synthesize β-glycosyl substituted unnatural amino acids as well as for the late-stage C-saccharide modification of peptides.
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Affiliation(s)
- Mengran Wang
- Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, China. .,Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Chao Wang
- Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, China. .,Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Xiuling Xie
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Da Pan
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Liangyu Liu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Qiao Chen
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Zhixuan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Qi Zhang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Zhaoqing Xu
- Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, China. .,Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
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29
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Zou Z, Chang W, Zhang W, Ni S, Pan Y, Liang Y, Pan D, Wang Y. CuCF3 Mediated Deoxyfluorination of Redox-active Esters. J Fluor Chem 2023. [DOI: 10.1016/j.jfluchem.2023.110114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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30
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Xu H, Li X, Ma J, Zuo J, Song X, Lv J, Yang D. An electron donor–acceptor photoactivation strategy for the synthesis of S-aryl dithiocarbamates using thianthrenium salts under mild aqueous micellar conditions. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
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31
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Kaplaneris N, Puet A, Kallert F, Pöhlmann J, Ackermann L. Late-stage C-H Functionalization of Tryptophan-Containing Peptides with Thianthrenium Salts: Conjugation and Ligation. Angew Chem Int Ed Engl 2023; 62:e202216661. [PMID: 36581584 DOI: 10.1002/anie.202216661] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 12/31/2022]
Abstract
Bioorthogonal late-stage diversification of structurally complex peptides bears enormous potential for drug discovery and molecular imaging, among other applications. Herein, we report on a palladium-catalyzed C-H arylation of tryptophan-containing peptides with readily accessible and modular arylthianthrenium salts. Under exceedingly mild reaction conditions, the late-stage diversification of structurally complex peptides was accomplished. The tunability and ease of preparation of arylthianthrenium salts allowed the expedient stitching of tryptophan-containing peptides with drug, natural product, and peptidic scaffolds by forging sterically congested biaryl linkages. The robustness of the palladium catalysis regime was reflected by the full tolerance of a plethora of sensitive and coordinating functional groups. Hence, our manifold enabled efficient access to highly decorated, labelled, conjugated, and ligated linear and cyclic peptides.
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Affiliation(s)
- Nikolaos Kaplaneris
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammanstrasse 2, 37077, Göttingen, Germany
| | - Alejandro Puet
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammanstrasse 2, 37077, Göttingen, Germany
| | - Felix Kallert
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammanstrasse 2, 37077, Göttingen, Germany
| | - Julia Pöhlmann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammanstrasse 2, 37077, Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammanstrasse 2, 37077, Göttingen, Germany.,Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammanstrasse 2, 37077, Göttingen, Germany.,German Center for Cardiovascular Research (DZHK), Potsdamer Strasse 58, 10785, Berlin, Germany
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32
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Huang H, Jing X, Deng J, Meng C, Duan C. Enzyme-Inspired Coordination Polymers for Selective Oxidization of C(sp 3)-H Bonds via Multiphoton Excitation. J Am Chem Soc 2023; 145:2170-2182. [PMID: 36657380 DOI: 10.1021/jacs.2c09348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Nature's blueprint provides the fundamental principles for expanding the use of abundant metals in catalysis; however, mimicking both the structure and function of copper enzymes simultaneously in one artificial system for selective C-H bond oxidation faces marked challenges. Herein, we report a new approach to the assembly of artificial monooxygenases utilizing a binuclear Cu2S2Cl2 cluster to duplicate the identical structure and catalysis of the CuA enzyme. The designed monooxygenase Cu-Cl-bpyc facilitates well-defined redox potential that initially activated O2via photoinduced electron transfer, and generated an active chlorine radical via a ligand-to-metal charge transfer (LMCT) process from the consecutive excitation of the in situ formed copper(II) center. The chlorine radical abstracts a hydrogen atom selectively from C(sp3)-H bonds to generate the radical intermediate; meanwhile, the O2•- species interacted with the mimic to form mixed-valence species, giving the desired oxidization products with inherent product selectivity of copper monooxygenases and recovering the catalyst directly. This enzymatic protocol exhibits excellent recyclability, good functional group tolerance, and broad substrate scope, including some biological and pharmacologically relevant targets. Mechanistic studies indicate that the C-H bond cleavage was the rate-determining step and the cuprous interactions were essential to stabilize the active oxygen species. The well-defined structural characters and the fine-modified catalytic properties open a new avenue to develop robust artificial enzymes with uniform and precise active sites and high catalytic performances.
