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Zhang SS, He Y, Wei MX. Novel coumarin-piperazine-2(5H)-furanone hybrids as potential anti-lung cancer agents: Synthesis, biological evaluation and molecular docking studies. Fitoterapia 2024; 177:106105. [PMID: 38969273 DOI: 10.1016/j.fitote.2024.106105] [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: 05/07/2024] [Revised: 06/27/2024] [Accepted: 06/27/2024] [Indexed: 07/07/2024]
Abstract
Novel coumarin-piperazine-2(5H)-furanone hybrids 5a-l were efficiently synthesized by introducing a furanone scaffold into coumarin using piperazine as a linker. The cytotoxicity of all hybrids 5a-l were evaluated by MTT assay on human lung cancer A549 cells and normal human lung fibroblast WI-38 cells with cytarabine (CAR) as a positive control. Hybrid 5l (IC50 = 11.28 μM) was the most toxic to A549 cells, 18-fold more toxic than the reference CAR (IC50 = 202.57 μM). Moreover, hybrid 5l (IC50 = 411.93 μM) was less toxic to WI-38 cells, with a much higher selectivity (5l, SI ≈ 37, WI-38/A549) than CAR (SI ≈ 2). Structure-activity relationship analysis showed that both the cytotoxicity against A549 cells and selectivity (WI-38/A549) were greatly improved when the bornyl group was incorporated in the hybrids (5c, 5f, 5i and 5l). Further, hybrid 5l was more toxic and selective against four types of human lung cancer cells (A549, Calu-1, PC-9 and H460; IC50 = 5.72-45.46 μM; SI ≈ 9-72) than three other types of human cancer cells (SK-BR-3, 786-O and SK-OV-3, IC50 = 39.07-130.82 μM; SI ≈ 0-2), showing remarkable specificity. In particular, hybrid 5l (IC50 = 5.72 μM) showed the highest cytotoxicity against H460 cells with the highest selectivity of up to 72 (WI-38/H460). Flow cytometric analysis showed that hybrid 5l induced apoptosis in H460 cells in a concentration-dependent manner. Molecular docking studies revealed a high binding affinity of hybrid 5l with CDK2 protein. Hybrid 5l is expected to be a leading candidate for anti-lung cancer agents.
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Affiliation(s)
- Si-Si Zhang
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia Research Center for Natural Medicine Engineering and Technology, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China
| | - Yu He
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia Research Center for Natural Medicine Engineering and Technology, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China
| | - Meng-Xue Wei
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia Research Center for Natural Medicine Engineering and Technology, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China.
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Tiakouang EN, Ewonkem MB, Moto JO, Adjieufack AI, Deussom PM, Mbock MA, Ngeufa EH, Toze AFA, Wansi DJ. Synthesis, antimicrobial properties and in silico evaluation of coumarin derivatives mediated by 1,4-dibromobutane. J Biomol Struct Dyn 2024:1-14. [PMID: 38411010 DOI: 10.1080/07391102.2024.2321507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 02/15/2024] [Indexed: 02/28/2024]
Abstract
In this study, monobrominated coumarins (5-6) and bis-coumarins (7-9) were synthesized from 3-carboxylic coumarin and 7-hydroxy-4-methyl coumarin using 1,4-dibromobutane as a binding agent, according to the synthesis procedures described in the literature. Amongst these coumarins, three are new compounds: monobrominated coumarin 5 and bis-coumarins 7 and 9. The structures of the synthesized coumarins were confirmed by FTIR, NMR and HRMS-ESI. In vitro antimicrobial evaluation of these coumarins against strains of twelve bacteria and four fungi revealed their bactericidal and fungicidal properties, with increased antibacterial activity for monocoumarins and improved antifungal activity for bis-coumarins. It was also found that the antibacterial activity was enhanced by the etheric bond, Br atom and alkyl chain and reduced by the ester bonds at position 3 of the pyrone ring or an additional coumarin unit, while the antifungal activity was reinforced by ester bonds and deactivated by the Br atom. For the first time, the in silico investigations of such coumarins were carried out and it was observed that they are less toxic, suitable for oral administration with good permeability through cell membrane, are able to circulate freely in the bloodstream and cross Blood-Brain-Barriers. Moreover, their molecular docking in DNA indicated stable coumarin-DNA complexes with good scores. The results of molecular dynamics simulations performed for 200 ns revealed the rigidity and stability of bis-coumarins (7-9) in the DNA binding pocket and predict that they are potent binders.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Eunice N Tiakouang
- Department of Chemistry, Faculty of Sciences, University of Douala, Douala, Cameroon
| | - Monique B Ewonkem
- Department of Chemistry, Faculty of Sciences, University of Douala, Douala, Cameroon
| | - Jean O Moto
- Department of Chemistry, Faculty of Sciences, University of Douala, Douala, Cameroon
| | - Abel I Adjieufack
- Physical and Theoretical Chemistry Laboratory, University of Yaoundé 1, Yaoundé, Cameroon
| | - Pascaline M Deussom
- Department of Chemistry, Faculty of Sciences, University of Douala, Douala, Cameroon
| | - Michel A Mbock
- Department of Biochemistry, Faculty of Science, Laboratory of Biochemistry, University of Douala, Douala, Cameroon
| | - Emmanuel H Ngeufa
- Department of Chemistry, Faculty of Sciences, University of Douala, Douala, Cameroon
| | - Alfred F A Toze
- Department of Chemistry, Faculty of Sciences, University of Douala, Douala, Cameroon
| | - Duplex J Wansi
- Department of Chemistry, Faculty of Sciences, University of Douala, Douala, Cameroon
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Koley M, Han J, Soloshonok VA, Mojumder S, Javahershenas R, Makarem A. Latest developments in coumarin-based anticancer agents: mechanism of action and structure-activity relationship studies. RSC Med Chem 2024; 15:10-54. [PMID: 38283214 PMCID: PMC10809357 DOI: 10.1039/d3md00511a] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 10/20/2023] [Indexed: 01/30/2024] Open
Abstract
Many researchers around the world are working on the development of novel anticancer drugs with different mechanisms of action. In this case, coumarin is a highly promising pharmacophore for the development of novel anticancer drugs. Besides, the hybridization of this moiety with other anticancer pharmacophores has emerged as a potent breakthrough in the treatment of cancer to decrease its side effects and increase its efficiency. This review aims to provide a comprehensive overview of the recent development of coumarin derivatives and their application as novel anticancer drugs. Herein, we highlight and describe the largest number of research works reported in this field from 2015 to August 2023, along with their mechanisms of action and structure-activity relationship studies, making this review different from the other review articles published on this topic to date.
