1
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Li M, Gao F, Xu S, Miao DY, Chen DP, Li SX, Qiu YF, Quan ZJ, Wang XC, Liang YM. Nickel-Catalyzed Narasaka-Heck Cyclization Carbonylation of Unsaturated Oxime Esters with Arylboronic Acids. Org Lett 2024; 26:7834-7840. [PMID: 39235769 DOI: 10.1021/acs.orglett.4c02647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
The Narasaka-Heck reaction is one of the most straightforward methods for constructing pyrroline derivatives. Herein, we report a novel nickel-catalyzed three-component carbonylation reaction, which cleverly realizes the continuous construction of C(sp3)-N bonds and C(sp3)-C(sp2) bonds and effectively promotes the synthesis of acyl-substituted pyrroline derivatives. Furthermore, this strategy not only expands the conversion pathway of γ,δ-unsaturated oxime esters but also provides a new method for the synthesis of nitrogen-containing heterocyclic compounds.
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Affiliation(s)
- Ming Li
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Fan Gao
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Shanmei Xu
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Dong-Yu Miao
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Dong-Ping Chen
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Shun-Xi Li
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Yi-Feng Qiu
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zheng-Jun Quan
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Xi-Cun Wang
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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2
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Arora R, Bajohr J, Lautens M. Rapid Assembly of Unsymmetrically Linked Bis-heterocycles via Palladium Domino Catalysis. Org Lett 2023; 25:9053-9057. [PMID: 38085822 DOI: 10.1021/acs.orglett.3c03825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
A palladium-catalyzed domino reaction of alkene-tethered oxime esters is reported. This transformation uses an air-stable palladium precatalyst that initiates a Narasaka-Heck reaction, that is interrupted with a Pd(II)-promoted cyclization. Through this methodology, a novel class of unsymmetrical alkyl-linked bis-heterocycles were synthesized in yields up to 99%. The reaction is scalable up to 1.0 mmol, with simplified purification steps. This transformation expands the scope of accessible bis-heterocycles available through Narasaka-Heck reactions beyond C-H activation and direct anionic capture termination steps.
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Affiliation(s)
- Ramon Arora
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
| | - Jonathan Bajohr
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
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3
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Wang R, Wang C. Asymmetric imino-acylation of alkenes enabled by HAT-photo/nickel cocatalysis. Chem Sci 2023; 14:6449-6456. [PMID: 37325152 PMCID: PMC10266448 DOI: 10.1039/d3sc01945d] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 05/19/2023] [Indexed: 06/17/2023] Open
Abstract
By merging nickel-mediated facially selective aza-Heck cyclization and radical acyl C-H activation promoted by tetrabutylammonium decatungstate (TBADT) as a hydrogen atom transfer (HAT) photocatalyst, we accomplish an asymmetric imino-acylation of oxime ester-tethered alkenes with readily available aldehydes as the acyl source, enabling the synthesis of highly enantioenriched pyrrolines bearing an acyl-substituted stereogenic center under mild conditions. Preliminary mechanistic studies support a Ni(i)/Ni(ii)/Ni(iii) catalytic sequence involving the intramolecular migratory insertion of a tethered olefinic unit into the Ni(iii)-N bond as the enantiodiscriminating step.
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Affiliation(s)
- Rui Wang
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 P. R. China
| | - Chuan Wang
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 P. R. China
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4
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Qi D, Zhang X, Wang X, Liu X, Zhang Z, Shi L, Zhang G. Nickel-Catalyzed Reductive Iminoarylation of Oxime Ester-Tethered Alkenes: Rapid Entrance to Diverse Functionalized Pyrrolines. Org Lett 2023; 25:1126-1130. [PMID: 36763011 DOI: 10.1021/acs.orglett.3c00088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Herein, we disclose a general and practical iminoarylation of alkenes by nickel-catalyzed reductive cross-coupling of unsaturated oxime esters with readily available aryl halides, providing an expedient approach for constructing pyrroline derivatives. The absence of organometallic reagents enables the reaction to occur under mild conditions with a broad substrate scope and good functional group tolerance. Moreover, other C-based electrophiles, including alkenyl, alkynyl and alkyl halides, or pseudohalides, were also competent substrates for this reaction.
