1
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Li H, Qiao K, Jiang W, Li F, Shi L. Dehydrogenative cyclization of 2-arylbenzoic acid and 2-arylbenzamide with hydrogen evolution in a photoelectrochemical cell. Chem Commun (Camb) 2024; 60:9416-9419. [PMID: 39136152 DOI: 10.1039/d4cc02792b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
This paper describes photoelectrochemical dehydrogenative cyclization of 2-arylbenzoic acid and 2-arylbenzamide in a PEC cell consisting of a mesoporous WO3 photoanode and Pt cathode. The cyclization reaction is effectively driven by this PEC system at room temperature with blue LED irradiation under external oxidant- and metal-free conditions, delivering a series of benzolactones and benzolactams in up to 95% isolated yields. Meanwhile, hydrogen is released as the only byproduct of this process.
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Affiliation(s)
- Haoran Li
- School of Chemistry, Dalian University of Technology, Dalian 116024, People's Republic of China.
| | - Kaikai Qiao
- School of Chemistry, Dalian University of Technology, Dalian 116024, People's Republic of China.
| | - Wenfeng Jiang
- School of Chemistry, Dalian University of Technology, Dalian 116024, People's Republic of China.
| | - Fei Li
- State Key Laboratory of Fine Chemicals, Frontier Science Center for Smart Materials, Dalian University of Technology, Dalian 116024, People's Republic of China.
| | - Lei Shi
- School of Chemistry, Dalian University of Technology, Dalian 116024, People's Republic of China.
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2
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Liu C, Yu J, Bao L, Zhang G, Zou X, Zheng B, Li Y, Zhang Y. Electricity-Promoted Friedel-Crafts Acylation of Biarylcarboxylic Acids. J Org Chem 2023; 88:3794-3801. [PMID: 36861957 DOI: 10.1021/acs.joc.2c03071] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
An electricity-promoted method for Friedel-Crafts acylation of biarylcarboxylic acids is described in this research. Various fluorenones can be accessed in up to 99% yields. During the acylation, electricity plays an essential role, which might motivate the chemical equilibrium by consuming the generated TFA. This study is predicted to provide an avenue to realize Friedel-Crafts acylation in a more environmentally friendly process.
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Affiliation(s)
- Chen Liu
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Jiage Yu
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Liang Bao
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Gaoyuan Zhang
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Xinyue Zou
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Bing Zheng
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Yiyi Li
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Yunfei Zhang
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
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3
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Xu X, Liu Z, Yao L. The Synthesis of Urolithins and their Derivatives and the Modes of Antitumor Action. Mini Rev Med Chem 2023; 23:80-87. [PMID: 35578881 DOI: 10.2174/1389557522666220516125500] [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: 01/18/2022] [Revised: 02/16/2022] [Accepted: 02/24/2022] [Indexed: 11/22/2022]
Abstract
Urolithins are microbial metabolites derived from berries and pomegranate fruits, which display anti-inflammatory, anti-oxidative, and anti-aging activities. There are eight natural urolithins (urolithin A-E, M5, M6 and M7), which have been isolated by now. Structurally, urolithins are phenolic compounds and belong to 6H-dibenzo [b,d] pyran-6-one. They have drawn considerable attention because of their vast range of biological activities and health benefits. Recent studies also suggest that they possess anti-SARS-CoV-2 and anticancer effects. In this article, the recent advances in the synthesis of urolithins and their derivatives from 2015 to 2021 are reviewed. To improve or overcome the solubility and metabolism stability issues, the modifications of urolithins are mainly centered on the hydroxy group and lactone group, and some compounds have been found to display promising results and the potential for further study. The possible modes of antitumor action of urolithin are also discussed. Several signaling pathways, including PI3K-Akt, Wnt/β-catenin pathways, and multiple receptors (aryl hydrocarbon receptor, estrogen and androgen receptors) and enzymes (tyrosinase and lactate dehydrogenase) are involved in the antitumor activity of urolithins.
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Affiliation(s)
- Xiangrong Xu
- School of Pharmacy, Yantai University, Yantai 264005, China
| | - Zhuanhong Liu
- School of Pharmacy, Yantai University, Yantai 264005, China
| | - Lei Yao
- School of Pharmacy, Yantai University, Yantai 264005, China
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4
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Chao M, Wang H, Zhang H, Zhong F, Luo Z, Wu F, Sun F, Jiang J, He X, Zhang S, Gong P, Wang B, Shen D. Cobalt (II)‐Catalyzed Oxidation of 2‐Aryl Benzoic Acids to Access Biaryl Lactones. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6809] [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)
- Mianran Chao
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Hongyan Wang
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Haixing Zhang
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Fubi Zhong
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Zhen Luo
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Fengyun Wu
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Feiyang Sun
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Jiaojiao Jiang
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Xuexue He
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Shumiao Zhang
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Peiwei Gong
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
| | - Bin Wang
- School of Chemistry and Chemical Engineering University of Jinan Jinan P. R. China
| | - Duyi Shen
- Key Laboratory of Life‐Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering Qufu Normal University Qufu P. R. China
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5
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Bugaenko DI, Karchava AV, Yurovskaya MA. Transition metal-free cross-coupling reactions with the formation of carbon-heteroatom bonds. RUSSIAN CHEMICAL REVIEWS 2022. [DOI: 10.1070/rcr5022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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6
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Wang ZH, Wei L, Jiao KJ, Ma C, Mei TS. Nickel-Catalyzed Decarboxylative Cross-Coupling of Indole-3-acetic Acids with Aryl Bromides by Convergent Paired Electrolysis. Chem Commun (Camb) 2022; 58:8202-8205. [DOI: 10.1039/d2cc02641d] [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
Herein, nickel-catalyzed decarboxylative cross-coupling of indole-3-acetic acids with aryl bromides by convergent paired electrolysis was developed in an undivided cell. This protocol features good functional group tolerance, chemical redox agent-...
