1
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Liu Y, Yuan Y, He J, Han S, Liu Y. Iodophor-/H 2O 2-Mediated 2-Sulfonylation of Indoles and N-Methylpyrrole in Aqueous Phase. Molecules 2024; 29:3564. [PMID: 39124969 PMCID: PMC11314382 DOI: 10.3390/molecules29153564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2024] [Revised: 07/25/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024] Open
Abstract
A convenient and efficient strategy for the preparation of 2-sulfonylindoles has been achieved through iodophor-/H2O2-mediated 2-sulfonylation of indoles with readily available sulfonyl hydrazides in the aqueous phase. Iodophor is commercially available and serves as the green catalyst and aqueous phase. A series of 2-sulfonylated products from indoles and N-methylpyrrole were synthesized in moderate yields in only 10 min. Control experiments were also conducted to reveal the mechanism of action. This method is environment friendly, easy to operate and suitable for a wide range of substrates.
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Affiliation(s)
- Yashuai Liu
- Basic Sciences Department, Shanxi Agricultural University, Jinzhong 030800, China
| | - Yutong Yuan
- The Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832004, China; (J.H.); (S.H.)
| | - Jing He
- The Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832004, China; (J.H.); (S.H.)
| | - Sheng Han
- The Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832004, China; (J.H.); (S.H.)
| | - Yan Liu
- The Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832004, China; (J.H.); (S.H.)
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2
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Bugaenko DI, Malashchenko NA, Kopytov SO, Lukonina NS, Karchava AV. (Indol-3-yl)(DMIX)Iodonium Salts: Novel Electrophilic Indole Reagents. Org Lett 2024; 26:3189-3194. [PMID: 38587312 DOI: 10.1021/acs.orglett.4c00797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
A new umpolung approach to the C3-H functionalization of indoles with diverse nucleophiles based on the intermediate formation of I(III) reagents is described. The 3,5-dimethylisoxazol-4-yl auxiliary allows for selective indole transfer under catalyst-free conditions, which was impossible using previously reported reagents. Combining the mildness of transition-metal-free conditions and the high reactivity of hypervalent iodine reagents, this protocol tolerates various functional groups and provides access to indoles that are difficult to prepare conventionally.
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Affiliation(s)
- Dmitry I Bugaenko
- Department of Chemistry, Moscow State University, Moscow 119991, Russia
| | | | - Sergei O Kopytov
- Department of Chemistry, Moscow State University, Moscow 119991, Russia
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3
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Huang Q, Peng X, Li H, He H, Liu L. Visible-Light-Induced, Graphene Oxide-Promoted C3-Chalcogenylation of Indoles Strategy under Transition-Metal-Free Conditions. Molecules 2022; 27:772. [PMID: 35164036 PMCID: PMC8839487 DOI: 10.3390/molecules27030772] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/16/2022] [Accepted: 01/19/2022] [Indexed: 02/05/2023] Open
Abstract
An efficient and general method for the synthesis of 3-sulfenylindoles and 3-selenylindoles employing visible-light irradiation with graphene oxide as a promoter at room temperature has been achieved. The reaction features are high yields, simple operation, metal-free and iodine-free conditions, an easy-to-handle oxidant, and gram-scalable synthesis. This simple protocol allows one to access a wide range of 3-arylthioindoles, 3-arylselenylindoles, and even 3-thiocyanatoindoles with good to excellent yields.
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Affiliation(s)
- Qing Huang
- Department of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China; (Q.H.); (H.L.)
| | - Xiangjun Peng
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases of Ministry of Education, School of Pharmaceutical Science of Gannan Medical University, Ganzhou 341000, China;
| | - Hong Li
- Department of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China; (Q.H.); (H.L.)
| | - Haiping He
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases of Ministry of Education, School of Pharmaceutical Science of Gannan Medical University, Ganzhou 341000, China;
| | - Liangxian Liu
- Department of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China; (Q.H.); (H.L.)