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Affiliation(s)
- Di Qi
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University (HNU), Xinxiang, Henan 453007, China
| | - Xingjie Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University (HNU), Xinxiang, Henan 453007, China
| | - Xue Wang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University (HNU), Xinxiang, Henan 453007, China
| | - Xiaopan Liu
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University (HNU), Xinxiang, Henan 453007, China
| | - Zhiguo Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University (HNU), Xinxiang, Henan 453007, China
| | - Lei Shi
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University (HNU), Xinxiang, Henan 453007, China
| | - Guisheng Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University (HNU), Xinxiang, Henan 453007, China
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5
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Molnár Á. Recent Advances in the Synthesis of Five‐membered Nitrogen Heterocycles Induced by Palladium Ions and Complexes. ChemistrySelect 2023. [DOI: 10.1002/slct.202300153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Árpád Molnár
- Department of Organic Chemistry University of Szeged Dóm tér 8 6720 Szeged Hungary
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6
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Marchese AD, Durant AG, Reid CM, Jans C, Arora R, Lautens M. Pd(0)/Blue Light Promoted Carboiodination Reaction – Evidence for Reversible C–I Bond Formation via a Radical Pathway. J Am Chem Soc 2022; 144:20554-20560. [DOI: 10.1021/jacs.2c09716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Austin D. Marchese
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
| | - Andrew G. Durant
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
| | - Cian M. Reid
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
| | - Clara Jans
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
| | - Ramon Arora
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6
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7
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Yu H, Zhang Q, Zi W. Enantioselective Three‐Component Photochemical 1,4‐Bisalkylation of 1,3‐Butadiene with Pd/Cu Catalysis. Angew Chem Int Ed Engl 2022; 61:e202208411. [DOI: 10.1002/anie.202208411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Indexed: 12/26/2022]
Affiliation(s)
- Huimin Yu
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Qinglong Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
- Haihe Laboratory of Sustainable Chemical Transformations Tianjin 300071 China
| | - Weiwei Zi
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
- Haihe Laboratory of Sustainable Chemical Transformations Tianjin 300071 China
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8
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Maurya RK, Sharma D, Kumari S, Chatterjee R, Khatravath M, Dandela R. Recent Advances in Transition Metal‐Catalyzed Domino‐Cyclization Strategies for Functionalized Heterocyclic/Carbocyclic Compounds. ChemistrySelect 2022. [DOI: 10.1002/slct.202201408] [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)
- Rohit Kumar Maurya
- Rohit Kumar Maurya Suruchi Kumari Mahender Khatravath Department of Chemistry, Central university of South SH-7, Panchanpur Road Karhara Fatehpur Gaya Bihar 824236 India
| | - Deepika Sharma
- Deepika Sharma Rambabu Dandela Rana Chatterjee Department of Industrial and Engineering Chemistry Institute of Chemical Technology, Indian oil Odisha Campus, Kharagpur extension Centre Mouza, Samantpuri Bhubaneswar 751013 India
| | - Suruchi Kumari
- Rohit Kumar Maurya Suruchi Kumari Mahender Khatravath Department of Chemistry, Central university of South SH-7, Panchanpur Road Karhara Fatehpur Gaya Bihar 824236 India
| | - Rana Chatterjee
- Deepika Sharma Rambabu Dandela Rana Chatterjee Department of Industrial and Engineering Chemistry Institute of Chemical Technology, Indian oil Odisha Campus, Kharagpur extension Centre Mouza, Samantpuri Bhubaneswar 751013 India
| | - Mahender Khatravath
- Rohit Kumar Maurya Suruchi Kumari Mahender Khatravath Department of Chemistry, Central university of South SH-7, Panchanpur Road Karhara Fatehpur Gaya Bihar 824236 India
| | - Rambabu Dandela
- Deepika Sharma Rambabu Dandela Rana Chatterjee Department of Industrial and Engineering Chemistry Institute of Chemical Technology, Indian oil Odisha Campus, Kharagpur extension Centre Mouza, Samantpuri Bhubaneswar 751013 India
