1
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Shi X, Yu B, Zhou X, Yang Y. Photoinduced selective perfluoroalkylation of terminal alkynes via electron donor-acceptor complexes. Chem Commun (Camb) 2024; 60:2532-2535. [PMID: 38329183 DOI: 10.1039/d4cc00105b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Herein, we report a photoinduced selective perfluoroalkylation of terminal alkynes driven by the noncovalent interaction between a thymol anion and fluoroalkyl iodides. By precisely tuning the reaction solvent, a wide range of 37 structurally diverse perfluoroalkylated alkynes and alkenes, including ibuprofen, empagliflozin, galactose, isoxepac and indomethacin, were obtained in up to 92% yields. Mechanistic studies reveal the formation of EDA complexes between the thymol anion and fluoroalkyl iodides. This strategy may provide an important complement to traditional approaches to prepare useful perfluoroalkylated alkynes and alkenes.
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Affiliation(s)
- Xiaolin Shi
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China.
- Shandong Energy Institute, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266101, China
| | - Bo Yu
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China.
- Shandong Energy Institute, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Zhou
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China.
- Shandong Energy Institute, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266101, China
| | - Yong Yang
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China.
- Shandong Energy Institute, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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2
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Tripathi S, Kumar M, Shivhare A, Kant R, Deshmukh MM, Srivastava AK. Palladium(II)-Catalyzed Decarboxylative Difunctionalization of Alkynoic Acids To Access ( E)-β-Sulfonylacrylamides and DFT Study. Org Lett 2023; 25:6638-6642. [PMID: 37672675 DOI: 10.1021/acs.orglett.3c02415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
A palladium(II)-catalyzed regio- and stereoselective difunctionalization of alkynoic acids has been achieved using sodium sulfinates and isocyanides to synthesize (E)-β-sulfonylacrylamides. The reaction proceeds via decarboxylative isocyanide addition, followed by sulfonylation. This three-component process works well with aromatic, heteroaromatic, and aliphatic alkynoic acids with good functional group tolerance and excellent regio- and stereoselectivity. DFT calculations were carried out to explain the reaction mechanism and the stereoselective formation of (E)-β-sulfonylacrylamides.
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Affiliation(s)
- Shashank Tripathi
- Medicinal and Process Chemistry, CSIR-Central Drug Research Institute, Lucknow 226031, India
- AcSIR, Ghaziabad, 201002, India
| | - Monty Kumar
- Medicinal and Process Chemistry, CSIR-Central Drug Research Institute, Lucknow 226031, India
- AcSIR, Ghaziabad, 201002, India
| | - Ayush Shivhare
- Department of Chemistry, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar 470003, India
| | - Ruchir Kant
- Biochemistry & Structural Biology, CSIRCentral Drug Research Institute, Lucknow 226031 Uttar Pradesh, India
| | - Milind M Deshmukh
- Department of Chemistry, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar 470003, India
| | - Ajay Kumar Srivastava
- Medicinal and Process Chemistry, CSIR-Central Drug Research Institute, Lucknow 226031, India
- AcSIR, Ghaziabad, 201002, India
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3
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Bai Y, Cao L, Li S, Zhang G, Liu Y, Zhao F, Wu J. Dual Photoredox/Nickel-Catalyzed Dehydrative Difluoroalkylation of Benzyl Alcohols for the Synthesis of Allylic gem-Difluorides. Org Lett 2023; 25:6511-6516. [PMID: 37638841 DOI: 10.1021/acs.orglett.3c02248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
A photoredox/Lewis acid cooperative catalytic system has been developed for the construction of Cvinyl-CRf bonds through the dehydrative difluoroalkylation of benzyl alcohols. A variety of allylic gem-difluorides could be obtained in moderate yields with good to excellent E/Z selectivity. In addition, several control experiments have been explored, and a possible mechanism was proposed for this process.
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Affiliation(s)
- Yuyang Bai
- Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Liping Cao
- Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Siyuan Li
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Guang'an Zhang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Yingguo Liu
- Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Fengqian Zhao
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Junliang Wu
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
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4
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Tomon D, Arimitsu S. Synthesis of Chiral Tertiary Allylic- and Propargylic Fluorides from Nonaflates of Chiral α-Fluorinated β-Keto Dicarbonyl Compounds. J Org Chem 2023; 88:11895-11904. [PMID: 37524355 DOI: 10.1021/acs.joc.3c01184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
The acetyl group of chiral α-fluorinated dicarbonyl compounds was transformed to nonaflates through a reaction with perfluorobutanesulfonyl fluoride in the presence of DBU in 82-95% yield. These nonaflates were used in Suzuki and Sonogashira coupling reactions to afford chiral tertiary allylic fluorides bearing gem-disubstituted terminal alkenes with excellent optical purities (45-91%, ≥94% ee). In addition, chiral tertiary propargylic fluorides were obtained from the reaction of nonaflates with DBU (73-86%, ≥94% ee).