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7
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Chao M, Wang F, Xu L, Ju Y, Chen Z, Wang B, Gong P, You J, Jin M, Shen D. Cerium Ammonium Nitrate-Mediated Access to Biaryl Lactones: Substrate Scopes and Mechanism Studies. J Org Chem 2021; 86:13371-13380. [PMID: 34533324 DOI: 10.1021/acs.joc.1c01479] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein we described an access to biaryl lactones from ortho-aryl benzoic acids via intramolecular O-H/C-H oxidative coupling with the commonly used cerium ammonium nitrate (CAN) as the one-electron oxidant under a thermal condition. The radical interrupting experiment suggested a radical process, while the kinetic isotope effect (KIE) showed that the C-H cleavage likely was not involved in the rate-determining step. Competitive reactions, especially the strikingly different ρ values of Hammett equations, indicated that the reaction rate was more sensitive to the electronic properties on the aryl moiety rather than the carboxylic moiety, which corresponded to the first single electron transfer (SET) step. In addition, the quite negative ρ values (-4.7) of the aryl moiety unveiled the remarkable electrophilic nature of the second intramolecular radical addition process, which was also consistent with product yields and regioselectivity. Moreover, control experiments disclosed that the single electron in the third step was also transferred to CeIV instead of molecular oxygen. Besides, the possible role of co-solvents trifluoroethanol (TFE) and its influences on the CeIV species were discussed. This work elucidated the possible mechanism by proposing the step that had more effects on the total reaction rate and the species that was responsible for the last single electron transfer.
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Affiliation(s)
- Mianran Chao
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China
| | - Fang Wang
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China
| | - Linlin Xu
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China
| | - Yanping Ju
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China
| | - Zixuan Chen
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China
| | - Bin Wang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P.R. China
| | - Peiwei Gong
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China
| | - Jinmao You
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China.,Northwest Institute of Plateau Biology, Chinese Academy of Science, Xining 810001, P.R. China
| | - Ming Jin
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China
| | - Duyi Shen
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P.R. China
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8
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Wang D, Wan Z, Zhang H, Lei A. Electrochemical Oxidative Functionalization of Arylalkynes: Access to α,α‐Dibromo Aryl Ketones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001105] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Dan Wang
- The Institute for Advanced Studies (IAS) College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 People's Republic of China
| | - Zhaohua Wan
- The Institute for Advanced Studies (IAS) College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 People's Republic of China
| | - Heng Zhang
- The Institute for Advanced Studies (IAS) College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 People's Republic of China
| | - Aiwen Lei
- The Institute for Advanced Studies (IAS) College of Chemistry and Molecular Sciences Wuhan University Wuhan 430072 People's Republic of China
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9
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Estruch-Blasco M, Bosque I, Guijarro D, Gonzalez-Gomez JC. Electrochemically site-selective alkoxylation of twisted 2-arylbenzoic acids via spirolactonization. Org Chem Front 2021. [DOI: 10.1039/d1qo00834j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Twisted σ-biphenyl-2-carboxyl radicals show a significant spin density in the adjacent aryl ring, facilitating the spirocyclization. Electro-cross coupling with alcohols and isomerization provide a site-selective alkoxylation of 2-arylbenzoic acids.
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Affiliation(s)
- Manel Estruch-Blasco
- Instituto de Síntesis Orgánica (ISO) and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Irene Bosque
- Instituto de Síntesis Orgánica (ISO) and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - David Guijarro
- Instituto de Síntesis Orgánica (ISO) and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Jose C. Gonzalez-Gomez
- Instituto de Síntesis Orgánica (ISO) and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
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10
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Sbei N, Aslam S, Ahmed N. Organic synthesis via Kolbe and related non-Kolbe electrolysis: an enabling electro-strategy. REACT CHEM ENG 2021. [DOI: 10.1039/d1re00047k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Herein, the electrolysis process, where the anodic oxidation of carboxylic acids leads to decarboxylation, has been discussed to synthesize organic molecules.
