1
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Badhani G, Shubham, Biramya VM, Adimurthy S. Lewis Acid-Mediated Isothiocyanation and Chlorination of Quinoxalin-2(1 H)-ones under Visible Light Conditions. J Org Chem 2024; 89:10760-10772. [PMID: 38991520 DOI: 10.1021/acs.joc.4c00995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
Lewis acid-mediated selective C3-isothiocyanation of quinoxalin-2(1H)-ones using N-thiocyanatosaccharin as an isothiocyanate source under visible light conditions at room temperature is described. Under similar conditions with N-chlorosaccharin, the C3-chlorination of quinoxalin-2(1H)-ones achieved a 2 h time frame. Good to an excellent yield of products was obtained in both cases with broad functional group tolerance. Control experiments suggest that the reaction proceeds through a radical mechanism. The present procedure demonstrates the applicability at gram-scale reactions and highlights the subsequent conversion of isothiocyanates into representative thiourea derivatives, and one of the chloro derivatives transformed to glycogen phosphorylase inhibitors.
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Affiliation(s)
- Gaurav Badhani
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
- CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, Gujarat 364 002, India
| | - Shubham
- CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, Gujarat 364 002, India
| | - Valvi Mangesh Biramya
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
- CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, Gujarat 364 002, India
| | - Subbarayappa Adimurthy
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
- CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, Gujarat 364 002, India
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2
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Niwetmarin W, Saesian N, Saruengkhanphasit R, Eurtivong C, Thasana N, Ruchirawat S. Metal- and photocatalyst-free approach to visible-light-induced acylation of quinoxalinones. Org Biomol Chem 2024; 22:5924-5929. [PMID: 38698760 DOI: 10.1039/d4ob00630e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
A transition-metal- and photocatalyst-free photochemical reaction was successfully developed for the direct acylation of quinoxalin-2(1H)-ones, which was enabled by the formation of electron donor-acceptor (EDA) complexes. The use of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) as the electron donor allows efficient and operationally simple access to a series of C3-aroylated and acylated quinoxalin-2(1H)-ones with moderate to good yields.
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Affiliation(s)
- Worawat Niwetmarin
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Bangkok 10210, Thailand.
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Thailand
| | - Naiyana Saesian
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Bangkok 10210, Thailand.
| | | | - Chatchakorn Eurtivong
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand
| | - Nopporn Thasana
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Bangkok 10210, Thailand.
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Thailand
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Somsak Ruchirawat
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Bangkok 10210, Thailand.
- Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Thailand
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
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3
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Shi SH, Li HY, Liu HY, Tian R, Zhu HT. Redox Relay-Induced C-S Radical Cross-Coupling Strategy: Application in Nontraditional Site-Selective Thiocyanation of Quinoxalinones. J Org Chem 2024; 89:6826-6837. [PMID: 38669146 DOI: 10.1021/acs.joc.4c00215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2024]
Abstract
Oxidative cross-coupling is a powerful strategy to form C-heteroatom bonds. However, oxidative cross-coupling for constructing C-S bond is still a challenge due to sulfur overoxidation and poisoning transition-metal catalysts. Now, electrochemical redox relay using sulfur radicals formed in situ from inorganic sulfur source offers a solution to this problem. Herein, electrochemical redox relay-induced C-S radical cross-coupling of quinoxalinones and ammonium thiocyanate with bromine anion as mediator is presented. The electrochemical redox relay comprised initially the formation of sulfur radical via indirect electrochemical oxidation, simultaneous electrochemical reduction of the imine bond, electro-oxidation-triggered radical coupling involving dearomatization-rearomatization, and the reformation of the imine bond through anodic oxidation. Applying this strategy, various quinoxalinones bearing multifarious electron-deficient/-rich substituents at different positions were well compatible with moderate to excellent yields and good steric hindrance compatibility under constant current conditions in an undivided cell without transition-metal catalysts and additional redox reagents. Synthetic applications of this methodology were demonstrated through gram-scale preparation and follow-up transformation. Notably, such a unique strategy may offer new opportunities for the development of new quinoxalinone-core leads.
