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Kumar B, Bhatta A, Saraf P, Pandurang TP, Rangan K, Sarkar M, Mitra S, Kumar D. BODIPY(aryl)iodonium salts in the efficient synthesis of diversely functionalized BODIPYs and selective detection of serum albumin. Org Biomol Chem 2024; 22:3405-3414. [PMID: 38587475 DOI: 10.1039/d4ob00336e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
BODIPY(aryl)iodonium salts were readily accessible from the high-yielding reaction of BODIPY with iodoarenes or hydroxyl(tosyloxy)iodoarenes in the presence of m-CPBA. The prepared BODIPY(aryl)iodonium salts bearing substituents of varied electronic nature were utilized for the direct syntheses of thiocyanate, azide, amine and acrylate functionalized BODIPYs and β,β'-bis-BODIPYs. The regioselective syntheses of α-piperidinyl and β-piperidinyl substituted BODIPYs were achieved through the reaction of BODIPY(aryl)iodonium salts with piperidine in the absence and presence of copper(I). Expeditious and high yielding (79-82%) synthesis of β,β'-bis-BODIPYs was also developed through the palladium-catalyzed reductive coupling of the easily accessible BODIPY(aryl)iodonium salts. Some of the indole-appended BODIPYs and bis-BODIPYs displayed strong absorption in the visible region (∼610 nm). The BODIPY(aryl)iodonium salts also showed significant binding with serum albumin and were observed to be selective serum protein sensors with estimated limits of detection as low as 7 μg mL-1 in some cases.
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Affiliation(s)
- Bintu Kumar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani-333 031, India.
| | - Anindita Bhatta
- Department of Chemistry, North-Eastern Hill University, Shillong-793022, India.
| | - Prakriti Saraf
- Department of Chemistry, Birla Institute of Technology and Science, Pilani-333 031, India.
| | - Taur Prakash Pandurang
- Department of Chemistry, Birla Institute of Technology and Science, Pilani-333 031, India.
| | - Krishnan Rangan
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Hyderabad Campus-500 078, India
| | - Madhushree Sarkar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani-333 031, India.
| | - Sivaprasad Mitra
- Department of Chemistry, North-Eastern Hill University, Shillong-793022, India.
| | - Dalip Kumar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani-333 031, India.
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2
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Singh PR, Lamba M, Goswami A. Copper-Catalyzed Chemoselective O-Arylation of Oxindoles: Access to Cyclic Aryl Carboxyimidates. J Org Chem 2024; 89:2926-2938. [PMID: 38354326 DOI: 10.1021/acs.joc.3c02341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
We have developed a highly efficient base- and additive-free chemoselective CuO-catalyzed strategy for the O-arylation of 2-oxindoles to synthesize 2-phenoxy-3H-indole and 2-phenoxy-1H-indole derivatives in the presence of diaryl iodonium salts. This method offers a variety of O-arylated oxindoles in good to excellent yields under relatively milder reaction conditions. Furthermore, this methodology was extended for the O-arylation of 2-pyridinone and isoindoline-1-one derivatives as well.
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Affiliation(s)
- Prasoon Raj Singh
- Department of Chemistry, SS Bhatnagar Block, Indian Institute of Technology, Ropar 140001, Punjab, India
| | - Manisha Lamba
- Department of Chemistry, SS Bhatnagar Block, Indian Institute of Technology, Ropar 140001, Punjab, India
| | - Avijit Goswami
- Department of Chemistry, SS Bhatnagar Block, Indian Institute of Technology, Ropar 140001, Punjab, India
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3
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Chan AY, Ghosh A, Yarranton JT, Twilton J, Jin J, Arias-Rotondo DM, Sakai HA, McCusker JK, MacMillan DWC. Exploiting the Marcus inverted region for first-row transition metal-based photoredox catalysis. Science 2023; 382:191-197. [PMID: 37824651 PMCID: PMC10690870 DOI: 10.1126/science.adj0612] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 08/28/2023] [Indexed: 10/14/2023]
Abstract
Second- and third-row transition metal complexes are widely employed in photocatalysis, whereas earth-abundant first-row transition metals have found only limited use because of the prohibitively fast decay of their excited states. We report an unforeseen reactivity mode for productive photocatalysis that uses cobalt polypyridyl complexes as photocatalysts by exploiting Marcus inverted region behavior that couples increases in excited-state energies with increased excited-state lifetimes. These cobalt (III) complexes can engage in bimolecular reactivity by virtue of their strong redox potentials and sufficiently long excited-state lifetimes, catalyzing oxidative C(sp2)-N coupling of aryl amides with challenging sterically hindered aryl boronic acids. More generally, the results imply that chromophores can be designed to increase excited-state lifetimes while simultaneously increasing excited-state energies, providing a pathway for the use of relatively abundant metals as photoredox catalysts.
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Affiliation(s)
- Amy Y. Chan
- Merck Center for Catalysis at Princeton University, Princeton, NJ 08544, USA
| | - Atanu Ghosh
- Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA
| | | | - Jack Twilton
- Merck Center for Catalysis at Princeton University, Princeton, NJ 08544, USA
| | - Jian Jin
- Merck Center for Catalysis at Princeton University, Princeton, NJ 08544, USA
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | | | - Holt A. Sakai
- Merck Center for Catalysis at Princeton University, Princeton, NJ 08544, USA
| | - James K. McCusker
- Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA
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4
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Wu X, Li Y, Chen M, He FS, Wu J. Metal-Free Chemoselective S-Arylation of Sulfenamides To Access Sulfilimines. J Org Chem 2023. [PMID: 37327035 DOI: 10.1021/acs.joc.3c00961] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A novel and efficient S-arylation of sulfenamides with diaryliodonium salts for the synthesis of sulfilimines is developed. The reaction proceeds smoothly under transition-metal-free and air conditions, giving rapid access to sulfilimines in good to excellent yields via selective S-C bond formation. This protocol is scalable and exhibits a broad substrate scope, good functional group tolerance, and excellent chemoselectivity.
