1
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Kumar P, Bhalla A. Reaction Pattern and Mechanistic Aspects of Iodine and Iodine-Based Reagents in Selenylation of Aliphatic, Aromatic, and (Hetero)Cyclic Systems. Top Curr Chem (Cham) 2024; 382:12. [PMID: 38589598 DOI: 10.1007/s41061-024-00459-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 03/15/2024] [Indexed: 04/10/2024]
Abstract
Organoselenium compounds have been the subject of extensive research since the discovery of the biologically active compound ebselen. Ebselen has recently been found to show activity against the main protease of the virus responsible for COVID-19. Other organoselenium compounds are also well-known for their diverse biological activities, with such compounds exhibiting interesting physical properties relevant to the fields of electronics, materials, and polymer chemistry. In addition, the incorporation of selenium into various organic molecules has garnered significant attention due to the potential of selenium to enhance the biological activity of these molecules, particularly in conjunction with bioactive heterocycles. Iodine and iodine-based reagents play a prominent role in the synthesis of organoselenium compounds, being valued for their cost-effectiveness, non-toxicity, and ease of handling. These reagents efficiently selenylate a broad range of organic substrates, encompassing alkenes, alkynes, and cyclic, aromatic, and heterocyclic molecules. They serve as catalysts, additives, inducers, and oxidizing agents, facilitating the introduction of different functional groups at alternate positions in the molecules, thereby allowing for regioselective and stereoselective approaches. Specific iodine reagents and their combinations can be tailored to follow the desired reaction pathways. Here, we present a comprehensive review of the progress in the selenylation of organic molecules using iodine reagents over the past decade, with a focus on reaction patterns, solvent effects, heating, microwave, and ultrasonic conditions. Detailed discussions on mechanistic aspects, such as electrophilic, nucleophilic, radical, electrochemical, and ring expansion reactions via selenylation, multiselenylation, and difunctionalization, are included. The review also highlights the formation of various cyclic, heterocyclic, and heteroarenes resulting from the in situ generation of selenium intermediates, encompassing cyclic ketones, cyclic ethers, cyclic lactones, selenophenes, chromones, pyrazolines, pyrrolidines, piperidines, indolines, oxazolines, isooxazolines, lactones, dihydrofurans, and isoxazolidines. To enhance the reader's interest, the review is structured into different sections covering the selenylation of aliphatic sp2/sp carbon and cyclic sp2 carbon, and then is further subdivided into various heterocyclic molecules.
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Affiliation(s)
- Pankaj Kumar
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh, UT, 160014, India
| | - Aman Bhalla
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh, UT, 160014, India.
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2
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Ghosh P, Chhetri G, Mandal A, Chen Y, Hersh WH, Das S. C(sp 2)-H selenylation of substituted benzo[4,5]imidazo[2,1- b]thiazoles using phenyliodine(iii)bis(trifluoroacetate) as a mediator. RSC Adv 2024; 14:4462-4470. [PMID: 38312731 PMCID: PMC10835571 DOI: 10.1039/d4ra00057a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 01/17/2024] [Indexed: 02/06/2024] Open
Abstract
Herein, an expeditious metal-free regioselective C-H selenylation of substituted benzo[4,5]imidazo[2,1-b]thiazole derivatives was devised to synthesize structurally orchestrated selenoethers with good to excellent yields. This PIFA [bis(trifluoroacetoxy)iodobenzene]-mediated protocol operates under mild conditions and offers broad functional group tolerance. In-depth mechanistic investigation supports the involvement of radical pathways. Furthermore, the synthetic utility of this methodology is portrayed through gram-scale synthesis.