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Affiliation(s)
- Manankar Koley
- CSIR-Central Glass & Ceramic Research Institute Kolkata India
| | - Jianlin Han
- College of Chemical Engineering, Nanjing Forestry University Nanjing China
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, University of the Basque Country San Sebastián Spain
- IKERBASQUE, Basque Foundation for Science Bilbao Spain
| | | | - Ramin Javahershenas
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University Urmia Iran
| | - Ata Makarem
- Institute of Pharmacy, University of Hamburg Hamburg Germany
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Wang J, Lu T, Xiao T, Cheng W, Jiang W, Yan Y, Tang X. Novel quinolin-2(1H)-one analogues as potential fungicides targeting succinate dehydrogenase: design, synthesis, inhibitory evaluation and molecular modeling. PEST MANAGEMENT SCIENCE 2023; 79:3425-3438. [PMID: 36562216 DOI: 10.1002/ps.7332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 11/23/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Succinate dehydrogenase is an important target of fungicides. Succinate dehydrogenase inhibitors (SDHIs) have widely been used to combat destructive plant pathogenic fungi because they possess efficient and broad-spectrum antifungal activities and as well as unique mode of action. The research and development of novel SDHIs have been ongoing. RESULTS Thirty-six novel quinolin-2(1H)-one derivatives were designed, synthesized and characterized. The single crystal structure of compound 3c was determined through the X-ray diffraction of single crystals. The bioassay results displayed that most compounds had good antifungal activities at 16 μg mL-1 against Rhizoctonia cerealis, Erysiphe graminis, Botrytis cinerea, Penicillium italicum and Phytophthora infestans. Compounds 6o, 6p and 6r had better antifungal activities than the commercialized fungicide pyraziflumid against Botrytis cinerea. Their half maximal effective concentration (EC50 ) values were 0.398, 0.513, 0.205 and 0.706 μg mL-1 , respectively. Moreover, the inhibiting activities of the bioactive compounds were tested against succinate dehydrogenase. The results indicated that they possessed outstanding activities. Compounds 6o, 6p and 6r also exhibited better inhibiting activities than pyraziflumid against succinate dehydrogenase. Their half maximal inhibitory concentration (IC50 ) values were 0.450, 0.672, 0.232 and 0.858 μg mL-1 , respectively. The results of molecular dynamic (MD) simulations indicated that compound 6r displayed stronger affinity to succinate dehydrogenase than pyraziflumid. CONCLUSION The results of the present study displayed that quinolin-2(1H)-one derivative could be one scaffold of potential SDHIs and will provide some valuable information for the research and development of new SDHIs. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Jingwen Wang
- School of Science, Asymmetric Synthesis and Chirotechnology Key Laboratory of Sichuan Province, Xihua University, Chengdu, P. R. China
| | - Tong Lu
- School of Science, Asymmetric Synthesis and Chirotechnology Key Laboratory of Sichuan Province, Xihua University, Chengdu, P. R. China
| | - Tingting Xiao
- School of Science, Asymmetric Synthesis and Chirotechnology Key Laboratory of Sichuan Province, Xihua University, Chengdu, P. R. China
| | - Wei Cheng
- School of Science, Asymmetric Synthesis and Chirotechnology Key Laboratory of Sichuan Province, Xihua University, Chengdu, P. R. China
| | - Wenjing Jiang
- School of Science, Asymmetric Synthesis and Chirotechnology Key Laboratory of Sichuan Province, Xihua University, Chengdu, P. R. China
| | - Yingkun Yan
- School of Science, Asymmetric Synthesis and Chirotechnology Key Laboratory of Sichuan Province, Xihua University, Chengdu, P. R. China
| | - Xiaorong Tang
- School of Science, Asymmetric Synthesis and Chirotechnology Key Laboratory of Sichuan Province, Xihua University, Chengdu, P. R. China
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Tariq HZ, Saeed A, Ullah S, Fatima N, Halim SA, Khan A, El-Seedi HR, Ashraf MZ, Latif M, Al-Harrasi A. Synthesis of novel coumarin-hydrazone hybrids as α-glucosidase inhibitors and their molecular docking studies. RSC Adv 2023; 13:26229-26238. [PMID: 37670997 PMCID: PMC10475976 DOI: 10.1039/d3ra03953f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/17/2023] [Indexed: 09/07/2023] Open
Abstract