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Affiliation(s)
- Najoua Sbei
- Organic Chemistry Department
- Peoples' Friendship University of Russia (RUDN University)
- Moscow
- Russian Federation
- Institute of Nanotechnology
| | - Samina Aslam
- Department of Chemistry
- The Women University Multan
- Multan 60000
- Pakistan
| | - Nisar Ahmed
- International Centre for Chemical and Biological Sciences
- HEJ Research Institute of Chemistry
- University of Karachi
- Karachi 75270
- Pakistan
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11
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Chen N, Ye Z, Zhang F. Recent progress on electrochemical synthesis involving carboxylic acids. Org Biomol Chem 2021; 19:5501-5520. [PMID: 34079974 DOI: 10.1039/d1ob00420d] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Carboxylic acids are not only essential sections of medicinal molecules, natural products and agrochemicals but also basic building blocks for organic synthesis. However, high temperature, expensive catalysts and excess oxidants are normally required for carboxylic acid group transformations. Therefore, more eco-friendly and efficient methods are urgently needed. Organic electrochemistry, as an environmentally friendly and sustainable synthetic method, can potentially avoid the above problems and is favored by more and more organic chemists. This review summarized the recent progress on the electrochemical synthesis of carboxylic acids to construct more complex compounds, emphasizing the development of electrosynthesis methodologies and mechanisms in order to attract more chemists to recognize the importance and applications of electrochemical synthesis.
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Affiliation(s)
- Na Chen
- College of Pharmaceutical Science, Zhejiang University of Technology, No. 18 Chaowang Road, Hangzhou, Zhejiang 310014, China.
| | - Zenghui Ye
- College of Pharmaceutical Science, Zhejiang University of Technology, No. 18 Chaowang Road, Hangzhou, Zhejiang 310014, China.
| | - Fengzhi Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, No. 18 Chaowang Road, Hangzhou, Zhejiang 310014, China.
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12
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Efficient synthesis of imino-1,3-thiazinan-4-one promoted by acetonitrile electrogenerated base and computational studies with CB1 and 11 βHSD1 molecules. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04276-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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Zhang Z, Zhang L, Zhang X, Yang J, Yin Y, Jiang Y, Zeng C, Lu G, Yang Y, Mo F. Anodic oxidation triggered divergent 1,2- and 1,4-group transfer reactions of β-hydroxycarboxylic acids enabled by electrochemical regulation. Chem Sci 2020; 11:12021-12028. [PMID: 34123217 PMCID: PMC8162457 DOI: 10.1039/d0sc02386h] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
We report a set of electrochemically regulated protocols for the divergent synthesis of ketones and β-keto esters from the same β-hydroxycarboxylic acid starting materials. Enabled by electrochemical control, the anodic oxidation of carboxylic acids proceeded in either a one-electron or a two-electron pathway, leading to a 1,4-aryl transfer or a semipinacol-type 1,2-group transfer product with excellent chemoselectivity. The 1,4-aryl transfer represents an unprecedented example of carbon-to-oxygen group transfer proceeding via a radical mechanism. In contrast to previously reported radical group transfer reactions, this 1,4-group transfer process features the migration of electron-rich aryl substituents. Furthermore, with these chemoselective electrochemical oxidation protocols, a range of ketones and β-keto esters including those possessing a challenging-to-access medium-sized ring could be synthesized in excellent yields. We report a set of electrochemically regulated protocols for the divergent synthesis of ketones and β-keto esters from the same β-hydroxycarboxylic acid starting materials.![]()
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Affiliation(s)
- Zhenxing Zhang
- Department of Energy and Resources Engineering, College of Engineering, Peking University Beijing 100871 China .,College of Chemistry and Chemical Engineering, Anyang Normal University Anyang 455000 China
| | - Lei Zhang
- Department of Energy and Resources Engineering, College of Engineering, Peking University Beijing 100871 China
| | - Xianhao Zhang
- WuXi AppTec (Tianjin) Co., Ltd Tianjin 300457 P. R. China
| | - Jianxin Yang
- WuXi AppTec (Tianjin) Co., Ltd Tianjin 300457 P. R. China
| | - Yunxing Yin
- WuXi AppTec (Tianjin) Co., Ltd Tianjin 300457 P. R. China
| | - Yangye Jiang
- College of Life Science & Bioengineering, Beijing University of Technology Beijing 100124 China
| | - Chengchu Zeng
- College of Life Science & Bioengineering, Beijing University of Technology Beijing 100124 China
| | - Gang Lu
- School of Chemistry and Chemical Engineering, Shandong University Jinan Shandong 250100 China
| | - Yang Yang
- Department of Chemistry and Biochemistry, University of California Santa Barbara California 93106 USA
| | - Fanyang Mo
- Department of Energy and Resources Engineering, College of Engineering, Peking University Beijing 100871 China .,Jiangsu Donghai Silicon Industry S&T Innovation Center Jiangsu 222300 China
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14
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Wang D, Ma Z, Wang N, Li C, Wang T, Liang Y, Zhang Z. Synthesis of 7-hydroxy-6H-naphtho[2,3-c]coumarin via a TsOH-mediated tandem reaction. Chem Commun (Camb) 2020; 56:10369-10372. [PMID: 32766650 DOI: 10.1039/d0cc04452k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A concise and efficient method for the synthesis of 7-hydroxy-6H-naphtho[2,3-c]coumarin using available 1-(2-hydroxyphenyl)-2-phenylethanone and Meldrum's acid has been developed. This transformation involved a tandem aldol reaction/lactonization/Friedel-Crafts reaction to form a lactone ring and a benzene ring. It showed high atom economy with water and acetone as the byproducts. Mechanism studies demonstrated two roles of Meldrum's acid: (i) as the reagent for the tandem reaction, and (ii) as the catalyst for the Friedel-Crafts reaction. Moreover, the hydroxyl group of 7-hydroxy-6H-naphtho[2,3-c]coumarin was further functionalized efficiently by arylethynyl, aryl, and cyano groups to furnish D-π-A compounds with excellent fluorescence emissions (ΦF = 0.14-0.78).
