1
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Xia D, Wang W, Xu X, Zhu Y, Li Q, Wang J, Zhang Y, Zhang WD. Access to Diverse Carbonyl Compounds by Catalyst-Free and Photoinduced Aerobic Cleavage of C=N Bonds. Chemistry 2024; 30:e202402607. [PMID: 39215487 DOI: 10.1002/chem.202402607] [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: 07/09/2024] [Revised: 08/28/2024] [Accepted: 08/29/2024] [Indexed: 09/04/2024]
Abstract
Functional group interconversion is of great significance in organic synthesis. However, aerobic cleavage of C=N bonds to access carbonyl compounds still suffered from some limitations such as harsh reaction conditions, stoichiometric oxidants, poor substrate scope and use of toxic reagents. Herein, we report a catalyst-free and photo-induced aerobic cleavage of C=N bonds to afford diverse carbonyl compounds using oxygen from air as green oxidant. This mild methodology permits N-tosylhydrazones converted into the corresponding carbonyl compounds including ketones, aldehydes and carboxylic acids, showing broad functional group tolerance and compatibility. Moreover, the gram-scale reaction and post-modification of complicated molecules proved the applicability and efficiency of this strategy. Finally, a plausible mechanism was proposed based on spectroscopic investigations and detailed mechanistic studies.
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Affiliation(s)
- Dingding Xia
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, No. 1200, Cailun Road, Shanghai, 201203, China
| | - Weijie Wang
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, No. 1200, Cailun Road, Shanghai, 201203, China
| | - Xike Xu
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Yanping Zhu
- School of Pharmacy, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Shandong, Yantai, 264005, China
| | - Qiannan Li
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, No. 1200, Cailun Road, Shanghai, 201203, China
| | - Jinxin Wang
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Yu Zhang
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, No. 1200, Cailun Road, Shanghai, 201203, China
| | - Wei-Dong Zhang
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, No. 1200, Cailun Road, Shanghai, 201203, China
- School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
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2
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Lu D, Lu S, Ding CH, Li X, Xu B. Synthesis of β-Carbonyl α-Iminoamides by Double Insertion of Isocyanides into Aldehydes. Org Lett 2024; 26:6335-6340. [PMID: 39046225 DOI: 10.1021/acs.orglett.4c01871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
An unprecedented trimethylsilyl trifluoromethanesulfonate (TMSOTf)-promoted selective double insertion of isocyanides into aldehydes was developed, providing an efficient protocol for synthetically challenging β-carbonyl α-iminoamides. The given approach is applicable for a diverse selection of readily accessible aldehydes, along with isocyanides serving as essential precursors for "amide" and "imine" scaffolds. The versatile transformations of the given products were demonstrated, and the pivotal intermediates for the plausible mechanism were identified.
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Affiliation(s)
- Di Lu
- Department of Chemistry, Shanghai University, Shanghai 200444, People's Republic of China
| | - Shaohang Lu
- Department of Chemistry, Shanghai University, Shanghai 200444, People's Republic of China
| | - Chang-Hua Ding
- Department of Chemistry, Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, Shanghai University, Shanghai 200444, People's Republic of China
| | - Xinyao Li
- Department of Chemistry, Shanghai University, Shanghai 200444, People's Republic of China
| | - Bin Xu
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University, Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai 200444, People's Republic of China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People's Republic of China
- Joint International Research Laboratory of Biomaterials and Biotechnology in Organ Repair (Ministry of Education), Shanghai University, Shanghai 200444, People's Republic of China
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3
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Wang B, Zhang GM, Zhang H, Wang JY. B(C 6F 5) 3-catalyzed oxidation of α-diazoesters using DMF and molecular oxygen as oxygen sources. RSC Adv 2022; 12:33584-33588. [PMID: 36505720 PMCID: PMC9682326 DOI: 10.1039/d2ra05739e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/09/2022] [Indexed: 11/24/2022] Open
Abstract
A metal-free catalytic oxidation of α-diazoesters via a green environmental-friendly route was developed. The α-diazoesters were converted to α-ketoesters using DMF and molecular oxygen as oxygen sources and B(C6F5)3 as the catalyst, without any additives. This protocol has a broad adaptability of substrates and good compatibility with a range of functional groups, and it offers new insight into reactions catalyzed by B(C6F5)3.