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4
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Zhang J, Chen J, Zhai Y, Yu J, Pan C. Three‐Component Vicinal Sulfonamination of Alkynes toward 3‐Sulfonylindoles via the Insertion of Sulfur Dioxide. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jie Zhang
- School of Petrochemical Engineering Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology Changzhou University Changzhou 213164 P. R. China
| | - Jian Chen
- Jiangsu LtestingTechnology Co., Ltd. Wuxi 214142 P. R. China
| | - Yongheng Zhai
- Jiangsu LtestingTechnology Co., Ltd. Wuxi 214142 P. R. China
| | - Jin‐Tao Yu
- School of Petrochemical Engineering Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology Changzhou University Changzhou 213164 P. R. China
| | - Changduo Pan
- School of Petrochemical Engineering Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology Changzhou University Changzhou 213164 P. R. China
- School of Chemical and Environmental Engineering Jiangsu University of Technology Changzhou 213001 P. R. China
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5
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Chen Q, Wu C, Zhu J, Li E, Xu Z. Therapeutic potential of indole derivatives as anti-HIV agents: A mini-review. Curr Top Med Chem 2021; 22:993-1008. [PMID: 34636313 DOI: 10.2174/1568026621666211012111901] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/22/2021] [Accepted: 08/28/2021] [Indexed: 11/22/2022]
Abstract
Acquired immunodeficiency syndrome (AIDS), caused by human immunodeficiency virus (HIV), is one of the leading causes of human deaths. The advent of different anti-HIV drugs over different disease progress has made AIDS/HIV from a deadly infection to chronic and manageable disease. However, the development of multidrug-resistant viruses, together with the severe side effects of anti-HIV agents, compromised their efficacy and limited the treatment options. Indoles, the most common frameworks in the bioactive molecules, represent attractive scaffolds for the design and development of novel drugs. Indole derivatives are potential inhibitors of HIV enzymes such as reverse transcriptase, integrase and protease, and some indole-based agents like Delavirdine have already been applied in clinics or under clinical evaluations for the treatment of AIDS/HIV, revealing that indole moiety is a useful template for the development of anti-HIV agents. This review focuses on the recent advancement of indole derivatives including indole alkaloids, hybrids, and dimers with anti-HIV potential, covering articles published between 2010 and 2020. The chemical structures, structure-activity relationship and mechanisms of action are also discussed.
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Affiliation(s)
- Qingtai Chen
- School of Chemistry and Pharmaceutical Engineering, Huanghuai University, Zhumadian, 463000. China
| | - Chongchong Wu
- Department of Chemical and Petroleum Engineering, University of Calgary, T2N 1N4 Calgary, Alberta. Canada
| | - Jinjin Zhu
- School of Biological and Food Processing Engineering, Huanghuai University, Zhumadian, 463000. China
| | - Enzhong Li
- School of Biological and Food Processing Engineering, Huanghuai University, Zhumadian, 463000. China
| | - Zhi Xu
- School of Chemistry and Pharmaceutical Engineering, Huanghuai University, Zhumadian, 463000. China
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6
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Tocco G, Esposito F, Caboni P, Laus A, Beutler JA, Wilson JA, Corona A, Le Grice SFJ, Tramontano E. Scaffold hopping and optimisation of 3',4'-dihydroxyphenyl- containing thienopyrimidinones: synthesis of quinazolinone derivatives as novel allosteric inhibitors of HIV-1 reverse transcriptase-associated ribonuclease H. J Enzyme Inhib Med Chem 2020; 35:1953-1963. [PMID: 33143469 PMCID: PMC7646544 DOI: 10.1080/14756366.2020.1835884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Bioisosteric replacement and scaffold hopping are powerful strategies in drug design useful for rationally modifying a hit compound towards novel lead therapeutic agents. Recently, we reported a series of thienopyrimidinones that compromise dynamics at the p66/p51 HIV-1 reverse transcriptase (RT)-associated Ribonuclease H (RNase H) dimer interface, thereby allosterically interrupting catalysis by altering the active site geometry. Although they exhibited good submicromolar activity, the isosteric replacement of the thiophene ring, a potential toxicophore, is warranted. Thus, in this article, the most active 2-(3,4-dihydroxyphenyl)-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one 1 was selected as the hit scaffold and several isosteric substitutions of the thiophene ring were performed. A novel series of highly active RNase H allosteric quinazolinone inhibitors was thus obtained. To determine their target selectivity, they were tested against RT-associated RNA-dependent DNA polymerase (RDDP) and integrase (IN). Interestingly, none of the compounds were particularly active on (RDDP) but many displayed micromolar to submicromolar activity against IN.