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Affiliation(s)
- Xianda Wu
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China
- School of Pharmaceutical and Chemical Engineering and Institute for Advanced Studies, Taizhou University, Taizhou, Zhejiang 3180000, China
| | - Yuqing Li
- School of Pharmaceutical and Chemical Engineering and Institute for Advanced Studies, Taizhou University, Taizhou, Zhejiang 3180000, China
| | - Minghong Chen
- School of Pharmaceutical and Chemical Engineering and Institute for Advanced Studies, Taizhou University, Taizhou, Zhejiang 3180000, China
| | - Fu-Sheng He
- School of Pharmaceutical and Chemical Engineering and Institute for Advanced Studies, Taizhou University, Taizhou, Zhejiang 3180000, China
| | - Jie Wu
- School of Pharmaceutical and Chemical Engineering and Institute for Advanced Studies, Taizhou University, Taizhou, Zhejiang 3180000, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
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5
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Saikia RA, Talukdar K, Pathak D, Sarma B, Thakur AJ. Utilization of Aryl(TMP)iodonium Salts for Copper-Catalyzed N-Arylation of Isatoic Anhydrides: An Avenue to Fenamic Acid Derivatives and N,N'-Diarylindazol-3-ones. J Org Chem 2023; 88:3567-3581. [PMID: 36827541 DOI: 10.1021/acs.joc.2c02762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
Herein, we report a general method for copper-catalyzed N-arylation of isatoic anhydrides with unsymmetrical iodonium salts at room temperature. The developed catalytic protocol is mild and operationally simple, and aryl(TMP)iodonium trifluoroacetate is employed as the arylating partner. The methodology offers the broad applicability of both structurally and electronically diverse aryl groups from aryl(TMP)iodonium salts to access N-arylated isatoic anhydrides in moderate to excellent yields (53-92%). Moreover, the substituted isatoic anhydrides are equally compatible with the protocol too. To demonstrate the synthetic utilities of the N-arylation process, we also report an alternative approach for biologically relevant fenamic acid derivatives and N,N'-diarylindazol-3-ones in a one-pot step economical system. In addition, the scale-up synthesis of flufenamic acid is also illustrated.
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Affiliation(s)
- Raktim Abha Saikia
- Department of Chemical Sciences, Tezpur University, Napaam 784028, India
| | - Khanindra Talukdar
- Department of Chemical Sciences, Tezpur University, Napaam 784028, India
| | - Debabrat Pathak
- Department of Chemical Sciences, Tezpur University, Napaam 784028, India
| | - Bipul Sarma
- Department of Chemical Sciences, Tezpur University, Napaam 784028, India
| | - Ashim Jyoti Thakur
- Department of Chemical Sciences, Tezpur University, Napaam 784028, India
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6
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Xiong W, Wang Y, Yang X, Liu WH. Selective Hydrolysis of Primary and Secondary Amides Enabled by Visible Light. Org Lett 2023; 25:2948-2952. [PMID: 36853098 DOI: 10.1021/acs.orglett.3c00354] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Amide hydrolysis is a fundamentally important transformation in organic chemistry. Developing hydrolysis procedures under mild conditions with a broad substrate scope is desirable. Herein, by leveraging a photoresponsive auxiliary o-nitroanilide, we established a mild two-step protocol for the hydrolysis of primary and secondary amides. This protocol is driven by visible light irradiation at room temperature under neutral conditions, which tolerates numerous acid- and base-sensitive functional groups. Various drugs, natural product-, and amino acid-derived amides can be selectively hydrolyzed.
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Affiliation(s)
- Wenzhang Xiong
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Yichun Wang
- College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang, Liaoning 110034, China
| | - Xiaobo Yang
- College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang, Liaoning 110034, China
| | - Wenbo H Liu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
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7
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Li Y, Li Y, Fei H, Kong R, Yu Z, He L. Synthesis of 3-(2-oxopropyl)-2-arylisoindolinone derivatives via a three-component reaction of diaryliodonium salts with 2-formylbenzonitriles and phenylacetylenes. JOURNAL OF CHEMICAL RESEARCH 2022. [DOI: 10.1177/17475198211063799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
A copper-catalyzed multicomponent cascade cyclization using readily available substrates, including 2-formylbenzonitriles, phenylacetylenes, and diaryliodonium salts, is achieved. A broad reaction scope is presented with good functional group compatibility, giving rise to a range of 3-(2-oxopropyl)-2-arylisoindolinones in moderate to good yields.
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Affiliation(s)
- Yang Li
- School of Pharmaceutical Engineering, Jiangsu Food and Pharmaceutical Science College, Huai’an, P.R. China
| | - Yuan Li
- School of Pharmaceutical Engineering, Jiangsu Food and Pharmaceutical Science College, Huai’an, P.R. China
| | - Haiyang Fei
- School of Pharmaceutical Engineering, Jiangsu Food and Pharmaceutical Science College, Huai’an, P.R. China
| | - Ruiping Kong
- School of Pharmaceutical Engineering, Jiangsu Food and Pharmaceutical Science College, Huai’an, P.R. China
| | - Zhenzhong Yu
- School of Pharmaceutical Engineering, Jiangsu Food and Pharmaceutical Science College, Huai’an, P.R. China
| | - Liu He
- School of Pharmaceutical Engineering, Jiangsu Food and Pharmaceutical Science College, Huai’an, P.R. China
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8
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Samanta RK, Meher P, Murarka S. Visible Light Photoredox-Catalyzed Direct C-H Arylation of Quinoxalin-2(1 H)-ones with Diaryliodonium Salts. J Org Chem 2022; 87:10947-10957. [PMID: 35925769 DOI: 10.1021/acs.joc.2c01234] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A photoredox-catalyzed direct arylation of quinoxalin-2-(1H)-ones using diaryliodonium triflates as the convenient, stable, and cheap aryl source is described. A broad variety of quinoxalin-2-(1H)-ones are shown to react with structurally and electronically diverse diaryliodonium triflates, allowing efficient access to a wide variety of pharmaceutically important 3-arylquinoxalin-2-(1H)-ones. The presented method is attractive with regard to operational simplicity, mild conditions, broad scope, scalability, and high functional group tolerance.
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Affiliation(s)
- Raj K Samanta
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Rajasthan 342037, India
| | - Prahallad Meher
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Rajasthan 342037, India
| | - Sandip Murarka
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Rajasthan 342037, India
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9
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Katagiri K, Kuriyama M, Yamamoto K, Demizu Y, Onomura O. Organocatalytic Synthesis of Phenols from Diaryliodonium Salts with Water under Metal-Free Conditions. Org Lett 2022; 24:5149-5154. [PMID: 35822911 DOI: 10.1021/acs.orglett.2c01989] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The metal-free synthesis of phenols from diaryliodonium salts with water was developed by using N-benzylpyridin-2-one as an organocatalyst. In this process, sterically congested, functionalized, and heterocycle-containing iodonium salts were smoothly converted to the desired products, and the clofibrate and mecloqualone derivatives were also synthesized in high yields. In addition, the gram-scale experiment was successfully carried out with 10 mmol of a sterically congested substrate.
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Affiliation(s)
- Kotone Katagiri
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Masami Kuriyama
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Kosuke Yamamoto
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Yosuke Demizu
- Division of Organic Chemistry, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki, Kanagawa 210-9501, Japan
| | - Osamu Onomura
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
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10
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Jiang J, Song S, Guo J, Zhou J, Li J. Mechanically induced transition metal free C(sp)-H arylation of quinoxalin(on)es with diaryliodonium salts and piezoelectric BaTiO3. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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11
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Peng H, Liu Q, Sun Y, Luo B, Yu T, Huang P, Zhu D, Wen S. Tandem cyclization/arylation of diaryliodoniums via in situ constructed benzoxazole as a directing group for atom-economical transformation. Org Chem Front 2022. [DOI: 10.1039/d1qo01463c] [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
Linear diaryliodoniums often undergo only single arylation and leave equivalent aryl iodide as waste.
