1
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La-Ongthong K, Chantarojsiri T, Soorukram D, Leowanawat P, Reutrakul V, Kuhakarn C. Electro-oxidative Methylation of 2-Isocyanobiaryls Using N,N-dimethylformamide (DMF) as Carbon Source: Synthesis of 6-Methylphenanthridines. Chem Asian J 2024; 19:e202400176. [PMID: 38489229 DOI: 10.1002/asia.202400176] [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: 02/19/2024] [Revised: 03/14/2024] [Accepted: 03/14/2024] [Indexed: 03/17/2024]
Abstract
A benign electrochemical method to access 6-methylphenanthridines from 2-isocyanobiaryls using N,N-dimethylformamide (DMF) as a methyl source is reported. The protocol operates at ambient temperature without the need for harmful methylating reagents. Mechanistic studies suggested that DMF delivered a methylene synthon, followed by reduction at the cathode and tautomerization. The method offers environmental benefits by avoiding metal-based reagents and harsh conditions.
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Affiliation(s)
- Kannika La-Ongthong
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
| | - Teera Chantarojsiri
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
| | - Darunee Soorukram
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
| | - Pawaret Leowanawat
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
| | - Vichai Reutrakul
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
| | - Chutima Kuhakarn
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand
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2
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Yan Q, Yuan QJ, Shatskiy A, Alvey GR, Stepanova EV, Liu JQ, Kärkäs MD, Wang XS. General Approach to Amides through Decarboxylative Radical Cross-Coupling of Carboxylic Acids and Isocyanides. Org Lett 2024; 26:3380-3385. [PMID: 38607963 PMCID: PMC11059110 DOI: 10.1021/acs.orglett.4c00872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 03/26/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024]
Abstract
Herein, we report a silver-catalyzed protocol for decarboxylative cross-coupling between carboxylic acids and isocyanides, leading to linear amide products through a free-radical mechanism. The disclosed approach provides a general entry to a variety of decorated amides, accommodating a diverse array of radical precursors, including aryl, heteroaryl, alkynyl, alkenyl, and alkyl carboxylic acids. Notably, the protocol proved to be efficient for decarboxylative late-stage functionalization of several elaborate pharmaceuticals, demonstrating its potential applications.
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Affiliation(s)
- Qing Yan
- School
of Chemistry and Materials Science, Jiangsu
Key Laboratory of Green Synthesis for Functional Materials, Jiangsu
Normal University, Xuzhou, Jiangsu 221116, China
| | - Qing-Jia Yuan
- School
of Chemistry and Materials Science, Jiangsu
Key Laboratory of Green Synthesis for Functional Materials, Jiangsu
Normal University, Xuzhou, Jiangsu 221116, China
| | - Andrey Shatskiy
- Department
of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Gregory R. Alvey
- Department
of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Elena V. Stepanova
- Department
of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
- Research
School of Chemistry & Applied Biomedical Sciences, Tomsk Polytechnic University, Lenin Avenue 30, 634050 Tomsk, Russia
| | - Jian-Quan Liu
- School
of Chemistry and Materials Science, Jiangsu
Key Laboratory of Green Synthesis for Functional Materials, Jiangsu
Normal University, Xuzhou, Jiangsu 221116, China
| | - Markus D. Kärkäs
- Department
of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Xiang-Shan Wang
- School
of Chemistry and Materials Science, Jiangsu
Key Laboratory of Green Synthesis for Functional Materials, Jiangsu
Normal University, Xuzhou, Jiangsu 221116, China
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3
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Doraghi F, Amini A, Ghanbarlou M, Larijani B, Mahdavi M. Metal-free 2-isocyanobiaryl-based cyclization reactions: phenanthridine framework synthesis. Mol Divers 2024; 28:419-435. [PMID: 37847467 DOI: 10.1007/s11030-023-10743-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 10/05/2023] [Indexed: 10/18/2023]
Abstract
The development of transition metal-free 2-isocyanobiaryl-based reactions has received much attention due to the widespread presence of phenanthidine frameworks as products in pharmacological chemistry and materials science. This review article focuses on the achievements from 2013 until now in various metal-free catalyzed reactions and discusses challenging mechanisms and features of the transformations.