Diabetes mellitus is a metabolic disorder and more than 90% of diabetic patients suffer from type-2 diabetes, which is characterized by hyperglycemia. α-Glucosidase inhibition has become an appropriate approach to tackle high blood glucose levels. The current study was focused on synthesizing coumarin-hydrazone hybrids (7a-i) by using facile chemical reactions. The synthesized compounds were characterized by using 1H-NMR, 13C-NMR, and IR. To evaluate their anti-diabetic capability, all of the conjugates were screened for in vitro α-glucosidase inhibitory activity to reveal their therapeutic importance. All of the compounds (except 7b) demonstrated significant enzyme inhibitory potential with IC50 values ranging between 2.39-57.52 μM, as compared to the standard inhibitor, acarbose (IC50 = 873.34 ± 1.67 μM). Among them, compound 7c is the most potent α-glucosidase inhibitor (IC50 = 2.39 ± 0.05 μM). Additionally, molecular docking was employed to scrutinize the binding pattern of active compounds within the α-glucosidase binding site. The in silico analysis reflects that hydrazone moiety is an essential pharmacophore for the binding of compounds with the active site residues of the enzyme. This study demonstrates that compounds 7c and 7f deserve further molecular optimization for potential application in diabetic management.
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Affiliation(s)
- Hafiza Zara Tariq
- Department of Chemistry, Quaid-i-Azam University Islamabad 45320 Pakistan +92-51-9064-2128
| | - Aamer Saeed
- Department of Chemistry, Quaid-i-Azam University Islamabad 45320 Pakistan +92-51-9064-2128
| | - Saeed Ullah
- Natural and Medical Sciences Research Center, University of Nizwa P.O. Box 33, PC 616, Birkat Al Mauz Nizwa Sultanate of Oman
| | - Noor Fatima
- Department of Chemistry, Quaid-i-Azam University Islamabad 45320 Pakistan +92-51-9064-2128
| | - Sobia Ahsan Halim
- Natural and Medical Sciences Research Center, University of Nizwa P.O. Box 33, PC 616, Birkat Al Mauz Nizwa Sultanate of Oman
| | - Ajmal Khan
- Natural and Medical Sciences Research Center, University of Nizwa P.O. Box 33, PC 616, Birkat Al Mauz Nizwa Sultanate of Oman
| | - Hesham R El-Seedi
- School of Food and Biological Engineering, Jiangsu University Zhenjiang 212013 China
- Department of Chemistry, Faculty of Science, Menoufia University Shebin El-Kom 32512 Egypt
| | | | - Muhammad Latif
- Centre for Genetics and Inherited Diseases (CGID), Taibah University Al-Madinah Al-Munawwarah Kingdom of Saudi Arabia
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa P.O. Box 33, PC 616, Birkat Al Mauz Nizwa Sultanate of Oman
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Fabitha K, Arya CG, Chandrakanth M, Banothu J. Green chemistry approach: sodium fluoride-catalyzed highly efficient microwave irradiation-assisted synthesis of substituted chromene derivatives in aqueous medium. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04929-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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7
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Thanh ND, Hai DS, Huyen LT, Thuy VTT, Tung DT, Van HTK, Toan VN, Giang NTK, Tri NM. Fe3O4-MNPs@MMT-K10: a reusable catalyst for synthesis of propargyl 4-aryl-4H-pyran-3-carboxyles via one‑pot three-component reaction under microwave-assisted solvent-free conditions. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04911-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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8
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Synthetic strategies and pharmacological activities of chromene and its derivatives: An overview. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133012] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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9
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Yadav C, Payra S, Narasimha Moorthy J. Ionic Porous Organic Polymer (IPOP) Based on Twisted Biphenyl Scaffold: Green and Efficient Heterogeneous Catalytic Synthesis of β-Arylthioketones and Biscoumarins. J Catal 2022. [DOI: 10.1016/j.jcat.2022.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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10
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Pawar V, Shastri LA, Gudimani P, Joshi S, Kumbar VM, Sunagar V. Rational design, synthesis and SAR study of novel warfarin analogous of 4-hydroxy coumarin-beta-aryl propanoic acid derivatives as potent anti-inflammatory agents. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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11
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Zhu ZH, Ding YX, Zhou YG. Transfer-catalyst-free biomimetic asymmetric reduction of 3-sulfonyl coumarins with a regenerable NAD(P)H model. Chem Commun (Camb) 2022; 58:3973-3976. [PMID: 35254349 DOI: 10.1039/d1cc06896b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel transfer-catalyst-free biomimetic reduction of the tetrasubstituted olefins 3-sulfonyl coumarins with the chiral and regenerable [2.2]paracyclophane-based NAD(P)H model CYNAM has been developed, affording chiral 3-sulfonyl dihydrocoumarins with excellent enantioselectivities.
