1
|
Roy S, Acosta JAM, Karak M, Ramirez-Velez I, Torikai K, Ren D, Barbosa LCA. Effects of Synthetic Tetronamides and Methylated Denigrins on Bacterial Quorum Sensing and Biofilm Formation. ACS OMEGA 2023; 8:37798-37807. [PMID: 37867724 PMCID: PMC10586261 DOI: 10.1021/acsomega.3c01729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 09/15/2023] [Indexed: 10/24/2023]
Abstract
Detrimental biofilms of bacterial pathogens cause chronic infections with a high-level tolerance to antibiotics. To identify new control agents, we synthesized and tested a total of 14 tetronamides (including 5 new compounds) and 6 denigrin intermediates on the model species Escherichia coli. At a concentration of 50 μg/mL, two tetronamides and two methylated denigrins exhibited significant inhibitory effects against biofilm formation of E. coli RP437, e.g., by 60 and 94%, respectively. Structural analysis of the tested compounds revealed that p-methoxybenzylidene and p-methoxyphenethyl moieties of denigrins are important for biofilm inhibition, while the former group is also essential to the activity against quorum sensing (QS) via AI-2. Specifically, tetramethyldenigrin B has strong inhibitory effects against both E. coli biofilm formation and AI-2-mediated QS and thus provides a promising lead structure for designing better control agents. Consistently, tetramethyldenigrin B also showed inhibitory activity against biofilm formation of uropathogenic E. coli. Together, these findings provide new insights for the rational design of novel biofilm and QS inhibitors.
Collapse
Affiliation(s)
- Sweta Roy
- Department
of Biomedical and Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
| | - Jaime A. M. Acosta
- Department
of Chemistry, Universidade Federal de Minas
Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG CEP 31270-901, Brazil
- Chemical
Technology School, Universidad Tecnológica
de Pereira, Carrera 27
#10-02, Barrio Álamos, Risaralda, Pereira Código postal 660003, Colombia
| | - Milandip Karak
- Department
of Chemistry, Universidade Federal de Minas
Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG CEP 31270-901, Brazil
- Department
of Chemistry, Faculty of Science, Kyushu
University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Isabela Ramirez-Velez
- Department
of Biomedical and Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
| | - Kohei Torikai
- Department
of Chemistry, Faculty of Science, Kyushu
University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- Faculty
of Chemistry, National University of Uzbekistan
named after Mirzo Ulugbek, 4 University Str., Tashkent 100174, Uzbekistan
| | - Dacheng Ren
- Department
of Biomedical and Chemical Engineering and Civil and Environmental
Engineering and Biology, Syracuse University, Syracuse, New York 13244, United States
| | - Luiz C. A. Barbosa
- Department
of Chemistry, Universidade Federal de Minas
Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, MG CEP 31270-901, Brazil
| |
Collapse
|
2
|
Silva JG, de Miranda AS, Ismail FMD, Barbosa LCA. Synthesis and medicinal chemistry of tetronamides: Promising agrochemicals and antitumoral compounds. Bioorg Med Chem 2022; 67:116815. [PMID: 35598527 DOI: 10.1016/j.bmc.2022.116815] [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: 02/14/2022] [Revised: 05/06/2022] [Accepted: 05/09/2022] [Indexed: 11/30/2022]
Abstract
Butenolides and tetronic acids occupy a prominent position in synthetic chemistry due to their ubiquitous distribution in nature. This has stimulated investigations firstly in the synthesis of such systems and, laterly, the interest has turned to the understanding of the quantum structure of such systems, allowing a deeper understanding of the mechanism and reactivity of this cyclic scaffold. In contrast, tetronamides, which consist of compounds bearing a 4-aminofuran-2(5H)-one backbone, are relatively rare in nature and synthetic routes to such compounds are poorly explored. This review highlights both the importance of the tetronamide scaffold in medicinal chemistry and the most relevant recondite synthetic strategies for obtaining compounds of this class.
Collapse
Affiliation(s)
- Júnio G Silva
- Department of Chemistry, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901 Belo Horizonte, MG, Brazil
| | - Amanda S de Miranda
- Department of Chemistry, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901 Belo Horizonte, MG, Brazil
| | - Fyaz M D Ismail
- Centre for Natural Product Discovery (CNPD), School of Pharmacy & Biomolecular Sciences, Byrom Street, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Luiz C A Barbosa
- Department of Chemistry, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901 Belo Horizonte, MG, Brazil.
| |
Collapse
|
3
|
Mou H, Shi J, Chen J, Hu D. Synthesis, antibacterial activity and mechanism of new butenolides derivatives containing an amide moiety. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 178:104913. [PMID: 34446189 DOI: 10.1016/j.pestbp.2021.104913] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 06/24/2021] [Accepted: 06/29/2021] [Indexed: 06/13/2023]
Abstract
A series of novel butenolide derivatives containing an amide were designed and synthesized with flupyradifurone as the lead compound. The biological activities test found that this series of compounds did not exhibit insecticidal activity, but had good antibacterial activities. Among all target compounds, compound 19 showed good antibacterial activity in vitro against Xanthomonas oryzae pv. oryzae (Xoo), with an EC50 value of 35.8 mg/L, which was superior to that of bismerthiazol (73.5 mg/L). Under greenhouse conditions, the curative and protective activities of compound 19 against bacterial leaf blight were 40.9% and 48.9% at 100 mg/L, respectively, which were superior to those of bismerthiazol (31.2% and 31.4%). In addition, compound 19 can not only cause changes in the cell surface morphology of Xoo, but also increase the activity of rice defense enzymes. The mechanism of action studies showed that the protective activity of compound 19 against rice bacterial leaf blight is closely related to the improvement of defense-related enzyme activities and the upregulation of proteins involved in oxidative phosphorylation.