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Affiliation(s)
- Hui Peng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng East Road, Guangzhou 510060, People's Republic of China
| | - Qian Liu
- School of Pharmacy, Guangdong Pharmaceutical University, 280 Waihuan East Road, Guangzhou 510006, People's Republic of China
| | - Yameng Sun
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng East Road, Guangzhou 510060, People's Republic of China
| | - Bingling Luo
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng East Road, Guangzhou 510060, People's Republic of China
| | - Tianyian Yu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng East Road, Guangzhou 510060, People's Republic of China
| | - Peng Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng East Road, Guangzhou 510060, People's Republic of China
| | - Daqian Zhu
- School of Pharmacy, Guangdong Pharmaceutical University, 280 Waihuan East Road, Guangzhou 510006, People's Republic of China
| | - Shijun Wen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng East Road, Guangzhou 510060, People's Republic of China
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12
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Kikushima K, Elboray EE, Jimenez-Halla JOC, Solorio-Alvarado CR, Dohi T. Diaryliodonium(III) Salts in One-Pot Double Functionalization of C–IIII and ortho C–H Bonds. Org Biomol Chem 2022; 20:3231-3248. [DOI: 10.1039/d1ob02501e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Since the 1950s, diaryliodonium(III) salts have been demonstrated to participate in various arylation reactions, forming aryl–heteroatom and aryl–carbon bonds. Incorporating the arylation step into sequential transformations would provide access to...
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13
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Wang S, Yang J, Li D, Yang J. Copper‐Catalyzed Cascade N‐Dealkylation/N‐Methyl Oxidation of Aromatic Amines by Using TEMPO and Oxygen as Oxidants. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shihaozhi Wang
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering College of Chemistry and Chemical Engineering Ningxia University Yinchuan 750021 China
| | - Jiale Yang
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering College of Chemistry and Chemical Engineering Ningxia University Yinchuan 750021 China
| | - Dianjun Li
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering College of Chemistry and Chemical Engineering Ningxia University Yinchuan 750021 China
| | - Jinhui Yang
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering College of Chemistry and Chemical Engineering Ningxia University Yinchuan 750021 China
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14
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Shibata K, Takao KI, Ogura A. Diaryliodonium Salt-Based Synthesis of N-Alkoxyindolines and Further Insights into the Ishikawa Indole Synthesis. J Org Chem 2021; 86:10067-10087. [PMID: 34197104 DOI: 10.1021/acs.joc.1c00820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A diaryliodonium salt-based strategy enabled the first systematic synthesis of rarely accessible N-alkoxyindolines. Mechanistic analyses suggested that the reaction likely involves reductive elimination of iodobenzene from iodaoxazepine via a four-membered transition state, followed by Meisenheimer rearrangement. Substrates with N-carbamate protection afforded indole in a manner similar to that of the Ishikawa indole synthesis. Preinstallation of a stannyl group as an iodonium salt precursor greatly expanded the substrate scope, and further mechanistic insights are discussed.
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Affiliation(s)
- Kouhei Shibata
- Department of Applied Chemistry, Keio University, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Ken-Ichi Takao
- Department of Applied Chemistry, Keio University, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Akihiro Ogura
- Department of Applied Chemistry, Keio University, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
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15
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Liu C, Song L, Van Meervelt L, Van der Eycken EV. Rapid construction of C4-substituted phenanthridinones through palladium-catalyzed domino N-arylation/aryl-aryl coupling process. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Parida SK, Jaiswal S, Singh P, Murarka S. Multicomponent Synthesis of Biologically Relevant S-Aryl Dithiocarbamates Using Diaryliodonium Salts. Org Lett 2021; 23:6401-6406. [PMID: 34319121 DOI: 10.1021/acs.orglett.1c02220] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A transition-metal-free one-pot three-component annulation between diaryliodonium triflates, cyclic and acyclic aliphatic amines, and carbon disulfide providing a convenient and efficient access to biologically relevant S-aryl dithiocarbamates is developed. The reaction does not require metal, base, or any other additive and operates under mild and ambient conditions. This methodology is robust, scalable, and exhibits a broad substrate scope. The in silico analysis revealed that the majority of the compounds have a drug-likeness and good ADMET characteristics.
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Affiliation(s)
- Sushanta K Parida
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar 342037, Rajasthan, India
| | - Sonal Jaiswal
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Karwar 342037, Rajasthan, India
| | - Priyanka Singh
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Karwar 342037, Rajasthan, India
| | - Sandip Murarka
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar 342037, Rajasthan, India
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17
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Lovato K, Bhakta U, Ng YP, Kürti L. O-Cyclopropyl hydroxylamines: gram-scale synthesis and utility as precursors for N-heterocycles. Org Biomol Chem 2021; 18:3281-3287. [PMID: 32319502 DOI: 10.1039/d0ob00611d] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
O-Cyclopropyl hydroxylamines, now accessible via a novel and scalable synthetic route, have been demonstrated to be bench-stable and practical precursors for the synthesis of N-heterocycles via a di-heteroatom [3,3]-sigmatropic rearrangement. In order to study the reactivity of these compounds in depth, a robust synthesis of both ring-substituted and ring-unsubstituted O-cyclopropyl hydroxylamines has been developed. Metal-free conditions for the facile N-arylation of these precursors were also identified. It was found that the N-arylated O-cyclopropyl hydroxamates can efficiently undergo a one-pot [3,3]-sigmatropic rearrangement/cyclization/rearomatization cascade under base-mediated conditions to furnish a structurally diverse set of substituted tetrahydroquinolines.
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Affiliation(s)
- Kaitlyn Lovato
- Department of Chemistry, Rice University, Bioscience Research Collaborative Houston, TX 77005, USA.
| | - Urmibhusan Bhakta
- Department of Chemistry, Rice University, Bioscience Research Collaborative Houston, TX 77005, USA.
| | - Yi Pin Ng
- Division of Chemistry and Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, 639798, Singapore
| | - László Kürti
- Department of Chemistry, Rice University, Bioscience Research Collaborative Houston, TX 77005, USA.
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18
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Besson T, Fruit C. Recent Advances in Transition-Metal-Free Late-Stage C-H and N-H Arylation of Heteroarenes Using Diaryliodonium Salts. Pharmaceuticals (Basel) 2021; 14:661. [PMID: 34358087 PMCID: PMC8308686 DOI: 10.3390/ph14070661] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 12/21/2022] Open
Abstract
Transition-metal-free direct arylation of C-H or N-H bonds is one of the key emerging methodologies that is currently attracting tremendous attention. Diaryliodonium salts serve as a stepping stone on the way to alternative environmentally friendly and straightforward pathways for the construction of C-C and C-heteroatom bonds. In this review, we emphasize the recent synthetic advances of late-stage C(sp2)-N and C(sp2)-C(sp2) bond-forming reactions under metal-free conditions using diaryliodonium salts as arylating reagent and its applications to the synthesis of new arylated bioactive heterocyclic compounds.