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Affiliation(s)
- Shi-Hui Shi
- Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China
| | - Hao-Yu Li
- Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China
| | - Hao-Yang Liu
- Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China
| | - Rui Tian
- Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China
| | - Hai-Tao Zhu
- Shannxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, China
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4
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Wang SY, Liu C, Yang W, Tian ZY, Yuan L, Xie LY. Efficient synthesis of SCF 3-containing 3-alkenylquinoxalinones via three-component radical cascade reaction. Org Biomol Chem 2024; 22:3740-3745. [PMID: 38651658 DOI: 10.1039/d4ob00363b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
An efficient and practical method for the synthesis of 3-alkenylquinoxalinones containing the SCF3 group has been readily developed through a three-component radical cascade reaction involving quinoxalinones, alkynes and AgSCF3. The reaction was found to be compatible with a variety of substrates and exhibited a high functional group tolerance and complete E-selectivity. The preliminary study suggests the involvement of a SCF3 radical in the transformation.
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Affiliation(s)
- Si-Yu Wang
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, 425100, China.
| | - Chu Liu
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, 425100, China.
| | - Wei Yang
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, 425100, China.
| | - Zhong-Ying Tian
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, 425100, China.
| | - Lin Yuan
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, 425100, China.
| | - Long-Yong Xie
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou, 425100, China.
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5
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Rani P, Chahal S, Singh R, Sindhu J. Pushing Boundaries: What's Next in Metal-Free C-H Functionalization for Sulfenylation? Top Curr Chem (Cham) 2024; 382:13. [PMID: 38607428 DOI: 10.1007/s41061-024-00460-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 03/15/2024] [Indexed: 04/13/2024]
Abstract
The synthesis of thioether derivatives has been explored widely due to the potential application of these derivatives in medicinal chemistry, pharmaceutical industry and material chemistry. Within this context, there has been an increasing demand for the environmentally benign construction of C-S bonds via C-H functionalization under metal-free conditions. In the present article, we highlight recent developments in metal-free sulfenylation that have occurred in the past three years. The synthesis of organosulfur compounds via a metal-free approach using a variety of sulfur sources, including thiophenols, disulfides, sulfonyl hydrazides, sulfonyl chlorides, elemental sulfur and sulfinates, is discussed. Non-conventional strategies, which refer to the development of thioether derivatives under visible light and electrochemically mediated conditions, are also discussed. The key advantages of the reviewed methodologies include broad substrate scope and high reaction yields under environmentally benign conditions. This comprehensive review will provide chemists with a synthetic tool that will facilitate further development in this field.
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Affiliation(s)
- Payal Rani
- Department of Chemistry, College of Basic Sciences & Humanities, Chaudhary Charan Singh Haryana Agricultural University (CCS HAU), Hisar, Haryana, 125004, India
| | - Sandhya Chahal
- Department of Chemistry, College of Basic Sciences & Humanities, Chaudhary Charan Singh Haryana Agricultural University (CCS HAU), Hisar, Haryana, 125004, India
| | - Rajvir Singh
- Department of Chemistry, College of Basic Sciences & Humanities, Chaudhary Charan Singh Haryana Agricultural University (CCS HAU), Hisar, Haryana, 125004, India
| | - Jayant Sindhu
- Department of Chemistry, College of Basic Sciences & Humanities, Chaudhary Charan Singh Haryana Agricultural University (CCS HAU), Hisar, Haryana, 125004, India.
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6
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More DA, Shirsath SR, Muthukrishnan M. Metal- and Photocatalyst-Free, Visible-Light-Initiated C3 α-Aminomethylation of Quinoxalin-2(1 H)-ones via Electron Donor-Acceptor Complexes. J Org Chem 2023; 88:13339-13350. [PMID: 37651188 DOI: 10.1021/acs.joc.3c01249] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
We report a metal- and photocatalyst-free C3 α-aminomethylation of quinoxalin-2(1H)-ones with N-alkyl-N-methylanilines. The reaction proceeds through the formation of a photoactivated electron donor-acceptor complex between quinoxalin-2(1H)-ones and N-alkyl-N-methylanilines. The present method provides a mild and environmentally friendly protocol that exhibits good atom economy and excellent functional group tolerance to obtain a library of biologically significant C3 α-aminomethylated quinoxalin-2(1H)-ones in good yields.
