1
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Pedroso de Lima F, Costa M, Sousa A, Proença MF. The Chromenopyridine Scaffold: A Privileged Platform in Drug Design. Molecules 2024; 29:3004. [PMID: 38998955 PMCID: PMC11243271 DOI: 10.3390/molecules29133004] [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: 04/23/2024] [Revised: 06/07/2024] [Accepted: 06/19/2024] [Indexed: 07/14/2024] Open
Abstract
The chromenopyridine scaffold represents an important class of heterocyclic compounds exhibiting a broad spectrum of biological properties. This review describes novel and efficient procedures for the synthesis of this scaffold. Herein, several methods were detailed and grouped according to their starting material (e.g., salicylaldehydes, chromones, chromanones and coumarins) and respective biological activity, when reported. This review highlights the potential of the reported synthetic strategies for preparing chromenopyridine derivatives with promising biological activity, paving the way for further developments in drug discovery.
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Affiliation(s)
- Fábio Pedroso de Lima
- Chemistry Centre, School of Sciences, University of Minho, Gualtar Campus, 4715-303 Braga, Portugal
- Centre for Textile Science and Technology (2C2T), University of Minho, Azurém Campus, 4800-058 Guimarães, Portugal
| | - Marta Costa
- Life and Health Sciences Research Institute (ICVS), University of Minho, Gualtar Campus, 4710-057 Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
| | - Ana Sousa
- Chemistry Centre, School of Sciences, University of Minho, Gualtar Campus, 4715-303 Braga, Portugal
- Life and Health Sciences Research Institute (ICVS), University of Minho, Gualtar Campus, 4710-057 Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
| | - Maria Fernanda Proença
- Chemistry Centre, School of Sciences, University of Minho, Gualtar Campus, 4715-303 Braga, Portugal
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2
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Agrawal N, Goswami R, Pathak S. Synthetic Methods for Various Chromeno-fused Heterocycles and their Potential as Antimicrobial Agents. Med Chem 2024; 20:115-129. [PMID: 37855281 DOI: 10.2174/0115734064274748231005074100] [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: 07/29/2023] [Revised: 09/13/2023] [Accepted: 09/20/2023] [Indexed: 10/20/2023]
Abstract
Chromenes are a significant family of heterocyclic chemicals that have a wide range of biological applications, a simple chemical structure, and only mildly undesirable side effects. The synthesis of a wide range of chromene analogs that displayed unexpected behaviors via numerous mechanisms was investigated by a number of different research teams, which led to the discovery of multiple pathways for their synthesis. In addition, different chromene-fused heterocycles exhibit a wide variety of fascinating biological actions, including those that are anticancer, anticonvulsant, antibacterial, anticholinesterase, antituberculosis, and anti-diabetic. In light of this, the purpose of this study is to highlight the many synthesis techniques and antibacterial activity associated with chromene-fused heterocyclic compounds. Moreover, such research can open avenues for exploring other therapeutic applications of these compounds in various disease areas, as their biological activities extend beyond antibacterial effects.
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Affiliation(s)
- Neetu Agrawal
- Institute of Pharmaceutical Research, GLA University, Mathura, 281406, UP, India
| | - Radhika Goswami
- Institute of Pharmaceutical Research, GLA University, Mathura, 281406, UP, India
| | - Shilpi Pathak
- Institute of Pharmaceutical Research, GLA University, Mathura, 281406, UP, India
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3
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Shkoor M, Thotathil V, Al-Zoubi RM, Su HL, Bani-Yaseen AD. Combined experimental and computational investigations of the fluorosolvatochromism of chromeno[4,3-b]pyridine derivatives: Effect of the methoxy substitution. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123210. [PMID: 37536243 DOI: 10.1016/j.saa.2023.123210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 07/23/2023] [Accepted: 07/26/2023] [Indexed: 08/05/2023]
Abstract
