1
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Yonekura K, Aoki K, Nishida T, Ikeda Y, Oyama R, Hatano S, Abe M, Shirakawa E. Photoinduced α-Aminoalkylation of Sulfonylarenes with Alkylamines. Chemistry 2023; 29:e202302658. [PMID: 37681494 DOI: 10.1002/chem.202302658] [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: 08/15/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/09/2023]
Abstract
α-Aminoalkylation of sulfonylarenes with alkylamines was found to be induced by photoirradiation. Here various types of alkylamines, such as trialkylamines, dialkylamines, N,N-dialkylanilines and N-alkylanilines as well as sulfonylarenes containing an azole, azine, heterole or benzene ring are available. The reaction proceeds through a homolytic aromatic substitution (HAS) process consisting of addition of an α-aminoalkyl radical to a sulfonylarene and elimination of the sulfonyl radical to give the α-arylalkylamine, where photoirradiation is considered to induce homolysis of sulfonylarenes leading to the generation of α-aminoalkyl radicals that make a radical chain operative.
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Affiliation(s)
- Kyohei Yonekura
- Department of Applied Chemistry for Environment, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo, 669-1330, Japan
| | - Kohei Aoki
- Department of Applied Chemistry for Environment, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo, 669-1330, Japan
| | - Tomoya Nishida
- Department of Applied Chemistry for Environment, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo, 669-1330, Japan
| | - Yuko Ikeda
- Department of Applied Chemistry for Environment, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo, 669-1330, Japan
| | - Ryoko Oyama
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University Higashi-Hiroshima, Hiroshima, 739-8526, Japan
| | - Sayaka Hatano
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University Higashi-Hiroshima, Hiroshima, 739-8526, Japan
| | - Manabu Abe
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University Higashi-Hiroshima, Hiroshima, 739-8526, Japan
| | - Eiji Shirakawa
- Department of Applied Chemistry for Environment, School of Biological and Environmental Sciences, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo, 669-1330, Japan
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2
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Bera K, Mukherjee A. Chemoselective α-Alkylation of Nitriles with Primary Alcohols by Manganese(I)-Catalysis. Chem Asian J 2023:e202300157. [PMID: 37156742 DOI: 10.1002/asia.202300157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/12/2023] [Indexed: 05/10/2023]
Abstract
A sustainable and easy-to-use protocol for the alkylation of aryl nitriles with the earth-abundant manganese(I) catalyst is presented. The alkylation reaction employs readily available nitriles and naturally abundant alcohols as the coupling partners. The reaction proceeds chemoselectively and encompasses a broad substrate scope with good to excellent yields. The catalytic reaction yields selectively α-branched nitriles and water as the sole byproduct. Experimental studies were executed to understand the mechanism of the catalytic reaction.
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Affiliation(s)
- Krishanu Bera
- Department of Chemistry, Indian Institute of Technology Bhilai, GEC Campus, Sejbahar, Raipur, 492015, Chhattisgarh, India
| | - Arup Mukherjee
- Department of Chemistry, Indian Institute of Technology Bhilai, GEC Campus, Sejbahar, Raipur, 492015, Chhattisgarh, India
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3
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Chen B, Huang Z, Hu Z, Liu X, Weng J. Visible Light Induced C2 Alkylation of 2
H
‐Benzoxazoles with Cycloalkanes and Ethers
via
Selectfluor‐Mediated Oxidation. ChemistrySelect 2023. [DOI: 10.1002/slct.202204773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Bo Chen
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 China
| | - Zhen Huang
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 China
| | - Zhi‐Gang Hu
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 China
| | - Xing‐Hai Liu
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 China
| | - Jian‐Quan Weng
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 China
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4
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Guo H, Sun N, Guo J, Zhou TP, Tang L, Zhang W, Deng Y, Liao RZ, Wu Y, Wu G, Zhong F. Expanding the Promiscuity of a Copper-Dependent Oxidase for Enantioselective Cross-Coupling of Indoles. Angew Chem Int Ed Engl 2023; 62:e202219034. [PMID: 36789864 DOI: 10.1002/anie.202219034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 02/16/2023]
Abstract
Herein, we disclose the highly enantioselective oxidative cross-coupling of 3-hydroxyindole esters with various nucleophilic partners as catalyzed by copper efflux oxidase. The biocatalytic transformation delivers functionalized 2,2-disubstituted indolin-3-ones with excellent optical purity (90-99 % ee), which exhibited anticancer activity against MCF-7 cell lines, as shown by preliminary biological evaluation. Mechanistic studies and molecular docking results suggest the formation of a phenoxyl radical and enantiocontrol facilitated by a suited enzyme chiral pocket. This study is significant with regard to expanding the catalytic repertoire of natural multicopper oxidases as well as enlarging the synthetic toolbox for sustainable asymmetric oxidative coupling.
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Affiliation(s)
- Huan Guo
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Ningning Sun
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Juan Guo
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Tai-Ping Zhou
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Langyu Tang
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Wentao Zhang
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Yaming Deng
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Rong-Zhen Liao
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Yuzhou Wu
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Guojiao Wu
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
| | - Fangrui Zhong
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, China
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5
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Eckhardt P, Elliot Q, Alabugin IV, Opatz T. Two Paths to Oxidative C-H Amination Under Basic Conditions: A Theoretical Case Study Reveals Hidden Opportunities Provided by Electron Upconversion. Chemistry 2022; 28:e202201637. [PMID: 35880945 PMCID: PMC9804812 DOI: 10.1002/chem.202201637] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Indexed: 01/09/2023]
Abstract
Traditionally, cross-dehydrogenative coupling (CDC) leads to C-N bond formation under basic and oxidative conditions and is proposed to proceed via a two-electron bond formation mediated by carbenium ions. However, the formation of such high-energy intermediates is only possible in the presence of strong oxidants, which may lead to undesired side reactions and poor functional group tolerance. In this work we explore if oxidation under basic conditions allows the formation of three-electron bonds (resulting in "upconverted" highly-reducing radical-anions). The benefit of this "upconversion" process is in the ability to use milder oxidants (e. g., O2 ) and to avoid high-energy intermediates. Comparison of the two- and three-electron pathways using quantum mechanical calculations reveals that not only does the absence of a strong oxidant shut down two-electron pathways in favor of a three-electron path but, paradoxically, weaker oxidants react faster with the upconverted reductants by avoiding the inverted Marcus region for electron transfer.