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9
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Yu H, Zhang Q, Zi W. Enantioselective Three‐Component Photochemical 1,4‐Bisalkylation of 1,3‐Butadiene with Pd/Cu Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Huimin Yu
- Nankai University College of Chemistry State Key Laboratory and Institute of Elemento-Organic Chemistry CHINA
| | - Qinglong Zhang
- Nankai University College of Chemistry State Key Laboratory and Institute of Elemento-Organic Chemistry CHINA
| | - Weiwei Zi
- State Key Laboratory and Institute of Elemento-Organic Chemistry Chemistry Department of Nankai University 94 Weijin Rd. 300071 Tianjin CHINA
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10
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Zhao G, Mukherjee U, Zhou L, Wu Y, Yao W, Mauro JN, Liu P, Ngai MY. C2-ketonylation of carbohydrates via excited-state palladium-catalyzed 1,2-spin-center shift. Chem Sci 2022; 13:6276-6282. [PMID: 35733909 PMCID: PMC9159084 DOI: 10.1039/d2sc01042a] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 05/01/2022] [Indexed: 11/21/2022] Open
Abstract
C2-ketonyl-2-deoxysugars, sugars with the C2-hydroxyl group replaced by a ketone side chain, are important carbohydrate mimetics in glycobiology and drug discovery studies; however, their preparation remains a vital challenge in organic synthesis. Here we report the first direct strategy to synthesize this class of glycomimetics from readily available 1-bromosugars and silyl enol ethers via an excited-state palladium-catalyzed 1,2-spin-center shift (SCS) process. This step-economic reaction features broad substrate scope, has a high functional group tolerance, and can be used in late-stage functionalization of natural product- and drug-glycoconjugates. Preliminary experimental and computational mechanistic studies suggested a non-chain radical mechanism involving photoexcited palladium species, a 1,2-SCS process, and a radical Mizoroki-Heck reaction.
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Affiliation(s)
- Gaoyuan Zhao
- Department of Chemistry, Institute of Chemical Biology and Drug Discovery, The State University of New York at Stony Brook Stony Brook New York 11794 USA
| | - Upasana Mukherjee
- Department of Chemistry, Institute of Chemical Biology and Drug Discovery, The State University of New York at Stony Brook Stony Brook New York 11794 USA
| | - Lin Zhou
- Department of Chemistry, Department of Chemical and Petroleum Engineering, University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Yue Wu
- Department of Chemistry, Department of Chemical and Petroleum Engineering, University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Wang Yao
- Department of Chemistry, Institute of Chemical Biology and Drug Discovery, The State University of New York at Stony Brook Stony Brook New York 11794 USA
| | - Jaclyn N Mauro
- Department of Chemistry, Institute of Chemical Biology and Drug Discovery, The State University of New York at Stony Brook Stony Brook New York 11794 USA
| | - Peng Liu
- Department of Chemistry, Department of Chemical and Petroleum Engineering, University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Ming-Yu Ngai
- Department of Chemistry, Institute of Chemical Biology and Drug Discovery, The State University of New York at Stony Brook Stony Brook New York 11794 USA
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11
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Wei WX, Kong X, Jiao RQ, Li XS, Wang CT, Li Y, Liang YM. Regioselective synthesis of spirocyclic pyrrolines via a palladium-catalyzed Narasaka-Heck/C-H activation/[4 + 2] annulation cascade reaction. Chem Sci 2022; 13:6348-6354. [PMID: 35733897 PMCID: PMC9159093 DOI: 10.1039/d2sc01887j] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/05/2022] [Indexed: 11/21/2022] Open
Abstract
A novel palladium-catalyzed spirocyclization through sequential Narasaka-Heck cyclization, C-H activation and [4 + 2] annulation has been developed. In this reaction, cheap and readily available 2-chlorobenzoic acid or ethyl phenylpropiolate was employed as the C2 insertion unit to react with γ,δ-unsaturated oxime ester. The key step in this transformation is the regioselective insertion of the C2 synthon into the spiro-palladacycle intermediate that is formed by the δ-C-H activation process, thereby efficiently assembling a series of spirocyclic pyrrolines with high regiocontrol. Furthermore, density functional theory (DFT) calculations and control experiments were performed to gain some insights into the reaction mechanism.