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Affiliation(s)
- Devidas A More
- CSIR-National Chemical Laboratory, Division of Organic Chemistry, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sachin R Shirsath
- CSIR-National Chemical Laboratory, Division of Organic Chemistry, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - M Muthukrishnan
- CSIR-National Chemical Laboratory, Division of Organic Chemistry, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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7
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Rani P, Chahal S, Kumar R, Mayank, Kumar P, Negi A, Singh R, Kumar S, Kataria R, Joshi G, Sindhu J. Electro-organic synthesis of C-5 sulfenylated amino uracils: Optimization and exploring topoisomerase-I based anti-cancer profile. Bioorg Chem 2023; 138:106660. [PMID: 37320914 DOI: 10.1016/j.bioorg.2023.106660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/25/2023] [Accepted: 06/06/2023] [Indexed: 06/17/2023]
Abstract
Cancer is spreading worldwide and is one of the leading causes of death. The use of existing chemotherapeutic agents is frequently limited due to side effects. As a result, it is critical to investigate new agents for cancer treatment. In this context, we developed an electrochemical method for the synthesis of a series of thiol-linked pyrimidine derivatives (3a-3p) and explored their anti-cancer potential. The biological profile of the synthesized compounds was evaluated against breast (MDAMB-231 and MCF-7) and colorectal (HCT-116) cancer cell lines. 3b and 3d emerged to be the most potent agents, with IC50 values ranging between 0.98 to 2.45 µM. Target delineation studies followed by secondary anticancer parameters were evaluated for most potent compounds, 3b and 3d. The analysis revealed compounds possess DNA intercalation potential and selective inhibition towards human topoisomerase (hTopo1). The analysis was further corroborated by DNA binding studies and in silico-based molecular modeling studies that validated the intercalating binding mode between the compounds and the DNA.
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Affiliation(s)
- Payal Rani
- Department of Chemistry, COBS&H, CCS Haryana Agricultural University, Hisar 125004, India
| | - Sandhya Chahal
- Department of Chemistry, COBS&H, CCS Haryana Agricultural University, Hisar 125004, India
| | - Roshan Kumar
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda 151401, India
| | - Mayank
- Institut interdisciplinaire d'innovation technologique - 3IT USherbrooke, Sherbrooke, Quebec, Canada
| | - Parvin Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra 136119, India
| | - Arvind Negi
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Espoo 02150, Finland
| | - Rajvir Singh
- Department of Chemistry, COBS&H, CCS Haryana Agricultural University, Hisar 125004, India
| | - Sudhir Kumar
- Department of Chemistry, COBS&H, CCS Haryana Agricultural University, Hisar 125004, India; Department of Bioinformatics and Computational Biology, College of Biotechnology, CCS Haryana Agricultural University, Hisar 125004, India
| | - Ramesh Kataria
- Department of Chemistry & Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
| | - Gaurav Joshi
- Department of Pharmaceutical Science, Hemvati Nandan Bahuguna Garhwal (A Central) University, Srinagar-246174, Dist. Garhwal, (Uttarakhand), India; Department of Biotechnology, Graphic Era (Deemed to be University), Bell Road, Clement Town Dehradun, Uttarakhand- 248002.
| | - Jayant Sindhu
- Department of Chemistry, COBS&H, CCS Haryana Agricultural University, Hisar 125004, India.
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8
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Peng S, Xie LY, Yang L. A visible-light-mediated cascade reaction of quinoxalin-2(1 H)-ones, alkenes, and sulfinic acids. Org Biomol Chem 2023; 21:4109-4113. [PMID: 37128965 DOI: 10.1039/d3ob00448a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
A photocatalytic three-component cascade reaction of quinoxalin-2(1H)-ones, alkenes, and sulfinic acids under metal-, strong oxidant-, and external photocatalyst-free conditions was developed. The reaction was performed at room temperature using air as a green oxidant. Various sulfonated quinoxalin-2(1H)-ones were obtained in satisfactory yields with good functional group compatibility. The preliminary study showed that the current transformation was enabled by the formation of an electron donor-acceptor (EDA) complex between quinoxalin-2(1H)-ones and sulfinic acids.