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Affiliation(s)
- Daiki Tomon
- Department of Chemistry, Biology and Marine Science, University of the Ryukyus, Senbaru 1, Nishihara, Nakagami, Okinawa 903-0213, Japan
| | - Satoru Arimitsu
- Department of Chemistry, Biology and Marine Science, University of the Ryukyus, Senbaru 1, Nishihara, Nakagami, Okinawa 903-0213, Japan
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5
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Shi X, Song T, Li Q, Guo X, Yang Y. Mesoporous Graphitic Carbon Nitride Photocatalyzed Switchable Divergent Perfluoroalkylation of Terminal Alkynes. Org Lett 2022; 24:8724-8728. [DOI: 10.1021/acs.orglett.2c03814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Xiaolin Shi
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao, Shandong 266101, People’s Republic of China
| | - Tao Song
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao, Shandong 266101, People’s Republic of China
- Shandong Energy Institute, Qingdao, Shandong 266101, People’s Republic of China
- Qingdao New Energy Shandong Laboratory, Qingdao, Shandong 266101, People’s Republic of China
| | - Qinglin Li
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao, Shandong 266101, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Xiuling Guo
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao, Shandong 266101, People’s Republic of China
| | - Yong Yang
- CAS Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao, Shandong 266101, People’s Republic of China
- Shandong Energy Institute, Qingdao, Shandong 266101, People’s Republic of China
- Qingdao New Energy Shandong Laboratory, Qingdao, Shandong 266101, People’s Republic of China
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6
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Affiliation(s)
- Dunqi Wu
- Chang-Kung Chuang Institute, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Wenzheng Fan
- State Key Laboratory of Organometallic Chemistry, and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, 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 200032, China
| | - Lianqian Wu
- State Key Laboratory of Organometallic Chemistry, and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, 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 200032, China
| | - Pinhong Chen
- State Key Laboratory of Organometallic Chemistry, and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, 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 200032, China
| | - Guosheng Liu
- Chang-Kung Chuang Institute, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
- State Key Laboratory of Organometallic Chemistry, and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, 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 200032, China
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7
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Yamamoto Y, Suzuki H, Kuroyanagi E, Yamada K, Yasui T. Co-Catalyzed atom transfer radical addition of bromodifluoroacetamides, expanding the scope of radical difluoroalkylation. Org Biomol Chem 2022; 20:2867-2872. [PMID: 35302578 DOI: 10.1039/d2ob00437b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The atom transfer radical addition (ATRA) of bromodifluoroacetamides to arylalkynes and terminal alkenes was conducted using von Wangelin's Co catalyst system (CoBr2/1,2-bis(diphenylphosphino)benzene/Zn) in acetone/H2O at 30 °C to afford the corresponding functionalized difluoroacetamides in 33-89% yields. Moreover, the Co catalyst was successfully applied to the tandem addition/cyclization of 1,6-diene and -enyne substrates and intramolecular ATRA of N-allyl and N-propargyl bromodifluoroacetamides, significantly expanding the scope of radical difluoroalkylation.
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Affiliation(s)
- Yoshihiko Yamamoto
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan.
| | - Harufumi Suzuki
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan.
| | - Eisuke Kuroyanagi
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan.
| | - Keiji Yamada
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan.
| | - Takeshi Yasui
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan.
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8
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Affiliation(s)
- Sudipta Ghosh
- Department of Chemistry Indian Institute of Technology Kharagpur 721302 West Bengal India
| | - Rajesh Chakrabortty
- Department of Chemistry Indian Institute of Technology Kharagpur 721302 West Bengal India
| | - Venkataraman Ganesh
- Department of Chemistry Indian Institute of Technology Kharagpur 721302 West Bengal India
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9
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Chen X, Xin Y, Zhao ZW, Hou YJ, Wang XX, Xia WJ, Li YM. Decarboxylative Oxyacyloxylation of Propiolic Acids: Construction of Alkynyl-Containing α-Acyloxy Ketones. J Org Chem 2021; 86:8216-8225. [PMID: 34085512 DOI: 10.1021/acs.joc.1c00669] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Novel decarboxylative oxyacyloxylation of propiolic acids has been developed. This reaction provides an efficient access to alkynyl-containing α-acyloxy ketones from readily available starting materials and exhibits significant functional group tolerance. Furthermore, oxyacyloxylation of terminal alkynes and aliphatic propiolic acids was also developed. A possible reaction mechanism is proposed based on mechanistic studies.
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Affiliation(s)
- Xin Chen
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Yangchun Xin
- Katzin Diagnostic & Research PET/MR Center, Nemours/Alfred I. DuPont Hospital for Children, Wilmington, Delaware 19803, United States
| | - Zhi-Wei Zhao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Yu-Jian Hou
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Xiang-Xiang Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Wen-Jin Xia
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Ya-Min Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
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10
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Abstract
A novel diethylzinc-mediated radical 1,2-addition of perfluoroalkyl iodides to unactivated alkenes and alkynes is presented, which demonstrates a novel way to generate an ethyl difluoroacetate radical. This method is highly efficient and gives full conversions of the substrates, high yields of the products, and negligible byproducts and requires no column chromatography purifications. The mild conditions enable this protocol to exhibit excellent functional group compatibility.
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Affiliation(s)
- Xin Li
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, Fujian, China
| | - Songtao He
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, Fujian, China
| | - Qiuling Song
- Institute of Next Generation Matter Transformation, College of Materials Science & Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, Fujian, China.,State Key Laboratory of Organometallic Chemistry and Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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11
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Ren J, Fu X, Hou Y, Wu J, Wu F. Cobalt-catalyzed synthesis of bromomonofluoroallyl ketones by addition of alkynes and α-bromo-α-fluoroketones. Tetrahedron Lett 2021; 66:152805. [DOI: 10.1016/j.tetlet.2020.152805] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Li XR, Li WX, Zhang ZW, Shen C, Zhou X, Chu XQ, Rao W, Shen ZL. Stereoselective synthesis of fluoroalkylated ( Z)-alkene via nickel-catalyzed and iron-mediated hydrofluoroalkylation of alkynes. Org Chem Front 2021. [DOI: 10.1039/d1qo00983d] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
An efficient nickel-catalyzed, iron-mediated hydrofluoroalkylation of alkynes with bromodifluoroacetate or perfluoroalkyl iodide, which proceeded smoothly to give fluoroalkylated (Z)-alkenes with high stereocontrol (up to 99 : 1 Z/E), was developed.
