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Singh R, Kumar R, Pandrala M, Kaur P, Gupta S, Tailor D, Malhotra SV, Salunke DB. Facile synthesis of C6-substituted benz[4,5]imidazo[1,2-a]quinoxaline derivatives and their anticancer evaluation. Arch Pharm (Weinheim) 2021; 354:e2000393. [PMID: 33749032 DOI: 10.1002/ardp.202000393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 02/17/2021] [Accepted: 02/19/2021] [Indexed: 01/10/2023]
Abstract
Cancer remains a leading cause of death worldwide, resulting in continuous efforts to discover and develop highly efficacious anticancer drugs. High-throughput screening of heterocyclic compound libraries is one of the promising approaches that provided several new lead molecules with a novel mechanism of action. On the basis of the promising anticancer potential of imidazoquinoxaline as well as the structurally similar imidazoquinoline-derived scaffold, we prepared a set of C6-substituted benzimidazo[1,2-a]quinoxaline derivatives via two novel synthetic routes using commercially available starting materials, with good to excellent yields and evaluated their anticancer activity against the NCI-60 cancer cell lines. The one-dose (10 µM) anticancer screening of the synthesized compounds in the NCI-60 cell line panel revealed that the substituents have a significant role in the activity. In particular, the indole (7f), imidazole (7g), and benzimidazole (7h) derivatives showed significant activity against the triple-negative breast cancer cell line, MDA-MB-468. The lead compounds also exhibited notable IC50 values against another breast cancer cell line, MCF-7. Furthermore, it was observed that these compounds were relatively nontoxic to normal cell lines: HEK293 (human embryonic kidney cell line) and MCF12A (nontumorigenic human breast epithelial cell line). The IC50 values against healthy cells were at least 5- to 11-fold higher, offering a new class of heterocycles that can be further developed as promising therapeutics for cancer treatment.
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Affiliation(s)
- Rahul Singh
- Department of Chemistry and Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh, India
| | - Ravinder Kumar
- Department of Chemistry and Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh, India
| | - Mallesh Pandrala
- Department of Cell, Developmental and Cancer Biology, Center for Experimental Therapeutics, Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon, USA
| | - Parleen Kaur
- Department of Chemistry and Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh, India
| | - Saloni Gupta
- Department of Human Biology, University of Toronto, St. George Campus, Toronto, Ontario, Canada
| | - Dhanir Tailor
- Department of Cell, Developmental and Cancer Biology, Center for Experimental Therapeutics, Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon, USA
| | - Sanjay V Malhotra
- Department of Cell, Developmental and Cancer Biology, Center for Experimental Therapeutics, Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon, USA
| | - Deepak B Salunke
- Department of Chemistry and Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh, India.,National Interdisciplinary Centre of Vaccine, Immunotherapeutics and Antimicrobials, Panjab University, Chandigarh, India
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2
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Cardoza S, Shrivash MK, Das P, Tandon V. Strategic Advances in Sequential C-Arylations of Heteroarenes. J Org Chem 2020; 86:1330-1356. [PMID: 33356264 DOI: 10.1021/acs.joc.0c02151] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Sequence-specific C-arylation strategies have important applications in medicinal and material research. These strategies allow C-C bond formations in a regioselective manner to synthesize large molecular libraries for studying structure-activity profiles. The past decade has seen the development of single C-C bond forming reactions using various transition-metal catalysts, cryogenic metalation strategies, and metal-free methods. Sequential arylations of heterocycles allow for the formation of multiaryl derivatives and are a preferred choice over de novo synthetic routes. This perspective sheds light on recent strategic advances to develop various sequential synthetic routes for the multiarylation of heteroarenes. This perspective addresses many challenges in optimizing sequential routes with respect to catalysts, reaction parameters, and various strategies adopted to obtain diversely arylated products.
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Affiliation(s)
- Savio Cardoza
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Manoj Kumar Shrivash
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India.,Department of Applied Sciences, Indian Institute of Information Technology, Allahabad 211012, India
| | - Parthasarathi Das
- Department of Chemistry, Indian Institute of Technology (ISM), Dhanbad 826004, India
| | - Vibha Tandon
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
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3
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Aneeja T, Neetha M, Afsina CMA, Anilkumar G. Progress and prospects in copper-catalyzed C-H functionalization. RSC Adv 2020; 10:34429-34458. [PMID: 35514395 PMCID: PMC9056871 DOI: 10.1039/d0ra06518h] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/02/2020] [Indexed: 01/21/2023] Open
Abstract
Copper-catalyzed C-H functionalization is becoming a significant area in organic chemistry. Copper is now widely used as a catalyst in organic synthesis as it is inexpensive and not very toxic. Functionalization of C-H bonds to construct wide varieties of organic compounds has received much attention in recent times. This review focuses on the recent advances in Cu-catalyzed C-H functionalization and covers literature from 2018-2020.