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Affiliation(s)
- Zhou-Hao Zhu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yi-Xuan Ding
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.,Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian 116024, P. R. China.
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12
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Elleuch S, Ammar H, Abid Y. Spectroscopic and computational studies of the solid state photophysical properties of a biscoumarin dye. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 266:120466. [PMID: 34637986 DOI: 10.1016/j.saa.2021.120466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/24/2021] [Accepted: 10/01/2021] [Indexed: 06/13/2023]
Abstract
The solid state photophysical properties of the 3,3'-paraphenyl bis[6,8-dimethoxy-2H-chromen-2-one] symmetrical biscoumarin material were investigated by optical spectroscopy techniques and by theoretical calculations. Vibrational analysis using IR absorption and Raman scattering techniques carried out together with DFT theoretical calculations have confirmed the structure of this biscoumarin. The geometry optimization using different functionals reveal a nonplanar equilibrium structure with a dihedral between the phenyl and the pyran rings of about 142°. The UV-Visible absorption measurements and the TDDFT simulation show that this biscoumarin is characterized by a bicomponent feature resulting from ππ* electronic transitions and Intramolecular Charge Transfer (ICT). Solid state photoluminescence showed a bright blue-green emission at 506 nm with a large stokes shift estimated at 146 nm, and the temperature dependence study of this emission reveals two thermal evolution regimes. Finally, these good optical properties, as well as the stability of the emission, make this biscoumarin dye of potential interest for optoelectronic applications.
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Affiliation(s)
- Slim Elleuch
- Laboratoire de Physique Appliquée, Faculté des Sciences de Sfax, Université de Sfax, 3000, Sfax, Tunisie.
| | - Houcine Ammar
- Laboratoire de Chimie Appliquée, Faculté des Sciences de Sfax, Université de Sfax, 3000 Sfax, Tunisia
| | - Younes Abid
- Laboratoire de Physique Appliquée, Faculté des Sciences de Sfax, Université de Sfax, 3000, Sfax, Tunisie
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13
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Prospects of Using Pharmacologically Active Compounds for the Creation of Antimycobacterial Drugs. Pharm Chem J 2022. [DOI: 10.1007/s11094-021-02544-4] [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]
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14
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Su Z, Zheng Z, Wang R, Xie H, Wang X, Liu Y. A synthetic biscoumarin suppresses lung cancer cell proliferation and induces cell apoptosis by increasing expression of RIP1. CHINESE J PHYSIOL 2022; 65:136-142. [DOI: 10.4103/cjp.cjp_107_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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15
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Dorababu A. Pharmacological report of recently designed multifunctional coumarin and coumarin-heterocycle derivatives. Arch Pharm (Weinheim) 2021; 355:e2100345. [PMID: 34693550 DOI: 10.1002/ardp.202100345] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/04/2021] [Accepted: 10/06/2021] [Indexed: 12/23/2022]
Abstract
Coumarin is a naturally available molecule and has been identified as a potent pharmacophore due to its pharmacological activity. Because of this, coumarin has been exploited synthetically to prepare a wide range of derivatives. In fact, most coumarin derivatives have been found to be less toxic, which is the most essential property for a drug molecule. Such molecules are being prepared for therapeutic use as broad-spectrum pharmacological agents. Microbial diseases including viral diseases have become very common and are responsible for many deaths worldwide. In particular, microbial drug resistance is a problem that needs to be tackled in an effective manner. Also, for Alzheimer's disease, which affects most elderly persons, no efficient chemotherapy exists. In addition, although diabetes, a metabolic syndrome, can be treated with many drugs, there is no complete cure. Thus, more potent antidiabetic agents are required for the management of diabetes. Likewise, for the treatment of a wide range of ailments caused by microbes, genetic factors, or lifestyle-related factors, an efficient drug regimen is needed. In view of this, coumarin derivatives are designed and evaluated. Here, coumarin derivatives that have been reported recently are compiled, classified and evaluated critically. This study briefly takes the structure-activity relationship into consideration and suggests the next suitable step. With a focus on the most potent molecules, the pharmacological activity of the evaluated molecules is described.
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Affiliation(s)
- Atukuri Dorababu
- Department of Chemistry, SRMPP Government First Grade College, Huvinahadagali, Karnataka, India
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Liu X, Dong Y, Alizade V, Khutsishvili M, Atha D, Borris RP, Clark BR. Molecular networking-driven isolation of 8'-Glycosylated biscoumarins from Cruciata articulata. PHYTOCHEMISTRY 2021; 190:112856. [PMID: 34233243 DOI: 10.1016/j.phytochem.2021.112856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/16/2021] [Accepted: 06/25/2021] [Indexed: 06/13/2023]
Abstract
A molecular networking-guided phytochemical investigation of Cruciata articulata led to the isolation of five unreported biscoumarins, four of which were characterized by a shared 6-methoxy-7,8'-dihydroxy-3,7'-biscoumarin aglycone. These were isolated alongside two known coumarin glycosides, daphnetin-8-O-β-D-glucoside and 6'-acetoxy-daphnetin-8-O-β-D-glucoside. Their structures were elucidated by extensive 1D and 2D NMR experiments, in combination with chemical transformation and MS/MS fragmentation analysis. Four of the biscoumarins were glycosylated at the 8' position: these are the first examples of this substitution pattern to be described in nature. All compounds were tested for cytotoxic, antimicrobial, anti-inflammatory, and α-glucosidase inhibitory properties, but did not display significant activity.