Extensive research has been conducted on the spectral properties of chromeno[4,3-b]pyridine derivatives, owing to their potential applications in sensing, optoelectronic devices, and drug discovery. This study presents a comprehensive investigation into the fluorosolvatochromism of selected chromeno[4,3-b]pyridine derivatives, with a particular emphasis on the impact of methoxy substitution. Three derivatives were synthesized and subjected to spectral analysis: chromeno[4,3-b]pyridine-3-carboxylate (I) as the parent compound, and its 7-methoxy (II) and 8-methoxy (III) substituted derivatives.The UV-Vis absorption spectra of all derivatives exhibited a broad band with a maximum absorption wavelength that remained unaffected by the surrounding medium. However, distinct fluorescence properties were observed among them. Specifically, derivative II displayed notable fluorescence, while derivatives I and III exhibited no fluorescence properties. Furthermore, derivative II exhibited a fluorescence spectrum that is significantly influenced by the polarity of the medium. To investigate the fluorosolvatochromic behavior in depth, we conducted a comprehensive analysis using various neat solvents with different polarities and hydrogen bonding capabilities. The results obtained revealed a significant positive fluorosolvatochromism, with a bathochromic shift in the fluorescence spectrum as the solvent polarity increased. To understand how specific and non-specific interactions between the solute and the solvent affected the fluorosolvatochromism of II, we employed the four empirical scales model of Catalán. The obtained results demonstrated that intramolecular charge transfer played a crucial role in the fluorescence behavior of II. To provide a molecular-level explanation for the experimental spectral properties, we utilized the DFT and TD-DFT/B3LYP/6-31 + G(d) computational methods with the IEFPCM implicit solvation approach. The spectral differences between II and III were rationalized in terms of the frontier molecular orbitals (FMOs: the HOMO and LUMO), where distinct natures were observed among the examined derivatives. This study offers valuable insights into the impact of methoxy substitution on the physical and chemical properties of chromeno[4,3-b]pyridine derivatives, specifically concerning their spectral properties as elucidated by their fluorosolvatochromic behavior.
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Affiliation(s)
- Mohanad Shkoor
- Department of Chemistry & Earth Sciences, Faculty of Arts & Science, Qatar University, P.O. Box: 2713, Doha, Qatar.
| | - Vandana Thotathil
- Department of Chemistry & Earth Sciences, Faculty of Arts & Science, Qatar University, P.O. Box: 2713, Doha, Qatar
| | - Raed M Al-Zoubi
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar; Department of Biomedical Sciences, College of Health Sciences, QU-Health, Qatar University, Doha 2713, Qatar; Department of Chemistry, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
| | - Haw-Lih Su
- Department of Nature Biotechnology, Nanhua University, Chiayi County 62249, Taiwan
| | - Abdulilah Dawoud Bani-Yaseen
- Department of Chemistry & Earth Sciences, Faculty of Arts & Science, Qatar University, P.O. Box: 2713, Doha, Qatar.
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4
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Taghrir H, Faghih Z, Ghashang M, Emami L, Dalili S, Khabnadideh S. Barium silicate nanoparticles, an efficient catalyst for one-pot green synthesis of α-benzyl amino coumarin derivatives as potential chemotherapeutic agents. RSC Adv 2023; 13:21127-21137. [PMID: 37449028 PMCID: PMC10337722 DOI: 10.1039/d3ra00796k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023] Open
Abstract
A new, simple, and efficient method for synthesis of α-benzyl amino coumarin and its derivatives (1-24) is described via a one-pot, three-component condensation of aromatic aldehydes, amine, and 4-hydroxycoumarin under green chemistry conditions: water as a solvent and BaSiO3 nanoparticles as catalyst. BaSiO3 nanoparticles and all synthesized derivatives were characterized by multiple methods including; XRD, NMR, and FE-SEM. This method which gives higher yields, is also less expensive, and more environmentally friendly compared with other methods in the literature. In silico physicochemical and pharmacokinetics analyses were done on all synthesized compounds and indicated that these α-benzyl amino coumarins would be effective scaffolds for the future development of chemotherapeutic agents.