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Affiliation(s)
- Xiang-Rui Li
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Wen-Xin Li
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Zhuo-Wen Zhang
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Chuanji Shen
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
| | - Xiaocong Zhou
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
| | - Xue-Qiang Chu
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Weidong Rao
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Zhi-Liang Shen
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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13
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Abstract
A copper-catalyzed bromodifluoroacetylative cyclization reaction is described. The treatment of bromodifluoroacete derivatives by CuI and B2Pin2 enables difluoroalkyl radical generation and triggers the radical addition/cyclization/bromination sequences. Bromodifluoroacetyl-derived ester, amide, and ketone were compatible and gave various vinyl C-Br bonds containing functionalized heterocycles in good yields.
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Affiliation(s)
- Shaoqun Zhu
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Haibo Yang
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Along Jiang
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Bing Zhou
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Ying Han
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Chaoguo Yan
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Yaocheng Shi
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Hong Hou
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
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14
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Xiao Y, Chun YK, Cheng SC, Liu R, Tse MK, Ko CC. Visible light photocatalytic cross-coupling and addition reactions of arylalkynes with perfluoroalkyl iodides. Org Biomol Chem 2020; 18:8686-8693. [PMID: 33078803 DOI: 10.1039/d0ob01767a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Visible light photocatalytic cross-coupling and addition reactions of arylalkynes with perfluoroalkyl iodides have been developed. Through slight modifications of the reaction conditions, reactions that are selective for the preparation of the C-C coupling product (perfluoroalkyl alkynes) and the addition products (iodo-perfluoroalkyl substituted alkenes) can be achieved. These reactions work well with different types of alkynes and perfluoroalkyl iodides. As the iodide generated from the reaction can serve as a reductant to regenerate the photocatalyst from its oxidized form, no sacrificial electron donor is required.
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Affiliation(s)
- Yelan Xiao
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong, China.
| | - Yuen-Kiu Chun
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong, China.
| | - Shun-Cheung Cheng
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong, China.
| | - Ruoyang Liu
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong, China.
| | - Man-Kit Tse
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong, China.
| | - Chi-Chiu Ko
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong, China.
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15
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Abstract
Halodifluoromethyl and trifluoromethyl-containing compounds are widely employed in organic chemistry, pharmaceuticals and materials science. Therefore, their applications and transformations have received significant attention during the past few decades. The single, double, triple and quadruple cleavage of halodifluoromethyl compounds and various deconstructive modes of trifluoromethyl-containing compounds could generate a variety of synthons to prepare more valuable products. Herein, we summarize the most significant achievements in this field with an intriguing focus on results from the last decade.
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Affiliation(s)
- Xingxing Ma
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University Fuzhou, Fujian, 350108, China
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16
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Bag D, Mahajan S, Sawant SD. Transition‐Metal‐Catalyzed Carbohalogenative 1,2‐Difunctionalization of C−C Multiple Bonds. Adv Synth Catal 2020; 362:3948-70. [DOI: 10.1002/adsc.202000630] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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17
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Jafarpour F, Azizzade M, Golpazir-Sorkheh Y, Navid H, Rajai-Daryasarei S. Divergent Synthesis of α-Aroyloxy Ketones and Indenones: A Controlled Domino Radical Reaction for Di- and Trifunctionalization of Alkynes. J Org Chem 2020; 85:8287-8294. [DOI: 10.1021/acs.joc.0c00967] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Farnaz Jafarpour
- School of Chemistry, College of Science, University of Tehran, Tehran 14155-6619, Iran
| | - Meysam Azizzade
- School of Chemistry, College of Science, University of Tehran, Tehran 14155-6619, Iran
| | | | - Hamed Navid
- School of Chemistry, College of Science, University of Tehran, Tehran 14155-6619, Iran
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18
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Shang T, Zhang J, Zhang Y, Zhang F, Li XS, Zhu G. Photocatalytic Remote Oxyfluoroalkylation of Heteroalkynes: Regio-, Stereo-, and Site-Selective Access to Complex Fluoroalkylated (Z)-Alkenes. Org Lett 2020; 22:3667-3672. [DOI: 10.1021/acs.orglett.0c01163] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tianbo Shang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Junhua Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Yan Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Fang Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Xin-Sheng Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Gangguo Zhu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
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19
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Affiliation(s)
- Kangkui Li
- Institution Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission & Ministry of Education, Kunming, 650500, China
| | - Xuexin Zhang
- Institution Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission & Ministry of Education, Kunming, 650500, China
| | - Jingchao Chen
- Institution Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission & Ministry of Education, Kunming, 650500, China
| | - Yang Gao
- Institution Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission & Ministry of Education, Kunming, 650500, China
| | - Chunhui Yang
- Institution Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission & Ministry of Education, Kunming, 650500, China
| | - Keyang Zhang
- Institution Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission & Ministry of Education, Kunming, 650500, China
| | - Yongyun Zhou
- School of Chemistry and Environment, Yunnan Minzu University, Yuehua Street, Kunming, 650500, China
- Institution Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission & Ministry of Education, Kunming, 650500, China
| | - Baomin Fan
- School of Chemistry and Environment, Yunnan Minzu University, Yuehua Street, Kunming, 650500, China
- Institution Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission & Ministry of Education, Kunming, 650500, China
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20