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Affiliation(s)
- Xueling Liu
- School of Pharmaceutical Science and Technology, Health Sciences Platform, Tianjin University, Tianjin, 300072, China
| | - Yuyu Dong
- School of Pharmaceutical Science and Technology, Health Sciences Platform, Tianjin University, Tianjin, 300072, China
| | - Valida Alizade
- Institute of Botany, Azerbaijan National Academy of Sciences, Baku, AZ1102, Azerbaijan
| | - Manana Khutsishvili
- National Herbarium of Georgia, Ilia State University, Tbilisi, 100995, Georgia
| | | | - Robert P Borris
- School of Pharmaceutical Science and Technology, Health Sciences Platform, Tianjin University, Tianjin, 300072, China
| | - Benjamin R Clark
- School of Pharmaceutical Science and Technology, Health Sciences Platform, Tianjin University, Tianjin, 300072, China.
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Zveaghintseva M, Stingaci E, Pogrebnoi S, Smetanscaia A, Valica V, Uncu L, Ch. Kravtsov V, Melnic E, Petrou A, Glamočlija J, Soković M, Carazo A, Mladěnka P, Poroikov V, Geronikaki A, Macaev FZ. Chromenol Derivatives as Novel Antifungal Agents: Synthesis, In Silico and In Vitro Evaluation. Molecules 2021; 26:molecules26144304. [PMID: 34299579 PMCID: PMC8307147 DOI: 10.3390/molecules26144304] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 11/16/2022] Open
Abstract
Herein we report the synthesis of some new 1H-1,2,4-triazole functionalized chromenols (3a-3n) via tandem reactions of 1-(alkyl/aryl)-2-(1H-1,2,4-triazole-1-yl) with salicylic aldehydes and the evaluation of their antifungal activity. In silico prediction of biological activity with computer program PASS indicate that the compounds have a high novelty compared to the known antifungal agents. We did not find any close analog among the over 580,000 pharmaceutical agents in the Cortellis Drug Discovery Intelligence database at the similarity cutoff of 70%. The evaluation of antifungal activity in vitro revealed that the highest activity was exhibited by compound 3k, followed by 3n. Their MIC values for different fungi were 22.1-184.2 and 71.3-199.8 µM, respectively. Twelve from fourteen tested compounds were more active than the reference drugs ketoconazole and bifonazole. The most sensitive fungus appeared to be Trichoderma viride, while Aspergillus fumigatus was the most resistant one. It was found that the presence of the 2-(tert-butyl)-2H-chromen-2-ol substituent on the 4th position of the triazole ring is very beneficial for antifungal activity. Molecular docking studies on C. albicans sterol 14α-demethylase (CYP51) and DNA topoisomerase IV were used to predict the mechanism of antifungal activities. According to the docking results, the inhibition of CYP51 is a putative mechanism of antifungal activity of the novel chromenol derivatives. We also showed that most active compounds have a low cytotoxicity, which allows us to consider them promising antifungal agents for the subsequent testing activity in in vivo assays.
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Affiliation(s)
- Marina Zveaghintseva
- Laboratory of Organic Synthesis, Institute of Chemistry, 3 Str. Academiei 3, MD-2028 Chișinău, Moldova; (M.Z.); (E.S.); (S.P.)
| | - Eugenia Stingaci
- Laboratory of Organic Synthesis, Institute of Chemistry, 3 Str. Academiei 3, MD-2028 Chișinău, Moldova; (M.Z.); (E.S.); (S.P.)
| | - Serghei Pogrebnoi
- Laboratory of Organic Synthesis, Institute of Chemistry, 3 Str. Academiei 3, MD-2028 Chișinău, Moldova; (M.Z.); (E.S.); (S.P.)
| | - Anastasia Smetanscaia
- Scientific Center for Drug Research, “Nicolae Testemițanu” State University of Medicine and Pharmacy, Bd. Stefan Cel Mare și Sfant 165, MD-2004 Chișinău, Moldova; (A.S.); (V.V.); (L.U.)
| | - Vladimir Valica
- Scientific Center for Drug Research, “Nicolae Testemițanu” State University of Medicine and Pharmacy, Bd. Stefan Cel Mare și Sfant 165, MD-2004 Chișinău, Moldova; (A.S.); (V.V.); (L.U.)
| | - Livia Uncu
- Scientific Center for Drug Research, “Nicolae Testemițanu” State University of Medicine and Pharmacy, Bd. Stefan Cel Mare și Sfant 165, MD-2004 Chișinău, Moldova; (A.S.); (V.V.); (L.U.)
| | - Victor Ch. Kravtsov
- Laboratory of Physical Methods of Solid State Investigation “Tadeusz Malinowski”, Institute of Applied Physics, Str. Academiei 5, MD-2028 Chișinău, Moldova; (V.C.K.); (E.M.)