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Affiliation(s)
- Ding Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering, and Basic Experimental Teaching Center, Shaanxi Normal University, Xi'an 710119, China.
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15
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Li J, Yang P, Xie X, Jiang S, Tao L, Li Z, Lu C, Liu W. Catalyst‐Free Electrosynthesis of Benzimidazolones through Intramolecular Oxidative C−N Coupling. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000198] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Jiang‐Sheng Li
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Food EngineeringChangsha University of Science & Technology Changsha 410114 People's Republic of China
| | - Pan‐Pan Yang
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Food EngineeringChangsha University of Science & Technology Changsha 410114 People's Republic of China
| | - Xin‐Yun Xie
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Food EngineeringChangsha University of Science & Technology Changsha 410114 People's Republic of China
| | - Si Jiang
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Food EngineeringChangsha University of Science & Technology Changsha 410114 People's Republic of China
| | - Li Tao
- State Grid Hunan Electric Power Company Limited Research Institute Changsha 410004 People's Republic of China
| | - Zhi‐Wei Li
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Food EngineeringChangsha University of Science & Technology Changsha 410114 People's Republic of China
| | - Cui‐Hong Lu
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Food EngineeringChangsha University of Science & Technology Changsha 410114 People's Republic of China
| | - Wei‐Dong Liu
- National Engineering Research Center for AgrochemicalsHunan Research Institute of Chemical Industry Changsha 410007 People's Republic of China
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16
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Li M, Hong J, Xiao W, Yang Y, Qiu D, Mo F. Electrocatalytic Oxidative Transformation of Organic Acids for Carbon-Heteroatom and Sulfur-Heteroatom Bond Formation. CHEMSUSCHEM 2020; 13:1661-1687. [PMID: 31804002 DOI: 10.1002/cssc.201902657] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/01/2019] [Indexed: 06/10/2023]
Abstract
The electrolysis of organic acids has garnered increasing attention in recent years. In addition to the famous electrochemical decarboxylation known as Kolbe electrolysis, a number of other electrochemical processes have been recently established that allow for the construction of carbon-heteroatom and sulfur-heteroatom bonds from organic acids. Herein, recent advances in electrochemical C-X and S-X (X=N, O, S, Se) bond-forming reactions from five classes of organic acids and their conjugate bases, namely, carboxylic, thiocarboxylic, phosphonic, sulfinic, and sulfonic acids, are surveyed.
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Affiliation(s)
- Man Li
- Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing, 100871, P.R. China
| | - Junting Hong
- Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing, 100871, P.R. China
| | - Wei Xiao
- Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing, 100871, P.R. China
| | - Yang Yang
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Di Qiu
- Tianjin Key Laboratory of Structure and Performance, for Functional Molecules, MOE Key Laboratory of, Inorganic-Organic Hybrid Functional Materials Chemistry, College of Chemistry, Tianjin Normal University, Tianjin, 300387, P.R. China
| | - Fanyang Mo
- Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing, 100871, P.R. China
- Jiangsu Donghai Silicon Industry S&T Innovation Center, Donghai County, Jiangsu, 222300, P.R. China
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17
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Listratova AV, Sbei N, Voskressensky LG. Catalytic Electrosynthesis of N
,O
-Heterocycles - Recent Advances. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901635] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Anna V. Listratova
- Organic Chemistry Department; Peoples' Friendship University of Russia (RUDN University); 6 Miklukho-Maklaya St. 117198 Moscow Russian Federation
| | - Najoua Sbei
- Organic Chemistry Department; Peoples' Friendship University of Russia (RUDN University); 6 Miklukho-Maklaya St. 117198 Moscow Russian Federation
| | - Leonid G. Voskressensky
- Organic Chemistry Department; Peoples' Friendship University of Russia (RUDN University); 6 Miklukho-Maklaya St. 117198 Moscow Russian Federation
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18
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Xia S, Hu K, Lei C, Jin J. Intramolecular Aromatic C–H Acyloxylation Enabled by Iron Photocatalysis. Org Lett 2020; 22:1385-1389. [DOI: 10.1021/acs.orglett.0c00002] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Siqi Xia
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Road, Shanghai 200444, China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 20032, China
| | - Kunjun Hu
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 20032, China
| | - Chuanhu Lei
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Road, Shanghai 200444, China
| | - Jian Jin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 20032, China
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19
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Dong Y, Yu JT, Sun S, Cheng J. Rh(iii)-Catalyzed sequential ortho-C-H oxidative arylation/cyclization of sulfoxonium ylides with quinones toward 2-hydroxy-dibenzo[b,d]pyran-6-ones. Chem Commun (Camb) 2020; 56:6688-6691. [PMID: 32412018 DOI: 10.1039/d0cc00176g] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A rhodium(iii)-catalyzed ortho-C-H functionalization of sulfoxonium ylides followed by intramolecular annulation reactions with quinones was described, where the carbonyl in sulfoxonium ylides served as a chelation group. This protocol leads to the efficient formation of 2-hydroxy-6H-benzo[c]chromen-6-one derivatives, proceeding with the cleavage of the C(O)-S bond in sulfoxonium ylides. This protocol featured high chemo-selectivity and functional group tolerance, where sulfoxonium ylides acted as the aroyl sources.