Collapse
Affiliation(s)
- Honglan Mou
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, PR China
| | - Jing Shi
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, PR China
| | - Jixiang Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, PR China.
| | - Deyu Hu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, PR China.
| |
Collapse
|
4
|
Microwave-assisted regioselective reaction of furanone derivative supported by DFT stimulation and molecular docking to afford controlling insecticidal agents. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2021. [DOI: 10.1007/s13738-021-02202-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
5
|
Khan I, Ibrar A, Zaib S. Alkynoates as Versatile and Powerful Chemical Tools for the Rapid Assembly of Diverse Heterocycles under Transition-Metal Catalysis: Recent Developments and Challenges. Top Curr Chem (Cham) 2021; 379:3. [PMID: 33398642 DOI: 10.1007/s41061-020-00316-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 11/16/2020] [Indexed: 12/15/2022]
Abstract
Heterocycles, heteroaromatics and spirocyclic entities are ubiquitous components of a wide plethora of synthetic drugs, biologically active natural products, marketed pharmaceuticals and agrochemical targets. Recognizing their high proportion in drugs and rich pharmacological potential, these invaluable structural motifs have garnered significant interest, thus enabling the development of efficient catalytic methodologies providing access to architecturally complex and diverse molecules with high atom-economy and low cost. These chemical processes not only allow the formation of diverse heterocycles but also utilize a range of flexible and easily accessible building units in a single operation to discover diversity-oriented synthetic approaches. Alkynoates are significantly important, diverse and powerful building blocks in organic chemistry due to their unique and inherent properties such as the electronic bias on carbon-carbon triple bonds posed by electron-withdrawing groups or the metallic coordination site provided by carbonyl groups. The present review highlights the comprehensive picture of the utility of alkynoates (2007-2019) for the synthesis of various heterocycles (> 50 types) using transition-metal catalysts (Ru, Rh, Pd, Ir, Ag, Au, Pt, Cu, Mn, Fe) in various forms. The valuable function of versatile alkynoates (bearing multifunctional groups) as simple and useful starting materials is explored, thus cyclizing with an array of coupling partners to deliver a broad range of oxygen-, nitrogen-, sulfur-containing heterocycles alongside fused-, and spiro-heterocyclic compounds. In addition, these examples will also focus the scope and reaction limitations, as well as mechanistic investigations into the synthesis of these heterocycles. The biological significance will also be discussed, citing relevant examples of drug molecules highlighting each class of heterocycles. This review summarizes the recent developments in the synthetic methods for the synthesis of various heterocycles using alkynoates as readily available starting materials under transition-metal catalysis.
Collapse
Affiliation(s)
- Imtiaz Khan
- Department of Chemistry, School of Natural Sciences, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
- Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.
| | - Aliya Ibrar
- Department of Chemistry, Faculty of Natural Sciences, The University of Haripur, Haripur, KPK-22620, Pakistan
| | - Sumera Zaib
- Department of Biochemistry, Faculty of Life Sciences, University of Central Punjab, Lahore, 54590, Pakistan
| |
Collapse
|
6
|
Lashin WH, Nassar IF, El Farargy AF, Abdelhamid AO. Synthesis of New Furanone Derivatives with Potent Anticancer Activity. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1068162020060163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
7
|
Yang K, Yang JQ, Luo SH, Mei WJ, Lin JY, Zhan JQ, Wang ZY. Synthesis of N-2(5H)-furanonyl sulfonyl hydrazone derivatives and their biological evaluation in vitro and in vivo activity against MCF-7 breast cancer cells. Bioorg Chem 2020; 107:104518. [PMID: 33303210 DOI: 10.1016/j.bioorg.2020.104518] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 10/23/2020] [Accepted: 11/24/2020] [Indexed: 02/08/2023]
Abstract
A series of (E)-N-2(5H)-furanonyl sulfonyl hydrazone derivatives have been rationally designed and efficiently synthesized by one-pot reaction with good yields for the first time. This green approach with wide substrate range and good selectivity can be achieved at room temperature in a short time in the presence of metal-free catalyst. The cytotoxic activities against three human cancer cell lines of all newly obtained compounds have been evaluated by MTT assay. Among them, compound 5 k exhibits high cytotoxic activity against MCF-7 human breast cancer cells with an IC50 value of 14.35 μM. The cytotoxic mechanism may involve G2/M phase arrest pathway, which is probably caused by activating DNA damage. Comet test and immunofluorescence results show that compound 5 k can induce DNA damage in time- and dose-dependent manner. Importantly, 5 k also can effectively inhibit the proliferation of MCF-7 cells and angiogenesis in the zebrafish xenograft model. It is potential to further develop N-2(5H)-furanonyl sulfonyl hydrazone derivatives as potent drugs for breast cancer treatment with higher cytotoxic activity by modifying the structure of the compound.
Collapse
Affiliation(s)
- Kai Yang
- School of Chemistry, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, Guangzhou, Guangdong, 510006, PR China; College of Pharmacy, Gannan Medical University, Ganzhou, Jiangxi 341000, PR China
| | - Jian-Qiong Yang
- Department of Clinical Research Center, the First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, PR China
| | - Shi-He Luo
- School of Chemistry, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, Guangzhou, Guangdong, 510006, PR China.
| | - Wen-Jie Mei
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, PR China.
| | - Jian-Yun Lin
- School of Chemistry, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, Guangzhou, Guangdong, 510006, PR China
| | - Jia-Qi Zhan
- School of Chemistry, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, Guangzhou, Guangdong, 510006, PR China
| | - Zhao-Yang Wang
- School of Chemistry, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, Guangzhou, Guangdong, 510006, PR China.
| |
Collapse
|
8
|
Chen Y, Caneli G, Almousa R, Wen X, Anderson GG, Xie D. An antibacterial dental light-cured glass-ionomer cement with improved hardness. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:2362-2380. [PMID: 32807032 DOI: 10.1080/09205063.2020.1812039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
An antibacterial dental light-cured glass-ionomer cement has been developed and evaluated. An antibacterial furanone derivative was synthesized and covalently attached onto the surface of alumina filler particles. The formed antibacterial fillers were then mixed into a light-curable glass-ionomer cement formulation. Surface hardness and bacterial viability were used to evaluate the modified cements. Effects of coated furanone moiety content on the modified fillers, modified alumina filler particle size and loading, and total glass filler content were investigated. Results showed that increasing antibacterial furanone content, modified particle size and loading, and total glass filler content generally increased surface hardness. Increasing furanone moiety, filler loading and total filler content increased antibacterial activity. On the other hand, increasing particle size decreased antibacterial activity. The leaching tests indicate that the modified experimental cement showed no leachable antibacterial component to bacteria and cells.