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Affiliation(s)
- Graziella Tocco
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Francesca Esposito
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Pierluigi Caboni
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Antonio Laus
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - John A Beutler
- Molecular Targets Program, National Cancer Institute, Frederick, MD, USA
| | - Jennifer A Wilson
- Molecular Targets Program, National Cancer Institute, Frederick, MD, USA
| | - Angela Corona
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | | | - Enzo Tramontano
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
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7
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Design synthesis and evaluation of novel aldose reductase inhibitors: The case of indolyl–sulfonyl–phenols. Bioorg Med Chem 2020; 28:115575. [DOI: 10.1016/j.bmc.2020.115575] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/08/2020] [Accepted: 05/26/2020] [Indexed: 01/28/2023]
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8
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Jiang X, Zhao Z, Shen Z, Chen K, Fang L, Yu C. Flavin/I2
-Catalyzed Aerobic Oxidative C-H Sulfenylation of Aryl-Fused Cyclic Amines. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000508] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Xinpeng Jiang
- College of Pharmaceutical Sciences; Zhejiang University of Technology; Hangzhou P.R. China
| | - Zongchen Zhao
- College of Pharmaceutical Sciences; Zhejiang University of Technology; Hangzhou P.R. China
| | - Zhifeng Shen
- College of Pharmaceutical Sciences; Zhejiang University of Technology; Hangzhou P.R. China
| | - Keda Chen
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals; Zhejiang University of Technology; Hangzhou P.R. China
| | - Liyun Fang
- College of Pharmaceutical Sciences; Zhejiang University of Technology; Hangzhou P.R. China
| | - Chuanming Yu
- College of Pharmaceutical Sciences; Zhejiang University of Technology; Hangzhou P.R. China
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9
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Watanabe K, Moriyama K. C-H Sulfonylation via 1,3-Rearrangement of Sulfonyl Group in N-Protected 3-Bis-sulfonimidoindole Derivatives Using Fluorine Reagent. J Org Chem 2020; 85:5683-5690. [PMID: 32207942 DOI: 10.1021/acs.joc.9b03498] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A C-H sulfonylation of N-protected 3-bis-sulfonimidoindole derivatives via a 1,3-rearrangement of a sulfonyl group on a bis-sulfonimide moiety using tetra-n-butylammonium fluoride (TBAF) was developed to provide 2-sulfonyl-3-sulfonamidoindole derivatives in high yields as a novel Csp2-H functionalization of heterocycles. The rearrangement of the sulfonyl group proceeded through an intermolecular addition of the desorbed sulfinyl ion from the bis-sulfonimide moiety in the substrate.
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Affiliation(s)
- Kazuhiro Watanabe
- Department of Chemistry, Graduate School of Science and Soft Molecular Activation Research Center, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Katsuhiko Moriyama
- Department of Chemistry, Graduate School of Science and Soft Molecular Activation Research Center, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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10
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Liu C, Peng X, Hu D, Shi F, Huang P, Luo J, Liu Q, Liu L. The direct C3 chalcogenylation of indolines using a graphene-oxide-promoted and visible-light-induced synergistic effect. NEW J CHEM 2020. [DOI: 10.1039/d0nj00747a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A green methodology for the construction of carbon–chalcogen (S and Se) bonds via a GO-promoted and metal-free light-induced synergistic effect is demonstrated.
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Affiliation(s)
- Chunping Liu
- Department of Chemistry and Chemical Engineering
- Gannan Normal University
- Ganzhou
- P. R. China
| | - Xiangjun Peng
- School of Pharmaceutical Science
- Gannan Medical University
- Ganzhou
- P. R. China
| | - Dan Hu
- Department of Chemistry and Chemical Engineering
- Gannan Normal University
- Ganzhou
- P. R. China
| | - Feng Shi
- School of Pharmaceutical Science
- Gannan Medical University
- Ganzhou
- P. R. China
| | - Panpan Huang
- Department of Chemistry and Chemical Engineering
- Gannan Normal University
- Ganzhou
- P. R. China
| | - Juanjuan Luo
- School of Pharmaceutical Science
- Gannan Medical University
- Ganzhou
- P. R. China
| | - Qian Liu
- School of Pharmaceutical Science
- Gannan Medical University
- Ganzhou
- P. R. China
| | - Liangxian Liu
- Department of Chemistry and Chemical Engineering
- Gannan Normal University
- Ganzhou
- P. R. China
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11
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Storozhenko OA, Festa AA, Detistova GI, Rybakov VB, Varlamov AV, Van der Eycken EV, Voskressensky LG. Photoredox-Catalyzed Hydrosulfonylation of Arylallenes. J Org Chem 2019; 85:2250-2259. [DOI: 10.1021/acs.joc.9b02960] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Olga A. Storozhenko
- Organic Chemistry Department, Science Faculty, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya st., 6, 117198 Moscow, Russia
| | - Alexey A. Festa
- Organic Chemistry Department, Science Faculty, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya st., 6, 117198 Moscow, Russia