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Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry, University of North Bengal Darjeeling-734013 India
| | - Gautam Chhetri
- Department of Chemistry, University of North Bengal Darjeeling-734013 India
| | - Anirban Mandal
- Department of Chemistry, University of North Bengal Darjeeling-734013 India
| | - Yu Chen
- Department of Chemistry and Biochemistry, Queens College and the Graduate Centre of City University of New York Flushing New York 11367-1597 USA
- PhD Program in Chemistry, The Graduate Center of the City University of New York 365 Fifth Ave. New York 10016 USA
| | - William H Hersh
- Department of Chemistry and Biochemistry, Queens College and the Graduate Centre of City University of New York Flushing New York 11367-1597 USA
- PhD Program in Chemistry, The Graduate Center of the City University of New York 365 Fifth Ave. New York 10016 USA
| | - Sajal Das
- Department of Chemistry, University of North Bengal Darjeeling-734013 India
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3
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Li B, Hu M, Ge J, Xu W, Wu J, Tong Y, Zhao Z, Liu X, He L. Regioselective C-H chalcogenylation and halogenation of arenes and alkenes under metal-free conditions. Org Biomol Chem 2023; 21:2910-2916. [PMID: 36942676 DOI: 10.1039/d3ob00150d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
The reactions of direct Csp2-H chalcogenylation and halogenation of N-arylpyrrolidone under the action of PIFA without a directing group and under metal-free conditions were reported in this paper. Diphenyl selenide/sulfur and selenium phenyl halides were used as reaction reagents to obtain chalcogenylated and halogenated N-arylpyrrolidone products, respectively. The mechanistic studies indicated that a radical pathway was likely involved in these reactions. Preliminary antitumor tests showed that these compounds have moderate to potent activities against human acute leukemia cells K562 in vitro, which may be used as lead compounds for subsequent research.
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Affiliation(s)
- Bin Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Mingli Hu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Jun Ge
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Wei Xu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Jinghan Wu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Yao Tong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Zhengyi Zhao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Xiuxiu Liu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Ling He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
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4
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Dong L, Wang X, Nie Y, Yu S, Li H, Zhao Q, Fan Z, Wang Y, Tan X, Yu Z. Regioselective Perfluoroalkylation of 4‐Quinolones Using Sodium Perfluoroalkyl Sulfinates. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Li Dong
- College of Life Science Hebei Agriculture University The Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Micro-organism Baoding Hebei 071000 China
| | - Xiaoqing Wang
- College of Science Hebei Agriculture University Baoding Hebei 071000 China
| | - Yudi Nie
- College of Life Science Hebei Agriculture University The Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Micro-organism Baoding Hebei 071000 China
| | - Shuo Yu
- College of Life Science Hebei Agriculture University The Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Micro-organism Baoding Hebei 071000 China
| | - Haotong Li
- College of Life Science Hebei Agriculture University The Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Micro-organism Baoding Hebei 071000 China
| | - Qian Zhao
- College of Modern Science and Technology Hebei Agriculture University Baoding Hebei 071000 China
| | - Zixuan Fan
- College of Life Science Hebei Agriculture University The Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Micro-organism Baoding Hebei 071000 China
| | - Yuqian Wang
- College of Modern Science and Technology Hebei Agriculture University Baoding Hebei 071000 China
| | - Xiaoting Tan
- College of Modern Science and Technology Hebei Agriculture University Baoding Hebei 071000 China
| | - Zhengsen Yu
- College of Life Science Hebei Agriculture University The Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Micro-organism Baoding Hebei 071000 China
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5
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Shirvandi Z, Rostami A, Ghorbani-Choghamarani A. Magnetic mesocellular foams with nickel complexes: as efficient and reusable nanocatalysts for the synthesis of symmetrical and asymmetrical diaryl chalcogenides. NANOSCALE ADVANCES 2022; 4:2208-2223. [PMID: 36133448 PMCID: PMC9419205 DOI: 10.1039/d1na00822f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 04/03/2022] [Indexed: 06/15/2023]
Abstract
In this work, magnetic mesocellular foam (M-MCF) silica nanoparticles were prepared via inserting magnetic nanoparticles into the pores of mesocellular foams, the inner surface of which was functionalized with a methionine-nickel complex (M-MCF@Met-Ni). The structure of the as-prepared nanocatalysts was studied by FT-IR spectroscopy, BET, TGA, VSM, SEM, HR-TEM, EDS, WDX, XRD, and ICP-OES techniques. Thereafter, this nanocatalyst was used as a new, effective, and magnetically reusable catalyst for C-S and C-Se bond formation under mild conditions. All corresponding products were prepared with good yields and appropriate turnover number (TON) and turnover frequency (TOF), which reveals the high activity of this magnetic nanocatalyst in both reactions. In addition, the recovery and hot filtration tests indicated that this catalyst could be simply separated from the reaction mixture using an outside magnet and reused five consecutive times without any significant loss of its catalyst activity or metal leaching.