Collapse
Affiliation(s)
- Yong Chen
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| | - Gulsah Caneli
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| | - Rashed Almousa
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| | - Xin Wen
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| | - Gregory G Anderson
- Department of Biology, Purdue School of Science, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| | - Dong Xie
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| |
Collapse
|
9
|
Acosta JA, Karak M, Barbosa LC, Boukouvalas J, Straforini A, Forlani G. Synthesis of new tetronamides displaying inhibitory activity against bloom-forming cyanobacteria. PEST MANAGEMENT SCIENCE 2020; 76:779-788. [PMID: 31397956 DOI: 10.1002/ps.5580] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 07/16/2019] [Accepted: 07/29/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND The increasing frequency and intensity of cyanobacterial blooms pose a serious threat to aquatic ecosystems. These blooms produce potent toxins that can contaminate drinking water and endanger the life of wild and domestic animals as well as humans. Consequently, the development of effective methods for their control is a matter of high priority. We have previously shown that some γ-benzylidenebutenolides, related to the rubrolide family of natural products, are capable of inhibiting the photosynthetic electron transport chain (Hill reaction), a target of commercial herbicides. Here we report the synthesis and biological properties of a new class of rubrolide-inspired molecules featuring a tetronamide motif. RESULTS A total of 47 N-aryl tetronamides, including 38 aldol adducts, were prepared bearing phenyl, biphenyl, naphthyl, aliphatic and heteroaromatic groups. Some of the aldol adducts were dehydrated to the corresponding γ-benzylidenetetronamides, although satisfactory yields were obtained in only three cases (52-97%). None of the synthesized compounds were capable of blocking the Hill reaction. This notwithstanding, several aldol adducts equipped with a biphenyl substituent displayed excellent inhibitory activity against Synechococcus elongatus and other cyanobacterial strains (IC50 = 1-5 μM). Further, these tetronamides were found to be essentially inactive against eukaryotic microorganisms. CONCLUSION Several newly synthesized biphenyl-containing tetronamides were shown to display potent and selective inhibitory activity against cyanobacteria. These compounds appear to exert their biological effects without interfering with the Hill reaction. As such, they represent novel leads in the search of environmentally benign agents for controlling cyanobacterial blooms. © 2019 Society of Chemical Industry.
Collapse
Affiliation(s)
- Jaime Am Acosta
- Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Milandip Karak
- Department of Chemistry, Federal University of Viçosa, Viçosa, Brazil
| | - Luiz Ca Barbosa
- Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
- Department of Chemistry, Federal University of Viçosa, Viçosa, Brazil
| | - John Boukouvalas
- Department of Chemistry, Pavillon Alexandre-Vachon, Université Laval, Quebec, Canada
| | - Andrea Straforini
- Department of Life Science and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Giuseppe Forlani
- Department of Life Science and Biotechnology, University of Ferrara, Ferrara, Italy
| |
Collapse
|
10
|
Almousa R, Wen X, Anderson GG, Xie D. An improved dental composite with potent antibacterial function. Saudi Dent J 2019; 31:367-374. [PMID: 31337942 PMCID: PMC6626271 DOI: 10.1016/j.sdentj.2019.03.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/21/2019] [Accepted: 03/21/2019] [Indexed: 12/13/2022] Open
Abstract
A new BisGMA-based antibacterial dental composite has been formulated and evaluated. Compressive strength and bacterial viability were utilized to evaluate the formed composites. It was found that the new composite exhibited a significantly enhanced antibacterial function along with improved mechanical and physical properties. The bromine-containing derivative-modified composite was more potent in antibacterial activity than the chlorine-containing composite. The modified composites also exhibited an increase of 30-53% in compressive yield strength, 15-30% in compressive modulus, 15-33% in diametral tensile strength and 6-20% in flexural strength, and a decrease of 57-76% in bacterial viability, 23-37% in water sorption, 8-15% in shrinkage, 8-13% in compressive strength, and similar degree of conversion, than unmodified composite. It appears that this experimental composite may possibly be introduced to dental clinics as an attractive dental restorative due to its improved properties as well as enhanced antibacterial function.
Collapse
Affiliation(s)
- Rashed Almousa
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
- Department of Medical Equipment Technology, College of Applied Medical Science, Majmaah University, Almajmaah, Riyadh 11952, Saudi Arabia
| | - Xin Wen
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| | - Gregory G. Anderson
- Department of Biology, Purdue School of Science, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| | - Dong Xie
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, USA
| |
Collapse
|
11
|
Insights into the chemistry and therapeutic potential of furanones: A versatile pharmacophore. Eur J Med Chem 2019; 171:66-92. [DOI: 10.1016/j.ejmech.2019.03.021] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/09/2019] [Accepted: 03/07/2019] [Indexed: 02/06/2023]
|
12
|
Almouse R, Wen X, Na S, Anderson G, Xie D. Polyvinylchloride surface with enhanced cell/bacterial adhesion-resistant and antibacterial functions. J Biomater Appl 2019; 33:1415-1426. [DOI: 10.1177/0885328219834680] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This study reports synthesis and attachment of a novel antibacterial and hydrophilic polymer onto a polyvinylchloride surface via a simple and mild surface coating technique. The compound 3,4-dichloro-5-hydroxy-2(5H)-furanone was derivatized and copolymerized with N-vinylpyrrolidone. The copolymer was then covalently coated onto polyvinylchloride surface. 3T3 mouse fibroblast cells and bacterium Pseudomonas aeruginosa were used to evaluate surface adhesion and antibacterial activity. Results showed that the polymer-modified polyvinylchloride surface not only exhibited significantly decreased 3T3 fibroblast cell adhesion with a 64–84% reduction but also demonstrated significantly decreased P. aeruginosa adhesion with a 65–84% reduction, as compared to unmodified polyvinylchloride. Furthermore, the modified polyvinylchloride surfaces exhibited significant antibacterial functions by inhibiting P. aeruginosa growth with a 58–80% reduction and killing bacteria, as compared to unmodified polyvinylchloride. These results demonstrate that covalent polymer attachment conferred cell/bacterial adhesion-resistant and antibacterial properties to the polyvinylchloride surface.