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Affiliation(s)
- Fatemeh Doraghi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Amini
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Ghanbarlou
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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4
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Liu T, Zhou Y, Tang J, Wang C. Recent advancements in iodide/phosphine-mediated photoredox radical reactions. Beilstein J Org Chem 2023; 19:1785-1803. [PMID: 38033449 PMCID: PMC10682514 DOI: 10.3762/bjoc.19.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 11/10/2023] [Indexed: 12/02/2023] Open
Abstract
Photoredox catalysis plays a crucial role in contemporary synthetic organic chemistry. Since the groundbreaking work of Shang and Fu on photocatalytic decarboxylative alkylations in 2019, a wide range of organic transformations, such as alkylation, alkenylation, cyclization, amination, iodination, and monofluoromethylation, have been progressively achieved using a combination of iodide and PPh3. In this review, we primarily focus on summarizing the recent advancements in inexpensive and readily available iodide/phosphine-mediated photoredox radical transformations.
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Affiliation(s)
- Tinglan Liu
- Department of Chemistry, Jinan University, Guangzhou 511443, P. R. China
| | - Yu Zhou
- UNITEST, Weifang 261000, P. R. China
| | - Junhong Tang
- Department of Chemistry, Jinan University, Guangzhou 511443, P. R. China
| | - Chengming Wang
- Department of Chemistry, Jinan University, Guangzhou 511443, P. R. China
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5
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Chen YZ, Chen YM, Hu Y, Qu JP, Kang YB. Transalkylation via C-N Bond Cleavage of Amines Catalyzed by Super Organophotoreductant CBZ6. Org Lett 2023; 25:7518-7522. [PMID: 37797085 DOI: 10.1021/acs.orglett.3c02827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
The super organoreductant CBZ6-catalyzed tandem transalkylation-cyclization using amines as traceless radical donors and stabilizer is reported. The later-stage breaking of an N-C bond enables the transalkylation with a secondary amine as the leaving moiety. A wide range of tertiary amines were used as alkyl radical donors for the C1-C8 alkyls. This traceless stabilizer also enabled the transalkylation with methyl radical, which is normally not possible because of the instability of methyl radical.
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Affiliation(s)
- Yong-Ze Chen
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yi-Ming Chen
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yuan Hu
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jian-Ping Qu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yan-Biao Kang
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
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6
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Liu Y, Sui JL, Yu WQ, Xiong BQ, Tang KW, Zhong LJ. Visible-Light-Promoted Decarboxylative Alkylation/Cyclization of Vinylcycloalkanes. J Org Chem 2023. [PMID: 37339016 DOI: 10.1021/acs.joc.3c00486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
Abstract
An efficient strategy for visible-light-promoted decarboxylative alkylation of vinylcyclopropanes with alkyl N-(acyloxy)phthalimide esters through the dual C-C bond and single N-O bond cleavage, employing triphenylphosphine and lithium iodide as the photoredox system to synthesize 2-alkylated 3,4-dihydronaphthalenes, has been established. This alkylation/cyclization involves a radical process and undergoes a sequence of N-(acyloxy)phthalimide ester single-electron reduction, N-O bond cleavage, decarboxylative, alkyl radical addition, C-C bond cleavage, and intramolecular cyclization. Moreover, using the photocatalyst Na2-Eosin Y instead of triphenylphosphine and lithium iodide, the vinyl transfer products are acquired when vinylcyclobutanes or vinylcyclopentanes are utilized as alkyl radical receptors.