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Affiliation(s)
- Wan-Xu Wei
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University Lanzhou 730000 P. R. China
| | - Xiangtao Kong
- Henan Key Laboratory of New Optoelectronic Functional Materials, College of Chemistry and Chemical Engineering, Anyang Normal University Anyang 455000 P. R. China
| | - Rui-Qiang Jiao
- 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
| | - Cui-Tian Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University Lanzhou 730000 P. R. China
| | - Yuke Li
- Department of Chemistry, Centre for Scientific Modeling and Computation, Chinese University of Hong Kong Shatin Hong Kong P. R. China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University Lanzhou 730000 P. R. China
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12
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Firouzeh E, Kazemi F, Gholinejad M, Kaboudin B. Visible Photosensitized Sonogashira-Hagihara Coupling through in Situ Prepared Palladium Catalyst in N,N-Dimethylformamide under Copper and Amine-Free Additives. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Prusinowski AF, Sise HC, Bednar TN, Nagib DA. Radical Aza-Heck Cyclization of Imidates via Energy Transfer, Electron Transfer, and Cobalt Catalysis. ACS Catal 2022; 12:4327-4332. [PMID: 35479099 PMCID: PMC9038135 DOI: 10.1021/acscatal.2c00804] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A radical aza-Heck cyclization has been developed to afford functionally rich products with four contiguous C-heteroatom bonds. This multi-catalytic strategy provides rapid syntheses of dense, medicinally relevant motifs by enabling the conversion of alcohol-derived imidates to heteroatom-rich fragments containing vinyl oxazolines/oxazoles, allyl amines, β-amino alcohols/halides, and combinations thereof. Mechanistic insights of this process show how three distinct photocatalytic cycles cooperate to enable: (1) imidate radical generation by energy transfer, (2) dehydrogenation by Co catalysis, and (3) catalyst turnover by electron transfer.
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Affiliation(s)
- Allen F. Prusinowski
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Henry C. Sise
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Taylor N. Bednar
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - David A. Nagib
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
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14
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Yao W, Zhao G, Wu Y, Zhou L, Mukherjee U, Liu P, Ngai MY. Excited-State Palladium-Catalyzed Radical Migratory Mizoroki-Heck Reaction Enables C2-Alkenylation of Carbohydrates. J Am Chem Soc 2022; 144:3353-3359. [PMID: 35188768 PMCID: PMC8970705 DOI: 10.1021/jacs.1c13299] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Excited-state palladium catalysis has emerged as a promising strategy for developing novel and valuable reactions. Herein, we report the first excited-state Pd-catalyzed 1,2-radical migratory Mizoroki-Heck reaction that enables C2-alkenylation of carbohydrates using readily available 1-bromosugars and alkenes. The reaction tolerates a wide variety of functional groups and complex molecular architectures, including derivatives of natural products and marketed drugs. Preliminary mechanistic studies and DFT calculations suggest the involvement of visible-light-induced photoexcitation of Pd species, 1,2-spin-centered-shift (SCS) process, and Heck-type cross-coupling reaction. The reaction expands the reactivity profile of excited-state Pd catalysis and provides a streamlined protocol for the preparation of a wide variety of C2-alkenylated carbohydrate mimetics to aid the discovery and development of new therapeutics, agrochemicals, and materials.
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Affiliation(s)
- Wang Yao
- Department of Chemistry, State University of New York, Stony Brook, New York, 11794, United States
| | - Gaoyuan Zhao
- Department of Chemistry, State University of New York, Stony Brook, New York, 11794, United States
| | - Yue Wu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Lin Zhou
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Upasana Mukherjee
- Department of Chemistry, State University of New York, Stony Brook, New York, 11794, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States;,Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Ming-Yu Ngai
- Department of Chemistry, State University of New York, Stony Brook, New York, 11794, United States;,Institute of Chemical Biology and Drug Discovery, State University of New York, Stony Brook, New York 11794, United States
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15
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Chen S, Van Meervelt L, Van der Eycken EV, Sharma UK. Visible-Light-Driven Palladium-Catalyzed Radical Tandem Dearomatization of Indoles with Unactivated Alkenes. Org Lett 2022; 24:1213-1218. [PMID: 35107015 DOI: 10.1021/acs.orglett.1c04390] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A mild visible-light-driven palladium-catalyzed radical tandem dearomatization of indoles with unactivated alkenes is described with moderate to good yields and good to excellent diastereoselectivities. Under visible-light irradiation, the photoexcited state of the palladium complex was formed, which could transfer a single electron to N-(2-bromobenzoyl)indoles, leading to a hybrid palladium radical chemistry. This provides efficient and atom-economical access to diverse 2,3-disubstituted indoline derivatives.