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Affiliation(s)
- Hadi Taghrir
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences Shiraz Islamic Republic of Iran +98-7132424126 +98-7132424127
| | - Zeinab Faghih
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences Shiraz Islamic Republic of Iran +98-7132424126 +98-7132424127
| | - Majid Ghashang
- Department of Chemistry, Najafabad Branch, Islamic Azad University Najafabad Iran +98-3142291016 +98-3142291004
| | - Leila Emami
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences Shiraz Islamic Republic of Iran +98-7132424126 +98-7132424127
| | - Shadi Dalili
- Department of Physical and Environmental Sciences 1265 Military Trail Scarborough ON M1C 1A4 Canada
| | - Soghra Khabnadideh
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences Shiraz Islamic Republic of Iran +98-7132424126 +98-7132424127
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5
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Rey Apostol Romal J, Kee Ong S. Extending the Library of 4‐Hydroxycoumarin Derivatives with Potential Pharmacological Activity by a Catalyst‐Free and Purification‐Free Method. ChemistrySelect 2023. [DOI: 10.1002/slct.202300519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Affiliation(s)
- John Rey Apostol Romal
- Department of Chemistry Grand View University 1200 Grandview Ave Des Moines IA 50316 USA
- Department of Civil, Construction, and Environmental Engineering Iowa State University 813 Bissell Rd. Ames IA 50011 USA
| | - Say Kee Ong
- Department of Civil, Construction, and Environmental Engineering Iowa State University 813 Bissell Rd. Ames IA 50011 USA
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6
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Medishetti N, Banda BP, Nanubolu JB, Atmakur K. TPP‐NBS Induced [3+3] Cascade Annulation of Propargylic Alcohols and 1,3‐Bis Nucleophiles: Access to Chromenopyridines, 1,2‐Dihydropyridines**. ChemistrySelect 2023. [DOI: 10.1002/slct.202204964] [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)
- Nagaraju Medishetti
- Fluoro-Agrochemicals Department CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Bhanu Prasad Banda
- Fluoro-Agrochemicals Department CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
| | - Jagadeesh Babu Nanubolu
- Laboratory of X-ray Crystallography CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Krishnaiah Atmakur
- Fluoro-Agrochemicals Department CSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad 500 007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
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7
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Acetylcoumarin in cyclic and heterocyclic-containing coumarins: Synthesis and biological applications. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Sharma S, Bhuyan M, Baishya G. K
2
S
2
O
8
Mediated Three‐component Radical Cascade C3 Alkylation of Quinoxalin‐2(1
H
)‐ones with Vinylarenes and 4‐Hydroxycoumarins/4‐Hydroxy‐6‐methyl‐2‐pyrone. ChemistrySelect 2022. [DOI: 10.1002/slct.202201541] [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)
- Suraj Sharma
- Natural Products Chemistry Group Chemical Science & Technology Division CSIR-North East Institute of Science and Technology Jorhat 785006 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Mayurakhi Bhuyan
- Natural Products Chemistry Group Chemical Science & Technology Division CSIR-North East Institute of Science and Technology Jorhat 785006 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
| | - Gakul Baishya
- Natural Products Chemistry Group Chemical Science & Technology Division CSIR-North East Institute of Science and Technology Jorhat 785006 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad Uttar Pradesh 201002 India
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9
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Chen Z, Zeng P, Zhang S, Sun J. Recent Advances in Organic Synthesis of 3-Amino- or 4-Aminocoumarins. MINI-REV ORG CHEM 2022. [DOI: 10.2174/1570193x18666211001124004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:
Coumarin is a privileged scaffold that contains the unique 2H-chromen-2-one motif, and its
derivatives are widely distributed in nature, especially in plants. In recent years, due to their diverse
pharmacological activities and remarkable photochemical properties, they have attracted significant
attention from scientists, which has also prompted the research on the synthesis approaches and the
availability of substrates for these compounds. This article is a brief description of the methods for the
synthesis of various coumarin derivatives via two- or multi-component reactions involving 3-amino
or 4-aminocoumarin reported during 2015-2021. This review may help expand the development of
various analogues with coumarin as the basic unit.
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Affiliation(s)
- Zhiwei Chen
- College of Pharmaceutical Sciences, Zhejiang University of Technology, and Institute of Drug Synthesis, Zhejiang University
of Technology, Hangzhou 310014, P.R. China
| | - Piaopiao Zeng
- College of Pharmaceutical Sciences, Zhejiang University of Technology, and Institute of Drug Synthesis, Zhejiang University
of Technology, Hangzhou 310014, P.R. China
| | - Shuo Zhang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, and Institute of Drug Synthesis, Zhejiang University
of Technology, Hangzhou 310014, P.R. China
| | - Jie Sun
- College of Pharmaceutical Sciences, Zhejiang University of Technology, and Institute of Drug Synthesis, Zhejiang University
of Technology, Hangzhou 310014, P.R. China
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10
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Abd El Ghani GE, Elmorsy MA, Ibrahim ME. Docking Studies on Some Synthesized 5H-Chromeno[4,3-b]Pyridin-5-One Derivatives for Breast Cancer. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2038216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
| | - Mohammad A. Elmorsy
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Mona E. Ibrahim
- Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt
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11
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Shadmehr A, Abdolmohammadi S. An Expedient Synthesis of [1]Benzopyrano[ b]pyridin-3-carbonitriles Catalyzed by NiCr 2O 4 NPs. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2020.1739083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Ariya Shadmehr
- Department of Chemistry, East Tehran Branch, Islamic Azad University, Tehran, Iran
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12
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Farajpour B, Alizadeh A. Chemoselective and one-pot synthesis of novel coumarin-based cyclopenta[ c]pyrans via base-mediated reaction of α,β-unsaturated coumarins and β-ketodinitriles. RSC Adv 2022; 12:7262-7267. [PMID: 35424660 PMCID: PMC8982290 DOI: 10.1039/d2ra00594h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/17/2022] [Accepted: 02/18/2022] [Indexed: 11/21/2022] Open
Abstract
In this paper, the base-mediated cascade reactions of 4-chloro-3-vinyl coumarins with β-ketodinitriles were demonstrated, allowing the efficient synthesis of coumarin-based cyclopenta[c]pyran-7-carbonitriles with interesting chemoselectivity.