| | - Galina I. Detistova
- Organic Chemistry Department, Science Faculty, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya st., 6, 117198 Moscow, Russia
| | - Victor B. Rybakov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1-3, 119991 Moscow, Russia
| | - Alexey V. Varlamov
- Organic Chemistry Department, Science Faculty, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya st., 6, 117198 Moscow, Russia
| | - Erik V. Van der Eycken
- Organic Chemistry Department, Science Faculty, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya st., 6, 117198 Moscow, Russia
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Leonid G. Voskressensky
- Organic Chemistry Department, Science Faculty, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya st., 6, 117198 Moscow, Russia
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12
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Esposito F, Sechi M, Pala N, Sanna A, Koneru PC, Kvaratskhelia M, Naesens L, Corona A, Grandi N, di Santo R, D'Amore VM, Di Leva FS, Novellino E, Cosconati S, Tramontano E. Discovery of dihydroxyindole-2-carboxylic acid derivatives as dual allosteric HIV-1 Integrase and Reverse Transcriptase associated Ribonuclease H inhibitors. Antiviral Res 2019; 174:104671. [PMID: 31812637 DOI: 10.1016/j.antiviral.2019.104671] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/29/2019] [Accepted: 12/02/2019] [Indexed: 10/25/2022]
Abstract
The management of Human Immunodeficiency Virus type 1 (HIV-1) infection requires life-long treatment that is associated with chronic toxicity and possible selection of drug-resistant strains. A new opportunity for drug intervention is offered by antivirals that act as allosteric inhibitors targeting two viral functions (dual inhibitors). In this work, we investigated the effects of 5,6-dihydroxyindole-2-carboxylic acid (DHICA) derivatives on both HIV-1 Integrase (IN) and Reverse Transcriptase associated Ribonuclease H (RNase H) activities. Among the tested compounds, the dihydroxyindole-carboxamide 5 was able to inhibit in the low micromolar range (1-18 μM) multiple functions of IN, including functional IN-IN interactions, IN-LEDGF/p75 binding and IN catalytic activity. Docking and site-directed mutagenesis studies have suggested that compound 5 binds to a previously described HIV-1 IN allosteric pocket. These observations indicate that 5 is structurally and mechanistically distinct from the published allosteric HIV-1 IN inhibitors. Moreover, compound 5 also inhibited HIV-1 RNase H function, classifying this molecule as a dual HIV-1 IN and RNase H inhibitor able to impair the HIV-1 virus replication in cell culture. Overall, we identified a new scaffold as a suitable platform for the development of novel dual HIV-1 inhibitors.
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Affiliation(s)
- Francesca Esposito
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria SS554, 09042, Monserrato (CA), Italy.
| | - Mario Sechi
- Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100, Sassari, Italy
| | - Nicolino Pala
- Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100, Sassari, Italy
| | - Adele Sanna
- Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100, Sassari, Italy
| | - Pratibha Chowdary Koneru
- Division of Infectious Diseases, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Mamuka Kvaratskhelia
- Division of Infectious Diseases, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Lieve Naesens
- Rega Institute for Medical Research, KU Leuven, B-3000, Leuven, Belgium
| | - Angela Corona
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria SS554, 09042, Monserrato (CA), Italy
| | - Nicole Grandi
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria SS554, 09042, Monserrato (CA), Italy
| | - Roberto di Santo
- Department of Drug Chemistry and Technologies, Istituto Pasteur-Fondazione Cenci Bolognetti, "Sapienza" Università di Roma, Roma, Italy
| | - Vincenzo Maria D'Amore
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131, Naples, Italy
| | | | - Ettore Novellino
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131, Naples, Italy
| | - Sandro Cosconati
- DiSTABiF, University of Campania Luigi Vanvitelli, Via Vivaldi, 43, 81100, Caserta, Italy
| | - Enzo Tramontano
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria SS554, 09042, Monserrato (CA), Italy
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13
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Yasaei Z, Mohammadpour Z, Shiri M, Tanbakouchian Z, Fazelzadeh S. Isocyanide Reactions Toward the Synthesis of 3-(Oxazol-5-yl)Quinoline-2-Carboxamides and 5-(2-Tosylquinolin-3-yl)Oxazole. Front Chem 2019; 7:433. [PMID: 31259168 PMCID: PMC6587330 DOI: 10.3389/fchem.2019.00433] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 05/28/2019] [Indexed: 11/13/2022] Open
Abstract
A palladium-catalyzed three-component reaction between 5-(2-chloroquinolin-3-yl) oxazoles, isocyanides, and water to yield 3-(oxazol-5-yl)quinoline-2-carboxamides is described. Interestingly, sulfonylation occurred when the same reaction was performed with toluenesulfonylmethyl isocyanide (TosMIC) as an isocyanide source. The reaction with 5-(2-chloroquinolin-3-yl)oxazoles and TosMIC in the presence of Cs2CO3 in DMSO afforded 5-(2-Tosylquinolin-3-yl)oxazoles. In basic media, TosMIC probably decomposed to generate Ts- species, which were replaced with Cl-. Tandem oxazole formation with subsequent sulfonylation of 2-chloroquinoline-3-carbaldehydes to form directly 5-(2-tosylquinolin-3-yl)oxazoles was also investigated.