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Affiliation(s)
- Su Chen
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Luc Van Meervelt
- Biomolecular Architecture, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium.,People's Friendship University of Russia (RUDN University), Miklukho-Maklaya Street 6, RU-117198 Moscow, Russia
| | - Upendra K Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
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16
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Abstract
In recent years, visible light-induced transition metal catalysis has emerged as a new paradigm in organic photocatalysis, which has led to the discovery of unprecedented transformations as well as the improvement of known reactions. In this subfield of photocatalysis, a transition metal complex serves a double duty by harvesting photon energy and then enabling bond forming/breaking events mostly via a single catalytic cycle, thus contrasting the established dual photocatalysis in which an exogenous photosensitizer is employed. In addition, this approach often synergistically combines catalyst-substrate interaction with photoinduced process, a feature that is uncommon in conventional photoredox chemistry. This Review describes the early development and recent advances of this emerging field.
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Affiliation(s)
- Kelvin Pak Shing Cheung
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas 75080, United States
| | - Sumon Sarkar
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas 75080, United States
| | - Vladimir Gevorgyan
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas 75080, United States
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17
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Renzi P, Azzi E, Bessone E, Ghigo G, Parisotto S, Pellegrino F, Deagostino A. Blue light enhanced Heck arylation at room temperature applied to allenes. Org Chem Front 2022. [DOI: 10.1039/d1qo01631h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A blue light enhanced synthesis of 2-vinyl pirrolidines and piperidines through a domino Heck arylation–cyclisation applied to allenyl amines is described. Essential is the role of the light in the aryl migration in the carbo-palladation step.
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Affiliation(s)
- Polyssena Renzi
- Department of Chemistry, University of Torino, Via Pietro Giuria, 7, 10125 Torino, Italy
| | - Emanuele Azzi
- Department of Chemistry, University of Torino, Via Pietro Giuria, 7, 10125 Torino, Italy
| | - Enrico Bessone
- Department of Chemistry, University of Torino, Via Pietro Giuria, 7, 10125 Torino, Italy
| | - Giovanni Ghigo
- Department of Chemistry, University of Torino, Via Pietro Giuria, 7, 10125 Torino, Italy
| | - Stefano Parisotto
- Department of Chemistry, University of Torino, Via Pietro Giuria, 7, 10125 Torino, Italy
| | - Francesco Pellegrino
- Department of Chemistry, University of Torino, Via Pietro Giuria, 7, 10125 Torino, Italy
| | - Annamaria Deagostino
- Department of Chemistry, University of Torino, Via Pietro Giuria, 7, 10125 Torino, Italy
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18
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Wan JL, Cui JF, Zhong WQ, Huang JM. Iminyl-radicals by electrochemical decarboxylation of α-imino-oxy acids: construction of indole-fused polycyclics. Chem Commun (Camb) 2021; 57:10242-10245. [PMID: 34528040 DOI: 10.1039/d1cc03891e] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Iminyl radicals are reactive intermediates that can be used for the construction of various valuable heterocycles. Herein, the electrochemical decarboxylation of α-imino-oxy acids for the generation of iminyl radicals has been accomplished under exogenous-oxidant- and metal-free conditions through the use of nBu4NBr as a mediator. The resulting iminyl radicals undergo intramolecular cyclization smoothly with the adjacent (hetero)arenes to afford a series of indole-fused polycyclic compounds.
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Affiliation(s)
- Jin-Lin Wan
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China.
| | - Jian-Feng Cui
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China.
| | - Wei-Qiang Zhong
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China.
| | - Jing-Mei Huang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China.