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Affiliation(s)
- Behnaz Farajpour
- Department of Chemistry, Tarbiat Modares University, P. O. Box 14115-175, Tehran, Iran
| | - Abdolali Alizadeh
- Department of Chemistry, Tarbiat Modares University, P. O. Box 14115-175, Tehran, Iran
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13
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Kamali M, Keramat Pirolghor F. One‐pot three‐component synthesis of novel chromeno[3,2‐
c
]pyridine‐1,9(
2
H
)‐diones by using
SnCl
2
⋅2H
2
O
as catalyst. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4404] [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]
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14
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Zeng P, Huang X, Tang W, Chen Z. Copper-catalyzed cascade radical cyclization of alkynoates: construction of aryldifluoromethylated coumarins. Org Biomol Chem 2021; 19:10223-10227. [PMID: 34806739 DOI: 10.1039/d1ob01754c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A mild and simple method is reported for the construction of 3-difluoroarylmethylated coumarins using α,α-difluoroarylacetic acids as an easily handled difluoromethyl source in reaction with ester 3-arylpropiolates under the promotion of copper. The reaction involves a proposed radical-triggered domino decarboxylative aryldifluoromethylation/5-exo cyclization/ester migration process that directly forms Csp2-CF2Ar and C-C bonds with good functional group tolerance.
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Affiliation(s)
- Piaopiao Zeng
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology; College of Pharmaceutical Sciences, Zhejiang University of Technology, Chao Wang Road 18th, 310014 Hangzhou, China.
| | - Xiaoxiao Huang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology; College of Pharmaceutical Sciences, Zhejiang University of Technology, Chao Wang Road 18th, 310014 Hangzhou, China.
| | - Wei Tang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology; College of Pharmaceutical Sciences, Zhejiang University of Technology, Chao Wang Road 18th, 310014 Hangzhou, China.
| | - Zhiwei Chen
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology; College of Pharmaceutical Sciences, Zhejiang University of Technology, Chao Wang Road 18th, 310014 Hangzhou, China.
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15
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Alizadeh A, Farajpour B, Rezaiyehraad R, Khanpour M. When 4‐Chloro‐3‐vinyl Coumarins Meet Cyclic 1,3‐Diketones: Chemoselective and Unexpected Synthesis of Benzocoumarin Derivatives. ChemistrySelect 2021. [DOI: 10.1002/slct.202103193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Abdolali Alizadeh
- Department of Chemistry Tarbiat Modares University, P.O. Box 14115-175 Tehran Iran
| | - Behnaz Farajpour
- Department of Chemistry Tarbiat Modares University, P.O. Box 14115-175 Tehran Iran
| | - Reza Rezaiyehraad
- Department of Chemistry Tarbiat Modares University, P.O. Box 14115-175 Tehran Iran
| | - Mojtaba Khanpour
- Department of Chemistry Tarbiat Modares University, P.O. Box 14115-175 Tehran Iran
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16
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Soares MIL, Gomes CSB, Oliveira MC, Marçalo J, Pinho E Melo TMVD. Synthesis of 5 H-chromeno[3,4- b]pyridines via DABCO-catalyzed [3 + 3] annulation of 3-nitro-2 H-chromenes and allenoates. Org Biomol Chem 2021; 19:9711-9722. [PMID: 34726223 DOI: 10.1039/d1ob01130h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The DABCO-catalyzed [3 + 3] annulation between 3-nitro-2H-chromenes and benzyl 2,3-butadienoate has been developed as a route to 5H-chromeno[3,4-b]pyridine derivatives. Under optimal reaction conditions, 5H-chromeno[3,4-b]pyridines incorporating two allenoate units were obtained in moderate to good yields (30-76%). The same type of transformation could be carried out using butynoates as allene surrogates. Mechanistic studies by mass spectrometry allowed the identification of the key intermediates involved in the reaction mechanism. The reported synthetic methodology represents an entirely new approach for the synthesis of the 5H-chromeno[3,4-b]pyridine core structure based on allene chemistry.
