1
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Tang J, Xie L, Liu J, Shi S, Yang Q, Zhang B, Wang Y, Chen L, Jia S, Ma M, Xie Z. Direct Access to Thio- and Seleno-acetamides Bearing (Benzo)thiazoles by a Base-Promoted One-Pot Two-Step Three-Component Reaction of 2-Amino(benzo)thiazoles with Aryl Acetyl Chlorides and Dichalcogenides. J Org Chem 2024; 89:3702-3712. [PMID: 38430193 DOI: 10.1021/acs.joc.3c02145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2024]
Abstract
Highly efficient and practical carbon-chalcogen (S, Se) and amide bonds formation methodologies for the synthesis of thio- and seleno-acetamides were developed, via the base-promoted one-pot two-step reactions of 2-amino(benzo)thiazoles and aryl acetyl chlorides with dichalcogenides. This cross-coupling reaction afforded the goal products that had been chalcogenated regioselectively in moderate to good yields. Further transformations of the new synthesized compounds, DFT calculations and preliminary mechanism studies are discussed as well.
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Affiliation(s)
- Jingjie Tang
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Luying Xie
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Jiayu Liu
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Shangyu Shi
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Qikun Yang
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Bo Zhang
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Yingying Wang
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Lin Chen
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Shaohui Jia
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Mingfang Ma
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Zengyang Xie
- Laboratory of New Antitumor Drug Molecular Design & Synthesis, College of Basic Medicine, Jining Medical University, Jining 272067, China
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2
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Zhao D, Pan Y, Guo S, Chen X, Hou H, Han Y, Yan C, Shi Y, Zhu S. Copper-Catalyzed Oxidative Dearomatized Oxyalkylation of Indoles with Alcohols: Synthesis of 3-Alkoxy-2-Oxindoles. J Org Chem 2022; 87:16867-16872. [DOI: 10.1021/acs.joc.2c02073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Dengyang Zhao
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Yingjie Pan
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Shengkun Guo
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Xiaoyun Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212005, China
| | - Hong Hou
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Ying Han
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Chaoguo Yan
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Yaocheng Shi
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Shaoqun Zhu
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225009, China
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3
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Golla S, Jalagam S, Poshala S, Kokatla HP. Transition metal-free functionalization of 2-oxindoles via sequential aldol and reductive aldol reactions using rongalite as a C1 reagent. Org Biomol Chem 2022; 20:4926-4932. [PMID: 35506377 DOI: 10.1039/d2ob00665k] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A sequential one-pot classical aldol, transition-metal and hydride-free reductive aldol reaction is reported here for C(sp3)- H functionalization of 2-oxindoles using the multifaceted reagent rongalite. Here, rongalite functions as a hydride-free reducing agent and double C1 unit donor. This protocol enables the synthesis of a wide range of 3-methylindoline-2-ones and 3-(hydroxymethyl)-3-methylindolin-2-ones from 2-oxindoles (65-95% yields), which are the synthetic precursors for many natural products. Some of the important aspects of this synthetic approach include one-pot methylation and hydroxymethylation, low-cost rongalite (ca. $0.03 per 1 g), mild reaction conditions and applicability to gram-scale synthesis.
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Affiliation(s)
- Sivaparwathi Golla
- Department of Chemistry, National Institute of Technology Warangal, Warangal, Telangana-506004, India.
| | - Swathi Jalagam
- Department of Chemistry, National Institute of Technology Warangal, Warangal, Telangana-506004, India.
| | - Soumya Poshala
- Department of Chemistry, National Institute of Technology Warangal, Warangal, Telangana-506004, India.
| | - Hari Prasad Kokatla
- Department of Chemistry, National Institute of Technology Warangal, Warangal, Telangana-506004, India.
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4
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Kumar J, Singh AK, Gupta A, Bhadra S. Enhancing the Extent of Enolization for α-C-H Bonds of Aliphatic Carboxylic Acid Equivalents via Ion Pair Catalysis: Application toward α-Chalcogenation. J Org Chem 2022; 87:6330-6335. [PMID: 35412824 DOI: 10.1021/acs.joc.1c02935] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In general, the α-functionalization of carboxylic acid derivatives requires either a transition metal catalyst or a stoichiometric activating agent/strong base/external additive. A transition metal free α-chalcogenation of aliphatic carboxylic acid equivalents is reported herein via ion pair formation using K3PO4 as a catalyst. Mild conditions, broad scope, scalability of the process, attaining bioactive glucokinase activators, and some synthetic intermediates establish merits of the strategy.