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Affiliation(s)
- Yaqun Dong
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Gehu Road 1, Changzhou, 213164, P. R. China.
| | - Jin-Tao Yu
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Gehu Road 1, Changzhou, 213164, P. R. China.
| | - Song Sun
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Gehu Road 1, Changzhou, 213164, P. R. China.
| | - Jiang Cheng
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Gehu Road 1, Changzhou, 213164, P. R. China.
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20
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Togo H, Nakamura M. Facile Preparation of 3,4-Benzocoumarins from 2-Arylbenzoic Acids with NCS and Nai. HETEROCYCLES 2020. [DOI: 10.3987/com-20-14292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Wu Y, Zhang M, Zhang Y, Li M, Feng W, Zheng X, Tang L. NBS-activated cross-dehydrogenative esterification of carboxylic acids with DMSO. Org Chem Front 2020. [DOI: 10.1039/d0qo00617c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A convenient and versatile cross-dehydrogenative esterification of carboxylic acids with DMSO for preparing (methylsulfinyl)methyl esters has been developed in the presence of N-bromosuccinimide.
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Affiliation(s)
- Ya Wu
- School of Pharmacy & Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province
- Henan University of Chinese Medicine
- Zhengzhou
- China
| | - Mengsha Zhang
- School of Pharmacy & Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province
- Henan University of Chinese Medicine
- Zhengzhou
- China
| | - Yanli Zhang
- School of Pharmacy & Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province
- Henan University of Chinese Medicine
- Zhengzhou
- China
| | - Mingyang Li
- School of Pharmacy & Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province
- Henan University of Chinese Medicine
- Zhengzhou
- China
| | - Weisheng Feng
- School of Pharmacy & Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province
- Henan University of Chinese Medicine
- Zhengzhou
- China
| | - Xiaoke Zheng
- School of Pharmacy & Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province
- Henan University of Chinese Medicine
- Zhengzhou
- China
| | - Lin Tang
- College of Chemistry and Chemical Engineering
- Xinyang Normal University
- Xinyang
- China
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22
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Bao X, Jiang W, Liang J, Huo C. One-electron oxidative dehydrogenative annulation and cyclization reactions. Org Chem Front 2020. [DOI: 10.1039/d0qo00422g] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review focuses on the recent advances in one-electron oxidation involved oxidative dehydrogenative annulations and cyclizations for the intermolecular and intramolecular construction of valuable ring structures.