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Affiliation(s)
- Bei Wang
- Department of Chemistry, Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Xihua UniversityChengdu 610041P. R. China,Chengdu Institute of Organic Chemistry, Chinese Academy of SciencesChengdu 610041P. R. China,University of Chinese Academy of SciencesBeijing 100049P. R. China
| | - Guo-Min Zhang
- Department of Chemistry, Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Xihua UniversityChengdu 610041P. R. China,Chengdu Institute of Organic Chemistry, Chinese Academy of SciencesChengdu 610041P. R. China,University of Chinese Academy of SciencesBeijing 100049P. R. China
| | - Hua Zhang
- Department of Chemistry, Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Xihua UniversityChengdu 610041P. R. China,Chengdu Institute of Organic Chemistry, Chinese Academy of SciencesChengdu 610041P. R. China,University of Chinese Academy of SciencesBeijing 100049P. R. China
| | - Ji-Yu Wang
- Department of Chemistry, Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Xihua UniversityChengdu 610041P. R. China,Chengdu Institute of Organic Chemistry, Chinese Academy of SciencesChengdu 610041P. R. China
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4
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Rhodium-Catalyzed Aerobic Conversion of 2-Diazo-1,3-dicarbonyls to Vicinal Tricarbonyl Compounds and Their In-Situ Stability Toward Oxidative Degradation. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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5
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Ruan M, Chen L, Wen Z, Yang F, Ma C, Lu C, Yang G, Gao M. Electrochemical two-electron oxygen reduction reaction (ORR) induced aerobic oxidation of α-diazoesters. Chem Commun (Camb) 2022; 58:2168-2171. [PMID: 35060985 DOI: 10.1039/d1cc06945d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Electrochemical oxygen reduction reaction (ORR) is a powerful tool for introducing oxygen functional groups in synthetic chemistry. However, compared with the well-developed one-electron oxygen reduction process, the applications of two-electron oxygen reduction in electrochemical synthesis have been seldom studied. We present herein our recent progress in the oxidation of α-diazoesters to α-ketoesters by in situ generated hydrogen peroxide via a two-electron oxygen reduction approach. A diverse collection of valuable α-ketoester products was obtained with moderate to high yields under an exogenous-oxidant-free and metal catalyst-free electrochemical conditions.
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Affiliation(s)
- Mengyao Ruan
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China.
| | - Liang Chen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China.
| | - Ziyang Wen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China.
| | - Fan Yang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China.
| | - Chao Ma
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China.
| | - Cuifen Lu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China.
| | - Guichun Yang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China.
| | - Meng Gao
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China.
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6
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Lichtenstein YI, Golovanov IS, Ioffe SL, Tabolin AA. Tandem [3+2]-cycloaddition/homo-Baldwin rearrangement of silyl nitronates and donor-acceptor cyclopropenes. A novel approach to polysubstituted aziridines starting from nitro compounds. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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7
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Lu W, Li W, Zhou Y, Xie Y, Chen W. Iridium(I)-catalyzed deoxgenation of fluoroalkylsulfoxides with dimethyl diazomalonate to access fluoroalkylthioethers. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.02.061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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8
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Wu X, Gao W, Zhou Y, Liu M, Wu H. Tris(pentafluorophenyl)borane‐Catalyzed Oxygen Insertion Reaction of
α
‐Diazoesters (α‐Diazoamides) with Dimethyl Sulfoxide. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Xiao‐Yang Wu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Wen‐Xia Gao
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Yun‐Bing Zhou
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Miao‐Chang Liu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
| | - Hua‐Yue Wu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou 325035 People's Republic of China
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9
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Wan Y, Zhu Y, Peng H, Deng G. Preparation of 4-(Nitromethyl)furan Derivatives and Their Application in the Syntheses of Bis(furan-2-yl)oximes. J Org Chem 2021; 87:281-293. [PMID: 34902975 DOI: 10.1021/acs.joc.1c02359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient method for the preparation of tetrasubstituted furans, which contains a nitromethyl group at the 4-position, has been developed. The applications of 4-(nitromethyl)furans on the synthesis of highly functionalized bis(furyl)oxime were explored for the first time.