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Affiliation(s)
- Guojiao Wu
- Department of ChemistryUniversity of Hamburg Martin Luther King Pl 6 20146 Hamburg Germany
| | - Jennifer Börger
- Department of ChemistryUniversity of Hamburg Martin Luther King Pl 6 20146 Hamburg Germany
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21
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Wang L, Zhao J, Sun Y, Zhang HY, Zhang Y. A Catalyst-Free Minisci-Type Reaction: the C-H Alkylation of Quinoxalinones with Sodium Alkylsulfinates and Phenyliodine(III) Dicarboxylates. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901266] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Liping Wang
- School of Chemical Engineering and Technology; Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety; Hebei University of Technology; Guangrong Road No. 8 300130 Tianjin P. R. China
| | - Jiquan Zhao
- School of Chemical Engineering and Technology; Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety; Hebei University of Technology; Guangrong Road No. 8 300130 Tianjin P. R. China
| | - Yuting Sun
- School of Chemical Engineering and Technology; Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety; Hebei University of Technology; Guangrong Road No. 8 300130 Tianjin P. R. China
| | - Hong-Yu Zhang
- School of Chemical Engineering and Technology; Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety; Hebei University of Technology; Guangrong Road No. 8 300130 Tianjin P. R. China
| | - Yuecheng Zhang
- School of Chemical Engineering and Technology; Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving, Tianjin Key Laboratory of Chemical Process Safety; Hebei University of Technology; Guangrong Road No. 8 300130 Tianjin P. R. China
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22
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Abstract
Atom-transfer radical addition (ATRA) reactions have gained a strong foothold in organic synthesis by virtue of their operational simplicity, synthetic versatility, and perfect atom economy. A rich chemical space can be accessed through clever combinations of the simple starting materials. Many variations of this general motif have been reported. However, the vast majority involve the addition of an organic halide across a C=C double bond, resulting in the formation of 1,2-bifunctional products. This report introduces a significant expansion of this general reactivity concept to give 1,3-bifunctional adducts through the combination of 1,1-ATRA to a carbenoid and 1,2-ATRA to an alkyne. Both processes operate under mild conditions (RT, 5 h) with the same commercial catalyst (CoBr2 , dppbz).
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Affiliation(s)
- Guojiao Wu
- Department of Chemistry, University of Hamburg, Martin Luther King Pl 6, 20146, Hamburg, Germany
| | - Jennifer Börger
- Department of Chemistry, University of Hamburg, Martin Luther King Pl 6, 20146, Hamburg, Germany
| | - Axel Jacobi von Wangelin
- Department of Chemistry, University of Hamburg, Martin Luther King Pl 6, 20146, Hamburg, Germany
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23
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Yang L, Li H, Du Y, Cheng K, Qi C. Visible Light‐Catalyzed Decarboxylative Alkynylation of Arenediazonium Salts with Alkynyl Carboxylic Acids: Direct Access to Aryl Alkynes by Organic Photoredox Catalysis. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900603] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Liangfeng Yang
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
| | - Haifeng Li
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
| | - Yijun Du
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
| | - Kai Cheng
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
| | - Chenze Qi
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
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24
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Li M, Zhu X, Qiu Y, Han Y, Xia Y, Wang C, Li X, Wei W, Liang Y. Metal‐Free Promoted CF
2
/CF
3
‐Difunctionalization of Unactivated Alkenes. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900231] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ming Li
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 People's Republic of China
| | - Xin‐Yu Zhu
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 People's Republic of China
| | - Yi‐Feng Qiu
- College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou, Gansu 730070 People's Republic of China
| | - Ya‐Ping Han
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 People's Republic of China
| | - Yu Xia
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 People's Republic of China
| | - Cui‐Tian Wang
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 People's Republic of China
| | - Xue‐Song Li
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 People's Republic of China
| | - Wan‐Xu Wei
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 People's Republic of China
| | - Yong‐Min Liang
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 People's Republic of China
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25
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Affiliation(s)
- Mingchun Gao
- Department of Chemistry, Innovative Drug Research Center, School of Materials Science and EngineeringShanghai University Shanghai 200444, People's Republic of China
| | - Kaijing Zhou
- Department of Chemistry, Innovative Drug Research Center, School of Materials Science and EngineeringShanghai University Shanghai 200444, People's Republic of China
| | - Bin Xu
- Department of Chemistry, Innovative Drug Research Center, School of Materials Science and EngineeringShanghai University Shanghai 200444, People's Republic of China
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic Chemistry, Chinese Academy of Sciences Shanghai 200032 People's Republic of China
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26
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Li Y, Shang JQ, Wang XX, Xia WJ, Yang T, Xin Y, Li YM. Copper-Catalyzed Decarboxylative Oxyalkylation of Alkynyl Carboxylic Acids: Synthesis of γ-Diketones and γ-Ketonitriles. Org Lett 2019; 21:2227-2230. [DOI: 10.1021/acs.orglett.9b00520] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yi Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P.R. China
| | - Jia-Qi Shang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P.R. China
| | - Xiang-Xiang Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P.R. China
| | - Wen-Jin Xia
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P.R. China
| | - Tao Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P.R. China
| | - Yangchun Xin
- Katzin Diagnostic & Research PET/MR Center, Nemours/Alfred I. DuPont Hospital for Children, Wilmington, Delaware 19803, United States
| | - Ya-Min Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P.R. China
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27
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Peng P, Huang GZ, Sun YX, Wang X, Wu JJ, Wu FH. Copper-mediated cascade radical cyclization of olefins with naphthalenyl iododifluoromethyl ketones. Org Biomol Chem 2019; 17:6426-6431. [DOI: 10.1039/c9ob00916g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Copper-mediated radical cyclization of naphthalenyl iododifluoromethyl ketones with olefins was developed to generate a series of unprecedented gem-difluorodihydrophenanthrenones with excellent regioselectivity.