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Affiliation(s)
- Huilin Huang
- State Key Laboratory of Fine Chemicals, Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian116024, China
| | - Xu Jing
- State Key Laboratory of Fine Chemicals, Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian116024, China
| | - Jiangtao Deng
- State Key Laboratory of Fine Chemicals, Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian116024, China
| | - Changgong Meng
- State Key Laboratory of Fine Chemicals, Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian116024, China
| | - Chunying Duan
- State Key Laboratory of Fine Chemicals, Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian116024, China
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33
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Cao H, Shi Y, Ma J, Yan P, Cong X, Bie F. Palladium- and Nickel-Catalyzed Synthesis of Thioethers via Thioesters - Aryl Halides Coupling. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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34
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Abstract
The emergence of modern photocatalysis, characterized by mildness and selectivity, has significantly spurred innovative late-stage C-H functionalization approaches that make use of low energy photons as a controllable energy source. Compared to traditional late-stage functionalization strategies, photocatalysis paves the way toward complementary and/or previously unattainable regio- and chemoselectivities. Merging the compelling benefits of photocatalysis with the late-stage functionalization workflow offers a potentially unmatched arsenal to tackle drug development campaigns and beyond. This Review highlights the photocatalytic late-stage C-H functionalization strategies of small-molecule drugs, agrochemicals, and natural products, classified according to the targeted C-H bond and the newly formed one. Emphasis is devoted to identifying, describing, and comparing the main mechanistic scenarios. The Review draws a critical comparison between established ionic chemistry and photocatalyzed radical-based manifolds. The Review aims to establish the current state-of-the-art and illustrate the key unsolved challenges to be addressed in the future. The authors aim to introduce the general readership to the main approaches toward photocatalytic late-stage C-H functionalization, and specialist practitioners to the critical evaluation of the current methodologies, potential for improvement, and future uncharted directions.
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Affiliation(s)
- Peter Bellotti
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149Münster, Germany
| | - Huan-Ming Huang
- School of Physical Science and Technology, ShanghaiTech University, 201210Shanghai, China
| | - Teresa Faber
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149Münster, Germany
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35
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Guo Y, Wei L, Wen Z, Jiang H, Qi C. Photoredox-catalyzed coupling of aryl sulfonium salts with CO 2 and amines to access O-aryl carbamates. Chem Commun (Camb) 2023; 59:764-767. [PMID: 36541669 DOI: 10.1039/d2cc06033g] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An efficient photoredox-catalyzed three-component coupling reaction of aryl sulfonium salts, carbon dioxide and amines has been developed for the first time. This reaction provides a new strategy for the synthesis of a range of valuable O-aryl carbamates from readily available arenes via a site-selective thianthrenation/carbamoyloxylation two-step process. Mild conditions, broad substrate scope and good functional group tolerance are the features of the transformation. The synthetic utility of the method was demonstrated by the late-stage modification of bioactive molecules and pharmaceuticals.
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Affiliation(s)
- Yanhui Guo
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Li Wei
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Zhonglin Wen
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Huanfeng Jiang
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Chaorong Qi
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
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36
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Meng H, Liu MS, Shu W. Organothianthrenium salts: synthesis and utilization. Chem Sci 2022; 13:13690-13707. [PMID: 36544727 PMCID: PMC9710214 DOI: 10.1039/d2sc04507a] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/07/2022] [Indexed: 12/24/2022] Open
Abstract
Organothianthrenium salts are a class of compounds containing a positively charged sulfur atom and a neutral sulfur atom. Over the past years, organothianthrenium salts have been emerging as attractive precursors for a myriad of transformations to forge new C-C and C-X bonds due to their unique structural characteristics and chemical behaviors. The use of the thianthrenation strategy selectively transforms C-H, C-O, and other chemical bonds into organothianthrenium salts in a predictable manner, providing a straightforward alternative for regioselective functionalizations for arenes, alkenes, alkanes, alcohols, amines and so on through diverse reaction mechanisms under mild conditions. In this review, the preparation of different organothianthrenium salts is summarized, including aryl, alkenyl and alkyl thianthrenium salts. Moreover, the utilization of organothianthrenium salts in different catalytic processes and their synthetic potentials are also discussed.