| | - Elena Melnic
- Laboratory of Physical Methods of Solid State Investigation “Tadeusz Malinowski”, Institute of Applied Physics, Str. Academiei 5, MD-2028 Chișinău, Moldova; (V.C.K.); (E.M.)
| | - Anthi Petrou
- Department of Pharmacy, School of Health, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Jasmina Glamočlija
- Mycological Laboratory, Department of Plant Physiology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Beograd, Serbia; (J.G.); (M.S.)
| | - Marina Soković
- Mycological Laboratory, Department of Plant Physiology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Beograd, Serbia; (J.G.); (M.S.)
| | - Alejandro Carazo
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University, 500 05 Hradec Králové, Czech Republic; (A.C.); (P.M.)
| | - Přemysl Mladěnka
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University, 500 05 Hradec Králové, Czech Republic; (A.C.); (P.M.)
| | - Vladimir Poroikov
- Laboratory of Structure-Function Based Drug Design, Institute of Biomedical Chemistry, Pogodinskaya Str. 10, Bldg. 8, 119121 Moscow, Russia;
| | - Athina Geronikaki
- Department of Pharmacy, School of Health, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
- Correspondence: (A.G.); (F.Z.M.); Tel.: +30-2310-99-76-16 (A.G.)
| | - Fliur Z. Macaev
- Laboratory of Organic Synthesis, Institute of Chemistry, 3 Str. Academiei 3, MD-2028 Chișinău, Moldova; (M.Z.); (E.S.); (S.P.)
- Scientific Center for Drug Research, “Nicolae Testemițanu” State University of Medicine and Pharmacy, Bd. Stefan Cel Mare și Sfant 165, MD-2004 Chișinău, Moldova; (A.S.); (V.V.); (L.U.)
- Correspondence: (A.G.); (F.Z.M.); Tel.: +30-2310-99-76-16 (A.G.)
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Al-Warhi T, Sabt A, Elkaeed EB, Eldehna WM. Recent advancements of coumarin-based anticancer agents: An up-to-date review. Bioorg Chem 2020; 103:104163. [DOI: 10.1016/j.bioorg.2020.104163] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/09/2020] [Accepted: 08/10/2020] [Indexed: 12/13/2022]
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Jaber QAH, Abdul-Rida NA, Adnan S. Boosting 3H-Benzo[f]chromen-3-one Chalcone with Anti-inflammatory Drugs: Synthesis, Characterization, and Evaluation of Cytotoxicity and Antimicrobial Activity. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1070428020090195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Annunziata F, Pinna C, Dallavalle S, Tamborini L, Pinto A. An Overview of Coumarin as a Versatile and Readily Accessible Scaffold with Broad-Ranging Biological Activities. Int J Mol Sci 2020; 21:E4618. [PMID: 32610556 PMCID: PMC7370201 DOI: 10.3390/ijms21134618] [Citation(s) in RCA: 131] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 06/22/2020] [Accepted: 06/28/2020] [Indexed: 12/19/2022] Open
Abstract
Privileged structures have been widely used as an effective template for the research and discovery of high value chemicals. Coumarin is a simple scaffold widespread in Nature and it can be found in a considerable number of plants as well as in some fungi and bacteria. In the last years, these natural compounds have been gaining an increasing attention from the scientific community for their wide range of biological activities, mainly due to their ability to interact with diverse enzymes and receptors in living organisms. In addition, coumarin nucleus has proved to be easily synthetized and decorated, giving the possibility of designing new coumarin-based compounds and investigating their potential in the treatment of various diseases. The versatility of coumarin scaffold finds applications not only in medicinal chemistry but also in the agrochemical field as well as in the cosmetic and fragrances industry. This review is intended to be a critical overview on coumarins, comprehensive of natural sources, metabolites, biological evaluations and synthetic approaches.
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Affiliation(s)
- Francesca Annunziata
- Department of Pharmaceutical Science, University of Milan, via Mangiagalli 25, 20133 Milan, Italy; (F.A.); (C.P.)
| | - Cecilia Pinna
- Department of Pharmaceutical Science, University of Milan, via Mangiagalli 25, 20133 Milan, Italy; (F.A.); (C.P.)
| | - Sabrina Dallavalle
- Department of Food, Environmental and Nutritional Sciences, University of Milan, via Celoria 2, 20133 Milan, Italy; (S.D.); (A.P.)
| | - Lucia Tamborini
- Department of Pharmaceutical Science, University of Milan, via Mangiagalli 25, 20133 Milan, Italy; (F.A.); (C.P.)
| | - Andrea Pinto
- Department of Food, Environmental and Nutritional Sciences, University of Milan, via Celoria 2, 20133 Milan, Italy; (S.D.); (A.P.)
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Abstract
This review is a compilation of the green synthetic methods used in the synthesis
of coumarin derivatives. Coumarins are a class of compounds with a pronounced wide
range of biological activities, which have found their application in medicine, pharmacology,
cosmetics and food industry. Their biological activity and potential application are
highly dependent on their structure. Therefore, many researchers have been performing
the synthesis of coumarin derivatives on a daily basis. High demands for their synthesis
often result in an increased generation of different waste chemicals. In order to minimize
the utilization and generation of toxic organic substances, green synthetic methods are applied
in this manner. These methods are getting more attention in the last few decades.