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Affiliation(s)
- Xiazhen Bao
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Wei Jiang
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Jia Liang
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Congde Huo
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
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23
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Yuan Y, Lei A. Electrochemical Oxidative Cross-Coupling with Hydrogen Evolution Reactions. Acc Chem Res 2019; 52:3309-3324. [PMID: 31774271 DOI: 10.1021/acs.accounts.9b00512] [Citation(s) in RCA: 390] [Impact Index Per Article: 78.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Oxidative cross-coupling has proved to be one of the most straightforward strategies for forming carbon-carbon and carbon-heteroatom bonds from easily available precursors. Over the past two decades, tremendous efforts have been devoted in this field and significant advances have been achieved. However, in order to remove the surplus electrons from substrates for chemical bonds formation, stoichiometric oxidants are usually needed. Along with the development of modern sustainable chemistry, considerable efforts have been devoted to perform the oxidative cross-coupling reactions under external-oxidant-free conditions. Electrochemical synthesis is a powerful and environmentally benign approach, which can not only achieve the oxidative cross-couplings under external-oxidant-free conditions, but also release valuable hydrogen gas during the chemical bond formation. Recently, the electrochemical oxidative cross-coupling with hydrogen evolution reactions has been significantly explored. This Account presents our recent efforts toward the development of electrochemical oxidative cross-coupling with hydrogen evolution reactions. (1) We explored the oxidative cross-coupling of thiols/thiophenols with arenes, heteroarenes, and alkenes for C-S bond formation. (2) Using the strategy of electrochemical oxidative C-H/N-H cross-coupling with hydrogen evolution, we successfully realized the C-H amination of phenols, anilines, imidazopyridines, and even ethers. (3) Employing halide salts as the green halogenating reagents, we developed a clean C-H halogenation protocol under electrochemical oxidation conditions. To address the limitation that this reaction had to carry out in aqueous solvent, we also developed an alternative method that uses CBr4, CHBr3, CH2Br2, CCl3Br, and CCl4 as halogenating reagents and the mixture of acetonitrile and methanol as cosolvent. (4) We also developed an approach for constructing C-O bonds in a well-developed electrochemical oxidative cross-coupling with hydrogen evolution manner. (5) Under mild external-oxidant-free electrochemical conditions, we realized the C(sp2)-H and C(sp3)-H phosphonylation with modest to high yields. (6) We successfully achieved the S-H/S-H cross-coupling with hydrogen evolution under electrochemical oxidation conditions. By anodic oxidation instead of chemical oxidants, the overoxidation of thiols and thiophenols was well avoided. (7) The methods for constructing structurally diverse heterocyclic compounds were also developed via the electrochemical oxidative annulations. (8) We have also applied the electrochemical oxidative cross-coupling with hydrogen evolution strategy to the alkenes difunctionalization for constructing multiple bonds in one step, such as C-S/C-O bonds, C-S/C-N bonds, C-Se/C-O bonds, and C-Se/C-N bonds. We hope our studies will stimulate the research interest of chemists and pave the way for the discovery of more electrochemical oxidative cross-coupling with hydrogen evolution reactions.
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Affiliation(s)
- Yong Yuan
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University, Wuhan 430072, People’s Republic of China
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University, Wuhan 430072, People’s Republic of China
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, People’s Republic of China
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24
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Vachan BS, Ramesh A, Karuppasamy M, Muthukrishnan I, Nagarajan S, Menéndez JC, Maheswari CU, Sridharan V. Oxidant-free, three-component synthesis of 7-amino-6 H-benzo[ c]chromen-6-ones under green conditions. RSC Adv 2019; 9:32946-32953. [PMID: 35529159 PMCID: PMC9073129 DOI: 10.1039/c9ra07108c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 10/03/2019] [Indexed: 01/24/2023] Open
Abstract
An oxidant-free three-component synthesis of biologically significant 7-amino-6H-benzo[c]chromen-6-ones was established involving a Sc(OTf)3 catalyzed three-component reaction between primary amines, β-ketoesters and 2-hydroxychalcones under green conditions. In this strategy, both the B and C rings of 6H-benzo[c]chromen-6-ones were constructed simultaneously starting from acyclic precursors by generating four new bonds including two C-C, one C-N and one C-O in a single synthetic operation. The mechanism of this sequential cascade process involves the initial formation of a β-enaminone intermediate followed by Michael addition with 2-hydroxychalcone, intramolecular cyclization, dehydration, lactonization and aromatization steps. Unlike the related literature approaches, this reaction delivered the products without the addition of any external oxidants to achieve the key aromatization step.
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Affiliation(s)
- B S Vachan
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University Thanjavur-613401 Tamil Nadu India
| | - Aishwarya Ramesh
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University Thanjavur-613401 Tamil Nadu India
| | - Muthu Karuppasamy
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University Thanjavur-613401 Tamil Nadu India
| | - Isravel Muthukrishnan
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University Thanjavur-613401 Tamil Nadu India
| | - Subbiah Nagarajan
- Department of Chemistry, National Institute of Technology Warangal Warangal-506004 Telangana India
| | - J Carlos Menéndez
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense 28040 Madrid Spain
| | - C Uma Maheswari
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University Thanjavur-613401 Tamil Nadu India
| | - Vellaisamy Sridharan