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Affiliation(s)
- Huan Meng
- Shenzhen Grubbs Institute, Department of Chemistry, and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and TechnologyShenzhen 518055GuangdongP. R. China
| | - Ming-Shang Liu
- Shenzhen Grubbs Institute, Department of Chemistry, and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and TechnologyShenzhen 518055GuangdongP. R. China
| | - Wei Shu
- Shenzhen Grubbs Institute, Department of Chemistry, and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and TechnologyShenzhen 518055GuangdongP. R. China
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37
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Anti-Markovnikov ring-opening of sulfonium salts with alkynes by visible light/copper catalysis. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1373-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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38
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Cai Y, Ritter T. Meerwein-type Bromoarylation with Arylthianthrenium Salts. Angew Chem Int Ed Engl 2022; 61:e202209882. [PMID: 36070220 PMCID: PMC9828184 DOI: 10.1002/anie.202209882] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Indexed: 01/12/2023]
Abstract
Herein, we report a photocatalyzed Meerwein-type bromoarylation of alkenes with stable arylthianthrenium salts, formed by site-selective C-H thianthrenation. This protocol can be applied to late-stage functionalization of a variety of biomolecules that are difficult to access by other aryl coupling reagents. Halogen introduction allows for a variety of follow-up transformations, affording numerous biologically active skeletons.
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Affiliation(s)
- Yuan Cai
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
| | - Tobias Ritter
- Max-Planck-Institut für KohlenforschungKaiser-Wilhelm-Platz 145470Mülheim an der RuhrGermany
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39
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Ye Y, Zhu J, Xie H, Huang Y. Rhodium‐Catalyzed Divergent Arylation of Alkenylsulfonium Salts with Arylboroxines. Angew Chem Int Ed Engl 2022; 61:e202212522. [DOI: 10.1002/anie.202212522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Yun Ye
- College of Materials Chemistry and Chemical Engineering Key Laboratory of Organosilicon Chemistry and Material Technology Ministry of Education Hangzhou Normal University Hangzhou 311121 P. R. China
| | - Jie Zhu
- College of Materials Chemistry and Chemical Engineering Key Laboratory of Organosilicon Chemistry and Material Technology Ministry of Education Hangzhou Normal University Hangzhou 311121 P. R. China
| | - Haijiao Xie
- Hangzhou Yanqu Information Technology Co., Ltd. Hangzhou Zhejiang 310003 P. R. China
| | - Yinhua Huang
- College of Materials Chemistry and Chemical Engineering Key Laboratory of Organosilicon Chemistry and Material Technology Ministry of Education Hangzhou Normal University Hangzhou 311121 P. R. China
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40
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Xue B, Huang PP, Zhu MZ, Fu SQ, Ge JH, Li X, Liu PN. Highly Efficient and para-Selective C-H Functionalization of Polystyrene Providing a Versatile Platform for Diverse Applications. ACS Macro Lett 2022; 11:1252-1257. [PMID: 36260783 DOI: 10.1021/acsmacrolett.2c00541] [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
Postpolymerization modification of polystyrene (PS) can afford numerous value-added materials with different functions and applications, but it has been hampered by the lack of efficient methods. We report herein a highly efficient and para-selective conversion of the C-H bonds of the aromatic ring of PS into diverse functional groups using a combination of thianthrenation and thio-Suzuki-Miyaura coupling reaction. Notably, the thianthrenation efficiency of PS is as high as 99% and the degree of thianthrenation can be conveniently controlled using stoichiometric tuning of the amount of thianthrene-S-oxide added, resulting in 24-99 mol % thianthrenation. In the subsequent thio-Suzuki-Miyaura coupling reaction, 18 functionalized PS containing various functional groups (-CH2OH, -OMe, -SMe, -OTBS, -CH3, -NHBoc, -OCOMe, -CHO, -COMe, -Si(Me)3, etc.) were successfully prepared with a high degree of functionalization (64-99 mol %). The obtained functionalized PS can be readily converted into diverse functional materials, including solid-phase synthesis resins, aggregation-induced emission fluorophores, as well as ionomer binders and ion-exchange membranes for energy conversion devices. This method imparts diverse functionality onto PS with extremely high efficiency and selectivity, providing a versatile platform to transform existing commodity PS plastics into high-performance materials.