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Affiliation(s)
| | - Corinne Fruit
- Normandie University, UNIROUEN, INSA Rouen, CNRS, COBRA UMR 6014, F-76000 Rouen, France;
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19
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Chen Y, Huang Z, Jiang Y, Shu S, Yang S, Shi DQ, Zhao Y. Direct para-Selective C-H Amination of Iodobenzenes: Highly Efficient Approach for the Synthesis of Diarylamines. J Org Chem 2021; 86:8226-8235. [PMID: 34080879 DOI: 10.1021/acs.joc.1c00681] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Iodine(III)-mediated synthesis of 4-iodo-N-phenylaniline from iodobenzene has been achieved, and the reaction can proceed under mild conditions. A variety of functional groups were well tolerated, providing the corresponding products in moderate to good yields. The remaining iodine group provides an effective platform for converting the products into several valuable asymmetric diphenylamines. Most importantly, this reaction can be easily scaled up to the ten-gram scale, highlighting its synthetic utility. The mechanistic study revealed that the in situ generated aryl hypervalent iodine intermediate is the key factor to realize this para-selective C-H amination reaction.
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Affiliation(s)
- Yujie Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Zhibin Huang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Yaqiqi Jiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Sai Shu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Shan Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Da-Qing Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Henan 453007, China
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20
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Soldatova NS, Semenov AV, Geyl KK, Baykov SV, Shetnev AA, Konstantinova AS, Korsakov MM, Yusubov MS, Postnikov PS. Copper‐Catalyzed Selective N‐Arylation of Oxadiazolones by Diaryliodonium Salts. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100426] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Natalia S. Soldatova
- Institute of Chemistry Saint Petersburg State University Saint Petersburg 199034 Russian Federation
- Research School of Chemistry and Applied Biomedical Sciences Tomsk Polytechnic University Tomsk 634034 Russian Federation
| | - Artem V. Semenov
- M.V. Lomonosov Institute of Fine Chemical Technologies MIREA – Russian Technological University 86 Vernadskogo Pr Moscow 119571 Russian Federation
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry 16/10 Miklukho-Maklaya St. Moscow 117997 Russian Federation
| | - Kirill K. Geyl
- Institute of Chemistry Saint Petersburg State University Saint Petersburg 199034 Russian Federation
| | - Sergey V. Baykov
- Institute of Chemistry Saint Petersburg State University Saint Petersburg 199034 Russian Federation
| | - Anton A. Shetnev
- Pharmaceutical Technology Transfer Centre Yaroslavl State Pedagogical University named after K.D. Ushinsky 108 Respublikanskaya St. Yaroslavl 150000 Russian Federation
| | - Anna S. Konstantinova
- Russian State University named after A.N. Kosygin (Technology. Design. Art) 33 Sadovnicheskaya St. Moscow 117997 Russian Federation
| | - Mikhail M. Korsakov
- Russian State University named after A.N. Kosygin (Technology. Design. Art) 33 Sadovnicheskaya St. Moscow 117997 Russian Federation
| | - Mekhman S. Yusubov
- Research School of Chemistry and Applied Biomedical Sciences Tomsk Polytechnic University Tomsk 634034 Russian Federation
| | - Pavel S. Postnikov
- Research School of Chemistry and Applied Biomedical Sciences Tomsk Polytechnic University Tomsk 634034 Russian Federation
- Department of Solid State Engineering Institute of Chemical Technology Prague 16628 Czech Republic
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21
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Sallio R, Payard PA, Pakulski P, Diachenko I, Fabre I, Berteina-Raboin S, Colas C, Ciofini I, Grimaud L, Gillaizeau I. Copper-catalyzed transformation of alkyl nitriles to N-arylacetamide using diaryliodonium salts. RSC Adv 2021; 11:15885-15889. [PMID: 35481165 PMCID: PMC9036411 DOI: 10.1039/d1ra02305e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 04/15/2021] [Indexed: 12/31/2022] Open
Abstract
This work reports a simple and efficient method for the copper-catalyzed redox-neutral transformation of alkyl nitriles using eco-friendly diaryliodonium salts and leading to N-arylacetamides. The method features high efficiency, broad substrate scope and good functional group tolerance.
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Affiliation(s)
- Romain Sallio
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d'Orléans rue de Chartres 45100 Orléans France
| | - Pierre-Adrien Payard
- Laboratoire des Biomolécules, LBM, Département de chimie, École normale supérieure, PSL University, Sorbonne Université, CNRS 75005 Paris France
| | - Paweł Pakulski
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d'Orléans rue de Chartres 45100 Orléans France
| | - Iryna Diachenko
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d'Orléans rue de Chartres 45100 Orléans France
| | - Indira Fabre
- Laboratoire des Biomolécules, LBM, Département de chimie, École normale supérieure, PSL University, Sorbonne Université, CNRS 75005 Paris France
| | - Sabine Berteina-Raboin
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d'Orléans rue de Chartres 45100 Orléans France
| | - Cyril Colas
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d'Orléans rue de Chartres 45100 Orléans France
| | - Ilaria Ciofini
- Institute of Chemistry for Health and Life Sciences, I-CLeHS, Chimie ParisTech, PSL University, CNRS 75005 Paris France
| | - Laurence Grimaud
- Laboratoire des Biomolécules, LBM, Département de chimie, École normale supérieure, PSL University, Sorbonne Université, CNRS 75005 Paris France
| | - Isabelle Gillaizeau
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d'Orléans rue de Chartres 45100 Orléans France
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22
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Shimbo D, Maruyama T, Tada N, Itoh A. N-Alkenylation of hydroxamic acid derivatives with ethynyl benziodoxolone to synthesize cis-enamides through vinyl benziodoxolones. Org Biomol Chem 2021; 19:2442-2447. [PMID: 33666207 DOI: 10.1039/d1ob00055a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The stereoselective synthesis of cis-β-N-alkoxyamidevinyl benziodoxolones (cis-β-N-RO-amide-VBXs) from O-alkyl hydroxamic acids in the presence of an ethynyl benziodoxolone-acetonitrile complex (EBX-MeCN) is reported herein. The reaction was performed under mild conditions including an aqueous solvent, a mild base, and room temperature. The reaction tolerated various O-alkyl hydroxamic acids derived from carboxylic acids, such as amino acids, pharmaceuticals, and natural products. Vinyl dideuterated cis-β-N-MeO-amide-VBXs were also synthesized using deuterium oxide as the deuterium source. Valine-derived cis-β-N-MeO-amide-VBX was stereospecifically derivatized to hydroxamic acid-derived cis-enamides without the loss of stereoselectivity or reduction in the deuterium/hydrogen ratio.