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Affiliation(s)
- Paul Eckhardt
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
| | - Quintin Elliot
- Department of Chemistry and BiochemistryFlorida State UniversityTallahasseeFlorida 32306USA
| | - Igor V. Alabugin
- Department of Chemistry and BiochemistryFlorida State UniversityTallahasseeFlorida 32306USA
| | - Till Opatz
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
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6
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Sugawara M, Sawamura M, Akakabe M, Ramadoss B, Sohtome Y, Sodeoka M. Pd-catalyzed Aerobic Cross-Dehydrogenative Coupling of Catechols with 2-Oxindoles and Benzofuranones: Reactivity Difference Between Monomer and Dimer. Chem Asian J 2022; 17:e202200807. [PMID: 36062560 PMCID: PMC9825984 DOI: 10.1002/asia.202200807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/05/2022] [Indexed: 01/11/2023]
Abstract
Persistent radicals, which are generated from 2-oxindole or benzofuranone dimers, are useful tools for designing the radical-based cross-coupling reaction to provide molecules containing a quaternary carbon. The persistent radical is accessible from both the dimer and monomer; however, the reactivity difference between these substrates for the oxidative cross-coupling reaction is not fully understood, most likely because of the mechanistic complexity. Here, we present details of an aerobic cross-dehydrogenative coupling (CDC) reaction using various monomers and catechols. UV-Vis analysis and mechanistic control experiments showed that the monomer is less reactive than the dimer under aerobic conditions. Our Pd(II)-BINAP-μ-hydroxo complex significantly improved the reactivity of the monomers for the aerobic CDC reaction with catechols, yielding results comparable to those of the corresponding dimer. The procedure, which enables the generation of the persistent radical in situ, is particularly useful when employing the monomer that is not readily converted to the corresponding dimer.
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Affiliation(s)
- Masumi Sugawara
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan
| | - Miki Sawamura
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan,Tokyo Medical and Dental UniversityTokyo113-8510Japan
| | - Mai Akakabe
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan,Catalysis and Integrated Research Group RIKEN Center for Sustainable Resource Science
| | - Boobalan Ramadoss
- Catalysis and Integrated Research Group RIKEN Center for Sustainable Resource Science
| | - Yoshihiro Sohtome
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan,Catalysis and Integrated Research Group RIKEN Center for Sustainable Resource Science
| | - Mikiko Sodeoka
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan,Catalysis and Integrated Research Group RIKEN Center for Sustainable Resource Science,Tokyo Medical and Dental UniversityTokyo113-8510Japan
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7
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Yu J, Cheng Y, Chen B, Tung C, Wu L. Cobaloxime Photocatalysis for the Synthesis of Phosphorylated Heteroaromatics. Angew Chem Int Ed Engl 2022; 61:e202209293. [DOI: 10.1002/anie.202209293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Ji‐Xin Yu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Yuan‐Yuan Cheng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Bin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Chen‐Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Li‐Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
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8
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Babu MH, Sim J. Radical‐Mediated C‐H Alkylation of Glycine Derivatives: A Straightforward Strategy for Diverse α‐Unnatural Amino Acids. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Madala Hari Babu
- Chungnam National University College of Pharmacy KOREA, REPUBLIC OF
| | - Jaehoon Sim
- Chungnam National University College of Pharmacy College of Pharmacy 99 Daehak-ro, Yuseong-guW6 College of Pharmacy 34134 Daejeon KOREA, REPUBLIC OF
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9
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Yu M, Zhen L, Jiang L. Cobalt‐Catalyzed Hydrolysis/C‐H Thiolation Cascade Reaction of N‐Aryl Thiocarbamoyl Fluorides with Water: Access to 3‐Alkyl‐2(3H)‐Benzothiazolones. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200426] [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]
Affiliation(s)
- Miao Yu
- East China Normal University CHINA
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10
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San Segundo M, Correa A. Radical C–H Alkylation with Ethers and Unactivated Cycloalkanes toward the Assembly of Tetrasubstituted Amino Acid Derivatives. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200716] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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11
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Liu K, Studer A. Formal β-C-H Arylation of Aldehydes and Ketones by Cooperative Nickel and Photoredox Catalysis. Angew Chem Int Ed Engl 2022; 61:e202206533. [PMID: 35656716 PMCID: PMC9400853 DOI: 10.1002/anie.202206533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Indexed: 01/19/2023]
Abstract
α-C-H-functionalization of ketones and aldehydes has been intensively explored in organic synthesis. The functionalization of unactivated β-C-H bonds in such carbonyl compounds is less well investigated and developing a general method for their β-C-H arylation remains challenging. Herein we report a method that uses cooperative nickel and photoredox catalysis for the formal β-C-H arylation of aldehydes and ketones with (hetero)aryl bromides. The method features mild conditions, remarkable scope and wide functional group tolerance. Importantly, the introduced synthetic strategy also allows the β-alkenylation, β-alkynylation and β-acylation of aldehydes under similar conditions. Mechanistic studies revealed that this transformation proceeds through a single electron oxidation/Ni-mediated coupling/reductive elimination cascade.
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Affiliation(s)
- Kun Liu
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstraße 4048149MünsterGermany
| | - Armido Studer
- Organisch-Chemisches InstitutWestfälische Wilhelms-UniversitätCorrensstraße 4048149MünsterGermany
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12
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Yu JX, Cheng YY, Chen B, Tung CH, Wu LZ. Cobaloxime Photocatalysis for Phosphorylated Heteroaromatics. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ji-Xin Yu
- Technical Institute of Physics and Chemistry Technical Institute of Physics and Chemistry, CAS CHINA
| | - Yuan-Yuan Cheng
- Technical Institute of Physics and Chemistry Technical Institute of Physics and Chemistry, CAS CHINA
| | - Bin Chen
- Technical Institute of Physics and Chemistry Technical Institute of Physics and Chemistry, CAS CHINA
| | - Chen-Ho Tung
- Technical Institute of Physics and Chemistry Technical Institute of Physics and Chemistry, CAS CHINA
| | - Li-Zhu Wu
- Technical Institute of Physics and Chemistry Chinese Academy of Science Zhongguancun east road 29#, haidian district, Beijing 100190, China 100190 Beijing CHINA
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13
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Li R, Wang Z, Zhang Y, Tan Z, Xu D. Iodine‐Catalyzed Oxidative Coupling of Indolin‐2‐ones with Indoles: Synthesis of 3,3‐Disubstituted Oxindole Compounds. ChemistrySelect 2022. [DOI: 10.1002/slct.202200558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ruo‐Pu Li
- National Engineering Research Center of Pesticide (Tianjin) College of Chemistry Nankai University Tianjin 300071 China
| | - Zheng‐Lin Wang
- National Engineering Research Center of Pesticide (Tianjin) College of Chemistry Nankai University Tianjin 300071 China
| | - Yun‐Hao Zhang
- National Engineering Research Center of Pesticide (Tianjin) College of Chemistry Nankai University Tianjin 300071 China
| | - Zhi‐Yu Tan
- National Engineering Research Center of Pesticide (Tianjin) College of Chemistry Nankai University Tianjin 300071 China
| | - Da‐Zhen Xu
- National Engineering Research Center of Pesticide (Tianjin) College of Chemistry Nankai University Tianjin 300071 China
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14
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Shi Z, Li Y, Li N, Wang WZ, Lu HK, Yan H, Yuan Y, Zhu J, Ye KY. Electrochemical Migratory Cyclization of N-Acylsulfonamides. Angew Chem Int Ed Engl 2022; 61:e202206058. [PMID: 35606293 DOI: 10.1002/anie.202206058] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Indexed: 11/11/2022]
Abstract
Benzoxathiazine dioxide, as a bioisostere of the clinically widely used diazoxide, exhibits interesting biological activity. However, limited success has been achieved in terms of its concise and direct synthesis. We report herein a facile electrochemical migratory cyclization of N-acylsulfonamides to access a diverse array of benzoxathiazine dioxides. The inclusion of electrochemistry is crucial for realizing such a novel transformation, which is substantiated both by the experiments and density-functional-theory calculations.