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19
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Chen B, He H, Xu J, Guo K, Xu N, Chen K, Zhu Y. Transition‐Metal‐Free Visible Light‐Induced Imino‐trifluoromethylation of Unsaturated Oxime Esters: A Facile Access to CF
3
‐Tethered Pyrrolines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Bin Chen
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Han He
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Jiawei Xu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Kang Guo
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Ning Xu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Kang Chen
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Yingguang Zhu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
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20
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Gao RD, Shuler SA, Watson DA. Tandem aza-Heck Suzuki and carbonylation reactions of O-phenyl hydroxamic ethers: complex lactams via carboamination. Chem Sci 2021; 12:8859-8864. [PMID: 34257886 PMCID: PMC8246078 DOI: 10.1039/d1sc02075g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 05/27/2021] [Indexed: 12/19/2022] Open
Abstract
The palladium-catalysed tandem aza-Heck-Suzuki and aza-Heck-carbonylation reactions of O-phenyl hydroxamic ethers are reported. These formal alkene carboamination reactions provide highly versatile access to wide range complex, stereogenic secondary lactams and exhibit outstanding functional group tolerance and high diastereoselectivity.
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Affiliation(s)
- Run-Duo Gao
- Department of Chemistry and Biochemistry, University of Delaware Newark DE 19716 USA
| | - Scott A Shuler
- Department of Chemistry and Biochemistry, University of Delaware Newark DE 19716 USA
| | - Donald A Watson
- Department of Chemistry and Biochemistry, University of Delaware Newark DE 19716 USA
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21
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Qi XK, Guo L, Yao LJ, Gao H, Yang C, Xia W. Multicomponent Synthesis of α-Branched Tertiary and Secondary Amines by Photocatalytic Hydrogen Atom Transfer Strategy. Org Lett 2021; 23:4473-4477. [PMID: 34028283 DOI: 10.1021/acs.orglett.1c01412] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A multicomponent carbonyl alkylative amination reaction is described. A variety of N-arylamines, aldehydes, and hydrocarbons have been examined as reaction substrates using tetrabutylammonium decatungstate as photocatalyst, providing the corresponding α-branched tertiary and secondary amines in good to moderate yields. The reaction proceeds through the generation of alkyl radicals by a light-promoted hydrogen atom transfer process followed by free radical addition to iminium ions generated in situ.
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Affiliation(s)
- Xu-Kuan Qi
- State Key Lab of Urban Water Resource and Environment, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Lin Guo
- State Key Lab of Urban Water Resource and Environment, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Li-Juan Yao
- State Key Lab of Urban Water Resource and Environment, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Han Gao
- State Key Lab of Urban Water Resource and Environment, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Chao Yang
- State Key Lab of Urban Water Resource and Environment, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Wujiong Xia
- State Key Lab of Urban Water Resource and Environment, School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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22
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Wei WX, Li Y, Wen YT, Li M, Li XS, Wang CT, Liu HC, Xia Y, Zhang BS, Jiao RQ, Liang YM. Experimental and Computational Studies of Palladium-Catalyzed Spirocyclization via a Narasaka-Heck/C(sp 3 or sp 2)-H Activation Cascade Reaction. J Am Chem Soc 2021; 143:7868-7875. [PMID: 33974798 DOI: 10.1021/jacs.1c04114] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The first synthesis of highly strained spirocyclobutane-pyrrolines via a palladium-catalyzed tandem Narasaka-Heck/C(sp3 or sp2)-H activation reaction is reported here. The key step in this transformation is the activation of a δ-C-H bond via an in situ generated σ-alkyl-Pd(II) species to form a five-membered spiro-palladacycle intermediate. The concerted metalation-deprotonation (CMD) process, rate-determining step, and energy barrier of the entire reaction were explored by density functional theory (DFT) calculations. Moreover, a series of control experiments was conducted to probe the rate-determining step and reversibility of the C(sp3)-H activation step.