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Affiliation(s)
- Daisuke Shimbo
- Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan.
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23
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Nucleophilic Aromatic Substitution of Polyfluoroarene to Access Highly Functionalized 10-Phenylphenothiazine Derivatives. Molecules 2021; 26:molecules26051365. [PMID: 33806360 PMCID: PMC7962002 DOI: 10.3390/molecules26051365] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 02/24/2021] [Accepted: 02/25/2021] [Indexed: 11/29/2022] Open
Abstract
Nucleophilic aromatic substitution (SNAr) reactions can provide metal-free access to synthesize monosubstituted aromatic compounds. We developed efficient SNAr conditions for p-selective substitution of polyfluoroarenes with phenothiazine in the presence of a mild base to afford the corresponding 10-phenylphenothiazine (PTH) derivatives. The resulting polyfluoroarene-bearing PTH derivatives were subjected to a second SNAr reaction to generate highly functionalized PTH derivatives with potential applicability as photocatalysts for the reduction of carbon–halogen bonds.
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24
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Yang P, Wang X, Wang L, He J, Zhang Q, Li D. Oxidative cross-dehydrogenative coupling between iodoarenes and acylanilides for C–N bond formation under metal-free conditions. Org Chem Front 2021. [DOI: 10.1039/d1qo00225b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A metal-free oxidative cross-dehydrogenative coupling between iodoarenes and acylanilides was developed. It gave highly para-selectivie C–N coupling products with the retention of iodine atom which enables further transformations.
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Affiliation(s)
- Peng Yang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Xia Wang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Liang Wang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Jiahua He
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Qian Zhang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
| | - Dong Li
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
- Hubei Key Laboratory of Drug Synthesis and Optimization
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25
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Abha Saikia R, Barman D, Dutta A, Jyoti Thakur A. N
1
‐ and
N
3
‐Arylations of Hydantoins Employing Diaryliodonium Salts
via
Copper(I) Catalysis at Room Temperature. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001353] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Raktim Abha Saikia
- Department of Chemical Sciences Tezpur University Napaam-784028 Assam India
| | - Dhiraj Barman
- Department of Chemical Sciences Tezpur University Napaam-784028 Assam India
- Department of Chemistry Shiv Nadar University Greater Noida-201314 Uttar Pradesh India
| | - Anurag Dutta
- Department of Chemical Sciences Tezpur University Napaam-784028 Assam India
| | - Ashim Jyoti Thakur
- Department of Chemical Sciences Tezpur University Napaam-784028 Assam India
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26
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Zaheer MK, Vaishanv NK, Kant R, Mohanan K. Utilization of Unsymmetric Diaryliodonium Salts in α-Arylation of α-Fluoroacetoacetamides. Chem Asian J 2020; 15:4297-4301. [PMID: 33180366 DOI: 10.1002/asia.202001160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/03/2020] [Indexed: 11/10/2022]
Abstract
The use of unsymmetric diaryliodonium salts as a versatile class of arylating agents has been demonstrated by developing a novel strategy to quickly access α-arylated α-fluoroacetoacetamides. The protocol provides a convenient metal-free method for the α-arylation of a diverse class of fluorinated acetoacetamides, and the products are obtained in good yields. The strategy, upon use of electron-deficient diaryliodonium salts as an arylating agent, provides α-fluoroacetamides through a spontaneous arylation/deacylation cascade.
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Affiliation(s)
- Mohd Khalid Zaheer
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Narendra Kumar Vaishanv
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Ruchir Kant
- Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Kishor Mohanan
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India.,Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
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27
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Affiliation(s)
- Carlotta Raviola
- PhotoGreen Lab University of Pavia Viale Taramelli 10 27100 Pavia Italy
| | - Stefano Protti
- PhotoGreen Lab University of Pavia Viale Taramelli 10 27100 Pavia Italy
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28
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Kuriyama M, Hanazawa N, Abe Y, Katagiri K, Ono S, Yamamoto K, Onomura O. N- and O-arylation of pyridin-2-ones with diaryliodonium salts: base-dependent orthogonal selectivity under metal-free conditions. Chem Sci 2020; 11:8295-8300. [PMID: 34123094 PMCID: PMC8163315 DOI: 10.1039/d0sc02516j] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Metal-free N- and O-arylation reactions of pyridin-2-ones as ambident nucleophiles have been achieved with diaryliodonium salts on the basis of base-dependent chemoselectivity. In the presence of N,N-diethylaniline in fluorobenzene, pyridin-2-ones were very selectively converted to N-arylated products in high yields. On the other hand, the O-arylation reactions smoothly proceeded with the use of quinoline in chlorobenzene, leading to high yields and selectivities. In these methods, a variety of pyridin-2-ones in addition to pyridin-4-one and a set of diaryliodonium salts were accepted as suitable reaction partners.
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Affiliation(s)
- Masami Kuriyama
- Graduate School of Biomedical Sciences, Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - Natsumi Hanazawa
- Graduate School of Biomedical Sciences, Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - Yusuke Abe
- Graduate School of Biomedical Sciences, Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - Kotone Katagiri
- Graduate School of Biomedical Sciences, Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - Shimpei Ono
- Graduate School of Biomedical Sciences, Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - Kosuke Yamamoto
- Graduate School of Biomedical Sciences, Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
| | - Osamu Onomura
- Graduate School of Biomedical Sciences, Nagasaki University 1-14 Bunkyo-machi Nagasaki 852-8521 Japan
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29
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Cai R, Zhu L, Wang P, Zhao Y. Bimetallic Catalyzed N-arylation Used in Synthesis of Novel β-carbolines Derivatives. LETT DRUG DES DISCOV 2020. [DOI: 10.2174/1570180815666181025124615] [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
Background:
Natural occurring β-Carbolines alkaloids are abundant in the plant kingdom
or other organisms, and they were found to possess good antitumor activity through multiple
mechanisms. Based on previous summarized SARs of β-carboline derivatives, the modification on
pyridine ring would have a great impact on their antitumor activities. Therefore, we plan to synthesized
arylated β-carboline-3-amides to find more valuable β-Carbolines derivatives.
Methods:
A novel bimetallic Pd(OAc)2/AgOAc catalyst system was developed for the amidation of
aryl iodides under acid condition. A series of N-arylated β-carbolines derivatives were synthesized
using this method. The structures of these compounds were confirmed by 1H NMR, 13C NMR and
HRMS, and their in vitro antiproliferative activity was investigated against HepG2 and Hela tumor
cell lines by MTT assay.
Results:
Eleven N-arylated β-carboline-3-amides were synthesized using this bimetallic catalyzed
method in 58-98% yields. These synthesized N-arylated compounds showed no antiproliferative
activity at 20 μM.
Conclusion:
We have discovered an efficient and bimetallic catalytic system allowing the Narylation
of secondary acyclic amides. This is the first report that N-arylation of aliphatic secondary
acyclic amides under acid condition.