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Affiliation(s)
- Yu Liu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Jia-Li Sui
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Wen-Qin Yu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Bi-Quan Xiong
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Ke-Wen Tang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Long-Jin Zhong
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
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7
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Panda SP, Hota SK, Dash R, Roy L, Murarka S. Photodecarboxylative C-H Alkylation of Azauracils with N-(Acyloxy)phthalimides. Org Lett 2023; 25:3739-3744. [PMID: 37184284 DOI: 10.1021/acs.orglett.3c01210] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
We disclose a transition-metal-free NaI/PPh3-mediated direct C-H alkylation of azauracils using N-(acyloxy)pthalimides (NHPIs) as readily available alkyl surrogates under visible light irradiation. Detailed mechanistic studies reveal formation of a photoactivated electron donor-acceptor (EDA) complex between NaI/PPh3, TMEDA, and alkyl NHPI ester and establish the crucial role of TMEDA in increasing the activity of the photoredox system. The reaction demonstrates a broad scope, scalability, and appreciable functional group tolerance. A variety of azauracils are shown to undergo alkylation by primary, secondary, and tertiary NHPI esters under mild conditions, furnishing the desired products in good to excellent yields.
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Affiliation(s)
- Satya Prakash Panda
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Rajasthan 342037, India
| | - Sudhir Kumar Hota
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Rajasthan 342037, India
| | - Rupashri Dash
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Rajasthan 342037, India
| | - Lisa Roy
- Institute of Chemical Technology Mumbai, IOC Odisha Campus Bhubaneswar, Bhubaneswar, Odisha 751013, India
| | - Sandip Murarka
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Rajasthan 342037, India
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8
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La-Ongthong K, Chantarojsiri T, Soorukram D, Leowanawat P, Reutrakul V, Kuhakarn C. Electrochemical trifluoromethylation of 2-isocyanobiaryls using CF 3SO 2Na: synthesis of 6-(trifluoromethyl)phenanthridines. Org Biomol Chem 2023; 21:4225-4236. [PMID: 36880879 DOI: 10.1039/d3ob00239j] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
An efficient trifluoromethylation of 2-isocyanobiaryls was developed through the constant current electrolysis, employing sodium trifluoromethanesulfinate (CF3SO2Na) as the trifluoromethyl source. The method enabled the syntheses of a series of 6-(trifluoromethyl)phenanthridine derivatives in moderate to high yields under metal- and oxidant-free conditions. A gram-scale synthesis highlights the synthetic versatility of the reported protocol.
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Affiliation(s)
- Kannika La-Ongthong
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand. .,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Teera Chantarojsiri
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand. .,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Darunee Soorukram
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand. .,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Pawaret Leowanawat
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand. .,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Vichai Reutrakul
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand. .,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Chutima Kuhakarn
- Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand. .,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
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9
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Bisoyi A, Tripathy AR, Yedase GS, P SS, Choudhury U, Yatham VR. Photoinduced Decarboxylative C3-H Alkylation of Quinoxalin-2(1 H)-ones. J Org Chem 2023; 88:2631-2641. [PMID: 36734694 DOI: 10.1021/acs.joc.2c02823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
An efficient, catalyst- and additive-free, visible-light-driven radical C3-H alkylation of quinoxalin-2(1H)-one derivatives has been developed. This reaction utilizes alkyl-NHP-esters as an alkyl radical donor and quinoxalin-2(1H)-one derivatives as an alkyl radical acceptor. The operationally simple protocol works under mild reaction conditions and tolerates a variety of functional groups. Furthermore, the synthetic utility of the methodology was successfully implemented for synthesizing biologically relevant C3-alkyl substituted quinoxalin-2(1H)-one derivatives.
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Affiliation(s)
- Akash Bisoyi
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India
| | - Alisha Rani Tripathy
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India
| | - Girish Suresh Yedase
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India
| | - Shifana Sinu P
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India
| | - Udita Choudhury
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India
| | - Veera Reddy Yatham
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India
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10
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Liu D, Zhao Y, Patureau FW. NaI/PPh 3-catalyzed visible-light-mediated decarboxylative radical cascade cyclization of N-arylacrylamides for the efficient synthesis of quaternary oxindoles. Beilstein J Org Chem 2023; 19:57-65. [PMID: 36741816 PMCID: PMC9874234 DOI: 10.3762/bjoc.19.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 12/08/2022] [Indexed: 01/18/2023] Open
Abstract
A practical NaI/PPh3-catalyzed decarboxylative radical cascade cyclization of N-arylacrylamides with redox-active esters is described, which is mediated by visible light irradiation. A wide range of substrates bearing different substituents and derived from ubiquitous carboxylic acids, including α-amino acids, were synthesized and examined under this very mild, efficient, and cost effective transition-metal-free synthetic method. These afforded various functionalized oxindoles featuring a C3 quaternary stereogenic center. Mechanistic experiments suggest a radical mechanism.