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Affiliation(s)
- Boxin Xue
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Pan-Pan Huang
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Ming-Zhi Zhu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Shu-Qing Fu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Ji-Hong Ge
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xingguang Li
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Pei-Nian Liu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
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41
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Gao P, Zhang Q, Chen F. Base-Promoted Synthesis of Vinyl Sulfides from Sulfonium Triflates. Org Lett 2022; 24:7769-7773. [PMID: 36260131 DOI: 10.1021/acs.orglett.2c03095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new protocol has been developed for vinyl sulfide synthesis promoted by an alkoxy base under metal-free conditions. In this reaction, aryl and alkenyl sulfonium triflates with diverse functionalities are converted into vinyl sulfides with excellent reactivity. This transformation features mild and safe reaction conditions that avoid catalyst, transition metal, high-pressure gas, and high reaction temperature without compromising efficiency.
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Affiliation(s)
- Pan Gao
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Qingzheng Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Feng Chen
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
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42
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Forchetta M, Sabuzi F, Stella L, Conte V, Galloni P. KuQuinone as a Highly Stable and Reusable Organic Photocatalyst in Selective Oxidation of Thioethers to Sulfoxides. J Org Chem 2022; 87:14016-14025. [PMID: 36219841 DOI: 10.1021/acs.joc.2c01648] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A chemoselective photocatalytic system to perform thioether oxidation to sulfoxide is presented. The light-induced oxidation process is here promoted by a metal-free quinoid catalyst, namely 1-hexylKuQuinone (KuQ). Reactions performed in a fluorinated solvent (i.e., HFIP), using O2 as the oxidant, at room temperature, lead to complete thioanisole conversion to methyl phenyl sulfoxide in 60 min. Remarkably, the system can be recharged and recycled without a loss of activity and selectivity, reaching turnover numbers (TONs) higher than 4000. Excellent catalytic performances and full selectivity have also been obtained for the photocatalytic oxidation of substituted thioanisole derivatives, aliphatic, cyclic, and diaryl thioethers. Likewise, the oxidation of heteroaromatic organosulfur compounds can be accomplished, with longer reaction times.
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Affiliation(s)
- Mattia Forchetta
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Federica Sabuzi
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Lorenzo Stella
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Valeria Conte
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Pierluca Galloni
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
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43
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Tang Z, Mo K, Ma X, Huang J, Zhao D. para
‐Selective Radical Trifluoromethylation of Benzamide Derivatives via Iminium Intermediates. Angew Chem Int Ed Engl 2022; 61:e202208089. [DOI: 10.1002/anie.202208089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Zhanyong Tang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-Sen University Guangzhou China
| | - Ke Mo
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-Sen University Guangzhou China
| | - Xiaoqiang Ma
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-Sen University Guangzhou China
| | - Jialin Huang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-Sen University Guangzhou China
| | - Depeng Zhao
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-Sen University Guangzhou China
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Wang C, Liu B, Shao Z, Zhou J, Shao A, Zou LH, Wen J. Synthesis of 1,2-Diamines from Vinyl Sulfonium Salts and Arylamines. Org Lett 2022; 24:6455-6459. [PMID: 36037330 DOI: 10.1021/acs.orglett.2c02604] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A procedure for the synthesis of 1,2-diamines from vinyl sulfonium salts and arylamines under mild conditions was developed. This present synthetic protocol not only obviates the need for a transition-metal catalyst and an oxidizing reagent but also features a broad substrates scope. The practicability of this protocol is demonstrated by the one-pot synthesis, a scale-up reaction, and transformations of the products to diverse N-heterocyclic compounds. Mechanistic studies indicate that the formation of aziridine plays a key role during this diamination process.
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Affiliation(s)
- Cheng Wang
- School of Life Science and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China
| | - Biao Liu
- School of Life Science and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China
| | - Zeyu Shao
- School of Life Science and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China
| | - Junqi Zhou
- School of Life Science and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China
| | - Andong Shao
- School of Life Science and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China
| | - Liang-Hua Zou
- School of Life Science and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China
| | - Jian Wen
- School of Life Science and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China
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Wang M, Zhang X, Ma M, Zhao B. Palladium-Catalyzed Synthesis of Esters from Arenes through C-H Thianthrenation. Org Lett 2022; 24:6031-6036. [PMID: 35929821 DOI: 10.1021/acs.orglett.2c02330] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The efficient palladium-catalyzed synthesis of esters from readily available arenes has been developed. These C-H bond esterifications were achieved relying on the regioselective thianthrenation to generate the aryl-TT salts, which were treated as reactive electrophilic substrates to couple with phenol formate and N-hydroxysuccinimide (NHS) formate giving access to phenol esters and NHS esters, respectively, in the absence of carbon monoxide. A wide range of functional esters could be prepared with high efficiency under this redox-neutral palladium-catalytic condition. Late-stage functionalization and investigations of synthetic applications demonstrated the potential application of the established platform and these products.