Green chemistry methods cover a wide range of methods, including the application of ultrasound
and microwaves, ionic liquids and deep eutectic solvents, solvent-free synthesis, mechanosynthesis
and multicomponent reactions. All typical condensation reactions for coumarin synthesis like Knoevenagel,
Perkin, Kostanecki-Robinson, Pechmann and Reformansky reactions, have been successfully performed using
these green synthetic methods. According to the authors mentioned in this review, not only these methods reduce
the utilization and generation of toxic chemicals, but they can also enhance the reaction performance in
terms of product yields, purity, energy consumption and post-synthetic procedures when compared to the conventional
methods. Due to the significance of coumarins as biologically active systems and the recent demands
of reducing toxic solvents, catalysts and energy consumption, this review provides a first full literature overview
on the application of green synthetic methods in the coumarin synthesis. It covers a literature search over
the period from 1995-2019. The importance of this work is its comprehensive literature survey on a specific
class of heterocyclic compounds, and those researchers working on the coumarin synthesis can find very useful
information on the green synthetic approaches to their synthesis. There are some reviews on the coumarin synthesis,
but most of them cover only specific reactions on coumarin synthesis and none of them the whole range
of green chemistry methods.
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Affiliation(s)
- Maja Molnar
- Josip Juraj Strossmayer University of Osijek, Faculty of Food Technology Osijek, F. Kuhača 20, HR-31000 Osijek, Croatia
| | - Melita Lončarić
- Josip Juraj Strossmayer University of Osijek, Faculty of Food Technology Osijek, F. Kuhača 20, HR-31000 Osijek, Croatia
| | - Marija Kovač
- Inspecto d.o.o., Industrijska zona Nemetin, Vukovarska cesta 239b, HR-31000 Osijek, Croatia
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Feng D, Zhang A, Yang Y, Yang P. Coumarin-containing hybrids and their antibacterial activities. Arch Pharm (Weinheim) 2020; 353:e1900380. [PMID: 32253782 DOI: 10.1002/ardp.201900380] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 03/09/2020] [Accepted: 03/17/2020] [Indexed: 12/31/2022]
Abstract
Infections caused by Gram-positive and -negative bacteria are one of the foremost causes of morbidity and mortality globally. Antibiotics are the mainstay of therapy for bacterial infections, but the emergence and wide spread of drug-resistant pathogens have already become a huge issue for public healthcare systems. The coumarin moiety, which is ubiquitous in nature, could bind to the B subunit of DNA gyrase in bacteria and inhibit DNA supercoiling by blocking the ATPase activity; hence, coumarin derivatives possess potential antibacterial activity. Several coumarin-containing hybrids such as coumermycin A1, clorobiocin, and novobiocin have already been used in clinical practice for the treatment of various bacterial infections; thus, it is conceivable that hybridization of the coumarin moiety with other antibacterial pharmacophores may provide opportunities for the development of novel antibiotics. This review outlines the advances in coumarin-containing hybrids with antibacterial potential in the recent 5 years and the structure-activity relationships are also discussed.
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Affiliation(s)
- Dongxu Feng
- Department of Disinfection Center, Zhuji Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang, China
| | - Aihua Zhang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang, Guizhou, China
| | - Yuan Yang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang, Guizhou, China.,Dong Medicine Key Laboratory of Hunan Province, Department of Laboratory Medicine, Hunan University of Medicine, Huaihua, Hunan, China
| | - Peng Yang
- Dong Medicine Key Laboratory of Hunan Province, Department of Laboratory Medicine, Hunan University of Medicine, Huaihua, Hunan, China
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Maddila SN, Maddila S, Khumalo M, Bhaskaruni SV, Jonnalagadda SB. An eco-friendly approach for synthesis of novel substituted 4H-chromenes in aqueous ethanol under ultra-sonication with 94% atom economy. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.03.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Design, Synthesis, and Mechanism of Dihydroartemisinin⁻Coumarin Hybrids as Potential Anti-Neuroinflammatory Agents. Molecules 2019; 24:molecules24091672. [PMID: 31035404 PMCID: PMC6539525 DOI: 10.3390/molecules24091672] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 04/23/2019] [Accepted: 04/24/2019] [Indexed: 11/17/2022] Open
Abstract
Cancer patients frequently suffer from cancer-related fatigue (CRF), which is a complex syndrome associated with weakness and depressed mood. Neuroinflammation is one of the major inducers of CRF. The aim of this study is to find a potential agent not only on the treatment of cancer, but also for reducing CRF level of cancer patients. In this study, total-thirty new Dihydroartemisinin-Coumarin hybrids (DCH) were designed and synthesized. The in vitro cytotoxicity against cancer cell lines (HT-29, MDA-MB-231, HCT-116, and A549) was evaluated. Simultaneously, we also tested the anti-neuroinflammatory activity of DCH. DCH could inhibit the activated microglia N9 release of NO, TNF-α, and IL-6. The docking analysis was shown that MD-2, the coreceptor of TLR4, might be one of the targets of DCH.