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Affiliation(s)
- Peng Peng
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Guo-zhi Huang
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Ying-xin Sun
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Xing Wang
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Jing-jing Wu
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
- Key Laboratory of Organofluorine Chemistry
| | - Fan-hong Wu
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
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28
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Shang JQ, Fu H, Li Y, Yang T, Gao C, Li YM. Copper-catalyzed decarboxylation/cycloaddition cascade of alkynyl carboxylic acids with azide. Tetrahedron 2019. [DOI: 10.1016/j.tet.2018.11.054] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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29
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Bao P, Meng N, Lv Y, Yue H, Li JS, Wei W. Selective assembly of N1- and N2-alkylated 1,2,3-triazoles via copper-catalyzed decarboxylative cycloaddition of alkynyl carboxylic acids with ethers and azidotrimethylsilane. Org Chem Front 2019. [DOI: 10.1039/c9qo01277j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
An efficient and regiocontrolled method for the synthesis of various N1- and N2 alkylated 1,2,3-triazoles via copper-catalyzed decarboxylative cycloaddition of alkynyl carboxylic acids with ethers and azidotrimethylsilane.
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Affiliation(s)
- Pengli Bao
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Na Meng
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Yufen Lv
- 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
| | - Jiang-Sheng Li
- School of Chemistry and food Engineering
- Changsha University of Science and Technology
- Changsha
- China
| | - Wei Wei
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research and Key Laboratory of Tibetan Medicine Research
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30
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Yu W, Ouyang Y, Xu XH, Qing FL. Visible Light-Induced Methoxycarbonyldifluoromethylation of Trimethylsilyl Enol Ethers and Allyltrimethylsilanes with FSO2
CF2
CO2
Me. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201800318] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wei Yu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecules Synthesis; Shanghai Institute of Organic Chemistry, Chinese Academy of Science; 345 Lingling Lu, Shanghai 200032 China
| | - Yao Ouyang
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecules Synthesis; Shanghai Institute of Organic Chemistry, Chinese Academy of Science; 345 Lingling Lu, Shanghai 200032 China
| | - Xiu-Hua Xu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecules Synthesis; Shanghai Institute of Organic Chemistry, Chinese Academy of Science; 345 Lingling Lu, Shanghai 200032 China
| | - Feng-Ling Qing
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecules Synthesis; Shanghai Institute of Organic Chemistry, Chinese Academy of Science; 345 Lingling Lu, Shanghai 200032 China
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu, Shanghai 201620 China
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31
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Wang S, Zhang J, Kong L, Tan Z, Bai Y, Zhu G. Palladium-Catalyzed anti -Selective Fluoroalkylboration of Internal and Terminal Alkynes. Org Lett 2018; 20:5631-5. [DOI: 10.1021/acs.orglett.8b02336] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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32
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Affiliation(s)
- Yang Da
- School of Pharmaceutical Science, Jiangnan University, Lihu Road 1800, 214122 Wuxi, P. R. China
| | - Shengnan Han
- School of Pharmaceutical Science, Jiangnan University, Lihu Road 1800, 214122 Wuxi, P. R. China
| | - Xiaoyong Du
- School of Pharmaceutical Science, Jiangnan University, Lihu Road 1800, 214122 Wuxi, P. R. China
| | - Shaodong Liu
- School of Pharmaceutical Science, Jiangnan University, Lihu Road 1800, 214122 Wuxi, P. R. China
| | - Lei Liu
- School of Pharmaceutical Science, Jiangnan University, Lihu Road 1800, 214122 Wuxi, P. R. China
| | - Jie Li
- School of Pharmaceutical Science, Jiangnan University, Lihu Road 1800, 214122 Wuxi, P. R. China
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33
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Li H, Cheng Z, Tung CH, Xu Z. Atom Transfer Radical Addition to Alkynes and Enynes: A Versatile Gold/Photoredox Approach to Thio-Functionalized Vinylsulfones. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02194] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Haoyu Li
- Shandong University, No. 27 Shanda South Road, Jinan, Shandong 250100, China
| | - Zengrui Cheng
- Shandong University, No. 27 Shanda South Road, Jinan, Shandong 250100, China
| | - Chen-Ho Tung
- Shandong University, No. 27 Shanda South Road, Jinan, Shandong 250100, China
| | - Zhenghu Xu
- Shandong University, No. 27 Shanda South Road, Jinan, Shandong 250100, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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34
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Liang J, Huang G, Peng P, Zhang T, Wu J, Wu F. Palladium-Catalyzed Benzodifluoroalkylation of Alkynes: A Route to Fluorine-Containing 1,1-Diarylethylenes. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701569] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Junqing Liang
- School of Chemical and Environmental Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
| | - Guozhi Huang
- School of Chemical and Environmental Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
| | - Peng Peng
- School of Chemical and Environmental Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
| | - Tianyu Zhang
- School of Chemical and Environmental Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
| | - Jingjing Wu
- School of Chemical and Environmental Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; Shanghai 200032 People's Republic of China
| | - Fanhong Wu
- School of Chemical and Environmental Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
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35
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Chen J, Su S, Hu D, Cui F, Xu Y, Chen Y, Ma X, Pan Y, Liang Y. Copper‐Catalyzed Bis‐ or Trifunctionalization of Alkynyl Carboxylic Acids: An Efficient Route to Bis‐ and Tris‐selenide Alkenes. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800086] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Jing Chen
- School of Life and Environmental SciencesGuilin University of Electronic Technology Guilin 541004 People's Republic of China
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal ResourcesSchool of Chemistry and Pharmaceutical Sciences of Guangxi Normal University Guilin 541004 People's Republic of China