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Affiliation(s)
- Zhaojiang Shi
- Institute of Pharmaceutical Science and Technology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Yuanyuan Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Nan Li
- Institute of Pharmaceutical Science and Technology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Wei-Zhen Wang
- Institute of Pharmaceutical Science and Technology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Hao-Kuan Lu
- Institute of Pharmaceutical Science and Technology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Hong Yan
- Institute of Pharmaceutical Science and Technology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Yaofeng Yuan
- Institute of Pharmaceutical Science and Technology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Jun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Ke-Yin Ye
- Institute of Pharmaceutical Science and Technology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
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15
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Xu B, Su W. A Tandem Dehydrogenation-Driven Cross-Coupling between Cyclohexanones and Primary Amines for Construction of Benzoxazoles. Angew Chem Int Ed Engl 2022; 61:e202203365. [PMID: 35546303 DOI: 10.1002/anie.202203365] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Indexed: 01/27/2023]
Abstract
Herein, we report a transition metal-free, operationally simple, general method for straightforward syntheses of 2-substituted benzoxazoles from readily available cyclohexanones and aliphatic primary amines by an imine α-oxygenation-initiated cascade reaction sequence. The key to achieving high selectivity and excellent functional-group tolerance is the use of TEMPO as a mild oxidant that selectively oxidizes the reaction intermediates through its multiple reactivity modes, thus facilitating the individual steps to proceed in succession. More than 70 substrate combinations are disclosed, demonstrating the reliability of this protocol to synthesize structurally diverse products, including marketed drugs, drug candidate, and natural products that are unattainable by the existing methods.
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Affiliation(s)
- Biping Xu
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, 350002, China
| | - Weiping Su
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, 350002, China
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16
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Ghosh S, Pyne P, Ghosh A, Hajra A. Ortho C-H Functionalizations of 2-Aryl-2H-Indazoles. CHEM REC 2022; 22:e202200158. [PMID: 35866505 DOI: 10.1002/tcr.202200158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 11/10/2022]
Abstract
C-H Functionalization is ubiquitously considered as a powerful, efficient and handy tool for installing various functional groups in complex organic heterocycles in an easier and step-economic way. Similarly, indazole is endowed as a potent heterocycle and is eminent for its profound impact in biological, medicinal and industrial chemistry. In this scenario, C-H functionalization at the selective ortho position of 2-arylindazole in assistance of a metal catalyst is also becoming an appealing approach in synthetic organic chemistry. This review addressed the recent findings and developments on ortho C-H functionalization of 2-aryl-2H-indazazoles with literature coverage extending from 2018 to May 2022.
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Affiliation(s)
- Sumit Ghosh
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
| | - Pranjal Pyne
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
| | - Anogh Ghosh
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
| | - Alakananda Hajra
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
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17
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Yang DY, Wang H, Chang CR. Recent Advances for Alkylation of Ketones and Secondary Alcohols using Alcohols in Homogeneous Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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18
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Jiang HM, Sun Q, Jiang JP, Qin JH, Ouyang XH, Song RJ. Copper‐Catalyzed Oxidative 1,2‐Alkylarylation of Styrenes with Unactivated C(sp3)‐H Alkanes and Electron‐Rich Aromatics via C(sp3)‐H/C(sp2)‐H Functionalization. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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19
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Shi Z, Li Y, Li N, Wang W, Lu H, Yan H, Yuan Y, Zhu J, Ye K. Electrochemical Migratory Cyclization of
N
‐Acylsulfonamides. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Zhaojiang Shi
- Institute of Pharmaceutical Science and Technology College of Chemistry Fuzhou University Fuzhou 350108 China
| | - Yuanyuan Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry Department of Chemistry, College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Nan Li
- Institute of Pharmaceutical Science and Technology College of Chemistry Fuzhou University Fuzhou 350108 China
| | - Wei‐Zhen Wang
- Institute of Pharmaceutical Science and Technology College of Chemistry Fuzhou University Fuzhou 350108 China
| | - Hao‐Kuan Lu
- Institute of Pharmaceutical Science and Technology College of Chemistry Fuzhou University Fuzhou 350108 China
| | - Hong Yan
- Institute of Pharmaceutical Science and Technology College of Chemistry Fuzhou University Fuzhou 350108 China
| | - Yaofeng Yuan
- Institute of Pharmaceutical Science and Technology College of Chemistry Fuzhou University Fuzhou 350108 China
| | - Jun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry Department of Chemistry, College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Ke‐Yin Ye
- Institute of Pharmaceutical Science and Technology College of Chemistry Fuzhou University Fuzhou 350108 China
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20
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Mishra DR, Panda BS, Nayak S, Panda J, Mohapatra S. Recent Advances in the Synthesis of 5‐Membered
N
‐Heterocycles via Rhodium Catalysed Cascade Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Deepak R. Mishra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Bhabani S. Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Jasmine Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
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21
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Wang M, Zhang Z, Xiong C, Sun P, Zhou C. Microwave‐Accelerated Cross‐Dehydrogenative Coupling of Quinoxalin‐2(1
H
)‐ones with Alkanes under Transition‐Metal‐Free Conditions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200816] [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]