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Affiliation(s)
- Yinbo Wan
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), Hunan Normal University, Changsha 410081, China.,Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha 410081, China
| | - Yang Zhu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), Hunan Normal University, Changsha 410081, China.,Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha 410081, China
| | - Haiyun Peng
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), Hunan Normal University, Changsha 410081, China.,Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha 410081, China
| | - Guisheng Deng
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), Hunan Normal University, Changsha 410081, China.,Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha 410081, China
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10
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Roy S, Kumar G, Chatterjee I. Photoinduced Diverse Reactivity of Diazo Compounds with Nitrosoarenes. Org Lett 2021; 23:6709-6713. [PMID: 34474577 DOI: 10.1021/acs.orglett.1c02279] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A diverse reactivity of diazo compounds with nitrosoarene in an oxygen-transfer process and a formal [2 + 2] cycloaddition is reported. Nitosoarene has been exploited as a mild oxygen source to oxidize an in situ generated carbene intermediate under visible-light irradiation. UV-light-mediated in situ generated ketenes react with nitosoarenes to deliver oxazetidine derivatives. These operationally simple processes exemplify a transition-metal-free and catalyst-free protocol to give structurally diverse α-ketoesters or oxazetidines.
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Affiliation(s)
- Sourav Roy
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab 140001, India
| | - Gourav Kumar
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab 140001, India
| | - Indranil Chatterjee
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab 140001, India
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11
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Zhao R, Teng J, Wang Z, Dong W, Lin J, Chu C. Copper on charcoal: Cu 0 nanoparticle catalysed aerobic oxidation of α-diazo esters. Org Biomol Chem 2021; 19:6120-6126. [PMID: 34179916 DOI: 10.1039/d1ob00811k] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By using a charcoal supported nano Cu0 catalyst (Cu/C), a highly efficient oxidation of α-diazo esters to α-ketoesters with molecular oxygen as the sole oxidant has been developed. In the presence of the Cu/C catalyst, 2-aryl-α-diazo esters with both electron-donating and electron-withdrawing groups can be oxidized to the corresponding α-ketoesters efficiently. Furthermore, this Cu/C catalyst can catalyse the reaction of aryl α-diazo ester with water to form aryl ketoester, 2-aryl-2-hydroxyl acetate ester and 2-aryl acetate ester. In this case, water is split by α-diazo ester, and the diazo group is displaced by the oxygen or hydrogen atom in water. Mechanistic investigation showed that the reaction of α-diazo ester with oxygen proceeds through a radical pathway. In the presence of 2,2,6,6-tetramethyl piperidine nitrogen oxide, the reaction of α-diazo ester with oxygen is dramatically inhibited. Furthermore, the reaction of α-diazo ester with water is investigated by an isotopic tracer method, and GCMS detection showed that a disproportionation reaction occurred between α-diazo ester and water.
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Affiliation(s)
- Rong Zhao
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Jiangge Teng
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Zhiwei Wang
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Wenwen Dong
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Jia Lin
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Changhu Chu
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
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12
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Wang Y, Cao X, Ji J, Cui X, Pi C, Zhao L, Wu Y. Water and fluorinated alcohol mediated/promoted tandem insertion/aerobic oxidation/bisindolylation under metal-free conditions: Easy access to bis(indolyl)methanes. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.12.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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13
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Hu W, Huang B, Niu B, Cai M. Recyclable heterogeneous gold(I)-catalyzed oxidation of internal acylalkynes: Practical access to vicinal tricarbonyls. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152953] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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14
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Liu HX, Ji F, Chen Y, Gao Y, Wang JK, Zhang MZ, Liu F, Sha Q. De Novo and Divergent Synthesis of Highly Functionalized Furans by Cascade Reactions of 2-Hydroxy-1,4-diones with Nucleophiles. Chemistry 2021; 27:5225-5229. [PMID: 33427337 DOI: 10.1002/chem.202005098] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/17/2020] [Indexed: 11/10/2022]
Abstract
Herein, a divergent synthesis of a variety of 2α- and 5α-substituted furan derivatives from 2-hydroxy-1,4-diones is reported. By using appropriate substrates and an acid catalyst, the reactions occurred selectively through cyclization/1,6-conjugate addition or cyclization/Friedel-Crafts-type cascade reactions. A broad range of nucleophilic reagents (>10 types for the 1,6-conjugate addition for 5α substitution and >20 types for the Friedel-Crafts-type cascade reaction for 2α substitution), including alcohols, amides, furan, thiophene, pyrrole, indole, phenols, and many others, can successfully participate in the reactions, providing a universal strategy for a diversity-oriented synthesis of α-substituted furan derivatives. Deuteriation experiments and DFT calculations were carried out to support the proposed reaction mechanisms. Antifungal activity experiments revealed that products with an indole or 4-hydroxycoumarin core substituted at the 2α position showed moderate activities against Rhizoctorzia solani and Botrytis cinerea, respectively.