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Affiliation(s)
- Thaipparambil Aneeja
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India (+91) 481-2731036
| | - Mohan Neetha
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India (+91) 481-2731036
| | - C M A Afsina
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India (+91) 481-2731036
| | - Gopinathan Anilkumar
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India (+91) 481-2731036
- Advanced Molecular Materials Research Centre (AMMRC), Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India
- Institute for Integrated Programmes and Research in Basic Sciences (IIRBS), Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India
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InCl3 mediated heteroarylation of indoles and their derivatization via C H activation strategy: Discovery of 2-(1H-indol-3-yl)-quinoxaline derivatives as a new class of PDE4B selective inhibitors for arthritis and/or multiple sclerosis. Eur J Med Chem 2019; 174:198-215. [DOI: 10.1016/j.ejmech.2019.04.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 04/03/2019] [Accepted: 04/09/2019] [Indexed: 12/22/2022]
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5
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Zhao F, Jia X, Zhao J, Fei C, Liu L, Liu G, Wang D, Chen F. Palladium(ii)-catalyzed ortho-C–H olefination of phenylalanine and phenylethylamine derivatives directed by removable picolinamide group. RSC Adv 2017. [DOI: 10.1039/c7ra02574b] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Palladium-catalyzed ortho-C–H olefination of phenylalanine and phenylethylamine derivatives assisted by a removable picolinamide group has been achieved.
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Affiliation(s)
- Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- P. R. China
| | - Xiuwen Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- P. R. China
| | - Jingwei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- P. R. China
| | - Chaoli Fei
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- P. R. China
| | - Liyang Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- P. R. China
| | - Guannan Liu
- College of Life Sciences
- China Jiliang University
- Hangzhou 310018
- P. R. China
| | - Dongping Wang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- P. R. China
| | - Fei Chen
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province
- Sichuan Industrial Institute of Antibiotics
- Chengdu University
- Chengdu 610052
- P. R. China
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6
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Leitch JA, Cook HP, Bhonoah Y, Frost CG. Use of the Hydantoin Directing Group in Ruthenium(II)-Catalyzed C–H Functionalization. J Org Chem 2016; 81:10081-10087. [DOI: 10.1021/acs.joc.6b02073] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Jamie A. Leitch
- Department
of Chemistry, University of Bath, Claverton Down, Bath, Somerset BA2 7AY, United Kingdom
| | - Hans P. Cook
- Department
of Chemistry, University of Bath, Claverton Down, Bath, Somerset BA2 7AY, United Kingdom
| | - Yunas Bhonoah
- Jealott’s
Hill International Research Centre, Syngenta, Bracknell, Berkshire RG42 6EY, United Kingdom
| | - Christopher G. Frost
- Department
of Chemistry, University of Bath, Claverton Down, Bath, Somerset BA2 7AY, United Kingdom
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Nikumbh SP, Raghunadh A, Murthy VN, Jinkala R, Joseph SC, Murthy YLN, Prasad B, Pal M. A greener approach towards double heteroarylation of N, O and S nucleophiles: synthesis of bioactive polynuclear fused N-heteroarenes. RSC Adv 2015. [DOI: 10.1039/c5ra16727b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We report first general and common strategy for double heteroarylation of N, O and S nucleophiles leading to polynuclear N-heteroarenes.
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Affiliation(s)
- Satish P. Nikumbh
- Technology Development Centre
- Custom Pharmaceutical Services
- Dr Reddy's Laboratories Ltd
- Hyderabad 500049
- India
| | - Akula Raghunadh
- Technology Development Centre
- Custom Pharmaceutical Services
- Dr Reddy's Laboratories Ltd
- Hyderabad 500049
- India
| | - V. Narayana Murthy
- Technology Development Centre
- Custom Pharmaceutical Services
- Dr Reddy's Laboratories Ltd
- Hyderabad 500049
- India
| | - Rajesh Jinkala
- Technology Development Centre
- Custom Pharmaceutical Services
- Dr Reddy's Laboratories Ltd
- Hyderabad 500049
- India
| | - Suju C. Joseph
- Technology Development Centre
- Custom Pharmaceutical Services
- Dr Reddy's Laboratories Ltd
- Hyderabad 500049
- India
| | - Y. L. N. Murthy
- Department of Organic Chemistry
- Andhra University
- Visakhapatnam 530003
- India
| | - Bagineni Prasad
- Dr Reddy's Institute of Life Sciences
- University of Hyderabad Campus
- Hyderabad 500 046
- India
| | - Manojit Pal
- Dr Reddy's Institute of Life Sciences
- University of Hyderabad Campus
- Hyderabad 500 046
- India
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