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Affiliation(s)
| | | | - Morteza Shiri
- Department of Chemistry, Faculty of Physics and Chemistry, Alzahra University, Tehran, Iran
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14
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Chen M, Luo Y, Zhang C, Guo L, Wang Q, Wu Y. Graphene oxide mediated thiolation of indoles in water: a green and sustainable approach to synthesize 3-sulfenylindoles. Org Chem Front 2019. [DOI: 10.1039/c8qo00726h] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Graphene oxide, a green and recyclable catalyst, was developed to synthesize 3-sulfenylindoles in water.
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Affiliation(s)
- Min Chen
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education
- West China School of Pharmacy
- Sichuan University Sichuan 610041
- China
| | - Yi Luo
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education
- West China School of Pharmacy
- Sichuan University Sichuan 610041
- China
| | - Chen Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education
- West China School of Pharmacy
- Sichuan University Sichuan 610041
- China
| | - Li Guo
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education
- West China School of Pharmacy
- Sichuan University Sichuan 610041
- China
| | - Qiantao Wang
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education
- West China School of Pharmacy
- Sichuan University Sichuan 610041
- China
| | - Yong Wu
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education
- West China School of Pharmacy
- Sichuan University Sichuan 610041
- China
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15
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Pagire SK, Hossain A, Reiser O. Temperature Controlled Selective C–S or C–C Bond Formation: Photocatalytic Sulfonylation versus Arylation of Unactivated Heterocycles Utilizing Aryl Sulfonyl Chlorides. Org Lett 2018; 20:648-651. [DOI: 10.1021/acs.orglett.7b03790] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Santosh K. Pagire
- Institut für Organische
Chemie, Universität Regensburg, Universitätsstrasse 31, D-93053 Regensburg, Germany
| | - Asik Hossain
- Institut für Organische
Chemie, Universität Regensburg, Universitätsstrasse 31, D-93053 Regensburg, Germany
| | - Oliver Reiser
- Institut für Organische
Chemie, Universität Regensburg, Universitätsstrasse 31, D-93053 Regensburg, Germany
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16
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Rohokale RS, Tambe SD, Kshirsagar UA. Eosin Y photoredox catalyzed net redox neutral reaction for regiospecific annulation to 3-sulfonylindoles via anion oxidation of sodium sulfinate salts. Org Biomol Chem 2018; 16:536-540. [DOI: 10.1039/c7ob02977b] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
An eosin Y photoredox catalyzed net redox neutral process for 3-sulfonylindoles via the anionic oxidation of sodium sulfinate salts and its radical cascade cyclization with 2-alkynyl-azidoarenes was developed with visible light as a mediator.