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University Thanjavur-613401 Tamil Nadu India
- Department of Chemistry and Chemical Sciences, Central University of Jammu Rahya-Suchani (Bagla), District-Samba Jammu-181143 J&K India
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25
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Lu F, Li J, Wang T, Li Z, Jiang M, Hu X, Pei H, Yuan F, Lu L, Lei A. Electrochemical Oxidative C−H Sulfonylation of Anilines. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900447] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Fangling Lu
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
| | - Jun Li
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
| | - Tao Wang
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
| | - Zhen Li
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
| | - Minbao Jiang
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
| | - Xingxing Hu
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
| | - Hongqiao Pei
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
| | - Feng Yuan
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
| | - Lijun Lu
- College of Chemistry and Molecular Sciences The Institute for Advanced Studies (IAS)Wuhan University Wuhan, Hubei 430072 P. R. China
| | - Aiwen Lei
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang 330022, Jiangxi P. R. China
- College of Chemistry and Molecular Sciences The Institute for Advanced Studies (IAS)Wuhan University Wuhan, Hubei 430072 P. R. China
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26
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Wei YM, Wang MF, Duan XF. Is Fe-catalyzed ortho C–H Arylation of Benzamides Sensitive to Steric Hindrance and Directing Group? Org Lett 2019; 21:6471-6475. [DOI: 10.1021/acs.orglett.9b02359] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yi-Ming Wei
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Meng-Fei Wang
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Xin-Fang Duan
- College of Chemistry, Beijing Normal University, Beijing 100875, China
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27
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Boonsombat J, Thongnest S, Ruchirawat S. A Concise Approach to Oxo-Dehydrorotenoid by Direct Lactonization and the Total Syntheses of Stemonone, Rotenonone, 6-Oxo-dehydroelliptone, and 6-Oxo-6a,12a-dehydrodeguelin. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900078] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jutatip Boonsombat
- Chulabhorn Research Institute; Kamphaeng Phet 6 Road 10210 Bangkok Thailand
| | - Sanit Thongnest
- Chulabhorn Research Institute; Kamphaeng Phet 6 Road 10210 Bangkok Thailand
| | - Somsak Ruchirawat
- Chulabhorn Research Institute; Kamphaeng Phet 6 Road 10210 Bangkok Thailand
- Chulabhorn Graduate Institute; Chemical Biology Program; Chulabhorn Royal Academy; Kamphaeng Phet 6 Road 10210 Bangkok Thailand
- Center of Excellence on Environmental Health and Toxicology (EHT); Chemical Biology Program; PERDO, the Ministry of Education; Thailand
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28
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Hong J, Liu Q, Li F, Bai G, Liu G, Li M, Nayal OS, Fu X, Mo F. Electrochemical Radical Borylation of Aryl Iodides. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Junting Hong
- Department of Energy and Resources Engineering, College of EngineeringPeking University Beijing 100871 China
| | - Qianyi Liu
- Department of Energy and Resources Engineering, College of EngineeringPeking University Beijing 100871 China
| | - Feng Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical SciencesPeking University Beijing 100871 China
| | - Guangcan Bai
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical SciencesPeking University Beijing 100871 China
| | - Guoquan Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical SciencesPeking University Beijing 100871 China
| | - Man Li
- Department of Energy and Resources Engineering, College of EngineeringPeking University Beijing 100871 China
| | - Onkar S. Nayal
- Department of Energy and Resources Engineering, College of EngineeringPeking University Beijing 100871 China
| | - Xuefeng Fu
- Department of Biomedical Engineering, College of EngineeringPeking University Beijing 100871 China
| | - Fanyang Mo
- Department of Energy and Resources Engineering, College of EngineeringPeking University Beijing 100871 China
- Jiangsu Donghai Silicon Industry S&T Innovation CenterJiangsu Weiming Environmental Protection S&T Co., Ltd., No. 38, Guangming Rd, Donghai County Jiangsu 222300 China
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29
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Zhang Z, Zhang L, Cao Y, Li F, Bai G, Liu G, Yang Y, Mo F. Mn-Mediated Electrochemical Trifluoromethylation/C(sp 2)-H Functionalization Cascade for the Synthesis of Azaheterocycles. Org Lett 2019; 21:762-766. [PMID: 30672710 DOI: 10.1021/acs.orglett.8b04010] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A general electrohemical strategy for the combined trifluoromethylation/C(sp2)-H functionalization using Langlois' reagent as the CF3 source under oxidant-free conditions was developed. Using Mn salts as the redox mediator, this method provides an efficient and sustainable means to access a variety of functionalized heterocycles bearing a CF3 moiety. Detailed mechanistic studies are consistent with the formation of CF3-bound high oxidation state Mn species, suggesting a transition-metal-mediated CF3 transfer mechanism for this trifluoromethylation/C(sp2)-H functionalization process.
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Affiliation(s)
| | | | | | | | | | | | - Yang Yang
- Division of Chemistry and Chemical Engineering , California Institute of Technology , Pasadena , California 91125 , United States
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30
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Wu QL, Chen XG, Huo CD, Wang XC, Quan ZJ. Electrochemically driven P–H oxidation and functionalization: synthesis of carbamoylphosphonates from phosphoramides and alcohols. NEW J CHEM 2019. [DOI: 10.1039/c8nj05739g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Electrochemical synthesis of carbamoylphosphonates via P–H phosphorylation and oxygenation of phosphinecarboxamides with alcohols by using n-Bu4NI (10 mol%) as an iodine source.