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Affiliation(s)
- Zeinab Shirvandi
- Department of Chemistry, Faculty of Science, University of Kurdistan Zip Code 66177-15175 Sanandaj Iran
| | - Amin Rostami
- Department of Chemistry, Faculty of Science, University of Kurdistan Zip Code 66177-15175 Sanandaj Iran
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6
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Lu N, Liang H, Miao C, Lan X, Qian P. Theoretical investigation of the mechanism of DMAP-promoted [4 + 2]-annulation of prop-2-ynylsulfonium with isatoic anhydride. CAN J CHEM 2022. [DOI: 10.1139/cjc-2021-0174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The mechanism for DMAP-promoted [4 + 2]-annulation of prop-2-ynylsulfonium with isatoic anhydride is investigated using the M06-2X functional. The reaction comprises isomerization of prop-2-ynylsulfonium in stage 1. Stage 2 includes DMAP-promoted deprotonation, nucleophilic addition, ring opening, and decarboxylation. Three steps of intramolecular cycloaddition, DMAP-promoted protonation, and dealkylation occur in stage 3, generating methylated DMAP and neutral thioether, which undergo double-bond isomerization to yield 3-methylthio-4-quinolone. The ability of DMAP to promote the reaction lies in the barrier decrease for alkyne isomerization, deprotonation/protonation of allenes, and dealkylation as effective bases for transferring protons and methyl groups. The roles of prop-2-ynylsulfonium and isatoic anhydride were demonstrated to be C2 and C4 synthons via Multiwfn analysis on the frontier molecular orbital. An alternative path was also confirmed by the Mayer bond order of the vital transition states.
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Affiliation(s)
- Nan Lu
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
| | - Hui Liang
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
| | - Chengxia Miao
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
| | - Xiaozheng Lan
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
| | - Ping Qian
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
- College of Chemistry and Material Science, Shandong Agricultural University, Taian City, Shandong Prov. 271018, P.R. China
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7
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Mukherjee S, Pramanik A. Mild and Expeditious Synthesis of Sulfenyl Enaminones of l-α-Amino Esters and Aryl/Alkyl Amines through NCS-Mediated Sulfenylation. ACS OMEGA 2021; 6:33805-33821. [PMID: 34926928 PMCID: PMC8675011 DOI: 10.1021/acsomega.1c05058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 11/18/2021] [Indexed: 06/14/2023]
Abstract
Sulfenylation or selenylation of enaminones of l-α-amino esters requires mild reaction conditions due to the presence of a racemization-prone chiral center and reactive side chains. An N-chlorosuccinimide (NCS)-mediated methodology has been developed for rapid sulfenylation of enaminones of l-α-amino esters and aryl/alkyl amines at room temperature in open air under metal-free conditions. Enaminones of l-α-amino esters bearing aliphatic, aromatic, and heterocyclic side chains react efficiently with diverse aryl/alkyl/heteroaryl thiols (R1SH) in the presence of NCS to afford a library of biologically important sulfenyl enaminones in good-to-excellent yields (71-90%). Under similar reaction conditions, the enaminones also react with benzeneselenol to produce selenyl enaminones in good yield (73-83%). The NCS-mediated pathway generates sulfenyl chloride (R1SCl) as an intermediate which leads to rapid sulfenylation of enaminones through cross-dehydrogenative coupling (CDC) under mild reaction conditions.
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Affiliation(s)
- Sayan Mukherjee
- Department of Chemistry, University
of Calcutta, 92, A. P. C. Road, Kolkata 700009, India
| | - Animesh Pramanik
- Department of Chemistry, University
of Calcutta, 92, A. P. C. Road, Kolkata 700009, India
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8
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Yang F, Wang X, Zhao W, Yu F, Yu Z. Hypervalent Iodine(III)-Promoted C3-H Regioselective Halogenation of 4-Quinolones under Mild Conditions. ACS OMEGA 2021; 6:34044-34055. [PMID: 34926952 PMCID: PMC8675166 DOI: 10.1021/acsomega.1c05455] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/17/2021] [Indexed: 06/14/2023]
Abstract
A simple and practical protocol for the C3-H regioselective halogenation of 4-quinolones by the action of potassium halide salt and PIFA/PIDA in good to excellent yields was developed. The current approach provides feasible access to the diversity of C3-halgenated 4-quinolones at room temperature with high regioselectivity and good functional group tolerance, from which bioactive compounds can be easily constructed. Moreover, the current method featured eco-friendly, operational convenience and is suitable for halogenation in a gram scale of 4-quinolones in water without sacrificing yields.