Affiliation(s)
- Min Wang
- Nanjing Normal University Jiangsu Collaborative Innovation Center of Biomedical Functional Materials Nanjing 210023 China
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education Huaibei Anhui 235000 China
| | - Zhongyi Zhang
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education Huaibei Anhui 235000 China
| | - Chunxia Xiong
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education Huaibei Anhui 235000 China
| | - Peipei Sun
- Nanjing Normal University Jiangsu Collaborative Innovation Center of Biomedical Functional Materials Nanjing 210023 China
| | - Chao Zhou
- Huaibei Normal University Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education Huaibei Anhui 235000 China
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22
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Liu K, Studer A. Formal β‐C‐H Arylation of Aldehydes and Ketones by Cooperative Nickel and Photoredox Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kun Liu
- Westfälische Wilhelms-Universität Münster: Westfalische Wilhelms-Universitat Munster Chemistry and pharmacy GERMANY
| | - Armido Studer
- Westfalische Wilhelms-Universitat Munster Organisch-Chemisches Institut Corrensstrasse 40 48149 Münster GERMANY
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23
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Bromo‐Substituted Diazenyl‐pyrazolo[1,5‐a]pyrimidin‐2‐amines: Sonogashira Cross‐Coupling Reaction, Photophysical Properties, Bio‐Interaction and HSA light‐up sensor. Chembiochem 2022; 23:e202200248. [DOI: 10.1002/cbic.202200248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 05/13/2022] [Indexed: 11/07/2022]
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24
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Xu B, Su W. A Tandem Dehydrogenation‐Driven Cross‐Coupling between Cyclohexanones and Primary Amines for Construction of Benzoxazoles. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Biping Xu
- FIRSM: Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter Chemistry CHINA
| | - Weiping Su
- Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences State Key Laboratory of Structural Chemistry Yangqiao West Road 155# 350002 Fuzhou CHINA
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25
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Zhang L, Pfund B, Wenger OS, Hu X. Oxidase‐Type C−H/C−H Coupling Using an Isoquinoline‐Derived Organic Photocatalyst. Angew Chem Int Ed Engl 2022; 61:e202202649. [PMID: 35253971 PMCID: PMC9310868 DOI: 10.1002/anie.202202649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Indexed: 12/21/2022]
Abstract
Oxidase‐type oxidation is an attractive strategy in organic synthesis due to the use of O2 as the terminal oxidant. Organic photocatalysis can effect metal‐free oxidase chemistry. Nevertheless, current methods are limited in reaction scope, possibly due to the lack of suitable photocatalysts. Here we report an isoquinoline‐derived diaryl ketone‐type photocatalyst, which has much enhanced absorption of blue and visible light compared to conventional diaryl ketones. This photocatalyst enables dehydrogenative cross‐coupling of heteroarenes with unactivated and activated alkanes as well as aldehydes using air as the oxidant. A wide range of heterocycles with various functional groups are suitable substrates. Transient absorption and excited‐state quenching experiments point to an unconventional mechanism that involves an excited state “self‐quenching” process to generate the N‐radical cation form of the sensitizer, which subsequently abstracts a hydrogen atom from the alkane substrate to yield a reactive alkyl radical.
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Affiliation(s)
- Lei Zhang
- Laboratory of Inorganic Synthesis and Catalysis Institute of Chemical Sciences and Engineering École Polytechnique Fédérale de Lausanne (EPFL) ISIC-LSCI Lausanne Switzerland
- School of Chemistry and Material Sciences Hangzhou Institute of Advanced Study University of Chinese Academy of Sciences 1 Sub-lane Xiangshan, Hangzhou 310024 China
| | - Björn Pfund
- Department of Chemistry University of Basel 4056 Basel Switzerland
| | - Oliver S. Wenger
- Department of Chemistry University of Basel 4056 Basel Switzerland
| | - Xile Hu
- Laboratory of Inorganic Synthesis and Catalysis Institute of Chemical Sciences and Engineering École Polytechnique Fédérale de Lausanne (EPFL) ISIC-LSCI Lausanne Switzerland
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26
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Yu C, Huang R, Patureau FW. Direct Dehydrogenative Access to Unsymmetrical Phenones. Angew Chem Int Ed Engl 2022; 61:e202201142. [PMID: 35128810 PMCID: PMC9314079 DOI: 10.1002/anie.202201142] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Indexed: 11/09/2022]
Abstract
The first non-directed dehydrogenative phenone coupling method of methylarenes with aromatic C-H bonds, displaying a large substrate scope, is herein reported. This reaction represents a far more direct atom- and step-efficient alternative to the classical Friedel-Crafts or Suzuki-Miyaura derived acylation reactions. The method can be carried out on a gram scale and was successfully applied to the synthesis of several Ketoprofen drug analogues.
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Affiliation(s)
- Congjun Yu
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Raolin Huang
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Frederic W. Patureau
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
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27
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Tan Z, He X, Xu K, Zeng C. Electrophotocatalytic C-H Functionalization of N-Heteroarenes with Unactivated Alkanes under External Oxidant-Free Conditions. CHEMSUSCHEM 2022; 15:e202102360. [PMID: 34967138 DOI: 10.1002/cssc.202102360] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/29/2021] [Indexed: 06/14/2023]
Abstract
The Minisci alkylation of N-heteroarenes with unactivated alkanes under external oxidant-free conditions provides an economically attractive route to access alkylated N-heteroarenes but remains underdeveloped. Herein, a new electrophotocatalytic strategy to access alkyl radicals from strong C(sp3 )-H bonds was reported for the following Minisci alkylation reactions in the absence of chemical oxidants. This strategy realized the first example of cerium-catalyzed Minisci alkylation reaction directly from abundant unactivated alkanes with excellent atom economy. It is anticipated that the general design principle would enrich catalytic strategies to explore the functionalizations of strong C(sp3 )-H bonds under external oxidant-free conditions with H2 evolution.