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Affiliation(s)
- Dan Liu
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Yue Zhao
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Frederic W Patureau
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
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11
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Kim JK, Liu Y, Gong M, Li Y, Huang M, Wu Y. A facile visible-light-induced one-pot synthesis of 3-alkyl coumarins from simple salicylaldehydes. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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12
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Pei C, Yang Z, Koenigs RM. Photochemical palladium-catalyzed methylation and alkylation reactions in cascade reactions of isonitriles. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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13
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Tasnim T, Ayodele MJ, Pitre SP. Recent Advances in Employing Catalytic Donors and Acceptors in Electron Donor-Acceptor Complex Photochemistry. J Org Chem 2022; 87:10555-10563. [PMID: 35904501 DOI: 10.1021/acs.joc.2c01013] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Electron donor-acceptor (EDA) complexes provide a means to initiate radical reactions under visible light irradiation using substrates that do not absorb visible light individually. Catalytic approaches to complex formation are vital for advancing this synthetic strategy as it decouples the complexation and photogeneration of radicals from substrate functionalization, a limitation inherent to stoichiometric approaches that restricts structural diversity. This Synopsis highlights recent developments in EDA complex photochemistry in which either the donor or acceptor are employed catalytically.
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Affiliation(s)
- Tarannum Tasnim
- Department of Chemistry, Oklahoma State University, 107 Physical Sciences, Stillwater, Oklahoma 74078, United States
| | - Mayokun J Ayodele
- Department of Chemistry, Oklahoma State University, 107 Physical Sciences, Stillwater, Oklahoma 74078, United States
| | - Spencer P Pitre
- Department of Chemistry, Oklahoma State University, 107 Physical Sciences, Stillwater, Oklahoma 74078, United States
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14
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Moczulski M, Artelska A, Albrecht Ł, Albrecht A. Photocatalytic Activity of Triphenylphosphine and Potassium Iodide system in the Decarboxylative Alkylation of 3‐Cyanochromones. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200630] [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)
- Marek Moczulski
- Lodz University of Technology: Politechnika Lodzka Chemistry Żeromskiego 116 90-924 Łódź POLAND
| | - Angelika Artelska
- Lodz University of Technology: Politechnika Lodzka Chemistry Żeromskiego 116 90-924 Łódź POLAND
| | - Łukasz Albrecht
- Lodz University of Technology: Politechnika Lodzka Chemistry Żeromskiego 116 90-924 Łódź POLAND
| | - Anna Albrecht
- Lodz University of Technology Chemistry Zeromskiego 116 90-924 Lodz POLAND
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15
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Tripathy AR, A RR, Kumar A, Yatham VR. Photocatalyzed alkylative cyclization of 2-isocyanobiphenyls with unactivated alkyl iodides. Org Biomol Chem 2022; 20:3136-3144. [PMID: 35343547 DOI: 10.1039/d2ob00314g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We herein report the first photocatalyzed radical cascade cyclization of 2-isocyanobiaryls with unactivated alkyl iodides. This simple protocol operates under mild reaction conditions and affords 6-alkyl phenanthridines in good yields. To elucidate the reaction mechanism, Stern-Volmer quenching studies were carried out and these studies revealed that the photocatalyst is not directly involved in a single electron transfer process with the alkyl iodide.
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Affiliation(s)
- Alisha Rani Tripathy
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram (IISER-TVM), 695551, India.
| | - Rizwana Rahmathulla A
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram (IISER-TVM), 695551, India.
| | - Amit Kumar
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram (IISER-TVM), 695551, India.
| | - Veera Reddy Yatham
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram (IISER-TVM), 695551, India.