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Affiliation(s)
- Fang Yang
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Xiaoqing Wang
- Colleges
of Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic
of China
| | - Wenzhuo Zhao
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Fei Yu
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Zhengsen Yu
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
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9
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Maity P, Sarkar P, Mukhopadhyay C. Generation of I-, ArS- and ArSe- substituted pyrrolo[3,4–c]pyridine derivatives using copper iodide as an iodinating agent. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Sonawane AD, Sonawane RA, Ninomiya M, Koketsu M. Diorganyl diselenides: a powerful tool for the construction of selenium containing scaffolds. Dalton Trans 2021; 50:12764-12790. [PMID: 34581339 DOI: 10.1039/d1dt01982a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Organoselenium compounds find versatile applications in organic synthesis, materials synthesis, and ligand chemistry. Organoselenium heterocycles are widely studied agents with diverse applications in various biological processes. This review highlights the recent progress in the synthesis of selenium heterocycles using diorganyl diselenides with keen attention on green synthetic approaches, scopes, C-H selanylation, the mechanisms of different reactions and insights into the formation of metal complexes. The C-H selanylation using diorganyl diselenides with different catalysts, bases, transition metals, iodine salts, NIS, hypervalent iodine, and other reagents is summarised. Finally, the diverse binding modes of bis(2/4-pyridyl)diselenide with different metal complexes are also summarised.
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Affiliation(s)
- Amol D Sonawane
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Rohini A Sonawane
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Masayuki Ninomiya
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Mamoru Koketsu
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
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11
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I2/TBHP promoted isocyanide insertion cyclization reaction for the synthesis of quinazolin fused benzoimidazole as a selective methanol detection probe. CATAL COMMUN 2021. [DOI: 10.1016/j.catcom.2021.106331] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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12
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Chen JY, Wu HY, Gui QW, Yan SS, Deng J, Lin YW, Cao Z, He WM. Sustainable electrochemical cross-dehydrogenative coupling of 4-quinolones and diorganyl diselenides. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63750-0] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Brahmachari G, Bhowmick A, Karmakar I. Visible Light-Driven and Singlet Oxygen-Mediated Photochemical Cross-Dehydrogenative C 3-H Sulfenylation of 4-Hydroxycoumarins with Thiols Using Rose Bengal as a Photosensitizer. J Org Chem 2021; 86:9658-9669. [PMID: 34213909 DOI: 10.1021/acs.joc.1c00919] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A visible light (white light-emitting diode/direct sunlight)-driven photochemical synthesis of a new series of biologically interesting 3-(alkyl/benzylthio)-4-hydroxy-2H-chromen-2-ones has been achieved through a cross-dehydrogenative C3-H sulfenylation of 4-hydroxycoumarins with thiols at ambient temperature in the presence of rose bengal in acetonitrile under an oxygen atmosphere. The notable features of this newly developed method are mild reaction conditions, energy efficiency, metal-free synthesis, good to excellent yields, use of low-cost materials, and eco-friendliness.
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Affiliation(s)
- Goutam Brahmachari
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Anindita Bhowmick
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Indrajit Karmakar
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
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14
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An S, Zhang Z, Li P. Metal‐Free Synthesis of Selenodihydronaphthalenes by Selenoxide‐Mediated Electrophilic Cyclization of Alkynes. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100423] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Shaoyu An
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 100029 P. R. China
| | - Zhong Zhang
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 100029 P. R. China
| | - Pingfan Li
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 100029 P. R. China
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15
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Liu X, Song D, Zhang Z, Lin J, Zhuang C, Zhan H, Cao H. Regioselective C-H dithiocarbamation of indolizines with tetraalkylthiuram disulfide under metal-free conditions. Org Biomol Chem 2021; 19:5284-5288. [PMID: 34047744 DOI: 10.1039/d1ob00701g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient and straightforward metal-free regioselective C-H dithiocarbamation of indolizines with tetraalkylthiuram disulfide has been described. A series of indolizine-dithiocarbamate derivatives were easily accessed in moderate to good yields with a broad scope. In addition, imidazo[1,2-a]pyridines were also well tolerated to afford diverse imidazoheterocycle-dithiocarbamate products, which are expected to be utilized for drug discovery. Of note, the reaction could be readily scaled up, and shows its practical value in organic synthesis.