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Affiliation(s)
- Sha Peng
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Hunan, 411105, PR China
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Hunan, 425100, China.
| | - Long-Yong Xie
- College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Hunan, 425100, China.
| | - Luo Yang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Hunan, 411105, PR China
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9
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Yang Q, Wang B, Wu M, Lei YZ. Recent Developments in Direct C–H Functionalization of Quinoxalin-2(1H)-Ones via Multi-Component Tandem Reactions. Molecules 2023; 28:molecules28062513. [PMID: 36985484 PMCID: PMC10052782 DOI: 10.3390/molecules28062513] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/25/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023] Open
Abstract
The direct C–H multifunctionalization of quinoxalin-2(1H)-ones via multicomponent reactions has attracted considerable interest due to their diverse biological activities and chemical profile. This review will focus on recent achievements. It mainly covers reaction methods for the simultaneous introduction of C–C bonds and C–RF/C/O/N/Cl/S/D bonds into quinoxalin-2(1H)-ones and their reaction mechanisms. Meanwhile, future developments of multi-component reactions of quinoxalin-2(1H)-ones are envisaged, such as the simultaneous construction of C–C and C–B/SI/P/F/I/SE bonds through multi-component reactions; the construction of fused ring and macrocyclic compounds; asymmetric synthesis; green chemistry; bionic structures and other fields. The aim is to enrich the methods for the reaction of quinoxalin-2(1H)-ones at the C3 position, which have rich applications in materials chemistry and pharmaceutical pharmacology.
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Affiliation(s)
- Qiming Yang
- Guizhou Provincial Key Laboratory of Coal Clean Utilization, School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China
- Henan Key Laboratory of New Optoelectronic Functional Materials, College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
- Correspondence: (Q.Y.); (Y.-Z.L.)
| | - Biao Wang
- Guizhou Provincial Key Laboratory of Coal Clean Utilization, School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China
| | - Mian Wu
- Henan Key Laboratory of New Optoelectronic Functional Materials, College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Yi-Zhu Lei
- Guizhou Provincial Key Laboratory of Coal Clean Utilization, School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China
- Correspondence: (Q.Y.); (Y.-Z.L.)
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10
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Sonam, Shinde VN, Rangan K, Kumar A. Selectfluor-Mediated Regioselective C-3 Alkoxylation, Amination, Sulfenylation, and Selenylation of Quinoxalin-2(1 H)-ones. J Org Chem 2023; 88:2344-2357. [PMID: 36735722 DOI: 10.1021/acs.joc.2c02756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A Selectfluor-promoted oxidative coupling of quinoxalin-2(1H)-ones with alcohols, amines, thiols, and selenols leading to the formation of C-O, C-N, C-S, and C-Se bonds has been developed. The protocol provided good to excellent (53-95%) yields of a wide range of quinoxalin-2(1H)-ones decorated with alkoxy, alkylamino, alkylthio, and arylselenyl groups at the C3-position under metal- and photocatalyst-free conditions. The reaction is believed to proceed through a radical pathway. A broad substrate scope including bioactive molecules, mild reaction conditions, readily available coupling partners, high yields, scalability, step-economy, and metal- and photocatalyst-free conditions are the highlighting features of the method. The synthetic utility of the developed protocol was demonstrated by gram-scale synthesis, C3-alkoxylation of quinoxaline-2(1H)-one with natural alcohols, and synthesis of aldose reductase (ALR2) inhibitor and histamine-4 receptor antagonist in good yields.