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Affiliation(s)
- Hai-Xuan Liu
- Jiangsu Key Laboratory of Pesticide Science, and Department of, Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang Road, Xuanwu District, Nanjing, 210095, P.R. China
| | - Fei Ji
- Department of Pharmaceutical Engineering, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing, 211198, P.R. China
| | - Yu Chen
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P.R. China
| | - Ya Gao
- Jiangsu Key Laboratory of Pesticide Science, and Department of, Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang Road, Xuanwu District, Nanjing, 210095, P.R. China
| | - Jun-Ke Wang
- Jiangsu Key Laboratory of Pesticide Science, and Department of, Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang Road, Xuanwu District, Nanjing, 210095, P.R. China
| | - Ming-Zhi Zhang
- Jiangsu Key Laboratory of Pesticide Science, and Department of, Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang Road, Xuanwu District, Nanjing, 210095, P.R. China
| | - Fang Liu
- Jiangsu Key Laboratory of Pesticide Science, and Department of, Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang Road, Xuanwu District, Nanjing, 210095, P.R. China
| | - Qiang Sha
- Jiangsu Key Laboratory of Pesticide Science, and Department of, Chemistry, College of Sciences, Nanjing Agricultural University, 1 Weigang Road, Xuanwu District, Nanjing, 210095, P.R. China
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15
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Liu R, Liu Q, Meng H, Ding H, Hao J, Ji Z, Yue H, Wei W. Metal-free visible-light-induced aerobic oxidation of α-diazoesters leading to α-ketoesters in air. Org Chem Front 2021. [DOI: 10.1039/d0qo01587c] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A metal-free and visible-light-induced strategy has been established for the construction of α-ketoesters via aerobic oxidation of α-diazoesters with dioxygen in air at room temperature.
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Affiliation(s)
- Ruisheng Liu
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Qishun Liu
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Haoran Meng
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Hongyu Ding
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Jindong Hao
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Zhongyin Ji
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Huilan Yue
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research and Key Laboratory of Tibetan Medicine Research
- Northwest Institute of Plateau Biology
- Chinese Academy of Sciences
- Qinghai 810008
- China
| | - Wei Wei
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
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16
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Abstract
A practical Cu-catalyzed oxidation of α-diazoesters to α-ketoesters using molecular oxygen as an oxidant has been developed. Both electron-poor and electron-rich aryl α-diazoesters are suitable substrates and provide the α-ketoesters in good yields. In this oxidative system, α-diazo-β-ketoesters are also compatible as substrates but unexpectedly furnish α-ketoesters via C-C bond cleavage, rather than the vicinal tricarbonyl products.
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Affiliation(s)
- Changming Xu
- School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Yongchang Wang
- School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Lei Bai
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
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17
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Zhang YL, Guo RT, Luo H, Liang XS, Wang XC. Convergent Synthesis of Dihydropyrans from Catalytic Three-Component Reactions of Vinylcyclopropanes, Diazoesters, and Diphenyl Sulfoxide. Org Lett 2020; 22:5627-5632. [PMID: 32603126 DOI: 10.1021/acs.orglett.0c01992] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A novel Rh(I)/La(III) cocatalytic three-component reaction of vinylcyclopropanes, diazoesters, and diphenyl sulfoxide has been developed. The reaction gives polysubstituted dihydropyrans as the reaction products. Mechanistic studies indicate that isomerization of vinylcyclopropanes gives conjugated dienes, which then undergo [4 + 2]-cycloaddition with vicinal tricarbonyl compounds generated by oxygen atom transfer from diphenyl sulfoxide to diazoesters.