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Affiliation(s)
- Xiang Liu
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Dan Song
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Zemin Zhang
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Jiatong Lin
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Canzhan Zhuang
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Haiying Zhan
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
| | - Hua Cao
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China.
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16
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Ghosh P, Chhetri G, Perl E, Das S. [Bis(trifluoroacetoxy)iodo]benzene Mediated C‐3 Selenylation of Pyrido[1,2‐
a
]Pyrimidin‐4‐Ones Under Ambient Conditions. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001426] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry University of North Bengal India Darjeeling 734013
| | - Gautam Chhetri
- Department of Chemistry University of North Bengal India Darjeeling 734013
| | - Eliyahu Perl
- University of Cincinnati College of Medicine USA
| | - Sajal Das
- Department of Chemistry University of North Bengal India Darjeeling 734013
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17
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Ghosh P, Ganguly B, Das S. NaI/KI/NH 4I and TBHP as powerful oxidation systems: use in the formation of various chemical bonds. Org Biomol Chem 2021; 19:2146-2167. [PMID: 33629084 DOI: 10.1039/d0ob02169e] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
In modern organic synthesis, the execution of reactions in the absence of expensive transition metals has received significant attention from the view-point of green chemistry and sustainable development. As a consequence, the combination of MI-TBHP as an oxidation system (M = Na, K, NH4) has opened a new avenue with significant impact for the succinct synthesis of complex heterocycle molecules via the construction of various chemical bonds [C-X (X = C, N, S, O), N-X (X = N, P) and S-N]. This comprehensive review article delineates the progress of recent developments in this emerging area, with an in-depth discussion on the substrate scope, limitations and proper mechanistic underpinnings. We hope this review will highlight the great potential of this MI-TBHP as a powerful oxidation system and inspire researchers to conduct further endeavors in this domain.
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Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry, University of North Bengal, Darjeeling - 734013, India.
| | - Bhaskar Ganguly
- Department of Chemistry, University of North Bengal, Darjeeling - 734013, India.
| | - Sajal Das
- Department of Chemistry, University of North Bengal, Darjeeling - 734013, India.
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18
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Ghosh P, Chhetri G, Das S. Metal free C-3 chalcogenation (sulfenylation and selenylation) of 4 H-pyrido[1,2- a]pyrimidin-4-ones. RSC Adv 2021; 11:10258-10263. [PMID: 35423521 PMCID: PMC8695620 DOI: 10.1039/d1ra00834j] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 03/03/2021] [Indexed: 11/21/2022] Open
Abstract
An expeditious metal free C-3 chalcogenation of 4H-pyrido[1,2-a]pyrimidin-4-one has been devised to synthesize diversely orchestrated 3-ArS/ArSe derivatives in high yields (up to 95%). This operationally simple reaction proceeds under mild reaction conditions, can be executed in gram scale, and also highlights broad functional group tolerance. Preliminary experimental investigation suggests a radical mechanistic pathway for these transformations.
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Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry, University of North Bengal Darjeeling-734013 India +91-0353-2699-001 +91-0353-2776-381
| | - Gautam Chhetri
- Department of Chemistry, University of North Bengal Darjeeling-734013 India +91-0353-2699-001 +91-0353-2776-381
| | - Sajal Das
- Department of Chemistry, University of North Bengal Darjeeling-734013 India +91-0353-2699-001 +91-0353-2776-381
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19
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Yuan JW, Zhang Y, Huang GC, Ma MY, Yang TY, Yang LR, Zhang SR, Mao P, Qu LB. Site-specific C–H chalcogenation of quinoxalin-2(1 H)-ones enabled by Selectfluor reagent. Org Chem Front 2021. [DOI: 10.1039/d1qo01332g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A site-specific C6–H chalcogenation of quinoxalin-2(1H)-ones with various diselenides and dithiols is presented by employing Selectfluor reagent as an oxidant.