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Affiliation(s)
- Rajendra S. Rohokale
- CSIR-National Chemical Laboratory
- Division of Organic Chemistry
- Pune - 411008
- India
- Department of Chemistry
| | - Shrikant D. Tambe
- Department of Chemistry
- Savitribai Phule Pune University (Formerly: University of Pune)
- Pune 411007
- India
| | - Umesh A. Kshirsagar
- Department of Chemistry
- Savitribai Phule Pune University (Formerly: University of Pune)
- Pune 411007
- India
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17
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Feng ML, Xi LY, Chen SY, Yu XQ. Electrooxidative Metal-Free Dehydrogenative α-Sulfonylation of 1H-Indole with Sodium Sulfinates. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700269] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Mei-Lin Feng
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; Department College of Chemistry; Sichuan University; 610064 Chengdu P. R. China
| | - Long-Yi Xi
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; Department College of Chemistry; Sichuan University; 610064 Chengdu P. R. China
| | - Shan-Yong Chen
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; Department College of Chemistry; Sichuan University; 610064 Chengdu P. R. China
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; Department College of Chemistry; Sichuan University; 610064 Chengdu P. R. China
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18
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Lopez SE, Gallagher R, Gilliland RJ, Ghiviriga I, Dolbier WR. Synthesis of 3-phenylsulfonyl-2-trifluoromethyl-1H-indoles: A copper catalyzed cyclization approach. J Fluor Chem 2017. [DOI: 10.1016/j.jfluchem.2016.11.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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19
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Meesin J, Pohmakotr M, Reutrakul V, Soorukram D, Leowanawat P, Kuhakarn C. Synthesis of N-alkyl-3-sulfonylindoles and N-alkyl-3-sulfanylindoles by cascade annulation of 2-alkynyl-N,N-dialkylanilines. Org Biomol Chem 2017; 15:3662-3669. [DOI: 10.1039/c7ob00366h] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Divergent synthesis of N-alkyl-3-sulfonylindoles and N-alkyl-3-sulfanylindoles from 2-alkynyl-N,N-dialkylanilines and sulfonyl hydrazides has been described.
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Affiliation(s)
- Jatuporn Meesin
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Faculty of Science
- Mahidol University
- Bangkok 10400
- Thailand
| | - Manat Pohmakotr
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Faculty of Science
- Mahidol University
- Bangkok 10400
- Thailand
| | - Vichai Reutrakul
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Faculty of Science
- Mahidol University
- Bangkok 10400
- Thailand
| | - Darunee Soorukram
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Faculty of Science
- Mahidol University
- Bangkok 10400
- Thailand
| | - Pawaret Leowanawat
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Faculty of Science
- Mahidol University
- Bangkok 10400
- Thailand
| | - Chutima Kuhakarn
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Faculty of Science
- Mahidol University
- Bangkok 10400
- Thailand
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20
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Li X, Liang D, Huang W, Zhou H, Li Z, Wang B, Ma Y, Wang H. Visible light-induced carbonylation of indoles with arylsulfonyl chlorides and CO. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.11.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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21
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Du Y, Liu Y. Copper-Catalysed Selective 3-Sulfonylation of Indoles: A Mild Synthesis of Indolyl Sulfones. JOURNAL OF CHEMICAL RESEARCH 2016. [DOI: 10.3184/174751916x14733526548948] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The selective C3-sulfonylation of some 4-, 5- and 6-substituted indoles using sodium arenesulfinates as reaction partners has been realised under mild conditions using catalytic CuI/1,10-phenanthroline at 70 °C. The reaction had a satisfactory application scope and proceeded in fair to excellent yields.
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Affiliation(s)
- Yi Du
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Yunyun Liu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
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22
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Chen F, Meng Q, Han SQ, Han B. tert-Butyl Hydroperoxide (TBHP)-Initiated Vicinal Sulfonamination of Alkynes: A Radical Annulation toward 3-Sulfonylindoles. Org Lett 2016; 18:3330-3. [DOI: 10.1021/acs.orglett.6b01427] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Fei Chen
- State Key Laboratory of Applied
Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Qiang Meng
- State Key Laboratory of Applied
Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Shang-Qing Han
- State Key Laboratory of Applied
Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Bing Han
- State Key Laboratory of Applied
Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
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23
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Qiu JK, Hao WJ, Wang DC, Wei P, Sun J, Jiang B, Tu SJ. Selective sulfonylation and diazotization of indoles. Chem Commun (Camb) 2014; 50:14782-5. [DOI: 10.1039/c4cc06795a] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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24
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Katrun P, Mueangkaew C, Pohmakotr M, Reutrakul V, Jaipetch T, Soorukram D, Kuhakarn C. Regioselective C2 Sulfonylation of Indoles Mediated by Molecular Iodine. J Org Chem 2014; 79:1778-85. [DOI: 10.1021/jo402831k] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Praewpan Katrun
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry
(PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Charoensak Mueangkaew
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry
(PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Manat Pohmakotr
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry
(PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Vichai Reutrakul
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry
(PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Thaworn Jaipetch
- Mahidol University, Kanchanaburi
Campus, Saiyok, Kanchanaburi 71150, Thailand
| | - Darunee Soorukram
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry
(PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Chutima Kuhakarn
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry
(PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
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