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Affiliation(s)
- Zhoumei Tan
- Faculty of Environment and Life, Beijing University of Technology, Beijing, 100124, P.R. China
| | - Xinrui He
- Faculty of Environment and Life, Beijing University of Technology, Beijing, 100124, P.R. China
| | - Kun Xu
- Faculty of Environment and Life, Beijing University of Technology, Beijing, 100124, P.R. China
| | - Chengchu Zeng
- Faculty of Environment and Life, Beijing University of Technology, Beijing, 100124, P.R. China
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28
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Zhang L, Pfund B, Wenger OS, Hu X. Oxidase‐Type C−H/C−H Coupling Using an Isoquinoline‐Derived Organic Photocatalyst. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Lei Zhang
- Laboratory of Inorganic Synthesis and Catalysis Institute of Chemical Sciences and Engineering École Polytechnique Fédérale de Lausanne (EPFL) ISIC-LSCI Lausanne Switzerland
- School of Chemistry and Material Sciences Hangzhou Institute of Advanced Study University of Chinese Academy of Sciences 1 Sub-lane Xiangshan, Hangzhou 310024 China
| | - Björn Pfund
- Department of Chemistry University of Basel 4056 Basel Switzerland
| | - Oliver S. Wenger
- Department of Chemistry University of Basel 4056 Basel Switzerland
| | - Xile Hu
- Laboratory of Inorganic Synthesis and Catalysis Institute of Chemical Sciences and Engineering École Polytechnique Fédérale de Lausanne (EPFL) ISIC-LSCI Lausanne Switzerland
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29
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Yu C, Huang R, Patureau FW. Direkter Dehydrierender Zugang zu unsymmetrischen Phenonen. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Congjun Yu
- Institut für Organische Chemie RWTH Aachen University Landoltweg 1 52074 Aachen Deutschland
| | - Raolin Huang
- Institut für Organische Chemie RWTH Aachen University Landoltweg 1 52074 Aachen Deutschland
| | - Frederic W. Patureau
- Institut für Organische Chemie RWTH Aachen University Landoltweg 1 52074 Aachen Deutschland
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30
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Verma SK, Punji B. Manganese-Catalyzed C(sp2)-H Alkylation of Indolines and Arenes with Unactivated Alkyl Bromides. Chem Asian J 2022; 17:e202200103. [PMID: 35289105 DOI: 10.1002/asia.202200103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/02/2022] [Indexed: 11/10/2022]
Abstract
Selective C(sp 2 ) - H bond alkylation of indoline, carbazole and (2-pyridinyl)arenes with unactivated alkyl bromides is achieved using MnBr 2 catalyst in the absence of an external ligand. The alkylation uses a simple LiHMDS base and avoids the necessity of Grignard reagent, unlike other Mn-catalyzed C - H functionalization. This reaction proceeded either through a five- or a less-favored six-membered metallacycle, and tolerated diverse functionalities, including alkenyl, alkynyl, silyl, aryl ether, pyrrolyl, indolyl, carbazolyl and alkyl bearing fatty alcohol and polycyclic-steroid moieties. Alkylation follows a single electron transfer (SET) pathway involving 1e oxidative addition of alkyl bromide and a rate-limiting C-H metalation.
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Affiliation(s)
- Suryadev K Verma
- CSIR-National Chemical Laboratory: National Chemical Laboratory CSIR, Organic Chemistry Division, Dr. Homi Bhabha Road, Pune, 411008, Pune, INDIA
| | - Benudhar Punji
- National Chemical Laboratory CSIR, Chemical Engineering Division, Dr. Homi Bhabha Road, 411008, Pune, INDIA
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31
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Fernandes R, Mhaske K, Balhara R, Jindal G, Narayan R. Copper-Catalyzed Aerobic Cross-Dehydrogenative Coupling of β-Oxime Ether Furan with Indole. Chem Asian J 2022; 17:e202101369. [PMID: 35146932 DOI: 10.1002/asia.202101369] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/30/2022] [Indexed: 11/09/2022]
Abstract
Heterobiaryls serve as relevant structural motifs in many fields of high applicative importance such as drugs, agrochemicals, organic functional materials etc. Cross-dehydrogenative coupling involving direct oxidation of two C-H bonds to construct a C-C bond is actively being pursued as a more benign and 'greener' alternative for synthesizing heterobiaryls. Herein, we report a Cu(I)-catalyzed cross-dehydrogenative coupling of indoles and furans, two of the most important aromatic heterocycles using air as the terminal oxidant. The reaction proceeds with regio- and chemoselectivity to give the cross-coupled products in good to excellent yields generally. A broad substrate scope with respect to both the coupling partners has been demonstrated to prove the generality of this reaction. This represents the hitherto unexplored cross-dehydrogenative coupling methodology to obtain an indole-furan biaryl motif.
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Affiliation(s)
- Rushil Fernandes
- School of Chemical and Materials Sciences (SCMS), Indian Institute of Technology (IIT) Goa GEC Campus, Farmagudi, Ponda, Goa-403401, India
| | - Krishna Mhaske
- School of Chemical and Materials Sciences (SCMS), Indian Institute of Technology (IIT) Goa GEC Campus, Farmagudi, Ponda, Goa-403401, India
| | - Reena Balhara
- Department of Organic Chemistry, Indian Institute of Science, Bangalore-560012, Karnataka, India
| | - Garima Jindal
- Department of Organic Chemistry, Indian Institute of Science, Bangalore-560012, Karnataka, India
| | - Rishikesh Narayan
- School of Chemical and Materials Sciences (SCMS), Indian Institute of Technology (IIT) Goa GEC Campus, Farmagudi, Ponda, Goa-403401, India
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32
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Yang X, Wu C, Su W, Yu J. Mechanochemical C−X/C−H Functionalization: An Alternative Strategy Access to Pharmaceuticals. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101440] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xinjie Yang
- Zhejiang University of Technology Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Chaowang Road 18# 310014 Hangzhou CHINA
| | - Chongyang Wu
- Zhejiang University of Technology Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Chaowang Road 18# 310014 Hangzhou CHINA
| | - Weike Su
- Zhejiang University of Technology Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Chaowang Road 18# 310014 Hangzhou CHINA
| | - Jingbo Yu
- Zhejiang University of Technology Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Chaowang Road 18# 310014 Hangzhou CHINA
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33
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Cao X, Zheng Z, Liu J, Hu Y, Yu H, Cai S, Wang G. H
2
O
2
‐Mediated Synthesis of 1,2,4‐Thiadiazole Derivatives in Ethanol at Room Temperature. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Xian‐Ting Cao
- College of Medical Engineering& the Key Laboratory for Medical Functional Nanomaterials Jining Medical University Jining 272067 People's Republic of China
| | - Zuo‐Ling Zheng
- College of Medical Engineering& the Key Laboratory for Medical Functional Nanomaterials Jining Medical University Jining 272067 People's Republic of China
| | - Jie Liu
- College of Medical Engineering& the Key Laboratory for Medical Functional Nanomaterials Jining Medical University Jining 272067 People's Republic of China
| | - Yu‐He Hu
- College of Medical Engineering& the Key Laboratory for Medical Functional Nanomaterials Jining Medical University Jining 272067 People's Republic of China
| | - Hao‐Yun Yu
- College of Medical Engineering& the Key Laboratory for Medical Functional Nanomaterials Jining Medical University Jining 272067 People's Republic of China
| | - Shasha Cai
- College of Medical Engineering& the Key Laboratory for Medical Functional Nanomaterials Jining Medical University Jining 272067 People's Republic of China
| | - Guannan Wang
- College of Medical Engineering& the Key Laboratory for Medical Functional Nanomaterials Jining Medical University Jining 272067 People's Republic of China
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34
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Majumder S, Ghosh S, Pyne P, Ghosh A, Ghosh D, Hajra A. Synthesis of Unsymmetrical Biheteroarenes via Dehydrogenative and Decarboxylative Coupling: a Decade Update. CHEM REC 2021; 22:e202100288. [PMID: 34970849 DOI: 10.1002/tcr.202100288] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/13/2021] [Accepted: 12/17/2021] [Indexed: 12/22/2022]
Abstract
The design and development of robust and efficient methods for installing one heterocycle with another is endowed as a ubiquitous and powerful synthetic strategy to access complex organic biheterocycles in recent days due to their pervasive applications in medicinal as well as material chemistry. This perspective presents an overview on the recent findings and developments for the synthesis of unsymmetrical biheteroarenes via dehydrogenative and decarboxylative couplings with literature coverage mainly extending from 2011 to 2021. For simplification of the readers, the article has been subcategorized based on the catalysts used in the reactions.