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Affiliation(s)
- Maria I L Soares
- University of Coimbra, Coimbra Chemistry Centre (CQC) and Department of Chemistry, 3004-535 Coimbra, Portugal.
| | - Clara S B Gomes
- LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal.,Associate Laboratory i4HB - Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal.,UCIBIO, Department of Chemistry, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
| | - M Conceição Oliveira
- Centro de Química Estrutural (CQE), Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Joaquim Marçalo
- Centro de Química Estrutural (CQE), Instituto Superior Técnico, Universidade de Lisboa, 2695-066 Bobadela LRS, Portugal
| | - Teresa M V D Pinho E Melo
- University of Coimbra, Coimbra Chemistry Centre (CQC) and Department of Chemistry, 3004-535 Coimbra, Portugal.
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17
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Borah B, Dhar Dwivedi K, Chowhan LR. 4‐Hydroxycoumarin: A Versatile Substrate for Transition‐metal‐free Multicomponent Synthesis of Bioactive Heterocycles. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100550] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Biplob Borah
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
| | - Kartikey Dhar Dwivedi
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
| | - L. Raju Chowhan
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
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18
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Alizadeh A, Farajpour B. Chemoselective Synthesis of Substituted Benzo[
c
]chromen‐6‐ones through Base‐Promoted Reaction of
α
,
β
‐Unsaturated Coumarins and
α
‐Cyano Carbonyls. ChemistrySelect 2021. [DOI: 10.1002/slct.202101490] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Abdolali Alizadeh
- Department of Chemistry Tarbiat Modares University P.O. Box 14115–175 Tehran Iran
| | - Behnaz Farajpour
- Department of Chemistry Tarbiat Modares University P.O. Box 14115–175 Tehran Iran
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19
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Sharma S, Sarma B, Baishya G. Direct synthesis of 4-hydroxycoumarins and 4-hydroxy-6-methyl-2-pyrone containing chroman-4-ones via a silver catalyzed radical cascade cyclization reaction. NEW J CHEM 2021. [DOI: 10.1039/d1nj03437e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A novel AgNO3/K2S2O8 catalyzed radical cascade cyclization reaction of 2-(allyloxy)arylaldehydes with 4-hydroxycoumarins and 4-hydroxy-6-methyl-2-pyrone produces two new series of chroman-2-ones.
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Affiliation(s)
- Suraj Sharma
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Bipul Sarma
- Department of Chemical Sciences, Tezpur University, Tezpur, 784028, India
| | - Gakul Baishya
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
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20
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Patra P, Kar GK. The synthesis, biological evaluation and fluorescence study of chromeno[4,3- b]pyridin/quinolin-one derivatives, the backbone of natural product polyneomarline C scaffolds: a brief review. NEW J CHEM 2021. [DOI: 10.1039/d0nj04761a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review presents the synthesis, biological and fluorescence study of chromeno[4,3-b]pyridin/quinolin-ones via classical reactions including metal-catalyzed and green reaction protocols.
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Affiliation(s)
- Prasanta Patra
- Department of Chemistry
- Jhargram Raj College
- Jhargram 721507
- India
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21
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Patra P. 4-Chloro-3-formylcoumarin as a multifaceted building block for the development of various bio-active substituted and fused coumarin heterocycles: a brief review. NEW J CHEM 2021. [DOI: 10.1039/d1nj02755g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
This review presents the diverse synthesis of 3,4-substituted coumarins and 5-, 6- and 7-membered ring fused coumarins using 4-chloro-3-formylcoumarin as the precursor via classical reactions including metal-catalyzed and green reaction protocols.
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Affiliation(s)
- Prasanta Patra
- Department of Chemistry
- Jhargram Raj College
- Jhargram 721507
- India
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22
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A review: Biologically active 3,4-heterocycle-fused coumarins. Eur J Med Chem 2020; 212:113034. [PMID: 33276991 DOI: 10.1016/j.ejmech.2020.113034] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 11/15/2020] [Accepted: 11/15/2020] [Indexed: 12/17/2022]
Abstract
The combination of heterocycles offers a new opportunity to create novel multicyclic compounds having improved biological activity. Coumarins are ubiquitous natural heterocycle widely adopted in the design of various biologically active compounds. Fusing different heterocycles with coumarin ring is one of the interesting approaches to generating novel hybrid molecules having highlighted biological activities. In the efforts to develop heterocyclic-fused coumarins, a wide range of 3,4-heterocycle-fused coumarins have been introduced bearing outstanding biological activity. The effect of heterocycles annulation at 3,4-positions of coumarin ring on the biological activity of the target structures were discussed. This review focuses on the important progress of 3,4-heterocycle-fused coumarins providing better insight for medicinal chemists on the design and preparation of biologically active heterocycle-fused coumarins with a significant therapeutic effect in the future.