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16
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Utilization of photocatalysts in decarboxylative coupling of carboxylic N-hydroxyphthalimide (NHPI) esters. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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17
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Zhou Q, Sun CG, Liu X, Li X, Shao Z, Tan K, Shen Y. Electron donor–acceptor complex-catalyzed photoredox reactions mediated by DIPEA and inorganic carbonates. Org Chem Front 2022. [DOI: 10.1039/d2qo00868h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A DIPEA–NHPI ester–inorganic carbonate catalytic EDA complex is reported as an efficient and sustainable radical generation platform for developing photocatalytic reactions.
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Affiliation(s)
- Qingli Zhou
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Chenggang Guo Sun
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Xing Liu
- Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xiaofan Li
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Ziyan Shao
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Kai Tan
- Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yuehai Shen
- Centre for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
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18
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Wang J, Song Q, He X, Ma C, Jiang Y, Fan J. Visible light-promoted, photocatalyst-free decarboxylative alkylations of 2H-indazoles via electron donor-acceptor-complex activation. NEW J CHEM 2022. [DOI: 10.1039/d2nj02766f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A transition-metal-free and traditional dye-free visible light-driven directly alkylation of 2-aryl-2H-indazoles was developed in the catalytic of an electron donor-acceptor (EDA) complex among alkyl N-hydroxyphthalimide (NHPI) esters, triphenylphosphine (PPh3), and...
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19
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Liu XJ, Zhou SY, Xiao Y, Sun Q, Lu X, Li Y, Li JH. Photocatalytic Decarboxylative [3 + 2] and [4 + 2] Annulation of Enynals and γ,σ-Unsaturated N-(Acyloxy)phthalimides by NaI/PPh 3 Catalysis. Org Lett 2021; 23:7839-7844. [PMID: 34581593 DOI: 10.1021/acs.orglett.1c02858] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A practical and eco-friendly strategy for the radical-mediated decarboxylative [3 + 2] and [4 + 2] annulation of enynals and γ,σ-unsaturated N-(acyloxy)phthalimides through the photoactivation of an electron donor-acceptor (EDA) complex has been developed. A wide range of primary, secondary, and tertiary alkyl N-hydroxyphthalimide (NHP) esters can be used as suitable substrates for the synthesis of fused ketones without any transition-metal catalysts or oxidants. This protocol features a broad substrate scope, excellent selectivity, and clean reaction conditions.
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Affiliation(s)
- Xiao-Jie Liu
- Key Laboratory of Jiangxi Province for Persistent Pollutant Control and Resource Recycling, Nanchang Hangkong University, Nanchang 330063, China.,State Key Laboratory of Physical Chemistry of Solid Surface and Fujian Provincial Key Laboratory for Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Sheng-Yun Zhou
- Key Laboratory of Jiangxi Province for Persistent Pollutant Control and Resource Recycling, Nanchang Hangkong University, Nanchang 330063, China.,State Key Laboratory of Physical Chemistry of Solid Surface and Fujian Provincial Key Laboratory for Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yuting Xiao
- Key Laboratory of Jiangxi Province for Persistent Pollutant Control and Resource Recycling, Nanchang Hangkong University, Nanchang 330063, China.,State Key Laboratory of Physical Chemistry of Solid Surface and Fujian Provincial Key Laboratory for Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Qing Sun
- Key Laboratory of Jiangxi Province for Persistent Pollutant Control and Resource Recycling, Nanchang Hangkong University, Nanchang 330063, China.,State Key Laboratory of Physical Chemistry of Solid Surface and Fujian Provincial Key Laboratory for Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xin Lu
- Key Laboratory of Jiangxi Province for Persistent Pollutant Control and Resource Recycling, Nanchang Hangkong University, Nanchang 330063, China.,State Key Laboratory of Physical Chemistry of Solid Surface and Fujian Provincial Key Laboratory for Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yang Li
- Key Laboratory of Jiangxi Province for Persistent Pollutant Control and Resource Recycling, Nanchang Hangkong University, Nanchang 330063, China.,State Key Laboratory of Physical Chemistry of Solid Surface and Fujian Provincial Key Laboratory for Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutant Control and Resource Recycling, Nanchang Hangkong University, Nanchang 330063, China.,State Key Laboratory of Physical Chemistry of Solid Surface and Fujian Provincial Key Laboratory for Theoretical and Computational Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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20