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Affiliation(s)
- Souvik Majumder
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
| | - Sumit Ghosh
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
| | - Pranjal Pyne
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
| | - Anogh Ghosh
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
| | - Debashis Ghosh
- Department of Chemistry, St. Joseph's College (Autonomous), Bangalore, 560027, Karnataka, India
| | - Alakananda Hajra
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India
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35
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Deb ML, Saikia BS, Borpatra PJ, Baruah PK. Progress of metal‐free visible‐light‐driven a‐C‐H functionalization of tertiary amines: A decade journey. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100706] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | | | - Pranjal K. Baruah
- GUIST, Gauhati University Applied Sciences Gopinath Bordoloi Nagar 781014 Guwahati INDIA
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36
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Qiao J, Song Z, Huang C, Ci R, Liu Z, Chen B, Tung C, Wu L. Direct, Site‐Selective and Redox‐Neutral α‐C−H Bond Functionalization of Tetrahydrofurans via Quantum Dots Photocatalysis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109849] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Jia Qiao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Zi‐Qi Song
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Cheng Huang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Rui‐Nan Ci
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Zan Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Bin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Chen‐Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Li‐Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China
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37
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Liu L, Guo K, Tian Y, Yang C, Gu Q, Li Z, Ye L, Liu X. Copper‐Catalyzed Intermolecular Enantioselective Radical Oxidative C(sp
3
)−H/C(sp)−H Cross‐Coupling with Rationally Designed Oxazoline‐Derived N,N,P(O)‐Ligands. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110233] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lin Liu
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Kai‐Xin Guo
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Yu Tian
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Chang‐Jiang Yang
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Qiang‐Shuai Gu
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
| | - Zhong‐Liang Li
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
| | - Liu Ye
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
| | - Xin‐Yuan Liu
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
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38
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Liu L, Guo KX, Tian Y, Yang CJ, Gu QS, Li ZL, Ye L, Liu XY. Copper-Catalyzed Intermolecular Enantioselective Radical Oxidative C(sp 3 )-H/C(sp)-H Cross-Coupling with Rationally Designed Oxazoline-Derived N,N,P(O)-Ligands. Angew Chem Int Ed Engl 2021; 60:26710-26717. [PMID: 34606167 DOI: 10.1002/anie.202110233] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/20/2021] [Indexed: 12/14/2022]
Abstract
The intermolecular asymmetric radical oxidative C(sp3 )-C(sp) cross-coupling of C(sp3 )-H bonds with readily available terminal alkynes is a promising method to forge chiral C(sp3 )-C(sp) bonds because of the high atom and step economy, but remains underexplored. Here, we report a copper-catalyzed asymmetric C(sp3 )-C(sp) cross-coupling of (hetero)benzylic and (cyclic)allylic C-H bonds with terminal alkynes that occurs with high to excellent enantioselectivity. Critical to the success is the rational design of chiral oxazoline-derived N,N,P(O)-ligands that not only tolerate the strong oxidative conditions which are requisite for intermolecular hydrogen atom abstraction (HAA) processes but also induce the challenging enantiocontrol. Direct access to a range of synthetically useful chiral benzylic alkynes and 1,4-enynes, high site-selectivity among similar C(sp3 )-H bonds, and facile synthesis of enantioenriched medicinally relevant compounds make this approach very attractive.
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Affiliation(s)
- Lin Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Kai-Xin Guo
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yu Tian
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Chang-Jiang Yang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Qiang-Shuai Gu
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Zhong-Liang Li
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Liu Ye
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xin-Yuan Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
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39
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Campos JF, Cimorelli M, Jemili R, Berteina‐Raboin S. Microwave‐Assisted CH Activation of the Thiophene Ring: A Simple Approach to Access Substituted Thienopyridines. ChemistrySelect 2021. [DOI: 10.1002/slct.202101643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Joana F. Campos
- Institut de Chimie Organique et Analytique (ICOA) Université d'Orléans UMR-CNRS 7311, BP 6759 rue de Chartres 45067 Orléans cedex 2 France
| | - Mélanie Cimorelli
- Institut de Chimie Organique et Analytique (ICOA) Université d'Orléans UMR-CNRS 7311, BP 6759 rue de Chartres 45067 Orléans cedex 2 France
| | - Rihab Jemili
- Institut de Chimie Organique et Analytique (ICOA) Université d'Orléans UMR-CNRS 7311, BP 6759 rue de Chartres 45067 Orléans cedex 2 France
| | - Sabine Berteina‐Raboin
- Institut de Chimie Organique et Analytique (ICOA) Université d'Orléans UMR-CNRS 7311, BP 6759 rue de Chartres 45067 Orléans cedex 2 France
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40
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Wang F, Yu D, Chen Y, Sun J, Wang JY, Zhou MD. Cross-dehydrogenative Coupling of N-Aryl Tetrahydroisoquinolines Catalyzed by an Anthraquinone-containing Polymeric Photosensitizer. Chem Asian J 2021; 16:4087-4094. [PMID: 34668333 DOI: 10.1002/asia.202100978] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/19/2021] [Indexed: 11/09/2022]
Abstract
This work reports the photocatalytic application of an anthraquinone-containing polymeric photosensitizer (AQ-PHEMA) in the visible light-induced cross-dehydrogenative-coupling of N-aryl tetrahydroisoquinolines with several nucleophiles, including nitromethane, 1-methyl-2-alkyl ketone and dialkyl (aryl) phosphine oxide. The results revealed that the reaction could be catalyzed by AQ-PHEMA efficiently to afford a series of 1-substituted-2-aryl-1,2,3,4-tetrahydroisoquinolines in good to excellent yields with nice substrate tolerance under aerobic conditions at room temperature. The practical application potential was also showcased by a gram-scale synthesis. More importantly, the utilization of AQ-PHEMA as a heterogeneous photosensitizer also showed nice recyclability and reusability of the catalyst, whereas AQ-PHEMA can be easily separated and reused for at least 8 times without significant loss of photocatalytic activity.