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23
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Lai X, Che C. Synthesis of Chromeno[4,3- b]pyrrol-4(1 H)-ones through a Multicomponent Reaction and Cyclization Strategy. ACS OMEGA 2020; 5:21968-21977. [PMID: 32905458 PMCID: PMC7469652 DOI: 10.1021/acsomega.0c03589] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 08/10/2020] [Indexed: 06/11/2023]
Abstract
A novel three-component reaction of 2-oxo-2H-chromene-3-carbaldehydes with isocyanides and anilines was developed for one-pot assembly of biologically intriguing chromeno[4,3-b]pyrrol-4(1H)-ones, which can also be transferred into diverse polycyclic fused scaffolds through further synthetic manipulations. The described method tolerates a broad substrate scope and proceeds in moderate to good yield via a sequential multicomponent reaction and intramolecular Michael cyclization.
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Affiliation(s)
- Xiangfeng Lai
- State
Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical
Genomics, Peking University Shenzhen Graduate
School, Shenzhen 518055, China
| | - Chao Che
- State
Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical
Genomics, Peking University Shenzhen Graduate
School, Shenzhen 518055, China
- BayRay
Innovative Center, Shenzhen Bay Laboratory, Shenzhen 518055, China
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24
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Alizadeh A, Farajpour B, Mohammadi SS, Sedghi M, Naderi‐Manesh H, Janiak C, Knedel T. Design and Synthesis of Coumarin‐Based Pyrazolopyridines as Biocompatible Fluorescence Dyes for Live‐Cell Imaging. ChemistrySelect 2020. [DOI: 10.1002/slct.202002289] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Abdolali Alizadeh
- Department of Chemistry Tarbiat Modares University P. O. Box 14115-175 Tehran Iran
| | - Behnaz Farajpour
- Department of Chemistry Tarbiat Modares University P. O. Box 14115-175 Tehran Iran
| | - Sanam Sadeghi Mohammadi
- Department of Nanobiotechnology/Biophysics Tarbiat Modares University P. O. Box 14115-175 Tehran Iran
| | - Mosslim Sedghi
- Department of Nanobiotechnology/Biophysics Tarbiat Modares University P. O. Box 14115-175 Tehran Iran
| | - Hossein Naderi‐Manesh
- Department of Nanobiotechnology/Biophysics Tarbiat Modares University P. O. Box 14115-175 Tehran Iran
| | - Christoph Janiak
- Heinrich-Heine-Universität Düsseldorf Institut für Anorganische Chemie und Strukturchemie, I 40225 Düsseldorf
| | - Tim‐Oliver Knedel
- Heinrich-Heine-Universität Düsseldorf Institut für Anorganische Chemie und Strukturchemie, I 40225 Düsseldorf
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25
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Balci M. Recent advances in the synthesis of fused heterocycles with new skeletons via alkyne cyclization. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151994] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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26
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Hu Z, Zhang M, Zhou Q, Xu X, Tang B. Domino synthesis of fully substituted pyridines by silver-catalyzed chemoselective hetero-dimerization of isocyanides. Org Chem Front 2020. [DOI: 10.1039/c9qo01333d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A silver-catalyzed hetero-dimerization of various vinyl isocyanides with isocyanoacetamides has been developed for the efficient and practical synthesis of fully substituted pyridines in a single operation.