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Affiliation(s)
- Sonam
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India
| | - Vikki N Shinde
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India
| | - Krishnan Rangan
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Telangana 500078, India
| | - Anil Kumar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India
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11
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Liang Y, He Y, Jiang Z, Yang L, Xie L. Direct C−H Arylation of Quinoxalin‐2(
H
)‐ones with Arylhydrazine hydrochlorides. ChemistrySelect 2023. [DOI: 10.1002/slct.202204611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Yue‐Pei Liang
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources of Southern Hunan College of Chemistry and Bioengineering Hunan University of Science and Engineering Yongzhou 425100 China
| | - Ya‐Nan He
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources of Southern Hunan College of Chemistry and Bioengineering Hunan University of Science and Engineering Yongzhou 425100 China
| | - Ze‐Qun Jiang
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources of Southern Hunan College of Chemistry and Bioengineering Hunan University of Science and Engineering Yongzhou 425100 China
| | - Li‐Hua Yang
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources of Southern Hunan College of Chemistry and Bioengineering Hunan University of Science and Engineering Yongzhou 425100 China
| | - Long‐Yong Xie
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources of Southern Hunan College of Chemistry and Bioengineering Hunan University of Science and Engineering Yongzhou 425100 China
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12
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Villo P, Shatskiy A, Kärkäs MD, Lundberg H. Electrosynthetic C-O Bond Activation in Alcohols and Alcohol Derivatives. Angew Chem Int Ed Engl 2023; 62:e202211952. [PMID: 36278406 PMCID: PMC10107720 DOI: 10.1002/anie.202211952] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Indexed: 11/07/2022]
Abstract
Alcohols and their derivatives are ubiquitous and versatile motifs in organic synthesis. Deoxygenative transformations of these compounds are often challenging due to the thermodynamic penalty associated with the cleavage of the C-O bond. However, electrochemically driven redox events have been shown to facilitate the C-O bond cleavage in alcohols and their derivatives either through direct electron transfer or through the use of electron transfer mediators and electroactive catalysts. Herein, a comprehensive overview of preparative electrochemically mediated protocols for C-O bond activation and functionalization is detailed, including direct and indirect electrosynthetic methods, as well as photoelectrochemical strategies.
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Affiliation(s)
- Piret Villo
- Department of ChemistryKTH Royal Institute of TechnologySE-100 44StockholmSweden
| | - Andrey Shatskiy
- Department of ChemistryKTH Royal Institute of TechnologySE-100 44StockholmSweden
| | - Markus D. Kärkäs
- Department of ChemistryKTH Royal Institute of TechnologySE-100 44StockholmSweden
| | - Helena Lundberg
- Department of ChemistryKTH Royal Institute of TechnologySE-100 44StockholmSweden
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13
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Li Y, Song GT, Tang DY, Xu ZG, Chen ZZ. Acid-Promoted Direct C-H Carbamoylation at the C-3 Position of Quinoxalin-2(1 H)-ones with Isocyanide in Water. ACS OMEGA 2023; 8:1577-1587. [PMID: 36643431 PMCID: PMC9835787 DOI: 10.1021/acsomega.2c06946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
Described herein is a concise and practical direct amidation at the C-3 position of quinoxalin-2(1H)-ones through an acid-promoted carbamoylation with isocyanide in water. In this conversion, environmentally friendly water and commercial inexpensive isocyanide were used as a solvent and carbamoylation reagent, respectively. This study not only provides a green and efficient strategy for the construction of 3-carbamoylquinoxalin-2(1H)-one derivatives that can be applied to the synthesis of druglike structures but also expands the application of isocyanide in organic chemistry.
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14
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Priyanka, Rani P, Kiran, Sindhu J. Indolizine: A Promising Framework for Developing a Diverse Array of C−H Functionalized Hybrids. ChemistrySelect 2023. [DOI: 10.1002/slct.202203531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Priyanka
- Department of Chemistry, COBS&H CCSHAU Hisar 125004 India
| | - Payal Rani
- Department of Chemistry, COBS&H CCSHAU Hisar 125004 India
| | - Kiran
- Department of Chemistry, COBS&H CCSHAU Hisar 125004 India
| | - Jayant Sindhu
- Department of Chemistry, COBS&H CCSHAU Hisar 125004 India
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15
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More DA, Mujahid M, Muthukrishnan M. Metal‐ And Light‐Free Direct C‐3 Ketoalkylation of Quinoxalin‐2(1
H
)‐Ones with Cyclopropanols in Aqueous Medium. ChemistrySelect 2022. [DOI: 10.1002/slct.202203597] [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)
- Devidas A. More
- Division of Organic Chemistry CSIR - National Chemical Laboratory Pune 411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - M. Mujahid
- Division of Organic Chemistry CSIR - National Chemical Laboratory Pune 411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - M. Muthukrishnan
- Division of Organic Chemistry CSIR - National Chemical Laboratory Pune 411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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16
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Sau S, Mal P. Visible-Light Promoted Regioselective Oxygenation of Quinoxalin-2(1 H)-ones Using O 2 as an Oxidant. J Org Chem 2022; 87:14565-14579. [PMID: 36214497 DOI: 10.1021/acs.joc.2c01960] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A visible-light-mediated sustainable approach for metal-free oxygenation of quinoxalin-2(1H)-one by employing Mes-Acr-MeClO4 as a photocatalyst without using any additive or cocatalyst is reported here. O2 served as the eco-friendly and green oxidant source for this conversion. In addition, the protocol exhibited high regioselectivity and tolerance toward a broad spectrum of functional groups to furnish quinoxaline-2,3-diones in good to excellent yields.