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Nakamura K, Kobayashi E, Moriyama K, Togo H. Preparation of 6-substituted phenanthridines from o-biaryl ketoximes via the Beckmann rearrangement. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Luo Z, Li R, Zhu T, Liu C, Feng H, Aboagye Nartey K, Liu Q, Xu X. Iron‐Catalyzed Oxidative Decabonylation/Radical Cyclization of Aliphatic Aldehydes with Biphenyl Isocyanides: A New Pathway For the Synthesis of 6‐Alkylphenanthridines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100112] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Zaigang Luo
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines College of Chemical Engineering AnHui University of Science and Technology Huainan 232001 P. R. China
| | - Rui Li
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines College of Chemical Engineering AnHui University of Science and Technology Huainan 232001 P. R. China
| | - Tao Zhu
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines College of Chemical Engineering AnHui University of Science and Technology Huainan 232001 P. R. China
| | - Chen‐Fu Liu
- School of Pharmaceutical Science Gannan Medical University Ganzhou 341000 P. R. China
| | - Haoran Feng
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines College of Chemical Engineering AnHui University of Science and Technology Huainan 232001 P. R. China
| | - Kojo Aboagye Nartey
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines College of Chemical Engineering AnHui University of Science and Technology Huainan 232001 P. R. China
| | - Qiannan Liu
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines College of Chemical Engineering AnHui University of Science and Technology Huainan 232001 P. R. China
| | - Xuemei Xu
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines College of Chemical Engineering AnHui University of Science and Technology Huainan 232001 P. R. China
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22
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Worp BA, Kosobokov MD, Dilman AD. Visible‐Light‐Promoted Reversible Sulfide/Iodide Exchange in Fluoroalkyl Sulfides Enabled by Electron Donor‐Acceptor Complex Formation. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100042] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Boris A. Worp
- N. D. Zelinsky Institute of Organic Chemistry 119991 Moscow Leninsky prosp. 47 Russian Federation
- Lomonosov Moscow State University Department of Chemistry 119991 Moscow Leninskie Gory 1–3 Russian Federation
| | - Mikhail D. Kosobokov
- N. D. Zelinsky Institute of Organic Chemistry 119991 Moscow Leninsky prosp. 47 Russian Federation
| | - Alexander D. Dilman
- N. D. Zelinsky Institute of Organic Chemistry 119991 Moscow Leninsky prosp. 47 Russian Federation
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23
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Talukdar V, Vijayan A, Kumar Katari N, Radhakrishnan KV, Das P. Recent Trends in the Synthesis and Mechanistic Implications of Phenanthridines. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001236] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Vishal Talukdar
- Department of Chemistry Indian Institute of Technology (Indian School of Mines) Dhanbad 826004 India
| | - Ajesh Vijayan
- Department of Chemistry CHRIST (Deemed to be University) Hosur road Bengaluru 560029 India
| | | | - K. V. Radhakrishnan
- CSIR – National Institute for Interdisciplinary Science and Technology Thiruvananthapuram 695019 India
| | - Parthasarathi Das
- Department of Chemistry Indian Institute of Technology (Indian School of Mines) Dhanbad 826004 India
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24
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Parida SK, Mandal T, Das S, Hota SK, De Sarkar S, Murarka S. Single Electron Transfer-Induced Redox Processes Involving N-(Acyloxy)phthalimides. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04756] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Sushanta Kumar Parida
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar-342037, Rajasthan, India
| | - Tanumoy Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, West Bengal, India
| | - Sanju Das
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, West Bengal, India
| | - Sudhir Kumar Hota
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar-342037, Rajasthan, India
| | - Suman De Sarkar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, West Bengal, India
| | - Sandip Murarka
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar-342037, Rajasthan, India
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25
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Liu C, Shen N, Shang R. Photocatalytic decarboxylative alkylation of silyl enol ether and enamide with N-(acyloxy)phthalimide using ammonium iodide. Org Chem Front 2021. [DOI: 10.1039/d1qo00648g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Under visible light, a catalytic amount of ammonium iodide promotes the decarboxylative alkylation of silyl enol ether and enamide with aliphatic N-(acyloxy)phthalimide through the photoactivation of a transiently assembled chromophore.