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Affiliation(s)
- Fei Wang
- School of Petrochemical Engineering, Liaoning Petrochemical University, 113001, Dan Dong Road 1, Fushun, P. R. China
| | - Dan Yu
- School of Petrochemical Engineering, Liaoning Petrochemical University, 113001, Dan Dong Road 1, Fushun, P. R. China
| | - Yang Chen
- School of Petrochemical Engineering, Liaoning Petrochemical University, 113001, Dan Dong Road 1, Fushun, P. R. China
| | - Jing Sun
- School of Petrochemical Engineering, Liaoning Petrochemical University, 113001, Dan Dong Road 1, Fushun, P. R. China
| | - Jing-Yun Wang
- School of Petrochemical Engineering, Liaoning Petrochemical University, 113001, Dan Dong Road 1, Fushun, P. R. China
| | - Ming-Dong Zhou
- School of Petrochemical Engineering, Liaoning Petrochemical University, 113001, Dan Dong Road 1, Fushun, P. R. China
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41
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Ghosh D, Ghosh S, Hajra A. Electrochemical Functionalization of Imidazopyridine and Indazole: An Overview. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100981] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Debashis Ghosh
- Department of Chemistry St. Joseph's College (Autonomous) Bangalore 560027 Karnataka India
| | - Sumit Ghosh
- Department of Chemistry Visva-Bharati (A Central University) Santiniketan 731235 India
| | - Alakananda Hajra
- Department of Chemistry Visva-Bharati (A Central University) Santiniketan 731235 India
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42
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Qiao J, Song ZQ, Huang C, Ci RN, Liu Z, Chen B, Tung CH, Wu LZ. Direct, Site-Selective and Redox-Neutral α-C-H Bond Functionalization of Tetrahydrofurans via Quantum Dots Photocatalysis. Angew Chem Int Ed Engl 2021; 60:27201-27205. [PMID: 34536248 DOI: 10.1002/anie.202109849] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/16/2021] [Indexed: 11/06/2022]
Abstract
As one of the most ubiquitous bulk reagents available, the intrinsic chemical inertness of tetrahydrofuran (THF) makes direct and site-selective C(sp3 )-H bond activation difficult, especially under redox neutral condition. Here, we demonstrate that semiconductor quantum dots (QDs) can activate α-C-H bond of THF via forming QDs/THF conjugates. Under visible light irradiation, the resultant alkoxyalkyl radical directly engages in radical cross-coupling with α-amino radical from amino C-H bonds or radical addition with alkene or phenylacetylene, respectively. In contrast to stoichiometric oxidant or hydrogen atom transfer reagents required in previous studies, the scalable benchtop approach can execute α-C-H bond activation of THF only by a QD photocatalyst under redox-neutral condition, thus providing a broad of value added chemicals starting from bulk THFs reagent.
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Affiliation(s)
- Jia Qiao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zi-Qi Song
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Cheng Huang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Rui-Nan Ci
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zan Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Bin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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43
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Su Y, Dong K, Zheng H, Doyle MP. Generation of Diazomethyl Radicals by Hydrogen Atom Abstraction and Their Cycloaddition with Alkenes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105472] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yong‐Liang Su
- Department of Chemistry The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Kuiyong Dong
- Department of Chemistry The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Haifeng Zheng
- Department of Chemistry The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Michael P. Doyle
- Department of Chemistry The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
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44
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Dou Z, Zhang Z, Zhou H, Wang M. Photocatalytic Upgrading of Lignin Oil to Diesel Precursors and Hydrogen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105692] [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]
Affiliation(s)
- Zhaolin Dou
- Zhang Dayu School of Chemistry Dalian University of Technology Dalian 116024 Liaoning China
| | - Zhe Zhang
- Zhang Dayu School of Chemistry Dalian University of Technology Dalian 116024 Liaoning China
| | - Hongru Zhou
- Zhang Dayu School of Chemistry Dalian University of Technology Dalian 116024 Liaoning China
| | - Min Wang
- Zhang Dayu School of Chemistry Dalian University of Technology Dalian 116024 Liaoning China
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45
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Dou Z, Zhang Z, Zhou H, Wang M. Photocatalytic Upgrading of Lignin Oil to Diesel Precursors and Hydrogen. Angew Chem Int Ed Engl 2021; 60:16399-16403. [PMID: 33961338 DOI: 10.1002/anie.202105692] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Indexed: 02/03/2023]
Abstract
Producing renewable biofuels from biomass is a promising way to meet future energy demand. Here, we demonstrated a lignin to diesel route via dimerization of the lignin oil followed by hydrodeoxygenation. The lignin oil undergoes C-C bond dehydrogenative coupling over Au/CdS photocatalyst under visible light irradiation, co-generating diesel precursors and hydrogen. The Au nanoparticles loaded on CdS can effectively restrain the recombination of photogenerated electrons and holes, thus improving the efficiency of the dimerization reaction. About 2.4 mmol gcatal -1 h-1 dimers and 1.6 mmol gcatal -1 h-1 H2 were generated over Au/CdS, which is about 12 and 6.5 times over CdS, respectively. The diesel precursors are finally converted into C16-C18 cycloalkanes or aromatics via hydrodeoxygenation reaction using Pd/C or porous CoMoS catalyst, respectively. The conversion of pine sawdust to diesel was performed to demonstrate the feasibility of the lignin-to-diesel route.
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Affiliation(s)
- Zhaolin Dou
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, 116024, Liaoning, China
| | - Zhe Zhang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, 116024, Liaoning, China
| | - Hongru Zhou
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, 116024, Liaoning, China
| | - Min Wang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, 116024, Liaoning, China
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46
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Su YL, Dong K, Zheng H, Doyle MP. Generation of Diazomethyl Radicals by Hydrogen Atom Abstraction and Their Cycloaddition with Alkenes. Angew Chem Int Ed Engl 2021; 60:18484-18488. [PMID: 34043866 DOI: 10.1002/anie.202105472] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/23/2021] [Indexed: 12/16/2022]
Abstract
A general catalytic methodology for the synthesis of pyrazolines from α-diazo compounds and conjugated alkenes is reported. The direct hydrogen atom transfer (HAT) process of α-diazo compounds promoted by the tert-butylperoxy radical generates electrophilic diazomethyl radicals, thereby reversing the reactivity of the carbon atom attached with the diazo group. The regiocontrolled addition of diazomethyl radicals to carbon-carbon double bonds followed by intramolecular ring closure on the terminal diazo nitrogen and tautomerization affords a diverse set of pyrazolines in good yields with excellent regioselectivity. This strategy overcomes the limitations of electron-deficient alkenes in traditional dipolar [3+2]-cycloaddition of α-diazo compounds with alkenes. Furthermore, the straightforward formation of the diazomethyl radicals provides umpolung reactivity, thus opening new opportunities for the versatile transformations of diazo compounds.