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Affiliation(s)
- Jin-Wei Yuan
- School of Chemistry & Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yang Zhang
- School of Chemistry & Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Guang-Chao Huang
- School of Chemistry & Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Meng-Yao Ma
- School of Chemistry & Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Teng-Yu Yang
- School of Chemistry & Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Liang-Ru Yang
- School of Chemistry & Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Shou-Ren Zhang
- Henan Key Laboratory of Nanocomposites and Applications; Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou 450006, China
| | - Pu Mao
- School of Chemistry & Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Ling-Bo Qu
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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20
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He S, Zhang H, Wu H, Zhou S, Xiao Y, You X, Chen J. ICl-Catalyzed C sp2—H Selenation of Aminocoumarin Derivatives. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202106055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Mondal B, Ghosh P, Kundu M, Das S. 8-Aminoimidazo[1,2-a]pyridine (AIP) directed Pd(ii) catalysis: site-selective ortho-C(sp2)–H arylation in aqueous medium. Org Biomol Chem 2021; 19:1604-1609. [DOI: 10.1039/d0ob02510k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient and facile Pd(ii) catalyzed selective ortho and β-C(sp2)–H arylation reaction employing the 8-AIP (aminoimidazo[1,2-a]pyridine) auxiliary as a removable N,N-bidentate directing group in a green solvent (water) has been reported.
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Affiliation(s)
- Biswajit Mondal
- TCG Life sciences Pvt. Ltd
- Kolkata 700091
- India
- Department of Chemistry
- University of North Bengal
| | - Prasanjit Ghosh
- Department of Chemistry
- University of North Bengal
- Darjeeling 734013
- India
| | | | - Sajal Das
- Department of Chemistry
- University of North Bengal
- Darjeeling 734013
- India
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22
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McCourt RO, Scanlan EM. Atmospheric Oxygen Mediated Radical Hydrothiolation of Alkenes. Chemistry 2020; 26:15804-15810. [DOI: 10.1002/chem.202002542] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/08/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Ruairí O. McCourt
- School of Chemistry Trinity Biomedical Sciences Institute (TBSI) Trinity College Dublin The University of Dublin Dublin 2 Ireland
| | - Eoin M. Scanlan
- School of Chemistry Trinity Biomedical Sciences Institute (TBSI) Trinity College Dublin The University of Dublin Dublin 2 Ireland
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23
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Recent Advances in the Synthesis of Sulfides, Sulfoxides and Sulfones via C-S Bond Construction from Non-Halide Substrates. Catalysts 2020. [DOI: 10.3390/catal10111339] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The construction of a C-S bond is a powerful strategy for the synthesis of sulfur containing compounds including sulfides, sulfoxides, and sulfones. Recent methodological developments have revealed lots of novel protocols for C-S bond formation, providing easy access to sulfur containing compounds. Unlike traditional Ullmann typed C-S coupling reaction, the recently developed reactions frequently use non-halide compounds, such as diazo compounds and simple arenes/alkanes instead of aryl halides as substrates. On the other hand, novel C-S coupling reaction pathways involving thiyl radicals have emerged as an important strategy to construct C-S bonds. In this review, we focus on the recent advances on the synthesis of sulfides, sulfoxides, and sulfones from non-halide substrates involving C-S bond construction.
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24
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Pandey A, Chand S, Singh R, Kumar S, Singh KN. Iodine-Catalyzed Synthesis of 3-Arylthioindoles Employing a 1-Aryltriazene/CS 2 Combination as a New Sulfenylation Source. ACS OMEGA 2020; 5:7627-7635. [PMID: 32280906 PMCID: PMC7144174 DOI: 10.1021/acsomega.0c00472] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 03/13/2020] [Indexed: 06/11/2023]
Abstract
A practical approach for the regioselective synthesis of 3-arylthioindoles has been accomplished using a combination of 1-aryltriazene/CS2 as a new sulfenylation source. The methodology employs molecular iodine as a catalyst and is compatible with a variety of structurally diverse reactants.