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Affiliation(s)
- Jogendra Kumar
- Inorganic Materials and Catalysis Division, CSIR─Central Salt and Marine Chemicals Research Institute, G.B. Marg, Bhavnagar, 364002 Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Anupam Kumar Singh
- Inorganic Materials and Catalysis Division, CSIR─Central Salt and Marine Chemicals Research Institute, G.B. Marg, Bhavnagar, 364002 Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Aniket Gupta
- Inorganic Materials and Catalysis Division, CSIR─Central Salt and Marine Chemicals Research Institute, G.B. Marg, Bhavnagar, 364002 Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sukalyan Bhadra
- Inorganic Materials and Catalysis Division, CSIR─Central Salt and Marine Chemicals Research Institute, G.B. Marg, Bhavnagar, 364002 Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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5
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Pastor M, Vayer M, Weinstabl H, Maulide N. Electrochemical Umpolung C-H Functionalization of Oxindoles. J Org Chem 2021; 87:606-612. [PMID: 34962127 PMCID: PMC8749966 DOI: 10.1021/acs.joc.1c02616] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
![]()
Herein, we present
a general electrochemical method to access unsymmetrical
3,3-disubstituted oxindoles by direct C–H functionalization
where the oxindole fragment behaves as an electrophile. This Umpolung
approach does not rely on stoichiometric oxidants and proceeds under
mild, environmentally benign conditions. Importantly, it enables the
functionalization of these scaffolds through C–O, and by extension
to C–C or even C–N bond formation.
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Affiliation(s)
- Miryam Pastor
- Christian Doppler Laboratory for Entropy-Oriented Drug Design, Institute of Organic Chemistry, University of Vienna, Währinger Strasse 38, 1090 Vienna, Austria
| | - Marie Vayer
- Christian Doppler Laboratory for Entropy-Oriented Drug Design, Institute of Organic Chemistry, University of Vienna, Währinger Strasse 38, 1090 Vienna, Austria
| | - Harald Weinstabl
- Boehringer-Ingelheim RCV, Doktor-Boehringer-Gasse 5-11, 1120 Vienna, Austria
| | - Nuno Maulide
- Christian Doppler Laboratory for Entropy-Oriented Drug Design, Institute of Organic Chemistry, University of Vienna, Währinger Strasse 38, 1090 Vienna, Austria
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6
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Sakla AP, Panda B, Laxmikeshav K, Soni JP, Bhandari S, Godugu C, Shankaraiah N. Dithiocarbamation of spiro-aziridine oxindoles: a facile access to C3-functionalised 3-thiooxindoles as apoptosis inducing agents. Org Biomol Chem 2021; 19:10622-10634. [PMID: 34870311 DOI: 10.1039/d1ob02102h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Herein, we report the first dithiocarbamation of spiro-aziridine oxindoles involving regiospecific ring-opening by using in situ generated nucleophilic dithiocarbamates as an instant source of sulfur. This approach afforded C3-functionalised-3-thiooxindoles in good to excellent yields with a wide substrate scope under catalyst-free and mild reaction conditions. These compounds were screened for their anticancer activity against a panel of human cancer cell lines, wherein compound 3u exhibited significant cytotoxic activity against human lung cancer cells with an IC50 value of 4.31 ± 1.88 μM. Phase contrast microscopy as well as different staining assays such as acridine orange/ethidium bromide (AO/EB), DAPI and DCFDA demonstrated the induction of apoptosis in A549 lung cancer cells after treatment with compound 3u. In addition, the clonogenic assay and migration assay demonstrated the ability of compound 3u to inhibit colony formation and cell migration, respectively, in A549 cells in a dose-dependent manner.
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Affiliation(s)
- Akash P Sakla
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad - 500037, India.
| | - Biswajit Panda
- Department of Regulatory Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad - 500037, India
| | - Kritika Laxmikeshav
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad - 500037, India.
| | - Jay Prakash Soni
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad - 500037, India.
| | - Sonal Bhandari
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad - 500037, India.
| | - Chandraiah Godugu
- Department of Regulatory Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad - 500037, India
| | - Nagula Shankaraiah
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad - 500037, India.