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Affiliation(s)
- Can Liu
- Department of Chemistry
- University of Science and Technology of China
- Hefei 230026
- China
| | - Ni Shen
- Department of Chemistry
- University of Science and Technology of China
- Hefei 230026
- China
| | - Rui Shang
- Department of Chemistry
- University of Science and Technology of China
- Hefei 230026
- China
- Department of Chemistry
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26
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Shao Z, Zhou Q, Wang J, Tang R, Shen Y. Sodium Iodide-Triphenylphosphine-Mediated Photoredox Alkylation of Aldimines. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202102039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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27
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Wang JX, Wang YT, Zhang H, Fu MC. Visible-light-induced iodine-anion-catalyzed decarboxylative/deaminative C–H alkylation of enamides. Org Chem Front 2021. [DOI: 10.1039/d1qo00660f] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient method for photo-induced iodine-anion-catalyzed C–H alkylation of enamides has been developed. Redox-active esters and Katritzky salts of amino acids are amenable, successfully delivering various functionalized enamides.
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Affiliation(s)
- Jia-Xin Wang
- Hefei National Laboratory for Physical Sciences at the Microscale
- CAS Key Laboratory of Urban Pollutant Conversion
- Anhui Province Key Laboratory of Biomass Clean Energy
- iChEM
- University of Science and Technology of China
| | - Ya-Ting Wang
- Hefei National Laboratory for Physical Sciences at the Microscale
- CAS Key Laboratory of Urban Pollutant Conversion
- Anhui Province Key Laboratory of Biomass Clean Energy
- iChEM
- University of Science and Technology of China
| | - Hao Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale
- CAS Key Laboratory of Urban Pollutant Conversion
- Anhui Province Key Laboratory of Biomass Clean Energy
- iChEM
- University of Science and Technology of China
| | - Ming-Chen Fu
- Hefei National Laboratory for Physical Sciences at the Microscale
- CAS Key Laboratory of Urban Pollutant Conversion
- Anhui Province Key Laboratory of Biomass Clean Energy
- iChEM
- University of Science and Technology of China
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28
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Bhattacharyya A, De Sarkar S, Das A. Supramolecular Engineering and Self-Assembly Strategies in Photoredox Catalysis. ACS Catal 2020. [DOI: 10.1021/acscatal.0c04952] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ayan Bhattacharyya
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Suman De Sarkar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246. India
| | - Anindita Das
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
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29
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Nagode SB, Kant R, Rastogi N. Hantzsch Ester-Mediated Synthesis of Phenanthridines under Visible-Light Irradiation. Chem Asian J 2020; 15:3513-3518. [PMID: 32935472 DOI: 10.1002/asia.202000888] [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: 07/29/2020] [Revised: 09/09/2020] [Indexed: 01/08/2023]
Abstract
An efficient photocatalytic synthesis of phenanthridines mediated by an organo-photoredox initiator Hantzsch ester has been developed via denitrogenative intramolecular annulation of benzotriazolyl chalcones. The highly reducing photoactivated Hantzsch ester facilitates the transformation of benzotriazolyl chalcones into phenanthridinyl chalcones through photoinduced electron transfer (PET) and hydrogen atom transfer (HAT) processes. The mild reaction conditions utilizing inexpensive Hantzsch ester as photosensitizer, wide reaction scope and excellent functional group tolerance are notable attributes of the methodology.
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Affiliation(s)
- Savita B Nagode
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Sec. 10, JankipuramExtension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ruchir Kant
- Molecular & Structural Biology Division, CSIR-Central Drug Research Institute, Sec. 10, Jankipuram Extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India
| | - Namrata Rastogi
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Sec. 10, JankipuramExtension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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