Collapse
Affiliation(s)
- Rashed Almouse
- Department of Biomedical Engineering, Purdue School of Engineering and Technology Indiana University-Purdue University at Indianapolis
- Department of Medical Equipment Technology, College of Applied Medical Science Majmaah University, Almajmaah, Riyadh, Saudi Arabia
| | - Xin Wen
- Department of Biomedical Engineering, Purdue School of Engineering and Technology Indiana University-Purdue University at Indianapolis
| | - Sungsoo Na
- Department of Biomedical Engineering, Purdue School of Engineering and Technology Indiana University-Purdue University at Indianapolis
| | - Gregory Anderson
- Department of Biology, Purdue School of Science Indiana University-Purdue University at Indianapolis
| | - Dong Xie
- Department of Biomedical Engineering, Purdue School of Engineering and Technology Indiana University-Purdue University at Indianapolis
| |
Collapse
|
13
|
Almousa R, Wen X, Na S, Anderson G, Xie D. A modified polyvinylchloride surface with antibacterial and antifouling functions. POLYM ADVAN TECHNOL 2019. [DOI: 10.1002/pat.4554] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Rashed Almousa
- Department of Biomedical Engineering, Purdue School of Engineering and TechnologyIndiana University‐Purdue University at Indianapolis Indianapolis IN 46202 USA
- Department of Medical Equipment Technology, College of Applied Medical ScienceMajmaah University Al Majma'ah Riyadh 11952 Saudi Arabia
| | - Xin Wen
- Department of Biomedical Engineering, Purdue School of Engineering and TechnologyIndiana University‐Purdue University at Indianapolis Indianapolis IN 46202 USA
| | - Sungsoo Na
- Department of Biomedical Engineering, Purdue School of Engineering and TechnologyIndiana University‐Purdue University at Indianapolis Indianapolis IN 46202 USA
| | - Gregory Anderson
- Department of Biology, Purdue School of ScienceIndiana University‐Purdue University at Indianapolis Indianapolis IN 46202 USA
| | - Dong Xie
- Department of Biomedical Engineering, Purdue School of Engineering and TechnologyIndiana University‐Purdue University at Indianapolis Indianapolis IN 46202 USA
| |
Collapse
|
14
|
Mahmoud NFH, El-Hashash MA, Elsayed GA. Utility of 3-benzylidenefuran-2(3H)-one and 3-benzylideneisobenzofuran-1(3H)-one as precursors of biologically active novel heterocycles. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1553-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
15
|
Xie D, Howard L, Almousa R. Surface modification of polyurethane with a hydrophilic, antibacterial polymer for improved antifouling and antibacterial function. J Biomater Appl 2018; 33:340-351. [PMID: 30089433 DOI: 10.1177/0885328218792687] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Antimicrobial surface is important for the inhibition of bacteria or biofilm formation on biomaterials. The objective of this study was to immobilize a novel hydrophilic polymer containing the antibacterial moiety onto polyurethane surface via a simple surface coating technology to make the surface not only antibacterial but also antifouling. The compound 3,4-dichloro-5-hydroxy-2(5H)-furanone was derivatized, characterized and incorporated onto polyvinylpyrrolidone containing succinimidyl functional groups, followed by coating onto the polyurethane surface. Contact angle, antibacterial function and protein adsorption of the modified surface were evaluated. The result shows that the modified surface exhibited significantly enhanced hydrophilicity with a 54-65% decrease in contact angle, increased antibacterial activity to Staphylococcus aureus, Staphylococcus epidermidis, and Pseudomonas aeruginosa with a 24-57% decrease in viability, and reduced human serum albumin adsorption with a 64-70% decrease in adsorption, as compared to the original polyurethane.
Collapse
Affiliation(s)
- Dong Xie
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis 46202, IN, USA
| | - Leah Howard
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis 46202, IN, USA
| | - Rashed Almousa
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis 46202, IN, USA
| |
Collapse
|
16
|
Guo J, Hu J, Cao R, Chen Q, Li K. Androgen Receptor Is Inactivated and Degraded in Bladder Cancer Cells by Phenyl Glucosamine via miR-449a Restoration. Med Sci Monit 2018; 24:2294-2301. [PMID: 29659560 PMCID: PMC5918918 DOI: 10.12659/msm.906836] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background Bladder cancer caused by exposure to aniline dyes, chronic cystitis, and smoking is detected in approximately 70 000 new cases annually. In the USA alone, it leads to 15 000 deaths every year. In the present study, we investigated the role of 3-((4′-amino-[1,1′-biphenyl]-4-yl)amino)-4-bromo-5-oxo-2,5-dihydrofuran-2-yl acetate (ABDHFA) in the inhibition of bladder cancer cell viability. Material/Methods Viability of cells was examined using MTT assay and distribution of cell cycle was assessed by flow cytometry. Expression of cyclin D1, androgen, prostate-specific antigen (PSA), and miR-449a was analyzed using Western blot and quantitative real-time polymerase chain reaction assays. Results The results demonstrated that ABDHFA treatment inhibited viability of UMUC3 and TCCSUP AR-positive bladder cancer cells. ABDHFA treatment led to break-down of AR in UMUC3 and TCCSUP cells after 48 h in a dose-dependent manner. Up-regulation of miR-449a by lentivirus transfection down-regulated the AR signalling pathway. In UMUC3 and TCCSUP cells, ABDHFA treatment led to inhibition of mRNA and protein expression corresponding to AR. Conclusions In summary, the present study demonstrates that proliferation of AR-positive bladder carcinoma cells is markedly reduced by ABDHFA treatment through arrest of cell cycle and degradation of AR protein. Thus, ABDHFA, a novel compound, can be used for the treatment of bladder cancer.