| | - Shi‐Xia Su
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal ResourcesSchool of Chemistry and Pharmaceutical Sciences of Guangxi Normal University Guilin 541004 People's Republic of China
| | - Da‐Chao Hu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal ResourcesSchool of Chemistry and Pharmaceutical Sciences of Guangxi Normal University Guilin 541004 People's Republic of China
| | - Fei‐Hu Cui
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal ResourcesSchool of Chemistry and Pharmaceutical Sciences of Guangxi Normal University Guilin 541004 People's Republic of China
| | - Yan‐Li Xu
- College of PharmacyGuilin Medical University Guilin 541004 People's Republic of China),
| | - Yan‐Yan Chen
- College of PharmacyGuilin Medical University Guilin 541004 People's Republic of China),
| | - Xian‐Li Ma
- College of PharmacyGuilin Medical University Guilin 541004 People's Republic of China),
| | - Ying‐Ming Pan
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal ResourcesSchool of Chemistry and Pharmaceutical Sciences of Guangxi Normal University Guilin 541004 People's Republic of China
| | - Ying Liang
- School of Life and Environmental SciencesGuilin University of Electronic Technology Guilin 541004 People's Republic of China
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36
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Abstract
Stereoselective additions of highly functionalized reagents to available unsaturated hydrocarbons are an attractive synthetic tool due to their high atom economy, modularity, and rapid generation of complexity. We report efficient cobalt-catalyzed (E)-halofluoroalkylations of alkynes/alkenes that enable the construction of densely functionalized, stereodefined fluorinated hydrocarbons. The mild conditions (2 mol% cat., 20 °C, acetone/water, 3 h) tolerate various functional groups, i.e. halides, alcohols, aldehydes, nitriles, esters, and heteroarenes. This reaction is the first example of a highly stereoselective cobalt-catalyzed halo-fluoroalkylation. Unlike related cobalt-catalyzed reductive couplings and Heck-type reactions, it operates via a radical chain mechanism involving terminal halogen atom transfer which obviates the need for a stoichiometric sacrificial reductant.
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Affiliation(s)
- Guojiao Wu
- Institute of Organic Chemistry , University of Regensburg , Universitaetsstr. 31 , 93053 Regensburg , Germany
| | - Axel Jacobi von Wangelin
- Institute of Organic Chemistry , University of Regensburg , Universitaetsstr. 31 , 93053 Regensburg , Germany
- Department of Chemistry , University of Hamburg , Martin Luther King Pl. 6 , 20146 Hamburg , Germany .
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37
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Fu H, Shang JQ, Yang T, Shen Y, Gao CZ, Li YM. Copper-Catalyzed Decarboxylative Disulfonylation of Alkynyl Carboxylic Acids with Sulfinic Acids. Org Lett 2018; 20:489-492. [PMID: 29313690 DOI: 10.1021/acs.orglett.7b03922] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A copper-catalyzed decarboxylative disulfonylation of alkynyl carboxylic acids with sulfinic acids in aqueous solution has been developed. The reaction provides a straightforward and practical access to (E)-1,2-disulfonylethenes, which are important building blocks in synthetic organic chemistry, and exhibits a good functional group tolerance and excellent stereoselectivity. A possible mechanism for the transformation is proposed.
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Affiliation(s)
- Hong Fu
- Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500, People's Republic of China
| | - Jia-Qi Shang
- Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500, People's Republic of China
| | - Tao Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500, People's Republic of China
| | - Yuehai Shen
- Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500, People's Republic of China
| | - Chuan-Zhu Gao
- Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500, People's Republic of China
| | - Ya-Min Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500, People's Republic of China
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38
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Abstract
A highly regioselective copper-mediated hydrodifluoroalkylation of alkynes with ethyl bromodifluoroacetate or bromodifluoroacetamides has been developed.
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Affiliation(s)
- Xiaorui Feng
- Tianjin Key Laboratory of Molecular Optoelectronic Science
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin 300072
| | - Xiaoyang Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Science
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin 300072
| | - Hongtai Chen
- Tianjin Key Laboratory of Molecular Optoelectronic Science
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin 300072
| | - Xiangyang Tang
- Tianjin Key Laboratory of Molecular Optoelectronic Science
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin 300072
| | - Minjie Guo
- Institute for Molecular Design and Synthesis
- School of Pharmaceutical Science and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Wentao Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Science
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin 300072
| | - Guangwei Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Science
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin 300072
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39
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Abstract
A NaBrO3-induced radical bromotrifluoromethylation of enynes with NaSO2CF3 was developed. This method allows a transition-metal free, highly selective and step-economic access to diverse bromotrifluoromethylated five- and six-membered heterocycles.
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Affiliation(s)
- Xiao-Jie Shang
- College of Resources and Environment
- Gansu Agricultural University
- Lanzhou 730070
- China
| | - Dong Liu
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy
- College of Pharmacy
- Nanjing University of Chinese Medicine
- Nanjing 210023
- China
| | - Zhong-Quan Liu
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy
- College of Pharmacy
- Nanjing University of Chinese Medicine
- Nanjing 210023
- China
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40
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Li M, Wang CT, Qiu YF, Zhu XY, Han YP, Xia Y, Li XS, Liang YM. Base promoted direct difunctionalization/cascade cyclization of 1,6-enynes. Chem Commun (Camb) 2018; 54:5334-5337. [DOI: 10.1039/c8cc03280g] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel base-mediated direct difluoroalkylation of 1,6-enynes involving a CF2 radical process has been developed.