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Affiliation(s)
- Qiu-Li Wu
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
| | - Xing-Guo Chen
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
| | - Cong-De Huo
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
| | - Xi-Cun Wang
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
| | - Zheng-Jun Quan
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
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31
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Yu H, Jiao M, Huang R, Fang X. Electrochemical Intramolecular Dehydrogenative Coupling of N
-Benzyl(thio)amides: A Direct and Facile Synthesis of 4H
-1,3-Benzoxazines and 4H
-1,3-Benzothiazines. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hui Yu
- School of Chemical Science and Engineering; Shanghai Key Lab of Chemical Assessment and Substainability; Tongji University; 1239 Siping Road 200092 Shanghai P. R. China
| | - Mingdong Jiao
- School of Chemical Science and Engineering; Shanghai Key Lab of Chemical Assessment and Substainability; Tongji University; 1239 Siping Road 200092 Shanghai P. R. China
| | - Ruohe Huang
- School of Chemical Science and Engineering; Shanghai Key Lab of Chemical Assessment and Substainability; Tongji University; 1239 Siping Road 200092 Shanghai P. R. China
| | - Xiaowei Fang
- School of Chemical Science and Engineering; Shanghai Key Lab of Chemical Assessment and Substainability; Tongji University; 1239 Siping Road 200092 Shanghai P. R. China
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32
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Liu Q, Sun B, Liu Z, Kao Y, Dong BW, Jiang SD, Li F, Liu G, Yang Y, Mo F. A general electrochemical strategy for the Sandmeyer reaction. Chem Sci 2018; 9:8731-8737. [PMID: 30627393 PMCID: PMC6289102 DOI: 10.1039/c8sc03346c] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 09/17/2018] [Indexed: 11/21/2022] Open
Abstract
Herein we report a general electrochemical strategy for the Sandmeyer reaction.
Herein we report a general electrochemical strategy for the Sandmeyer reaction. Using electricity as the driving force, this protocol employs a simple and inexpensive halogen source, such as NBS, CBrCl3, CH2I2, CCl4, LiCl and NaBr for the halogenation of aryl diazonium salts. In addition, we found that these electrochemical reactions could be performed using anilines as the starting material in a one-pot fashion. Furthermore, the practicality of this process was demonstrated in the multigram scale synthesis of aryl halides using highly inexpensive graphite as the electrode. A series of detailed mechanism studies have been performed, including radical clock and radical scavenger study, cyclic voltammetry analysis and in situ electron paramagnetic resonance (EPR) analysis.
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Affiliation(s)
- Qianyi Liu
- Department of Energy and Resources Engineering , College of Engineering , Peking University , Beijing 100871 , China .
| | - Beiqi Sun
- Department of Energy and Resources Engineering , College of Engineering , Peking University , Beijing 100871 , China .
| | - Zheng Liu
- Beijing National Laboratory for Molecular Sciences , College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China
| | - Yi Kao
- Beijing National Laboratory for Molecular Sciences , College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China
| | - Bo-Wei Dong
- Beijing National Laboratory for Molecular Sciences , College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China
| | - Shang-Da Jiang
- Beijing National Laboratory for Molecular Sciences , College of Chemistry and Molecular Engineering , Peking University , Beijing 100871 , China
| | - Feng Li
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Beijing 100871 , China
| | - Guoquan Liu
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Beijing 100871 , China
| | - Yang Yang
- Department of Chemistry , University of California , Berkeley , CA 94720 , USA
| | - Fanyang Mo
- Department of Energy and Resources Engineering , College of Engineering , Peking University , Beijing 100871 , China .
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33
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Kärkäs MD. Electrochemical strategies for C-H functionalization and C-N bond formation. Chem Soc Rev 2018; 47:5786-5865. [PMID: 29911724 DOI: 10.1039/c7cs00619e] [Citation(s) in RCA: 594] [Impact Index Per Article: 99.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Conventional methods for carrying out carbon-hydrogen functionalization and carbon-nitrogen bond formation are typically conducted at elevated temperatures, and rely on expensive catalysts as well as the use of stoichiometric, and perhaps toxic, oxidants. In this regard, electrochemical synthesis has recently been recognized as a sustainable and scalable strategy for the construction of challenging carbon-carbon and carbon-heteroatom bonds. Here, electrosynthesis has proven to be an environmentally benign, highly effective and versatile platform for achieving a wide range of nonclassical bond disconnections via generation of radical intermediates under mild reaction conditions. This review provides an overview on the use of anodic electrochemical methods for expediting the development of carbon-hydrogen functionalization and carbon-nitrogen bond formation strategies. Emphasis is placed on methodology development and mechanistic insight and aims to provide inspiration for future synthetic applications in the field of electrosynthesis.
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Affiliation(s)
- Markus D Kärkäs
- Department of Chemistry, Organic Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden.
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34
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Shao A, Li N, Gao Y, Zhan J, Chiang CW, Lei A. Electrochemical Intramolecular C-H/O-H Cross-Coupling of 2-Arylbenzoic Acids. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201800031] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ailong Shao
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences Wuhan University; Wuhan Hubei 430072 China
| | - Na Li
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences Wuhan University; Wuhan Hubei 430072 China
| | - Yong Gao
- College of Chemistry and Chemical Engineering; Jiangxi Normal University; Nanchang Jiangxi 330022 China
| | - Jirui Zhan
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences Wuhan University; Wuhan Hubei 430072 China
| | - Chien-Wei Chiang
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences Wuhan University; Wuhan Hubei 430072 China
| | - Aiwen Lei
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences Wuhan University; Wuhan Hubei 430072 China
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