Collapse
Affiliation(s)
- Ju Guo
- Institute of Urology, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China (mainland)
| | - Jieping Hu
- Institute of Urology, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China (mainland)
| | - Runfu Cao
- Institute of Urology, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China (mainland)
| | - Qingsheng Chen
- Institute of Urology, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China (mainland)
| | - Kanghua Li
- Institute of Urology, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China (mainland)
| |
Collapse
|
17
|
Simple 2(5H)-furanone derivatives with selective cytotoxicity towards non-small cell lung cancer cell line A549 – Synthesis, structure-activity relationship and biological evaluation. Eur J Med Chem 2018; 150:687-697. [DOI: 10.1016/j.ejmech.2018.03.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 03/05/2018] [Accepted: 03/07/2018] [Indexed: 02/03/2023]
|
18
|
Sharafutdinov IS, Trizna EY, Baidamshina DR, Ryzhikova MN, Sibgatullina RR, Khabibrakhmanova AM, Latypova LZ, Kurbangalieva AR, Rozhina EV, Klinger-Strobel M, Fakhrullin RF, Pletz MW, Bogachev MI, Kayumov AR, Makarewicz O. Antimicrobial Effects of Sulfonyl Derivative of 2(5 H)-Furanone against Planktonic and Biofilm Associated Methicillin-Resistant and -Susceptible Staphylococcus aureus. Front Microbiol 2017; 8:2246. [PMID: 29209288 PMCID: PMC5701942 DOI: 10.3389/fmicb.2017.02246] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 10/31/2017] [Indexed: 01/15/2023] Open
Abstract
The gram-positive opportunistic bacterium Staphylococcus aureus is one of the most common causatives of a variety of diseases including skin and skin structure infection or nosocomial catheter-associated infections. The biofilm formation that is an important virulence factor of this microorganism renders the antibiotic therapy ineffective, because biofilm-embedded bacteria exhibit strongly increased tolerance to antimicrobials. Here, we describe a novel 3-chloro-5(S)-[(1R,2S,5R)-2-isopropyl-5-methylcyclohexyloxy]-4-[4-methylphenylsulfonyl]-2(5H)-furanone (F105), possessing a sulfonyl group and l-menthol moiety. Minimal inhibitory and bactericidal concentration values (MIC and MBC) of F105 were 10 and 40 mg/L, respectively, suggesting F105 biocidal properties. F105 exhibits pronounced activity against biofilm-embedded S. aureus and increases the efficacy of aminoglycosides (amikacin, gentamicin, and kanamycin) and benzalkonium chloride with fractional inhibitory concentration index values of 0.33–0.44 and 0.29, respectively, suggesting an alternative external treatment option, e.g., for wound infections. Moreover, low concentrations (0.5–1.3 mg/L) of F105 reduced the MICs of these antimicrobials twofold. By using confocal laser scanning microscopy and CFU counting, we show explicitly that F105 also restores the antimicrobial activity of gentamicin and ampicillin against S. aureus biofilms by several orders of magnitude. Biofilm structures were not destroyed but sterilized, with embedded cells being almost completely killed at twofold MBC. While F105 is quite toxic (CC50/MBC ratio 0.2), our data suggest that the F105 chemotype might be a promising starting point for the development of complex topical agents for combined anti-staphylococcal biofilm-therapies restoring the efficacy of some antibiotics against difficult to treat S. aureus biofilm.
Collapse
Affiliation(s)
| | - Elena Y Trizna
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Diana R Baidamshina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Maria N Ryzhikova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Regina R Sibgatullina
- Biofunctional Chemistry Laboratory, Alexander Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russia
| | - Alsu M Khabibrakhmanova
- Biofunctional Chemistry Laboratory, Alexander Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russia
| | - Liliya Z Latypova
- Biofunctional Chemistry Laboratory, Alexander Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russia
| | - Almira R Kurbangalieva
- Biofunctional Chemistry Laboratory, Alexander Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russia
| | - Elvira V Rozhina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Mareike Klinger-Strobel
- Center for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
| | - Rawil F Fakhrullin
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Mathias W Pletz
- Center for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
| | - Mikhail I Bogachev
- Biomedical Engineering Research Centre, Saint Petersburg Electrotechnical University, Saint Petersburg, Russia
| | - Airat R Kayumov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Oliwia Makarewicz
- Center for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
| |
Collapse
|
19
|
Wu YC, Luo SH, Mei WJ, Cao L, Wu HQ, Wang ZY. Synthesis and biological evaluation of 4-biphenylamino-5-halo-2( 5H )-furanones as potential anticancer agents. Eur J Med Chem 2017; 139:84-94. [DOI: 10.1016/j.ejmech.2017.08.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 06/15/2017] [Accepted: 08/02/2017] [Indexed: 10/19/2022]
|
20
|
Antibacterial glass-ionomer cement restorative materials: A critical review on the current status of extended release formulations. J Control Release 2017; 262:317-328. [DOI: 10.1016/j.jconrel.2017.07.041] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Revised: 07/28/2017] [Accepted: 07/29/2017] [Indexed: 02/02/2023]
|
21
|
Charif IE, Benchouk W, Mekelleche SM. Prediction of the Regioselectivity of 1,3-Dipolar Cycloaddition Reactions of Nitrile Oxides with 2(5H)-Furanones Using Recent Theoretical Reactivity Indices. PROGRESS IN REACTION KINETICS AND MECHANISM 2017. [DOI: 10.3184/146867817x14954764850324] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The regioselectivity of a series of 16 1,3-dipolar cycloaddition reactions of nitrile oxides with 2(5 H)-furanones has been analysed by means of global and local electrophilic and nucleophilic reactivity indices using density functional theory at the B3LYP level together with the 6-31G(d) basis set. The local electrophilicity and nucleophilicity indices, based on Fukui and Parr functions, have been calculated for the terminal sites, namely the C1 and O3 atoms of the 1,3-dipole and the C4 and C5 atoms of the dipolarophile. These local indices were calculated using both Mulliken and natural charges and spin densities. The results obtained show that the C5 atom of the 2(5 H)-furanones is the most electrophilic site whereas the O3 atom of the nitrile oxides is the most nucleophilic centre. It turns out that the experimental regioselectivity is correctly reproduced, indicating that both Fukui- and Parr-based indices are efficient tools for the prediction of the regiochemistry of the studied reactions and could be used for the prediction of new designed reactions of the same kind.