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Affiliation(s)
- Zhongyan Hu
- College of Chemistry
- Chemical Engineering and Materials Science
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
- Shandong Normal University
| | - Mingyue Zhang
- College of Chemistry
- Chemical Engineering and Materials Science
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
- Shandong Normal University
| | - Qinghua Zhou
- College of Chemistry
- Chemical Engineering and Materials Science
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
- Shandong Normal University
| | - Xianxiu Xu
- College of Chemistry
- Chemical Engineering and Materials Science
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
- Shandong Normal University
| | - Bo Tang
- College of Chemistry
- Chemical Engineering and Materials Science
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
- Shandong Normal University
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27
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Sharma S, Dutta NB, Bhuyan M, Das B, Baishya G. tert-Butylhydroperoxide (TBHP) mediated oxidative cross-dehydrogenative coupling of quinoxalin-2(1 H)-ones with 4-hydroxycoumarins, 4-hydroxy-6-methyl-2-pyrone and 2-hydroxy-1,4-naphthoquinone under metal-free conditions. Org Biomol Chem 2020; 18:6537-6548. [PMID: 32789325 DOI: 10.1039/d0ob01304h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
We report an efficient and atom-economical method of C-3 functionalization of quinoxalin-2(1H)-ones with 4-hydroxycoumarins, 4-hydroxy-6-methyl-2-pyrone, and 2-hydroxy-1,4-naphthoquinone via the free radical cross-coupling pathway under metal-free conditions. tert-Butylhydroperoxide (TBHP) smoothly promotes the reaction furnishing the cross-dehydrogenative coupling (CDC) products in very good to excellent yields. The protocol neither uses any toxic reagents nor metal catalysts to carry out the reaction, and all the products have been obtained without column chromatography purification. Different radical trapping experiments with 2,2,6,6-tetramethylpiperidine-1-oxyl, butylated hydroxytoluene, and diphenyl ethylene confirm the involvement of radicals.
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Affiliation(s)
- Suraj Sharma
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India. and Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh-201002, India
| | - Nibedita Baruah Dutta
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India. and Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh-201002, India and Rain Forest Research Institute, Jorhat-785001, India
| | - Mayurakhi Bhuyan
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India. and Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh-201002, India
| | - Babulal Das
- Department of Chemistry, Indian Institute of Technology Guwahati, India
| | - Gakul Baishya
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India. and Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh-201002, India
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28
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Ton NNH, Dang HV, Phan NTS, Nguyen TT. Aerobic, metal-free synthesis of 6 H-chromeno[4,3- b]quinolin-6-ones. RSC Adv 2019; 9:16215-16222. [PMID: 35521415 PMCID: PMC9064357 DOI: 10.1039/c9ra02267h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 05/17/2019] [Indexed: 12/03/2022] Open
Abstract
A Friedländer-based method for transition-metal free, aerobic synthesis of chromene-fused quinolinones is reported. The coupling of 4-hydrocoumarins and 2-aminobenzyl alcohols proceeds in the presence of acetic acid solvent and oxygen oxidant, affording 6H-chromeno[4,3-b]quinolin-6-ones in good to excellent yields. The reactions are tolerant of functionalities such as alkyl, methoxy, bromo, chloro, and N-heterocycle. Isosteric cyclic 1,3-diketones and 2-amino acetophenones also give fused quinolinones under reaction conditions. The method herein offers a rapid and benign synthesis of hitherto challenging N-heterocycles. To our best knowledge, such a convenient pathway to obtain chromene-fused quinolinones have not been known in the literature. A Friedländer-based method for transition-metal free, aerobic synthesis of chromene-fused quinolinones is reported.![]()
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Affiliation(s)
- Nhan N H Ton
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
| | - Ha V Dang
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
| | - Nam T S Phan
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
| | - Tung T Nguyen
- Faculty of Chemical Engineering, HCMC University of Technology, VNU-HCM 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
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29
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Patra P. A Concise Review on Pyridocoumarin/Azacoumarin Derivatives: Synthesis and Biological Activity. ChemistrySelect 2019. [DOI: 10.1002/slct.201803596] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Prasanta Patra
- Department of Chemistry; Jhargram Raj College, Jhargram; 721507 WB India
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30
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The molecular diversity scope of 4-hydroxycoumarin in the synthesis of heterocyclic compounds via multicomponent reactions. Mol Divers 2019; 23:1029-1064. [PMID: 30697671 DOI: 10.1007/s11030-019-09918-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 01/09/2019] [Indexed: 10/27/2022]
Abstract
4-Hydroxycoumarins are some of the most versatile heterocyclic scaffolds and are frequently applied in the synthesis of various organic compounds. 4-Hydroxycoumarin-based compounds are important among heterocyclic structures due to their biological and pharmaceutical activities. In this study, we provide an overview on the recent applications of 4-hydroxycoumarin in multicomponent reactions for the synthesis of various heterocyclic compounds during the time period of 2015-2018.