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Affiliation(s)
- Yong-Liang Su
- Department of Chemistry, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA
| | - Kuiyong Dong
- Department of Chemistry, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA
| | - Haifeng Zheng
- Department of Chemistry, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA
| | - Michael P Doyle
- Department of Chemistry, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA
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47
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Mokhtar M, Alzhrani G, Aazam ES, Saleh TS, Al-Faifi S, Panja S, Maiti D. Synergistic Effect of NiLDH@YZ Hybrid and Mechanochemical Agitation on Glaser Homocoupling Reaction. Chemistry 2021; 27:8875-8885. [PMID: 33848016 DOI: 10.1002/chem.202100018] [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: 01/04/2021] [Indexed: 12/15/2022]
Abstract
Herein, we report the synthesis of nickel-layered double hydroxide amalgamated Y-zeolite (NiLDH@YZ) hybrids and the evaluation of the synergistic effect of various NiLDH@YZ catalysts and mechanochemical agitation on Glaser homocoupling reactions. Nitrogen adsorption-desorption experiments were carried out to estimate the surface area and porosity of NiLDH@YZ hybrids. The basicity and acidity of these hybrids were determined by CO2 -TPD and NH3 -TPD experiments respectively and this portrayed good acid-base bifunctional feature of the catalysts. The NiLDH@YZ-catalyzed mechanochemical Glaser coupling reaction achieved best yield of 83 % for the 0.5NiLDH@0.5YZ hybrid after 60 min of agitation, which revealed the highest acid-base bifunctional feature compared to all the investigated catalysts. The developed catalyst has proven itself as a robust and effective candidate that can successfully be employed up to four catalytic cycles without significant loss in catalytic activity, under optimized reaction conditions. This work demonstrated a new strategy for C-C bond formation enabled by the synergy between mechanochemistry and heterogeneous catalysis.
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Affiliation(s)
- Mohamed Mokhtar
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Ghalia Alzhrani
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Elham S Aazam
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Tamer S Saleh
- Chemistry Department, Faculty of Science, University of Jeddah, P.O. Box 80329, Jeddah, 21589, Saudi Arabia
| | - Sulaiman Al-Faifi
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Subir Panja
- Department of Chemistry, Indian Institute of Technology Bombay Powai, Mumbai, 400076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay Powai, Mumbai, 400076, India
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48
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Yang Z, Tan Q, Jiang Y, Yang J, Su X, Qiao Z, Zhou W, He L, Qiu H, Zhang M. Asymmetric Total Synthesis of Sarpagine and Koumine Alkaloids. Angew Chem Int Ed Engl 2021; 60:13105-13111. [PMID: 33783073 DOI: 10.1002/anie.202102416] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/24/2021] [Indexed: 12/23/2022]
Abstract
We report here a concise, collective, and asymmetric total synthesis of sarpagine alkaloids and biogenetically related koumine alkaloids, which structurally feature a rigid cage scaffold, with L-tryptophan as the starting material. Two key bridged skeleton-forming reactions, namely tandem sequential oxidative cyclopropanol ring-opening cyclization and ketone α-allenylation, ensure concurrent assembly of the caged sarpagine scaffold and installation of requisite derivative handles. With a common caged intermediate as the branch point, by taking advantage of ketone and allene groups therein, total synthesis of five sarpagine alkaloids (affinisine, normacusine B, trinervine, Na -methyl-16-epipericyclivine, and vellosimine) with various substituents and three koumine alkaloids (koumine, koumimine, and N-demethylkoumine) with more complex cage scaffolds has been accomplished.
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Affiliation(s)
- Zhao Yang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Qiuyuan Tan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Yan Jiang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Jiaojiao Yang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Xiaojiao Su
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Zhen Qiao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Wenqiang Zhou
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Ling He
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Hanyue Qiu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
| | - Min Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Centre, School of Pharmaceutical Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing, 401331, China
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49
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Yang Z, Tan Q, Jiang Y, Yang J, Su X, Qiao Z, Zhou W, He L, Qiu H, Zhang M. Asymmetric Total Synthesis of Sarpagine and Koumine Alkaloids. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Zhao Yang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Qiuyuan Tan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Yan Jiang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Jiaojiao Yang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Xiaojiao Su
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Zhen Qiao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Wenqiang Zhou
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Ling He
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Hanyue Qiu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
| | - Min Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research Innovative Drug Research Centre School of Pharmaceutical Sciences Chongqing University 55 Daxuecheng South Road, Shapingba Chongqing 401331 China
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50
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Tian MQ, Shen ZY, Zhao X, Walsh PJ, Hu XH. Iron-Catalyzed Tertiary Alkylation of Terminal Alkynes with 1,3-Diesters via a Functionalized Alkyl Radical. Angew Chem Int Ed Engl 2021; 60:9706-9711. [PMID: 33590589 DOI: 10.1002/anie.202100641] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/07/2021] [Indexed: 11/11/2022]
Abstract
Direct oxidative C(sp)-H/C(sp3 )-H cross-coupling offers an ideal and environmentally benign protocol for C(sp)-C(sp3 ) bond formations. As such, reactivity and site-selectivity with respect to C(sp3 )-H bond cleavage have remained a persistent challenge. Herein is reported a simple method for iron-catalyzed/silver-mediated tertiary alkylation of terminal alkynes with readily available and versatile 1,3-dicarbonyl compounds. The reaction is suitable for an array of substrates and proceeds in a highly selective manner even employing alkanes containing other tertiary, benzylic, and C(sp3 )-H bonds alpha to heteroatoms. Elaboration of the products enables the synthesis of a series of versatile building blocks. Control experiments implicate the in situ generation of a tertiary carbon-centered radical species.
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Affiliation(s)
- Ming-Qing Tian
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Zhen-Yao Shen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Xuefei Zhao
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Patrick J Walsh
- Roy and Diana Vagelos Laboratories, Penn/Merck Laboratory for High-Throughput Experimentation, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA, 19104, USA
| | - Xu-Hong Hu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
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