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Sui Z, Luo J, Yao R, Huang C, Zhao Y, Kong L. Functional characterization and correlation analysis of phenylalanine ammonia-lyase (PAL) in coumarin biosynthesis from Peucedanum praeruptorum Dunn. PHYTOCHEMISTRY 2019; 158:35-45. [PMID: 30448740 DOI: 10.1016/j.phytochem.2018.11.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 11/06/2018] [Accepted: 11/08/2018] [Indexed: 06/09/2023]
Abstract
Coumarins exhibit many biological activities and are the main specialised metabolites of Peucedanum praeruptorum Dunn, an important plant used in traditional Chinese medicine. In preliminary studies, we cloned several genes involved in coumarin biosynthesis in P. praeruptorum, such as 4-coumarate: CoA ligase (4CL), p-coumaroyl CoA 2'-hydroxylase (C2'H), feruloyl CoA 6'-hydroxylase (F6'H) and bergaptol O-methyltransferase (BMT). However, phenylalanine ammonia-lyase (PAL) in P. praeruptorum (PpPAL) has not yet been studied. In the present study, we cloned one novel PpPAL gene. Subsequently, the relationship between gene and compounds was studied using quantitative real-time PCR (qRT-PCR) and High Performance Liquid Chromatography (HPLC) analysis. Then, enzyme function was analyzed with L-phenylalanine (L-Phe) as substrate. These experiments showed that the coumarin content could be upregulated by methyl jasmonate (MeJA), UV irradiation and cold, which was consistent with increased expression levels of PpPAL. In addition, correlation analysis indicated that coumarins were partially related to PpPAL. And the recombinant protein could catalyze the conversion of L-Phe to trans-cinnamic acid (t-CA) with a Km of 120 ± 33 μM and a Kcat of 117 ± 32 min-1. Besides, Tyr110, Phe116, Gly117, Ser206, Leu209, Leu259, Tyr354, Arg357, Asn387 and Phe403 were essential for enzymatic activity based on three-dimensional modeling and site-directed mutagenesis experiments. Altogether these results highlight the importance of PpPAL in abiotically induced coumarin biosynthesis and provide further insights regarding the structure-function relationships of this protein.
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Affiliation(s)
- Ziwei Sui
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Jun Luo
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Ruolan Yao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Chuanlong Huang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Yucheng Zhao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China.
| | - Lingyi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China.
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Ren H, Mu Y, Zhang M, Zhang AQ. Synthesis of 3-Phenylsulfonylcoumarins by Cyclisation of Phenyl Propiolates with Sulfinic Acids or Sodium Sulfinates. JOURNAL OF CHEMICAL RESEARCH 2018. [DOI: 10.3184/174751918x15385227785338] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Methods for the synthesis of 3-phenylsulfonylcoumarins by radical sulfonylation cyclisation of phenyl propiolates with sulfinic acids or sodium sulfinates as sulfonyl sources have been developed. A combination of potassium persulfate as oxidant and silver nitrate as catalyst, or tert-butyl hydroperoxide as oxidant and potassium iodide as catalyst were used. The products were formed by an ipso-cyclisation/1,2-ester migration mechanism. The toleration of functional groups is broad and the yield is up to 96%.
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Affiliation(s)
- Hexiang Ren
- College of Chemistry and Chemical Engineering and Key Laboratory of Functional Small Organic Molecule, Ministry of Education, Jiangxi Normal University (Yaohu campus), 99 Ziyangdadao Avenue, Nanchang, Jiangxi 330022, P.R. China
| | - Yuanyang Mu
- College of Chemistry and Chemical Engineering and Key Laboratory of Functional Small Organic Molecule, Ministry of Education, Jiangxi Normal University (Yaohu campus), 99 Ziyangdadao Avenue, Nanchang, Jiangxi 330022, P.R. China
| | - Ming Zhang
- College of Chemistry and Chemical Engineering and Key Laboratory of Functional Small Organic Molecule, Ministry of Education, Jiangxi Normal University (Yaohu campus), 99 Ziyangdadao Avenue, Nanchang, Jiangxi 330022, P.R. China
| | - Ai Qin Zhang
- Department of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang, Jiangxi, 330063 P.R. China
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Ren H, Zhang M, Zhang AQ. Synthesis of 3-sulfonyl coumarins through radical sulfonylation with disulfides under catalyst-free conditions. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.07.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Synthesis, molecular docking studies and biological evaluation of potent coumarin–carbonodithioate hybrids via microwave irradiation. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.cdc.2018.04.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Shaikh F, Shastri S, Chougala BM, Holiyachi M, Shastri LA, Joshi SD, Sunagar. VA. Synthesis of 2,3‐Dihydro Flavone Coumarins as a Class of Potent Antifungal and Anti‐inflammatory Agents. ChemistrySelect 2018. [DOI: 10.1002/slct.201800120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Farzanabi Shaikh
- Department of ChemistryKarnatak University Dharwad 580003, Karnataka India
| | | | | | | | - Lokesh A. Shastri
- Department of ChemistryKarnatak University Dharwad 580003, Karnataka India
| | - Shrinivas D. Joshi
- Novel Drug Design and Discovery Laboratory, Department of Pharmaceutical ChemistryS.E.T's College of Pharmacy, Sangolli Rayanna Nagar Dharwad- 580002, Karnataka India
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