Collapse
Affiliation(s)
- Imad Eddine Charif
- Laboratory of Applied Thermodynamics and Molecular Modelling, Department of Chemistry, Faculty of Science, University of Tlemcen, PB 119, Tlemcen, 13000, Algeria
| | - Wafaa Benchouk
- Laboratory of Applied Thermodynamics and Molecular Modelling, Department of Chemistry, Faculty of Science, University of Tlemcen, PB 119, Tlemcen, 13000, Algeria
| | - Sidi Mohamed Mekelleche
- Laboratory of Applied Thermodynamics and Molecular Modelling, Department of Chemistry, Faculty of Science, University of Tlemcen, PB 119, Tlemcen, 13000, Algeria
| |
Collapse
|
22
|
Acosta JAM, Muddala R, Barbosa LCA, Boukouvalas J. Total Synthesis of the Antitumor Antibiotic Basidalin. J Org Chem 2016; 81:6883-6. [DOI: 10.1021/acs.joc.6b01255] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jaime A. M. Acosta
- Department
of Chemistry, Pavillon Alexandre-Vachon, Université Laval, 1045 Avenue de la Médecine, Quebec
City, Quebec G1V 0A6, Canada
| | - Ramesh Muddala
- Department
of Chemistry, Pavillon Alexandre-Vachon, Université Laval, 1045 Avenue de la Médecine, Quebec
City, Quebec G1V 0A6, Canada
| | - Luiz C. A. Barbosa
- Department
of Chemistry, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais (UFMG), Av. Pres. Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, 31270-901, MG, Brazil
| | - John Boukouvalas
- Department
of Chemistry, Pavillon Alexandre-Vachon, Université Laval, 1045 Avenue de la Médecine, Quebec
City, Quebec G1V 0A6, Canada
| |
Collapse
|
23
|
Karak M, Barbosa LCA, Acosta JAM, Sarotti AM, Boukouvalas J. Thermodynamically driven, syn-selective vinylogous aldol reaction of tetronamides. Org Biomol Chem 2016; 14:4897-907. [DOI: 10.1039/c6ob00895j] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A stereoselective vinylogous aldol reaction of N-monosubstituted tetronamides with aldehydes is described.
Collapse
Affiliation(s)
- Milandip Karak
- Department of Chemistry
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
| | - Luiz C. A. Barbosa
- Department of Chemistry
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
| | - Jaime A. M. Acosta
- Department of Chemistry
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
| | - Ariel M. Sarotti
- Instituto de Química Rosario (IQUIR)
- Universidad Nacional de Rosario–CONICET
- S2002LRK Rosario
- Argentina
| | - John Boukouvalas
- Département de Chimie
- Pavillon Alexandre-Vachon
- Université Laval
- Quebec City
- Canada
| |
Collapse
|
24
|
Quinoline based furanones and their nitrogen analogues: Docking, synthesis and biological evaluation. Saudi Pharm J 2015; 24:705-717. [PMID: 27829814 PMCID: PMC5094435 DOI: 10.1016/j.jsps.2015.05.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 05/24/2015] [Indexed: 12/16/2022] Open
Abstract
A small library of twenty-four quinoline based butenolides also known as furanones and their nitrogen analogues was prepared by using two different aroylpropionic acids, viz. 3-(2-naphthoyl)propionic acid (3) and 3-(biphenyl-4-yl)propionic acid (4), as starting materials. The 3-aroylpropionic acids were reacted with different 6-substituted-2-chloroquinolin-3-carbaldehydes (2a–d) to obtain the corresponding furan-2(3H)-ones (5a–h). The purified and characterized furanones were then converted into their corresponding 2(3H)-pyrrolones (6a–h) and N-benzyl-pyrrol-2(3H)-ones (7a–h). The antimicrobial activities of the title compounds were evaluated against two strains of each Gram +ve (Staphylococcus aureus and Bacillus subtilis), Gram −ve bacteria (Escherichia coli and Pseudomonas aeruginosa) and against fungal strains of Aspergillus niger and Aspergillus flavus. In vivo anti-inflammatory potential of the title compounds was investigated by standard method. Majority of the compounds showed significant antibacterial activity against both the Gram +ve strains. Eight most potent anti-inflammatory compounds (5b, 5d, 5h, 6b, 7b, 7d, 7f, 7h) which exhibited >53% inhibition in edema, were also screened for their in vivo analgesic activity. All the tested compounds were found to have significant reduction in ulcerogenic action but only three compounds (5d, 5h and 7h) showed comparable analgesic activity to standard drug, diclofenac. The results were also validated using in silico approach and maximum mol doc score was obtained for compounds 7a–h. On comparing the in vivo and in silico anti-inflammatory results of synthesized compounds, N-benzyl pyrrolones (7a–h) emerged as the potent anti-inflammatory agents. It was also observed that compounds that possess electron withdrawing group such as —Cl or NO2 are more biologically active.
