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Tantipanjaporn A, Kung KYK, Deng JR, Wong MK. Modular synthesis of pentacyclic-fused pyranoquinoliziniums as organelle-selective fluorescent probes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 319:124524. [PMID: 38824759 DOI: 10.1016/j.saa.2024.124524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/30/2024] [Accepted: 05/23/2024] [Indexed: 06/04/2024]
Abstract
On basis of their unique chemical and photophysical properties, and excellent biological activities, quinoliziniums have been widely used in various research fields. Herein, modular synthetic strategies for efficient synthesis of novel fluorescent quinoliziniums by using one-pot and stepwise rhodium(III)-catalyzed C-H annulations were developed. In the one-pot synthesis, the reaction between 2-aryl-4-quinolones (1) and 1,2-diarylalkynes (2) proceeded in a chemo- and regioselective manner to give quinolinone-fused isoquinolines (3) and pentacyclic-fused pyranoquinoliziniums (4). The structural diversity of pentacyclic-fused pyranoquinoliziniums (4) was expanded by the stepwise synthesis from 3 and 2, allowing the strategic incorporation of electron-donating (OMe and OH) and electron-withdrawing (Cl) substituents on the top and bottom parts of the pyranoquinoliziniums (4). These newly synthesized pyranoquinoliziniums (4) exhibited tunable absorptions (455-532 nm), emissions (520-610 nm), fluorescence lifetime (0.3-5.6 ns), large Stokes shifts (up to 120 nm), and excellent fluorescence quantum yields (up to 0.73) upon adjusting the different substituents. The the unique arrangement of N and O atoms and extended π-conjugation of 4 could cause the relocation of HOMO comparing with our previous quinoliziniums. Importantly, pyranoquinoliziniums (4a-4g and 4i) targeted the mitochondria, while 4h was localized in lysosome. Due to the remarkable photophysical properties and the potential for organelle targeting of the novel class of quinoliziniums, they could be further applied for biological, chemical and material applications.
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Affiliation(s)
- Ajcharapan Tantipanjaporn
- State Key Laboratory of Chemical Biology and Drug Discovery, Research Institute for Future Food, Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
| | - Ka-Yan Karen Kung
- State Key Laboratory of Chemical Biology and Drug Discovery, Research Institute for Future Food, Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
| | - Jie-Ren Deng
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
| | - Man-Kin Wong
- State Key Laboratory of Chemical Biology and Drug Discovery, Research Institute for Future Food, Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China.
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Tummanapalli S, Gulipalli KC, Bodige S, Pommidi AK, Boya R, Choppadandi S, Bakangari MR, Punna SK, Medaboina S, Mamindla DY, Kanuka A, Endoori S, Ganapathi VK, Kottam SD, Kalbhor D, Valluri M. Cu-Catalyzed Tandem C-N and C-C Bond Formation Leading to 4( 1H)-Quinolones: A Scaffold with Diverse Biological Properties from Totally New Raw Materials in a Single Step. J Org Chem 2024; 89:1609-1617. [PMID: 38238153 DOI: 10.1021/acs.joc.3c02215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
A novel Cu-catalyzed tandem C-N and C-C bond-formation reaction has been developed to furnish 2-substituted-4-(1H)-quinolones. 4-(1H)-quinolones play an important role in medicinal chemistry. Many 2-aryl(alkyl)-4(1H)-quinolones are found to exhibit diverse biological properties. While traditional methods have inherent issues [like starting materials with incompatible functional groups (NH2 and keto groups)], many modern methods either require activated starting materials (like Ynones) or employ expensive metals (Pd, Rh, Au, etc.) involving carbonylation using CO or metal complexes. Our protocol presents an environmentally friendly one-step method for the construction of these useful 2-substituted-4-(1H)-quinolones from easily available aryl boronic acid (or pinacolate ester) and nitriles as new raw materials, using a cheap Cu-catalyst and O2 (air) as a green oxidant. We further extended its application to the synthesis of various natural products, including the first formal total synthesis of punarnavine. A plausible mechanism involving an aryl nitrilium ion (formed due to the intermolecular C-N bond-forming coupling between aryl boron species and the nitrile group) followed by tandem intramolecular C-C bond formation has been proposed.