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31
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Abdou MM, El-Saeed RA, Bondock S. Recent advances in 4-hydroxycoumarin chemistry. Part 1: Synthesis and reactions. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2015.06.012] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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32
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Zhang CH, Huang R, Hu XM, Lin J, Yan SJ. Three-Component Site-Selective Synthesis of Highly Substituted 5H-Chromeno-[4,3-b]pyridines. J Org Chem 2018; 83:4981-4989. [DOI: 10.1021/acs.joc.8b00099] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Cong-Hai Zhang
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, P. R. China
| | - Rong Huang
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, P. R. China
| | - Xing-Mei Hu
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, P. R. China
| | - Jun Lin
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, P. R. China
| | - Sheng-Jiao Yan
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, P. R. China
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33
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Belal M, Khan AT. PTSA.
H2
O-Catalyzed Reaction of 3-Aminocoumarins and Phenylacetaldehydes: A Route to Access Various Pyrido(2,3-c
)coumarin Derivatives. ChemistrySelect 2017. [DOI: 10.1002/slct.201702300] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Md. Belal
- Department of Chemistry; Indian Institute of Technology Guwahati; India
| | - Abu T. Khan
- Department of Chemistry; Indian Institute of Technology Guwahati; India
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34
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Yadav A, Biswas S, Mobin SM, Samanta S. Efficient Cu(OTf) 2 -catalyzed and microwave-assisted rapid synthesis of 3,4-fused chromenopyridinones under neat conditions. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.08.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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35
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Zheng YX, Xun Z, Zhang JJ, Huang ZB, Shi DQ. An efficient one-pot synthesis of functionalized chromeno[4,3-b]pyridine derivatives under catalyst-free conditions. Mol Divers 2017; 21:293-304. [PMID: 28144767 DOI: 10.1007/s11030-016-9723-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 12/30/2016] [Indexed: 11/29/2022]
Abstract
A concise, efficient one-pot synthesis of functionalized chromeno[4,3-b]pyridine derivatives via a three-component reaction of 4-oxo-4H-chromene-3-carbaldehydes, malononitrile or cyanoacetates, and aromatic amines under catalyst-free conditions in an environmentally friendly medium (ethanol-water, 3:1 v/v) is described. This synthesis involves a group-assisted purification process, which avoids traditional recrystallization and chromatographic purification methods.
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Affiliation(s)
- Yong-Xiang Zheng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, People's Republic of China
| | - Zhan Xun
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, People's Republic of China
| | - Juan-Juan Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, People's Republic of China
| | - Zhi-Bin Huang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, People's Republic of China
| | - Da-Qing Shi
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, People's Republic of China.
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36
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Shi D, Wang Y, Wang J, Gao Y, Zhang J, Zhang G, Ren J, Zhao Y. An Efficient and Multi-Component Synthesis of 5-Imino-3,5-dihydro-2H-chromeno[3,4-c]pyridin-2-one Derivatives. HETEROCYCLES 2017. [DOI: 10.3987/com-17-13697] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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37
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Synthesis and antibacterial activity of pyridinium-tailored aromatic amphiphiles. Bioorg Med Chem Lett 2016; 26:1136-9. [DOI: 10.1016/j.bmcl.2016.01.053] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 01/02/2016] [Accepted: 01/19/2016] [Indexed: 11/19/2022]
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38
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Medina FG, Marrero JG, Macías-Alonso M, González MC, Córdova-Guerrero I, Teissier García AG, Osegueda-Robles S. Coumarin heterocyclic derivatives: chemical synthesis and biological activity. Nat Prod Rep 2015; 32:1472-507. [PMID: 26151411 DOI: 10.1039/c4np00162a] [Citation(s) in RCA: 305] [Impact Index Per Article: 33.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review highlights the broad range of science that has arisen from the synthesis of coumarin-linked and fused heterocycle derivatives. Specific topics include their synthesis and biological activity.
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Affiliation(s)
- Fernanda G Medina
- Instituto Politécnico Nacional, Unidad Profesional Interdisciplinaria de Ingeniería Campus Guanajuato, Av. Mineral de Valenciana, No. 200, Col. Fracc. Industrial Puerto Interior, C.P. 36275 Silao de la Victoria, Guanajuato, Mexico.
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39
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Keskin S, Balci M. Intramolecular Heterocyclization of O-Propargylated Aromatic Hydroxyaldehydes as an Expedient Route to Substituted Chromenopyridines under Metal-Free Conditions. Org Lett 2015; 17:964-7. [DOI: 10.1021/acs.orglett.5b00067] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Selbi Keskin
- Department
of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
| | - Metin Balci
- Department
of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
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