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Affiliation(s)
- Mengning Wang
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaomei Zhang
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Mengtao Ma
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Binlin Zhao
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
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Zhu J, Ye Y, Huang Y. Palladacycle-Catalyzed Olefinic C–P Cross-Coupling of Alkenylsulfonium Salts with Diarylphosphines to Access Alkenylphosphines. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00330] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jie Zhu
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, People’s Republic of China
| | - Yun Ye
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, People’s Republic of China
| | - Yinhua Huang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, People’s Republic of China
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Yang YM, Zhang C, Yang H, Tang ZY. Photo-catalyzed acetoxysulfoximination of styrene with sulfoximidoyl thianthrenium salt. Chem Commun (Camb) 2022; 58:8580-8583. [PMID: 35818861 DOI: 10.1039/d2cc02542f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the design and synthesis of a redox-active thianthrenium-containing sulfoximination reagent. Photo-catalyzed acetoxysulfoximination of styrene with various functional groups is described. Preliminary mechanistic studies indicated that the sulfoximination reagent (2aa) received a single electron transfer (SET) from the photo-excited Ir(ppy)3 catalyst to produce a sulfoximidoyl radical as a key intermediate in this transformation.
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Affiliation(s)
- Yu-Ming Yang
- School of Pharmaceutical Science (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
| | - Cairong Zhang
- School of Pharmaceutical Science (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
| | - Hanlun Yang
- School of Pharmaceutical Science (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
| | - Zhen-Yu Tang
- School of Pharmaceutical Science (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
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Zhao B, Wang Q, Zhu T, Feng B, Ma M. Palladium-Catalyzed Synthesis of C-1 Deuterated Aldehydes from (Hetero) Arenes Mediated by C (sp 2)-H Thianthrenation. Org Lett 2022; 24:5608-5613. [PMID: 35880900 DOI: 10.1021/acs.orglett.2c02328] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A palladium-catalyzed deuterated formylation of aryl sulfonium salts is prepared conveniently from readily available arenes, which enables the expedient synthesis of a series of structurally diverse C-1 deuterated aldehydes with 96%-99% deuterium incorporation. The easy to handle and cost-effective DCOONa provides a deuterium source, which can be introduced onto the formyl units with excellent selectivity under the palladium-catalytic redox neutral conditions. This catalytic route can accomplish the direct late-stage C-H functionalization of bioactive molecules and natural product derivatives assisted by C (sp2)-H thianthrenation. Moreover, on the basis of this practical approach, several deuterated drugs and analogues could be prepared with excellent levels of deuterium incorporation.
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Affiliation(s)
- Binlin Zhao
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Qiuzhu Wang
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Tianxiang Zhu
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Bin Feng
- College of Chemistry and Environment Engineering, Baise University, Baise 533000, China
| | - Mengtao Ma
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
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He Y, Huang Z, Ma J, Lin J, Zhou YG, Yu Z. Transition‐Metal‐Free Olefinic C−H Azidoalkylthiolation via C(sp<sup>3</sup>)−S Bond Cleavage of Vinylsulfonium Salts. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yuan He
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences CHINA
| | | | - Juan Ma
- Dalian Institute of Chemical Physics CHINA
| | - Jie Lin
- Dalian Institute of Chemical Physics CHINA
| | | | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences CHINA
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Cui W, Li X, Guo G, Song X, Lv J, Yang D. Radial Type Ring Opening of Sulfonium Salts with Dichalcogenides by Visible Light and Copper Catalysis. Org Lett 2022; 24:5391-5396. [PMID: 35834182 DOI: 10.1021/acs.orglett.2c02078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Herein, a copper-catalyzed, blue-light-induced free radical type ring opening of sulfonium salts with dichalcogenides has been initially developed. The developed method features an inexpensive copper catalyst and a broad substrate scope, affording practical access to alkyl chalcogenides in high yields. This reaction presents a novel ring-opening model of sulfonium salts, which breaks the limitation that only the nucleophilic ring-opening reaction could form C-heteroatom bonds and C-C bonds.
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Affiliation(s)
- Wenwen Cui
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Xufeng Li
- Zhejiang Wansheng Company, Ltd., Linhai, Zhejiang 317000, China
| | - Guoju Guo
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Xiuyan Song
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Jian Lv
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Daoshan Yang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
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