Collapse
|
25
|
Shi J, Tang XD, Wu YC, Li HN, Song LJ, Wang ZY. Palladium-Catalyzed Desulfitative Arylation of 5-Alkoxy-3,4-dibromo-2(5H)-furanone with Sodium Arylsulfinates. European J Org Chem 2015. [DOI: 10.1002/ejoc.201403404] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
|
26
|
Xue F, Peng P, Shi J, Zhong M, Wang Z. Synthesis of 4-Diarylamino-3-iodo-2(5H)-furanones via the Simultaneous α-Iodination and N β -Arylation by an Efficient Difunctionalizable Transfer Reagent PhI(OAc)2. SYNTHETIC COMMUN 2014. [DOI: 10.1080/00397911.2013.879899] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Fuling Xue
- a School of Chemistry and Environment, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education , Guangzhou , China
| | - Pai Peng
- a School of Chemistry and Environment, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education , Guangzhou , China
| | - Jie Shi
- a School of Chemistry and Environment, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education , Guangzhou , China
| | - Mingli Zhong
- a School of Chemistry and Environment, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education , Guangzhou , China
| | - Zhaoyang Wang
- a School of Chemistry and Environment, South China Normal University, Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education , Guangzhou , China
| |
Collapse
|
27
|
An efficient and facile synthesis of 3-amino-5-chromenyl-butenolides from 3-formyl chromone, dialkyl acetylenedicarboxylate, and primary amines. Mol Divers 2013; 17:55-61. [PMID: 23341007 DOI: 10.1007/s11030-013-9423-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Accepted: 01/07/2013] [Indexed: 10/27/2022]
Abstract
A three-component reaction of 3-formyl chromones, dialkyl acetylenedicarboxylate, and isocyanides in the presence of POCl(3) was used as a highly efficient and practical approach for the synthesis of 3-amino-5-chromenyl-butenolides. High yields and high bond forming efficiency, and simple operations are the advantages of this method. Graphical abstract.
Collapse
|
28
|
Gule NP, Bshena O, de Kwaadsteniet M, Cloete TE, Klumperman B. Immobilized Furanone Derivatives as Inhibitors for Adhesion of Bacteria on Modified Poly(styrene-co-maleic anhydride). Biomacromolecules 2012; 13:3138-50. [DOI: 10.1021/bm300932u] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Nonjabulo P. Gule
- Division of Polymer Science, University of Stellenbosch, Stellenbosch, South Africa
| | - Osama Bshena
- Division of Polymer Science, University of Stellenbosch, Stellenbosch, South Africa
| | | | - Thomas E. Cloete
- Department of Microbiology, University of Stellenbosch, Stellenbosch, South Africa
| | - Bert Klumperman
- Division of Polymer Science, University of Stellenbosch, Stellenbosch, South Africa
| |
Collapse
|
29
|
A novel furanone-modified antibacterial dental glass ionomer cement. Acta Biomater 2012; 8:3153-60. [PMID: 22554887 DOI: 10.1016/j.actbio.2012.04.038] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2012] [Revised: 04/22/2012] [Accepted: 04/25/2012] [Indexed: 11/22/2022]
Abstract
A novel furanone derivative and a polyacid constructed from it were synthesized, characterized and formulated into experimental high strength cements. The compressive strength (CS) and Streptococcus mutans viability were used to evaluate the mechanical strength and antibacterial activity of the cements. The effect of human saliva and aging were investigated. The antibacterial activity against Lactobacillus sp. and cytotoxicity to human pulp cells were also evaluated. The results show that all the formulated furanone-containing cements showed antibacterial activity, with an initial reduction in CS. The effect of the furanone derivative loading was significant. Increasing loading enhanced the antibacterial activity but reduced the initial CS of the formed cements. The derivative showed antibacterial activity against both S. mutans and Lactobacillus sp. Human saliva did not affect the antibacterial activity of the cement. The cytotoxicity study with human dental pulp cells shows that the furanone-modified cement was biocompatible. A 30 day aging study indicated that the cements may have long-lasting antibacterial activity. Within the limitations of this study it appears that the experimental cement could be a clinically attractive dental restorative due to its high mechanical strength and antibacterial function.
Collapse
|
30
|
POM theoretical calculations and experimental verification of the antibacterial potential of 5-hydroxy-4-(substituted-amino)-2(5H)-furanones. RESEARCH ON CHEMICAL INTERMEDIATES 2012. [DOI: 10.1007/s11164-012-0729-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
|
31
|
Weng Y, Howard L, Guo X, Chong VJ, Gregory RL, Xie D. A novel antibacterial resin composite for improved dental restoratives. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2012; 23:1553-1561. [PMID: 22466818 DOI: 10.1007/s10856-012-4629-z] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Accepted: 03/19/2012] [Indexed: 05/31/2023]
Abstract
A novel furanone-containing antibacterial resin composite has been prepared and evaluated. compressive strength (CS) and Streptococcus mutans viability were used to evaluate the mechanical strength and antibacterial activity of the composites. The modified resin composites showed a significant antibacterial activity without substantially decreasing the mechanical strengths. With 5-30 % addition of the furanone derivative, the composite kept its original CS unchanged but showed a significant antibacterial activity with a 16-68 % reduction in the S. mutans viability. Further, the antibacterial function of the new composite was not affected by human saliva. The aging study indicates that the composite may have a long-lasting antibacterial function. Within the limitations of this study, it appears that the experimental antibacterial resin composite may potentially be developed into a clinically attractive dental restorative due to its high mechanical strength and antibacterial function.