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Affiliation(s)
- Rui Cai
- School of Pharmacy, Nantong University, Nantong 226001, China
| | - Li Zhu
- School of Pharmacy, Nantong University, Nantong 226001, China
| | - Pengfei Wang
- School of Pharmacy, Nantong University, Nantong 226001, China
| | - Yu Zhao
- School of Pharmacy, Nantong University, Nantong 226001, China
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30
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Deng R, Zhan S, Li C, Gu Z. Hypervalent‐Iodine‐Mediated Carbon–Carbon Bond Cleavage and Dearomatization of 9
H
‐Fluoren‐9‐ols. Angew Chem Int Ed Engl 2020; 59:3093-3098. [DOI: 10.1002/anie.201913373] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 11/23/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Ruixian Deng
- Department of ChemistryCenter for Excellence in Molecular SynthesisHefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Shuming Zhan
- Department of ChemistryCenter for Excellence in Molecular SynthesisHefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Chunyu Li
- Department of ChemistryCenter for Excellence in Molecular SynthesisHefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Zhenhua Gu
- Department of ChemistryCenter for Excellence in Molecular SynthesisHefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
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31
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Deng R, Zhan S, Li C, Gu Z. Hypervalent‐Iodine‐Mediated Carbon–Carbon Bond Cleavage and Dearomatization of 9
H
‐Fluoren‐9‐ols. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913373] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Ruixian Deng
- Department of Chemistry Center for Excellence in Molecular Synthesis Hefei National Laboratory for Physical Sciences at the Microscale University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Shuming Zhan
- Department of Chemistry Center for Excellence in Molecular Synthesis Hefei National Laboratory for Physical Sciences at the Microscale University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Chunyu Li
- Department of Chemistry Center for Excellence in Molecular Synthesis Hefei National Laboratory for Physical Sciences at the Microscale University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
| | - Zhenhua Gu
- Department of Chemistry Center for Excellence in Molecular Synthesis Hefei National Laboratory for Physical Sciences at the Microscale University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 China
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32
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Zaheer MK, Gupta E, Kant R, Mohanan K. Metal-free α-arylation of α-fluoro-α-nitroacetamides employing diaryliodonium salts. Chem Commun (Camb) 2019; 56:153-156. [PMID: 31799974 DOI: 10.1039/c9cc07859b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we present a mild and efficient metal-free arylation of α-fluoro-α-nitroacetamides employing diaryliodonium salts. A broad range of diaryliodonium salts and α-fluoro-α-nitroacetamides containing sensitive functional groups was successfully employed in this protocol to yield the arylated products in good yields. The synthetic value of this novel protocol was further highlighted by extending the α-arylation to α-cyano-α-fluoroacetamides.
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Affiliation(s)
- Mohd Khalid Zaheer
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India.
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33
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Maiti S, Kim J, Park JH, Nam D, Lee JB, Kim YJ, Kee JM, Seo JK, Myung K, Rohde JU, Choe W, Kwon OH, Hong SY. Chemoselective Trifluoroethylation Reactions of Quinazolinones and Identification of Photostability. J Org Chem 2019; 84:6737-6751. [DOI: 10.1021/acs.joc.9b00470] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Saikat Maiti
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
- Center for Genomic Integrity (CGI), Institute for Basic Science (IBS), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Jaeshin Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Jae-Heon Park
- Center for Soft and Living Matter, IBS, 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | | | - Jae Bin Lee
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Ye-Jin Kim
- Center for Soft and Living Matter, IBS, 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | | | | | - Kyungjae Myung
- Center for Genomic Integrity (CGI), Institute for Basic Science (IBS), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | | | | | - Oh-Hoon Kwon
- Center for Soft and Living Matter, IBS, 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Sung You Hong
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
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34
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Koseki D, Aoto E, Shoji T, Watanabe K, In Y, Kita Y, Dohi T. Efficient N-arylation of azole compounds utilizing selective aryl-transfer TMP-iodonium(III) reagents. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.04.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Li J, Wang Z, Lu X, Lin J, Liu L, Zhao Y. Transition Metal-free Trifluoroethoxylation of Diaryliodonium Salts and Fluoro Alcohols. LETT ORG CHEM 2019. [DOI: 10.2174/1570178615666181108111232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A method for the synthesis of aryl trifluoroethyl ethers from fluoroalcohols and diaryliodonium
salts in the presence of NaH and warm 1,2-dichloroethane has been developed. This transition
metal free reaction is mild and facile. Various functional group including electron-withdrawing and
electron-donating substrates in the diaryliodonium salts were tolerated in this transformation to afford
the products in moderate to high yields.
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Affiliation(s)
- Jian Li
- School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China
| | - Zhengbing Wang
- School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China
| | - Xuechen Lu
- School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China
| | - Jing Lin
- School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China
| | - Li Liu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou 213164, China
| | - Yue Zhao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
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36
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Tian ZY, Ming XX, Teng HB, Hu YT, Zhang CP. Transition-Metal-Free N-Arylation of Amines by Triarylsulfonium Triflates. Chemistry 2018; 24:13744-13748. [PMID: 29979482 DOI: 10.1002/chem.201802269] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Indexed: 01/22/2023]
Abstract
A simple and efficient method for transition-metal-free N-arylation of various amines by triarylsulfonium triflates is described. Both aliphatic and aromatic amines were smoothly converted at 80 °C in the presence of tBuOK or KOH to give the corresponding mono N-arylated products in good to high yields. The molar ratios of the reactants and the choice of bases had a big effect on the reaction. When a large excess of [Ph3 S][OTf] and tBuOK were employed for primary amines under the standard conditions, the bis(N-phenyl) products were predominantly formed. This method was also applicable to the synthesis of bioactive N-phenyl amino acid derivatives. The control experiments, the deuterium labelling study, and the presence of regioisomers of N-arylated products when using 4-substituted triarylsulfonium triflates suggested that the reaction might proceed through an aryne intermediate. The present protocol demonstrated that triarylsulfonium salts are versatile arylation reagents in the construction of CAr -N bonds.
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Affiliation(s)
- Ze-Yu Tian
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, 430070, Wuhan, China
| | - Xiao-Xia Ming
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, 430070, Wuhan, China
| | - Han-Bing Teng
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, 430070, Wuhan, China
| | - Yu-Tian Hu
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, 430070, Wuhan, China
| | - Cheng-Pan Zhang
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, 430070, Wuhan, China
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37
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Lucchetti N, Scalone M, Fantasia S, Muñiz K. Sterically Congested 2,6-Disubstituted Anilines from Direct C-N Bond Formation at an Iodine(III) Center. Angew Chem Int Ed Engl 2018; 55:13335-13339. [PMID: 27651117 PMCID: PMC5113687 DOI: 10.1002/anie.201606599] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Indexed: 12/12/2022]
Abstract
2,6‐Disubstituted anilines are readily prepared from the direct reaction between amides and diaryliodonium salts. As demonstrated for 24 different examples, the reaction is of unusually broad scope with respect to the sterically congested arene and the nitrogen source, occurs without the requirement for any additional promoter, and proceeds through a direct reductive elimination at the iodine(III) center. The efficiency of the coupling procedure is further demonstrated within the short synthesis of a chemerin binding inhibitor.