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Affiliation(s)
- Ming Li
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Cui-Tian Wang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Yi-Feng Qiu
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- P. R. China
| | - Xin-Yu Zhu
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Ya-Ping Han
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Yu Xia
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Xue-Song Li
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
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41
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Zhang J, Jin W, Cheng C, Luo F. Copper-catalyzed remote oxidation of alcohols initiated by radical difluoroalkylation of alkenes: facile access to difluoroalkylated carbonyl compounds. Org Biomol Chem 2018; 16:3876-3880. [DOI: 10.1039/c8ob00889b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A Cu-catalyzed oxidation of alcohols triggered by the radical difluoroalkylation of alkenes has been developed.
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Affiliation(s)
- Jian Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Weiwei Jin
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Cungui Cheng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Fang Luo
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Department of Chemistry
- Zhejiang Normal University
- Jinhua 321004
- China
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42
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Wei XJ, Boon W, Hessel V, Noël T. Visible-Light Photocatalytic Decarboxylation of α,β-Unsaturated Carboxylic Acids: Facile Access to Stereoselective Difluoromethylated Styrenes in Batch and Flow. ACS Catal 2017; 7:7136-7140. [PMID: 29109904 PMCID: PMC5666695 DOI: 10.1021/acscatal.7b03019] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 09/09/2017] [Indexed: 01/03/2023]
Abstract
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The
development of synthetic methodologies which provide access
to both stereoisomers of α,β-disubstituted olefins is
a challenging undertaking. Herein, we describe the development of
an operationally simple and stereoselective synthesis of difluoromethylated
styrenes via a visible-light photocatalytic decarboxylation strategy
using fac-Ir(ppy)3 as the photocatalyst.
Meta- and para-substituted cinnamic acids provide the expected E-isomer. In contrast, ortho-substituted
cinnamic acids yield selectively the less stable Z-product, whereas the E-isomer can be obtained via
continuous-flow processing through accurate control of the reaction
time. Furthermore, our protocol is amenable to the decarboxylative
difluoromethylation of aryl propiolic acids.
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Affiliation(s)
- Xiao-Jing Wei
- Department of Chemical Engineering and Chemistry, Micro Flow Chemistry & Process Technology, Eindhoven University of Technology, Den Dolech 2, 5612 AZ Eindhoven, The Netherlands
| | - Wout Boon
- Department of Chemical Engineering and Chemistry, Micro Flow Chemistry & Process Technology, Eindhoven University of Technology, Den Dolech 2, 5612 AZ Eindhoven, The Netherlands
| | - Volker Hessel
- Department of Chemical Engineering and Chemistry, Micro Flow Chemistry & Process Technology, Eindhoven University of Technology, Den Dolech 2, 5612 AZ Eindhoven, The Netherlands
| | - Timothy Noël
- Department of Chemical Engineering and Chemistry, Micro Flow Chemistry & Process Technology, Eindhoven University of Technology, Den Dolech 2, 5612 AZ Eindhoven, The Netherlands
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43
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Hu W, Li Z, Li J, Wu W, Liu H, Jiang H. Palladium-Catalyzed Cross-Coupling of Alkynyl Carboxylic Acids with Isocyanides: Solvent-Controlled Selective Synthesis of 5-Iminofuranones and 5-Iminopyrrolones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700533] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Weigao Hu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province,School of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510640 People's Republic of China, Fax: (+86) 20-87112906
| | - Zun Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province,School of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510640 People's Republic of China, Fax: (+86) 20-87112906
| | - Jiawei Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province,School of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510640 People's Republic of China, Fax: (+86) 20-87112906
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province,School of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510640 People's Republic of China, Fax: (+86) 20-87112906
| | - Haiyang Liu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province,School of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510640 People's Republic of China, Fax: (+86) 20-87112906
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province,School of Chemistry and Chemical Engineering; South China University of Technology; Guangzhou 510640 People's Republic of China, Fax: (+86) 20-87112906
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44
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Affiliation(s)
- Damian E. Yerien
- Departamento de Química Orgánica; Facultad de Farmacia y Bioquímica; Universidad de Buenos Aires; Junín 954, CP 1113 Buenos Aires Argentina
| | - Sebastian Barata-Vallejo
- Departamento de Química Orgánica; Facultad de Farmacia y Bioquímica; Universidad de Buenos Aires; Junín 954, CP 1113 Buenos Aires Argentina
| | - Al Postigo
- Departamento de Química Orgánica; Facultad de Farmacia y Bioquímica; Universidad de Buenos Aires; Junín 954, CP 1113 Buenos Aires Argentina
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45
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Dang-Bao T, Pradel C, Favier I, Gómez M. Making Copper(0) Nanoparticles in Glycerol: A Straightforward Synthesis for a Multipurpose Catalyst. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700535] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Trung Dang-Bao
- Laboratoire Hétérochimie Fondamentale et Appliquée; Université de Toulouse 3 - Paul Sabatier, UPS and CNRS UMR 5069; 118 Route de Narbonne F-31062 Toulouse Cedex 9 France
| | - Christian Pradel
- Laboratoire Hétérochimie Fondamentale et Appliquée; Université de Toulouse 3 - Paul Sabatier, UPS and CNRS UMR 5069; 118 Route de Narbonne F-31062 Toulouse Cedex 9 France