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Affiliation(s)
- Ya-Lin Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Rui-Ting Guo
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Heng Luo
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xin-Shen Liang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiao-Chen Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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18
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Dubovtsev AY, Shcherbakov NV, Dar’in DV, Kukushkin VY. Nature of the Nucleophilic Oxygenation Reagent Is Key to Acid-Free Gold-Catalyzed Conversion of Terminal and Internal Alkynes to 1,2-Dicarbonyls. J Org Chem 2019; 85:745-757. [DOI: 10.1021/acs.joc.9b02785] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexey Yu. Dubovtsev
- Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Nikolay V. Shcherbakov
- Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Dmitry V. Dar’in
- Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Vadim Yu. Kukushkin
- Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
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19
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2018. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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20
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Dubovtsev AY, Dar’in DV, Kukushkin VY. Gold(I)-Catalyzed Oxidation of Acyl Acetylenes to Vicinal Tricarbonyls. Org Lett 2019; 21:4116-4119. [DOI: 10.1021/acs.orglett.9b01297] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Alexey Yu. Dubovtsev
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Dmitry V. Dar’in
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Vadim Yu. Kukushkin
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
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21
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Dubovtsev AY, Dar'in DV, Kukushkin VY. Three‐Component [2+2+1] Gold(I)‐Catalyzed Oxidative Generation of Fully Substituted 1,3‐Oxazoles Involving Internal Alkynes. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900097] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Alexey Yu. Dubovtsev
- Saint Petersburg State University Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
| | - Dmitry V. Dar'in
- Saint Petersburg State University Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
| | - Vadim Yu. Kukushkin
- Saint Petersburg State University Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
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22
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Sha Q, Liu H. De novo synthesis of benzofurans via trifluoroacetic acid catalyzed cyclization/oxidative aromatization cascade reaction of 2-hydroxy-1,4-diones. Org Biomol Chem 2019; 17:7547-7551. [DOI: 10.1039/c9ob01422e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A simple metal-free cyclization/oxidative aromatization reaction starting from 2-hydroxy-1,4-diones for the de novo synthesis of benzofurans was developed.
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Affiliation(s)
- Qiang Sha
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
- P. R. China
| | - Haixuan Liu
- Sanhome R&D Centre
- Nanjing Sanhome Pharmaceutical Co
- Ltd
- Nanjing 211135
- P. R. China
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23
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Sha Q, Wang J, Doyle MP. Synthesis of 1 H-Pyrrol-3(2 H)-ones via Three-Component Reactions of 2,3-Diketo Esters, Amines, and Ketones. J Org Chem 2018; 83:11288-11297. [PMID: 30141636 DOI: 10.1021/acs.joc.8b01887] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient one-pot, three-component reaction of 2,3-diketo esters with amines and ketones has been developed for the synthesis of 1 H-pyrrol-3(2 H)-ones. By using trifluoroacetic acid (TFA) as the additive and acetonitrile (MeCN) as the solvent, this convenient method provides a library of 1 H-pyrrol-3(2 H)-ones in moderate to good yields. The simple protocol features readily available starting materials, a straightforward process, good functional group tolerance, and broad substrate scope.
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Affiliation(s)
- Qiang Sha
- Department of Chemistry, College of Sciences , Nanjing Agricultural University , Nanjing 210095 , P. R. China
| | - Junke Wang
- Department of Chemistry, College of Sciences , Nanjing Agricultural University , Nanjing 210095 , P. R. China
| | - Michael P Doyle
- Department of Chemistry , The University of Texas at San Antonio , San Antonio , Texas 78249 , United States
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24
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Petrosyan A, Hauptmann R, Pospech J. Heteroarene N
-Oxides as Oxygen Source in Organic Reactions. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800152] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Andranik Petrosyan
- Leibniz-Institut für Katalyse an der Universität Rostock e.V.; Albert-Einstein-Str. 29a 18057 Rostock Germany
| | - Richy Hauptmann
- Leibniz-Institut für Katalyse an der Universität Rostock e.V.; Albert-Einstein-Str. 29a 18057 Rostock Germany
| | - Jola Pospech
- Leibniz-Institut für Katalyse an der Universität Rostock e.V.; Albert-Einstein-Str. 29a 18057 Rostock Germany
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