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Affiliation(s)
- Nicola Lucchetti
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Michelangelo Scalone
- F. Hoffmann-La Roche Ltd, Process Research & Development, Grenzacherstrasse 124, 4070, Basel, Switzerland
| | - Serena Fantasia
- F. Hoffmann-La Roche Ltd, Process Research & Development, Grenzacherstrasse 124, 4070, Basel, Switzerland
| | - Kilian Muñiz
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain. .,ICREA, Pg. Lluís Companys 23, 08010, Barcelona, Spain.
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38
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Wang M, Chen S, Jiang X. Atom-Economical Applications of Diaryliodonium Salts. Chem Asian J 2018; 13:2195-2207. [DOI: 10.1002/asia.201800609] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 06/13/2018] [Indexed: 12/23/2022]
Affiliation(s)
- Ming Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 P. R. China
| | - Shihao Chen
- Shanghai Key Laboratory of Green Chemistry and Chemical Process; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 P. R. China
| | - Xuefeng Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process; School of Chemistry and Molecular Engineering; East China Normal University; 3663 North Zhongshan Road Shanghai 200062 P. R. China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P. R. China
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39
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Purkait N, Kervefors G, Linde E, Olofsson B. Regiospecific N-Arylation of Aliphatic Amines under Mild and Metal-Free Reaction Conditions. Angew Chem Int Ed Engl 2018; 57:11427-11431. [PMID: 29956877 PMCID: PMC6120470 DOI: 10.1002/anie.201807001] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Indexed: 01/25/2023]
Abstract
A transition metal‐free N‐arylation of primary and secondary amines with diaryliodonium salts is presented. Both acyclic and cyclic amines are well tolerated, providing a large set of N‐alkyl anilines. The methodology is unprecedented among metal‐free methods in terms of amine scope, the ability to transfer both electron‐withdrawing and electron‐donating aryl groups, and efficient use of resources, as excess substrate or reagents are not required.
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Affiliation(s)
- Nibadita Purkait
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Gabriella Kervefors
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Erika Linde
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Berit Olofsson
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
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40
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Purkait N, Kervefors G, Linde E, Olofsson B. Regiospecific N-Arylation of Aliphatic Amines under Mild and Metal-Free Reaction Conditions. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201807001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Nibadita Purkait
- Department of Organic Chemistry; Arrhenius Laboratory; Stockholm University 10691 Stockholm Sweden
| | - Gabriella Kervefors
- Department of Organic Chemistry; Arrhenius Laboratory; Stockholm University 10691 Stockholm Sweden
| | - Erika Linde
- Department of Organic Chemistry; Arrhenius Laboratory; Stockholm University 10691 Stockholm Sweden
| | - Berit Olofsson
- Department of Organic Chemistry; Arrhenius Laboratory; Stockholm University 10691 Stockholm Sweden
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41
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Kervefors G, Becker A, Dey C, Olofsson B. Metal-free formal synthesis of phenoxazine. Beilstein J Org Chem 2018; 14:1491-1497. [PMID: 30013676 PMCID: PMC6036965 DOI: 10.3762/bjoc.14.126] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 06/06/2018] [Indexed: 12/16/2022] Open
Abstract
A transition metal-free formal synthesis of phenoxazine is presented. The key step of the sequence is a high-yielding O-arylation of a phenol with an unsymmetrical diaryliodonium salt to provide an ortho-disubstituted diaryl ether. This species was cyclized to acetylphenoxazine in moderate yield. The overall yield in the three-step sequence is 72% based on recovered diaryl ether. An interesting, unusually stable iodine(III) intermediate in the O-arylation was observed by NMR and could be converted to the product upon longer reaction time.
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Affiliation(s)
- Gabriella Kervefors
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106-91 Stockholm, Sweden
| | - Antonia Becker
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106-91 Stockholm, Sweden
| | - Chandan Dey
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106-91 Stockholm, Sweden
| | - Berit Olofsson
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106-91 Stockholm, Sweden
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42
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Singh FV, Kole PB, Mangaonkar SR, Shetgaonkar SE. Synthesis of spirocyclic scaffolds using hypervalent iodine reagents. Beilstein J Org Chem 2018; 14:1778-1805. [PMID: 30112083 PMCID: PMC6071689 DOI: 10.3762/bjoc.14.152] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 06/18/2018] [Indexed: 01/13/2023] Open
Abstract
Hypervalent iodine reagents have been developed as highly valuable reagents in synthetic organic chemistry during the past few decades. These reagents have been identified as key replacements of various toxic heavy metals in organic synthesis. Various synthetically and biologically important scaffolds have been developed using hypervalent iodine reagents either in stoichiometric or catalytic amounts. In addition, hypervalent iodine reagents have been employed for the synthesis of spirocyclic scaffolds via dearomatization processes. In this review, various approaches for the synthesis of spirocyclic scaffolds using hypervalent iodine reagents are covered including their stereoselective synthesis. Additionally, the applications of these reagents in natural product synthesis are also covered.
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Affiliation(s)
- Fateh V Singh
- Chemistry Division, School of Advanced Sciences (SAS), VIT University, Chennai Campus, Chennai-600 127, Tamil Nadu, India
| | - Priyanka B Kole
- Chemistry Division, School of Advanced Sciences (SAS), VIT University, Chennai Campus, Chennai-600 127, Tamil Nadu, India
| | - Saeesh R Mangaonkar
- Chemistry Division, School of Advanced Sciences (SAS), VIT University, Chennai Campus, Chennai-600 127, Tamil Nadu, India
| | - Samata E Shetgaonkar
- Chemistry Division, School of Advanced Sciences (SAS), VIT University, Chennai Campus, Chennai-600 127, Tamil Nadu, India
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43
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Lu N, Huang L, Xie L, Cheng J. Transition-Metal-Free Selective Iodoarylation of Pyrazoles via Heterocyclic Aryliodonium Ylides. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800416] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nannan Lu
- State Key Laboratory of Photocatalysis on Energy and Environment; College of Chemistry; Fuzhou University; 350116 Fuzhou P. R. China
| | - Liangsen Huang
- State Key Laboratory of Photocatalysis on Energy and Environment; College of Chemistry; Fuzhou University; 350116 Fuzhou P. R. China
| | - Lili Xie
- State Key Laboratory of Photocatalysis on Energy and Environment; College of Chemistry; Fuzhou University; 350116 Fuzhou P. R. China
| | - Jiajia Cheng
- State Key Laboratory of Photocatalysis on Energy and Environment; College of Chemistry; Fuzhou University; 350116 Fuzhou P. R. China
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; 350002 Fuzhou Fujian P. R. China
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44
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Xu B, Han J, Wang L. Metal- and Base-Free Direct N-Arylation of Pyridazinones by Using Diaryliodonium Salts: An Anion Effect. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800268] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Bowen Xu
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P. R. China
| | - Jianwei Han
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P. R. China
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis; Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P. R. China
| | - Limin Wang
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P. R. China
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45
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Soldatova N, Postnikov P, Kukurina O, Zhdankin VV, Yoshimura A, Wirth T, Yusubov MS. One-pot synthesis of diaryliodonium salts from arenes and aryl iodides with Oxone-sulfuric acid. Beilstein J Org Chem 2018; 14:849-855. [PMID: 29719579 PMCID: PMC5905280 DOI: 10.3762/bjoc.14.70] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Accepted: 03/27/2018] [Indexed: 11/23/2022] Open
Abstract
A facile synthesis of diaryliodonium salts utilizing Oxone as versatile and cheap oxidant has been developed. This method shows wide applicability and can be used for the preparation of iodonium salts containing electron-donating or electron-withdrawing groups in good yields. In addition, this procedure can be applied to the preparation of symmetric iodonium salts directly from arenes via a one-pot iodination-oxidation sequence.