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7
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Tian S, Wang C, Xia J, Wan J, Liu Y. Transition Metal‐Free, Free‐Radical Sulfenylation of the α‐C(
sp
3
)−H Bond in Arylacetamides and Its Application Toward 2‐Thiomethyl Benzoxazoles Synthesis. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100816] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Shanghui Tian
- College of Chemistry and Chemical Engineering Jiangxi Normal University 330022 Nanchang People's Republic of China
| | - Chaoli Wang
- College of Chemistry and Chemical Engineering Jiangxi Normal University 330022 Nanchang People's Republic of China
| | - Jianhui Xia
- College of Chemistry and Chemical Engineering Jiangxi Normal University 330022 Nanchang People's Republic of China
| | - Jie‐Ping Wan
- College of Chemistry and Chemical Engineering Jiangxi Normal University 330022 Nanchang People's Republic of China
| | - Yunyun Liu
- College of Chemistry and Chemical Engineering Jiangxi Normal University 330022 Nanchang People's Republic of China
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8
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Zhang H, Wang H, Jiang Y, Cao F, Gao W, Zhu L, Yang Y, Wang X, Wang Y, Chen J, Feng Y, Deng X, Lu Y, Hu X, Li X, Zhang J, Shi T, Wang Z. Recent Advances in Iodine-Promoted C-S/N-S Bonds Formation. Chemistry 2020; 26:17289-17317. [PMID: 32470225 DOI: 10.1002/chem.202001414] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 05/27/2020] [Indexed: 12/19/2022]
Abstract
Sulfur-containing scaffold, as a ubiquitous structural motif, has been frequently used in natural products, bioactive chemicals and pharmaceuticals, particularly C-S/N-S bonds are indispensable in many biological important compounds and pharmaceuticals. Development of mild and general methods for C-S/N-S bonds formation has great significance in modern research. Iodine and its derivatives have been recognized as inexpensive, environmentally benign and easy-handled catalysts or reagents to promote the construction of C-S/N-S bonds under mild reaction conditions, with good regioselectivities and broad substrate scope. Especially based on this, several new strategies, such as oxidation relay strategy, have been greatly developed and accelerated the advancement of this field. This review focuses on recent advances in iodine and its derivatives promoted hybridized C-S/N-S bonds formation. The features and mechanisms of corresponding reactions are summarized and the results of some cases are compared with those of previous reports. In addition, the future of this domain is discussed.
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Affiliation(s)
- Honghua Zhang
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Huihong Wang
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou, 730000, P. R. China
| | - Yi Jiang
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Fei Cao
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou, 730000, P. R. China
| | - Weiwei Gao
- State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou, 730000, P. R. China
| | - Longqing Zhu
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Yuhang Yang
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Xiaodong Wang
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Yongqiang Wang
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Jinhong Chen
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Yiyue Feng
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Xuemei Deng
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Yingmei Lu
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Xiaoling Hu
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Xiangxiang Li
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Juan Zhang
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Tao Shi
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China
| | - Zhen Wang
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, P. R. China.,State Key Laboratory of Applied Organic Chemistry, College of, Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou, 730000, P. R. China
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9
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Liu C, Li Z, Weng Z, Fang X, Zhao F, Tang K, Chen J, Ma W. Transition‐Metal‐Free Selective C(sp
3
)−H Thiolation of Arylacetamides with Substituted Benzenethiols, Aryl Sulfenylchlorides and Diaryl Disulfides. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000083] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Changying Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of AntibioticsChengdu University Huaguan Road. 168 610052 Chengdu P. R. China
| | - Zheyu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of AntibioticsChengdu University Huaguan Road. 168 610052 Chengdu P. R. China
| | - Zhengyun Weng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of AntibioticsChengdu University Huaguan Road. 168 610052 Chengdu P. R. China
| | - Xinyue Fang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of AntibioticsChengdu University Huaguan Road. 168 610052 Chengdu P. R. China
| | - Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of AntibioticsChengdu University Huaguan Road. 168 610052 Chengdu P. R. China
| | - Kehui Tang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of AntibioticsChengdu University Huaguan Road. 168 610052 Chengdu P. R. China
| | - Jianyang Chen
- College of Chemistry and Environmental EngineeringChongqing University of Arts and Sciences No.319 Honghe Avenue, Yongchuan Chongqing P. R. China
| | - Wenbo Ma
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of AntibioticsChengdu University Huaguan Road. 168 610052 Chengdu P. R. China
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