| | - Isabelle Favier
- Laboratoire Hétérochimie Fondamentale et Appliquée; Université de Toulouse 3 - Paul Sabatier, UPS and CNRS UMR 5069; 118 Route de Narbonne F-31062 Toulouse Cedex 9 France
| | - Montserrat Gómez
- Laboratoire Hétérochimie Fondamentale et Appliquée; Université de Toulouse 3 - Paul Sabatier, UPS and CNRS UMR 5069; 118 Route de Narbonne F-31062 Toulouse Cedex 9 France
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46
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Affiliation(s)
- Xiaotao Zhu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of MatterUniversity of Chinese Academy of Sciences 155 Yangqiao Road West, Fuzhou Fujian 350002 P. R. China
| | - Changqing Ye
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of MatterUniversity of Chinese Academy of Sciences 155 Yangqiao Road West, Fuzhou Fujian 350002 P. R. China
| | - Yajun Li
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of MatterUniversity of Chinese Academy of Sciences 155 Yangqiao Road West, Fuzhou Fujian 350002 P. R. China
| | - Hongli Bao
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of MatterUniversity of Chinese Academy of Sciences 155 Yangqiao Road West, Fuzhou Fujian 350002 P. R. China
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47
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Wang D, Wu J, Huang J, Liang J, Peng P, Chen H, Wu F. Stereoselective synthesis of α,α-difluoro-β,γ-alkenyl ketones by free-radical reaction of iododifluoromethyl ketones with alkynes. Tetrahedron 2017; 73:3478-84. [DOI: 10.1016/j.tet.2017.05.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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48
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Nishiyama H, Ikeda H, Saito T, Kriegel B, Tsurugi H, Arnold J, Mashima K. Structural and Electronic Noninnocence of α-Diimine Ligands on Niobium for Reductive C-Cl Bond Activation and Catalytic Radical Addition Reactions. J Am Chem Soc 2017; 139:6494-6505. [PMID: 28409626 DOI: 10.1021/jacs.7b02710] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A d0 niobium(V) complex, NbCl3(α-diimine) (1a), supported by a dianionic redox-active N,N'-bis(2,6-diisopropylphenyl)-1,4-diaza-2,3-dimethyl-1,3-butadiene (α-diimine) ligand (ene-diamido ligand) served as a catalyst for radical addition reactions of CCl4 to α-olefins and cyclic alkenes, selectively affording 1:1 radical addition products in a regioselective manner. During the catalytic reaction, the α-diimine ligand smoothly released and stored an electron to control the oxidation state of the niobium center by changing between an η4-(σ2,π) coordination mode with a folded MN2C2 metallacycle and a κ2-(N,N') coordination mode with a planar MN2C2 metallacycle. Kinetic studies of the catalytic reaction elucidated the reaction order in the catalytic cycle: the radical addition reaction rate obeyed first-order kinetics that were dependent on the concentrations of the catalyst, styrene, and CCl4, while a saturation effect was observed at a high CCl4 concentration. In the presence of excess amounts of styrene, styrene coordinated in an η2-olefinic manner to the niobium center to decrease the reaction rate. No observation of oligomers or polymers of styrene and high stereoselectivity for the radical addition reaction of CCl4 to cyclopentene suggested that the C-C bond formation proceeded inside the coordination sphere of niobium, which was in good accordance with the negative entropy value of the radical addition reaction. Furthermore, reaction of 1a with (bromomethyl)cyclopropane confirmed that both the C-Br bond activation and formation proceeded on the α-diimine-coordinated niobium center during transformation of the cyclopropylmethyl radical to a homoallyl radical. With regard to the reaction mechanism, we detected and isolated NbCl4(α-diimine) (6a) as a transient one-electron oxidized species of 1a during reductive cleavage of the C-X bonds; in addition, the monoanionic α-diimine ligand of 6a adopted a monoanionic canonical form with selective one-electron oxidation of the dianionic ene-diamido form of the ligand in 1a.
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Affiliation(s)
- Haruka Nishiyama
- Department of Chemistry, Graduate School of Engineering Science, Osaka University , Toyonaka, Osaka, 5608531, Japan
| | - Hideaki Ikeda
- Department of Chemistry, Graduate School of Engineering Science, Osaka University , Toyonaka, Osaka, 5608531, Japan
| | - Teruhiko Saito
- Department of Chemistry, Graduate School of Engineering Science, Osaka University , Toyonaka, Osaka, 5608531, Japan
| | - Benjamin Kriegel
- Department of Chemistry, Graduate School of Engineering Science, Osaka University , Toyonaka, Osaka, 5608531, Japan
| | - Hayato Tsurugi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University , Toyonaka, Osaka, 5608531, Japan
| | - John Arnold
- Department of Chemistry, University of California , Berkeley, California 94720-1460, United States
| | - Kazushi Mashima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University , Toyonaka, Osaka, 5608531, Japan
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49
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Hegmann N, Prusko L, Heinrich MR. Synthesis of Spirocyclohexadienones through Radical Cascade Reactions Featuring 3-Fold Carbon–Carbon Bond Formation. Org Lett 2017; 19:2222-2225. [DOI: 10.1021/acs.orglett.7b00676] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nina Hegmann
- Department of Chemistry and
Pharmacy, Pharmaceutical Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schuhstraße 19, 91052 Erlangen, Germany
| | - Lea Prusko
- Department of Chemistry and
Pharmacy, Pharmaceutical Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schuhstraße 19, 91052 Erlangen, Germany
| | - Markus R. Heinrich
- Department of Chemistry and
Pharmacy, Pharmaceutical Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schuhstraße 19, 91052 Erlangen, Germany
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50
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Affiliation(s)
- Zhong-Quan Liu
- School
of Petrochemical Engineering, Institute for Natural and Synthetic
Organic Chemistry, Jiangsu Key Laboratory of Advanced Catalytic Materials
and Technology, Changzhou University, Changzhou 213164, P. R. China
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, P. R. China
| | - Dong Liu
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, P. R. China
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