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Affiliation(s)
- Wan-Xu Wei
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Yuke Li
- Department of Chemistry and Centre for Scientific Modeling and Computation, Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Ya-Ting Wen
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Ming Li
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Xue-Song Li
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Cui-Tian Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Hong-Chao Liu
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Yu Xia
- Urumqi Key Laboratory of Green Catalysis and Synthesis Technology, College of Chemistry, Xinjiang University, Urumqi 830046, P.R. China
| | - Bo-Sheng Zhang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P.R. China
| | - Rui-Qiang Jiao
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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23
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Shen X, Huang C, Yuan X, Yu S. Diastereoselective and Stereodivergent Synthesis of 2‐Cinnamylpyrrolines Enabled by Photoredox‐Catalyzed Iminoalkenylation of Alkenes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016941] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Xu Shen
- State Key Laboratory of Analytical Chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Congcong Huang
- School of chemistry and chemical engineering Qufu Normal University Qufu 273165 China
| | - Xiang‐Ai Yuan
- School of chemistry and chemical engineering Qufu Normal University Qufu 273165 China
| | - Shouyun Yu
- State Key Laboratory of Analytical Chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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24
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Shen X, Huang C, Yuan X, Yu S. Diastereoselective and Stereodivergent Synthesis of 2‐Cinnamylpyrrolines Enabled by Photoredox‐Catalyzed Iminoalkenylation of Alkenes. Angew Chem Int Ed Engl 2021; 60:9672-9679. [DOI: 10.1002/anie.202016941] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/24/2021] [Indexed: 12/13/2022]
Affiliation(s)
- Xu Shen
- State Key Laboratory of Analytical Chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Congcong Huang
- School of chemistry and chemical engineering Qufu Normal University Qufu 273165 China
| | - Xiang‐Ai Yuan
- School of chemistry and chemical engineering Qufu Normal University Qufu 273165 China
| | - Shouyun Yu
- State Key Laboratory of Analytical Chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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25
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Zhang M, Zhang Z, He Y, Zou T, Qi Z, Fu Q, Wei J, Lu J, Wei S, Yi D. Photocatalytic Deoxygenative Carboimination towards Functionalized Pyrrolines by Using Unstrained
γ
,
δ
‐Unsaturated Oximes. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100038] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Min Zhang
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Zhijie Zhang
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Yangsen He
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Ting Zou
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Zhongyu Qi
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Qiang Fu
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Jun Wei
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Ji Lu
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Siping Wei
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
| | - Dong Yi
- Department of Medicinal Chemistry School of Pharmacy Southwest Medical University Luzhou 646000 People's Republic of China
- Department of Pharmacy Affiliated Hospital Southwest Medical University Luzhou 646000 People's Republic of China
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26
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Cheng Y, Yu S, He Y, An G, Li G, Yang Z. C4-arylation and domino C4-arylation/3,2-carbonyl migration of indoles by tuning Pd catalytic modes: Pd(i)-Pd(ii) catalysis vs. Pd(ii) catalysis. Chem Sci 2021; 12:3216-3225. [PMID: 34164090 PMCID: PMC8179361 DOI: 10.1039/d0sc05409g] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 01/07/2021] [Indexed: 12/14/2022] Open
Abstract
Efficient C4-arylation and domino C4-arylation/3,2-carbonyl migration of indoles have been developed. The former route enables C4-arylation in a highly efficient and mild manner and the latter route provides an alternative straightforward protocol for synthesis of C2/C4 disubstituted indoles. The mechanism studies imply that the different reaction pathways were tuned by the distinct acid additives, which led to either the Pd(i)-Pd(ii) pathway or Pd(ii) catalysis.