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Affiliation(s)
- Satyanarayana Tummanapalli
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Kali Charan Gulipalli
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Srinu Bodige
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Anil Kumar Pommidi
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Ravi Boya
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Suresh Choppadandi
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Mahendar Reddy Bakangari
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Shiva Kumar Punna
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Srinivas Medaboina
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Devender Yadav Mamindla
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Ashok Kanuka
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Srinivas Endoori
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Vijay Kumar Ganapathi
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Sainath Dharmavaram Kottam
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Dinesh Kalbhor
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
| | - Muralikrishna Valluri
- Curia India Pvt. Ltd (Formerly Albany Molecular Research Hyderabad Research Centre), Plot # 9, MN Park, Turkapally, Shameerpet, Genome Valley, RR District, Hyderabad 500078, India
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Nguyen HT, Van KT, Pham-The H, Braire J, Thi PH, Nguyen TA, Nguyen Thi QG, Dang Thi TA, Le-Nhat-Thuy G, Le Thi TA, Ngoc DV, Nguyen Van T. Synthesis, molecular docking analysis and in vitro evaluation of new heterocyclic hybrids of 4-aza-podophyllotoxin as potent cytotoxic agents. RSC Adv 2024; 14:1838-1853. [PMID: 38192320 PMCID: PMC10772362 DOI: 10.1039/d3ra07396c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/27/2023] [Indexed: 01/10/2024] Open
Abstract
Two different synthetic approaches to novel heterocyclic hybrid compounds of 4-azapodophyllotoxin were investigated. The obtained products were characterized by infrared spectroscopy, nuclear magnetic resonance spectroscopy, and high-resolution mass spectrometry. MTT protocol was then performed to examine the cytotoxic activity of these products against KB, HepG2, A549, MCF7, and Hek-293 cell lines. The cytotoxic assessment indicated that all products displayed moderate to high cytotoxicity against all tested cancer cell lines. The most active compound 13k containing the 2-methoxypyridin-4-yl group exhibited selective cytotoxicity against KB, A549, and HepG2 cell lines with the IC50 values ranging from 0.23 to 0.27 μM, which were between 5- to 10-fold more potent than the positive control ellipticine. Compounds 13a (HetAr = thiophen-3-yl) and 13d (HetAr = 5-bromofuran-2-yl) displayed high cytotoxic selectivity for A549 and HepG2 cancer cell lines when compared to the other cancer cell lines and low toxicity to the normal Hek-293 cell line. Molecular docking study was conducted to evaluate the interaction of new synthesized compounds with the colchicine-binding-site of tubulin. Besides that, physicochemical and pharmacokinetic properties of the most active compounds 13h,k were predicted.
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Affiliation(s)
- Ha Thanh Nguyen
- Institute of Chemistry, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Ket Tran Van
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
- Military Technical Academy 236 Hoang Quoc Viet, Bac Tu Liem Hanoi Vietnam
| | - Hai Pham-The
- University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Julien Braire
- Université de Rennes 1 2 Av. du Professeur Léon Bernard 35042 Rennes France
| | - Phuong Hoang Thi
- Institute of Chemistry, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Tuan Anh Nguyen
- Institute of Chemistry, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Quynh Giang Nguyen Thi
- Institute of Chemistry, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Tuyet Anh Dang Thi
- Institute of Chemistry, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Giang Le-Nhat-Thuy
- Institute of Chemistry, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Tu Anh Le Thi
- Institute of Chemistry, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Doan Vu Ngoc
- Military Technical Academy 236 Hoang Quoc Viet, Bac Tu Liem Hanoi Vietnam
| | - Tuyen Nguyen Van
- Institute of Chemistry, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
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Ferretti F, Fouad MA, Abbo C, Ragaini F. Effective Synthesis of 4-Quinolones by Reductive Cyclization of 2'-Nitrochalcones Using Formic Acid as a CO Surrogate. Molecules 2023; 28:5424. [PMID: 37513296 PMCID: PMC10386197 DOI: 10.3390/molecules28145424] [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: 06/23/2023] [Revised: 07/06/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
4-Quinolones are the structural elements of many pharmaceutically active compounds. Although several approaches are known for their synthesis, the introduction of an aryl ring in position 2 is problematic with most of them. The reductive cyclization of o-nitrochalcones by pressurized CO, catalyzed by ruthenium or palladium complexes, has been previously reported to be a viable synthetic strategy for this aim, but the need for pressurized CO lines and autoclaves has prevented its widespread use. In this paper, we describe the use of the formic acid/acetic anhydride mixture as a CO surrogate, which allows us to perform the reaction in a cheap and commercially available thick-walled glass tube without adding any gaseous reagent. The obtained yields are often high and compare favorably with those previously reported by the use of pressurized CO. The procedure was applied to a three-step synthesis from commercially available and cheap reagents of the alkaloid Graveoline.
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Affiliation(s)
- Francesco Ferretti
- Dipartimento di Chimica, Università Degli Studi di Milano, Via C. Golgi 19, 20133 Milano, Italy
| | - Manar Ahmed Fouad
- Dipartimento di Chimica, Università Degli Studi di Milano, Via C. Golgi 19, 20133 Milano, Italy
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426, Alexandria 21321, Egypt
| | - Cecilia Abbo
- Dipartimento di Chimica, Università Degli Studi di Milano, Via C. Golgi 19, 20133 Milano, Italy
| | - Fabio Ragaini
- Dipartimento di Chimica, Università Degli Studi di Milano, Via C. Golgi 19, 20133 Milano, Italy
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