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Affiliation(s)
| | | | - Olga Kukurina
- The Tomsk Polytechnic University, 634050 Tomsk, Russia
| | - Viktor V Zhdankin
- The Tomsk Polytechnic University, 634050 Tomsk, Russia
- Department of Chemistry and Biochemistry, University of Minnesota, Duluth MN 55812, USA
| | | | - Thomas Wirth
- School of Chemistry, Cardiff University, Park Place, Main Building, Cardiff CF10 3AT, UK
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46
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Li J, Li Y, Wang Z, Bian Y, Bai S, Liu L, Sun J. Lewis Acid-Mediated Room-Temperature Cascade Reaction of 3-Hydroxyisoindolin-1-one with Alkynes. J Org Chem 2018. [PMID: 29537261 DOI: 10.1021/acs.joc.8b00283] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient and mild synthesis of a variety of 3-(2-oxopropyl)-isoindolinone derivatives via a BF3·Et2O catalyzed cascade reaction among 3-hydroxyisoindolin-1-one and phenylacetylene was achieved. Various isoindolinone derivatives were obtained in good to excellent yields. The process, which avoided several drawbacks such as the requirement of concentrated protic acids and metal catalysts, protecting group of nitrogen, high temperature, and multistep synthesis, includes C(sp3)-OH cleavage, C-C coupling, and hydration of alkyne.
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Affiliation(s)
- Jian Li
- School of Pharmaceutical Engineering & Life Sciences , Changzhou University , Changzhou 213164 , China
| | - Yang Li
- School of Pharmaceutical Engineering & Life Sciences , Changzhou University , Changzhou 213164 , China
| | - Zhengbing Wang
- School of Pharmaceutical Engineering & Life Sciences , Changzhou University , Changzhou 213164 , China
| | - Yujia Bian
- School of Pharmaceutical Engineering & Life Sciences , Changzhou University , Changzhou 213164 , China
| | - Shuhua Bai
- School of Pharmaceutical Engineering & Life Sciences , Changzhou University , Changzhou 213164 , China
| | - Li Liu
- School of Petrochemical Engineering , Changzhou University , Changzhou 213164 , China
| | - Jiangtao Sun
- School of Petrochemical Engineering , Changzhou University , Changzhou 213164 , China
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47
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Sun J, Jiang J, Pan H, Li J. Additive-Free Pd-Catalysed C-2 Arylation of Tryptophan Derivatives with Diaryliodonium Salts. JOURNAL OF CHEMICAL RESEARCH 2018. [DOI: 10.3184/174751918x15232701502261] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
An efficient, mild and Pd-catalysed C-2 arylation of Fmoc-L-tryptophan with diaryliodonium salts has been developed, giving easy access to C-2 arylated tryptophan derivatives. This protocol tolerates a variety of functional groups and proceeds smoothly in high yields without any additives. In addition, the chemoseletive C–H arylation with unsymmetrical salts is described.
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Affiliation(s)
- Jian Sun
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Jun Jiang
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Heng Pan
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Jianjun Li
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P.R. China
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P.R. China
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48
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Bugaenko DI, Karchava AV, Yurovskaya MA. Arynes, diaryliodonium salts and azine N-oxides in transition metal-free electrophilic N-arylation. RUSSIAN CHEMICAL REVIEWS 2018. [DOI: 10.1070/rcr4781] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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49
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Das P, Takada M, Matsuzaki K, Saito N, Shibata N. SF 5-Pyridylaryl-λ 3-iodonium salts and their utility as electrophilic reagents to access SF 5-pyridine derivatives in the late-stage of synthesis. Chem Commun (Camb) 2018; 53:3850-3853. [PMID: 28317050 DOI: 10.1039/c7cc01043e] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Electrophilic pentafluorosulfanyl (SF5) heteroarylation of target molecules using novel reagents is described. Unsymmetrical diaryliodonium reagents 1 having 2-SF5-pyridine have been synthesized in good yields. They are efficient electrophilic reagents for carbon and heterocentered nucleophiles, producing the corresponding SF5-pyridine derivatives in good to excellent yields.
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Affiliation(s)
- Prajwalita Das
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan.
| | - Masahiro Takada
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan.
| | - Kohei Matsuzaki
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan.
| | - Norimichi Saito
- Pharmaceutical Division, Ube Industries, Ltd, Seavans North Bldg., 1-2-1 Shibaura, Minato-ku, Tokyo 105-8449, Japan
| | - Norio Shibata
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan.
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50
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Mehra MK, Tantak MP, Arun V, Kumar I, Kumar D. Metal-free regioselective formation of C-N and C-O bonds with the utilization of diaryliodonium salts in water: facile synthesis of N-arylquinolones and aryloxyquinolines. Org Biomol Chem 2018; 15:4956-4961. [PMID: 28567465 DOI: 10.1039/c7ob00940b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Regioselective construction of crucial C-N and C-O bonds leading to N-arylquinolones and aryloxyquinolines has been accomplished by employing easily accessible diaryliodonium salts and quinolones in water under metal- and ligand-free conditions. This operationally simple strategy is significant due to mild reaction conditions, high product yields, recyclability of released iodoarenes and scalability to the gram level. The practical utility of the developed protocol was proved by the arylation of medicinally important heterocycles like acridin-9(10H)-one, 3-methylquinoxalin-2(1H)-one and 1H-benzo[d]imidazol-2(3H)-one.
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Affiliation(s)
- Manish Kumar Mehra
- Department of Chemistry, Birla Institute of Technology and Science, Pilani 333 031, Rajasthan, India.
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