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Affiliation(s)
- Yaohang Cheng
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), School of Chemistry and Materials Science, Heilongjiang University No. 74, Xuefu Road, Nangang District Harbin 150080 People's Republic of China
| | - Shijie Yu
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), School of Chemistry and Materials Science, Heilongjiang University No. 74, Xuefu Road, Nangang District Harbin 150080 People's Republic of China
| | - Yuhang He
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), School of Chemistry and Materials Science, Heilongjiang University No. 74, Xuefu Road, Nangang District Harbin 150080 People's Republic of China
| | - Guanghui An
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), School of Chemistry and Materials Science, Heilongjiang University No. 74, Xuefu Road, Nangang District Harbin 150080 People's Republic of China
| | - Guangming Li
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), School of Chemistry and Materials Science, Heilongjiang University No. 74, Xuefu Road, Nangang District Harbin 150080 People's Republic of China
| | - Zhenyu Yang
- School of Pharmaceutical and Materials Engineering, Taizhou University 1139 Shifu Avenue Taizhou 318000 China
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27
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Zhang X, Qi D, Jiao C, Zhang Z, Liu X, Zhang G. Ni-Catalyzed direct iminoalkynylation of unactivated olefins with terminal alkynes: facile access to alkyne-labelled pyrrolines. Org Chem Front 2021. [DOI: 10.1039/d1qo01217g] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The first example of iminoalkynylation of unactivated olefins with terminal alkynes was achieved by a nickel-catalyzed iminyl-radical cyclization/Sonogashira-type coupling sequence.
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Affiliation(s)
- Xingjie Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, China
| | - Di Qi
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, China
| | - Chenchen Jiao
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, China
| | - Zhiguo Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, China
| | - Xiaopan Liu
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, China
| | - Guisheng Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, China
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28
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Makarov AS, Fadeev AA, Uchuskin MG. Intramolecular iron-catalyzed transannulation of furans with O-acetyl oximes: synthesis of functionalized pyrroles. Org Chem Front 2021. [DOI: 10.1039/d1qo01281a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Intramolecular iron(iii)-catalyzed reaction of furyl-tethered O-acetyl oximes yields substituted pyrroles through electrophilic 5-exo-trig ipso-addition of nitrogen to the furan ring.
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Affiliation(s)
- Anton S. Makarov
- Department of Chemistry, Perm State University, Bukireva 15, Perm, 614990, Russia
| | - Alexander A. Fadeev
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 8, Prague 2, 12800, Czech Republic
| | - Maxim G. Uchuskin
- Department of Chemistry, Perm State University, Bukireva 15, Perm, 614990, Russia
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29
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Abstract
![]()
A visible
light induced palladium-catalyzed fluoroalkylation method
was developed. The Heck-type alkyl coupling reaction enables the introduction
of trifluoroethyl, difluoroethyl and other fluoroalkyl fragment into
styrenes under mild reaction conditions without the use of additional
photosensitizers and ensures access to fluoroalkylated olefins on
a broad scale.
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Affiliation(s)
- Réka Adamik
- ELTE "Lendület" Catalysis and Organic Synthesis Research Group, Institute of Chemistry, Eötvös Loránd University, Faculty of ́ Science, Pázmány Péter stny. 1/A, H-1117 Budapest, Hungary
| | - Tamás Földesi
- ELTE "Lendület" Catalysis and Organic Synthesis Research Group, Institute of Chemistry, Eötvös Loránd University, Faculty of ́ Science, Pázmány Péter stny. 1/A, H-1117 Budapest, Hungary
| | - Zoltán Novák
- ELTE "Lendület" Catalysis and Organic Synthesis Research Group, Institute of Chemistry, Eötvös Loránd University, Faculty of ́ Science, Pázmány Péter stny. 1/A, H-1117 Budapest, Hungary
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30
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Chen C, Zhao J, Shi X, Liu L, Zhu YP, Sun W, Zhu B. Recent advances in cyclization reactions of unsaturated oxime esters (ethers): synthesis of versatile functionalized nitrogen-containing scaffolds. Org Chem Front 2020. [DOI: 10.1039/d0qo00397b] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We summarized recent advances in cyclization reactions of unsaturated oxime esters (ethers), which provide diversiform functionalized nitrogen-containing scaffolds.
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Affiliation(s)
- Chen Chen
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- P. R. China
| | - Jinghui Zhao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- P. R. China
| | - Xiaonan Shi
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- P. R. China
| | - Liying Liu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- P. R. China
| | - Yan-Ping Zhu
- School of Pharmacy
- Key Laboratory of Molecular Pharmacology and Drug Evaluation
- Ministry of Education
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong
- Yantai University
| | - Wan Sun
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- P. R. China
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- P. R. China
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