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Affiliation(s)
- Sudip Sau
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhaba National Institute, Bhubaneswar, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Odisha 752050, India
| | - Prasenjit Mal
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhaba National Institute, Bhubaneswar, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Odisha 752050, India
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17
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Li Y, Fu ZT, Shen Y, Zhu J, Luo K, Wu L. Divergent Auto‐oxidative Alkylation and Alkanoacylation of Quinoxalin‐2(1H)‐ones with Aliphatic Aldehydes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yuan Li
- Nanjing Agricultural University Department of Chemistry Nanjing CHINA
| | - Zi-Tong Fu
- Nanjing Agricultural University Department of Chemistry Nanjing CHINA
| | - Yawei Shen
- Nanjing Agricultural University Department of Chemistry Nanjing CHINA
| | - Jie Zhu
- Nanjing Agricultural University Department of Chemistry Nanjing CHINA
| | - Kai Luo
- Nanjing Agricultural University College of Sciences Weigang No. 1 210095 Nanjing CHINA
| | - Lei Wu
- Nanjing Agricultural University Department of Chemistry Nanjing CHINA
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18
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Peng S, Liu J, Yang LH, Xie LY. Sunlight Induced and Recyclable g-C 3N 4 Catalyzed C-H Sulfenylation of Quinoxalin-2(1 H)-Ones. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27155044. [PMID: 35956990 PMCID: PMC9370749 DOI: 10.3390/molecules27155044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/03/2022] [Accepted: 08/05/2022] [Indexed: 11/16/2022]
Abstract
A sunlight-promoted sulfenylation of quinoxalin-2(1H)-ones using recyclable graphitic carbon nitride (g-C3N4) as a heterogeneous photocatalyst was developed. Using the method, various 3-sulfenylated quinoxalin-2(1H)-ones were obtained in good to excellent yields under an ambient air atmosphere. Moreover, the heterogeneous catalyst can be recycled at least six times without significant loss of activity.
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19
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Wang H, Li S, Cui Y, Liu M, Bu X, Tian H, Yang X. A covalent organic framework-catalyzed visible-light-induced three-component cascade synthesis of trifluoroalkyl and trifluoroalkenyl quinoxalin-2(1 H)-one derivatives. NEW J CHEM 2022. [DOI: 10.1039/d2nj04430g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
A COF-catalyzed visible-light-induced three-component synthesis of trifluoroalkyl and trifluoroalkenyl quinoxalin-2(1H)-one derivatives features robust substrate adaptability, good sustainability, and Z-selectivity.
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Affiliation(s)
- Hesheng Wang
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Siyu Li
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Yue Cui
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Minqiang Liu
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Xiubin Bu
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Hua Tian
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, and Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Xiaobo Yang
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, P. R. China
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
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20
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Ding B, Xu B, Ding Z, Zhang T, Wang Y, Qiu H, He J, An P, Yao Y, Hou Z. Catalytic selective oxidation of aromatic amines to azoxy derivatives with an ultralow loading of peroxoniobate salts. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01137a] [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
Tartaric acid-coordinated peroxoniobate salts demonstrate an exceptionally high TOF value (up to 4435 h−1) even at an ultralow catalyst loading for the oxidation of aromatic amines to azoxy compounds under green and very mild conditions.
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Affiliation(s)
- Bingjie Ding
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Beibei Xu
- Physics Department and Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai 200062, China
| | - Zuoji Ding
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Tong Zhang
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yajun Wang
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Hewen Qiu
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jingjing He
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Pengfei An
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing Synchrotron Radiation Facility (BSRF), Beijing 100049, China
| | - Yefeng Yao
- Physics Department and Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai 200062, China
| | - Zhenshan Hou
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, School of Chemistry and Molecular Engineering, Shanghai 200062, China
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