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25
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26
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Ghosh P, Das S. Synthesis and Functionalization of 4-Quinolones - A Progressing Story. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900452] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry; University of North Bengal; 734013 Darjeeling West Bengal India
| | - Sajal Das
- Department of Chemistry; University of North Bengal; 734013 Darjeeling West Bengal India
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27
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Li D, Li S, Peng C, Lu L, Wang S, Wang P, Chen YH, Cong H, Lei A. Electrochemical oxidative C-H/S-H cross-coupling between enamines and thiophenols with H 2 evolution. Chem Sci 2019; 10:2791-2795. [PMID: 30996999 PMCID: PMC6419947 DOI: 10.1039/c8sc05143g] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 01/05/2019] [Indexed: 11/21/2022] Open
Abstract
Electrochemical oxidative C-H/S-H cross-coupling has been developed to construct the C-S bond in a highly straightforward and efficient manner. Various enamines and (hetero)aryl thiols could be transformed smoothly under undivided electrolytic cell conditions. Moreover, this electrosynthesis strategy not only avoided the use of chemical oxidants and transition metal catalysts, but also exhibited excellent atom economy.
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Affiliation(s)
- Dandan Li
- School of Chemistry and Chemical Engineering , Xuchang University , Xuchang 461000 , Henan , P. R. China
| | - Shuaibing Li
- School of Chemistry and Chemical Engineering , Xuchang University , Xuchang 461000 , Henan , P. R. China
| | - Chong Peng
- School of Chemistry and Chemical Engineering , Xuchang University , Xuchang 461000 , Henan , P. R. China
| | - Lijun Lu
- College of Chemistry and Molecular Sciences , Institute for Advanced Studies (IAS) , Wuhan University , Wuhan 430072 , Hubei , P. R. China .
| | - Shengchun Wang
- College of Chemistry and Molecular Sciences , Institute for Advanced Studies (IAS) , Wuhan University , Wuhan 430072 , Hubei , P. R. China .
| | - Pan Wang
- College of Chemistry and Molecular Sciences , Institute for Advanced Studies (IAS) , Wuhan University , Wuhan 430072 , Hubei , P. R. China .
| | - Yi-Hung Chen
- College of Chemistry and Molecular Sciences , Institute for Advanced Studies (IAS) , Wuhan University , Wuhan 430072 , Hubei , P. R. China .
| | - Hengjiang Cong
- College of Chemistry and Molecular Sciences , Institute for Advanced Studies (IAS) , Wuhan University , Wuhan 430072 , Hubei , P. R. China .
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences , Institute for Advanced Studies (IAS) , Wuhan University , Wuhan 430072 , Hubei , P. R. China .
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28
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Ghosh P, Chhetri G, Nandi AK, Sarkar S, Saha T, Das S. Creation of thio and selenocyanate derivatives of 4-quinolone via regioselective C–H bond functionalization under ambient conditions. NEW J CHEM 2019. [DOI: 10.1039/c9nj01922g] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An operationally simple C–SCN and C–SeCN bond formation technique to generate different SCN/SeCN substituted 4-quinolone derivatives using NH4SCN/KSeCN in excellent yields was developed.
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Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry
- University of North Bengal
- Darjeeling – 734013
- India
| | - Gautam Chhetri
- Department of Chemistry
- University of North Bengal
- Darjeeling – 734013
- India
| | - Aritra Kumar Nandi
- Department of Chemistry
- University of North Bengal
- Darjeeling – 734013
- India
| | - Sagar Sarkar
- Laboratory of Immunology
- Department of Zoology
- University of North Bengal
- Darjeeling – 734013
- India
| | - Tilak Saha
- Laboratory of Immunology
- Department of Zoology
- University of North Bengal
- Darjeeling – 734013
- India
| | - Sajal Das
- Department of Chemistry
- University of North Bengal
- Darjeeling – 734013
- India
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29
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Liu Y, Tian Y, Su K, Wang P, Guo X, Chen B. Rhodium(iii)-catalyzed [3 + 3] annulation reactions of N-nitrosoanilines and cyclopropenones: an approach to functionalized 4-quinolones. Org Chem Front 2019. [DOI: 10.1039/c9qo01250h] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report Rh(iii)-catalyzed [3 + 3] annulation reactions for the preparation of functionalized 4-quinolones from available N-nitrosoanilines and cyclopropenones.
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Affiliation(s)
- Yafeng Liu
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| | - Yuan Tian
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| | - Kexin Su
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| | - Peigen Wang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| | - Xin Guo
- School of Chemistry and Chemical Engineering
- North Minzu University
- Yinchuan
- China
| | - Baohua Chen
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
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