Collapse
Affiliation(s)
- Yiming Weng
- Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University at Indianapolis, Indianapolis, IN 46202, USA
| | | | | | | | | | | |
Collapse
|
32
|
Kandile NG, Zaky HT, Saleh YG, Ahmed NA. Synthesis of a new class of antimicrobial agents incorporating the indolin-2-one moiety. J Enzyme Inhib Med Chem 2012; 28:853-62. [PMID: 22651801 DOI: 10.3109/14756366.2012.689298] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
New furanone derivatives incorporating the indolin-2-one moiety 3 were prepared via the Perkin reaction of isatins 1 with aroylpropionic acids 2 under conventional conditions or microwave irradiation. A series of functionally heterocyclic derivatives (e.g., pyridazines, pyrroles, and sulfonamides) incorporating the indolin-2-one moiety was achieved via reaction of 3 with different reagents under microwave irradiation conditions. The newly synthesized compounds were characterized on the basis of FTIR, (1)H, (13)C NMR and mass spectral studies. Some of the new synthesized compounds were screened for antibacterial activity against Gram-positive bacteria (Staphylococcus aureus and Bacillus cereus), Gram-negative bacteria (Escherichia coli and Shigilla flexneri) and antifungal activity against Aspergillus flavus and Candida albicans. Compound 8 j was equipotent to chloramphenicol in inhibiting the growth of E. coli minimum inhibitory concentration (MIC 2.5 μg/mL). Compound 8j may possibly be used as a lead compound for developing a new antibacterial agents. The antibacterial activity is expressed as the corresponding MIC (μg/mL) values.
Collapse
Affiliation(s)
- Nadia G Kandile
- Department of Chemistry, Faculty of Women, Ain Shams University, Cairo, Egypt.
| | | | | | | |
Collapse
|
33
|
Tan YH, Li JX, Xue FL, Qi J, Wang ZY. Concise synthesis of chiral 2(5H)-furanone derivatives possessing 1,2,3-triazole moiety via one-pot approach. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.01.092] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
34
|
Synthesis of N-[5-alkoxy-2(5H)-furanonyl] amino acid propargyl esters. RESEARCH ON CHEMICAL INTERMEDIATES 2011. [DOI: 10.1007/s11164-011-0429-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
|
35
|
Liu CM, Xue FL, Fu JH, Wang ZY. (E)-Methyl 2-chloro-4-dicyclo-hexyl-amino-4-oxobut-2-enoate. Acta Crystallogr Sect E Struct Rep Online 2011; 67:o2051. [PMID: 22091077 PMCID: PMC3213498 DOI: 10.1107/s1600536811027760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2011] [Accepted: 07/11/2011] [Indexed: 11/10/2022]
Abstract
In the title compound, C(17)H(26)ClNO(3), both cyclo-hexyl rings have chair conformations. In the crystal, mol-ecules are linked by weak inter-molecular C-H⋯O hydrogen bonds.
Collapse
Affiliation(s)
- Cai-Mei Liu
- School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China
| | | | | | | |
Collapse
|
36
|
4-Alkoxy-3-arylfuran-2(5H)-ones as inhibitors of tyrosyl-tRNA synthetase: Synthesis, molecular docking and antibacterial evaluation. Bioorg Med Chem 2011; 19:3884-91. [PMID: 21669535 DOI: 10.1016/j.bmc.2011.05.042] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 05/22/2011] [Accepted: 05/23/2011] [Indexed: 11/20/2022]
|
37
|
Wei XP, Fu JH, Tan YH, Wang ZY. 3-Bromo-5-meth-oxy-4-(4-methyl-piperidin-1-yl)furan-2(5H)-one. Acta Crystallogr Sect E Struct Rep Online 2011; 67:o862. [PMID: 21754143 PMCID: PMC3099783 DOI: 10.1107/s1600536811008804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2011] [Accepted: 03/08/2011] [Indexed: 05/26/2023]
Abstract
There are two molecules in the asymmetric unit of title compound, C(11)H(16)BrNO(3), which was obtained via the tandem Michael addition-elimination reaction of 3,4-dibromo-5-meth-oxy-furan-2(5H)-one and 4-methyl-piperidine in the presence of potassium fluoride. The furan-one rings are approximately planar [maximum atomic deviations of 0.026 (2) and 0.015 (2) Å, respectively]. The packing is stabilized by weak inter-molecular C-H⋯O and C-H⋯Br inter-actions.
Collapse
Affiliation(s)
- Xin-Ping Wei
- School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China
| | | | | | | |
Collapse
|
38
|
Li JX, Liang HR, Wang ZY, Fu JH. 3,4-Dihalo-2(5H)-furanones: a novel oxidant for the Glaser coupling reaction. MONATSHEFTE FUR CHEMIE 2011. [DOI: 10.1007/s00706-011-0479-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
39
|
Simirskaya NI, Ignat’ev NV, Schulte M, Zlotin SG. Unprecedented acceleration of the domino reaction between methyl 4-hydroxyalk-3-ynoates and amines in ionic liquids. MENDELEEV COMMUNICATIONS 2011. [DOI: 10.1016/j.mencom.2011.03.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
40
|
Xiao ZP, He XB, Peng ZY, Xiong TJ, Peng J, Chen LH, Zhu HL. Synthesis, structure, molecular docking, and structure–activity relationship analysis of enamines: 3-Aryl-4-alkylaminofuran-2(5H)-ones as potential antibacterials. Bioorg Med Chem 2011; 19:1571-9. [PMID: 21330140 DOI: 10.1016/j.bmc.2011.01.051] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Revised: 01/24/2011] [Accepted: 01/25/2011] [Indexed: 10/18/2022]
|
41
|
Wang XM, Fu JH, Cai SL, Wang ZY. (5S)-3-Chloro-5-[(1R,2S,5R)-2-isopropyl-5-methyl-cyclo-hex-yloxy]-4-(4-methyl-piperidin-1-yl)furan-2(5H)-one. Acta Crystallogr Sect E Struct Rep Online 2011; 67:o656. [PMID: 21522408 PMCID: PMC3051989 DOI: 10.1107/s1600536811005216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Accepted: 02/11/2011] [Indexed: 11/10/2022]
Abstract
The title compound, C20H32ClNO3, was obtained via a tandem asymmetric Michael addition–elimination reaction of (5S)-3,4-dichloro-5-(l-menthyloxy)furan-2(5H)-one and 4-methylpiperidine in the presence of potassium fluoride. The furanone ring is approximately planar [maximum atomic deviation = 0.022 (2) Å] while the cyclohexane ring adopts a chair conformation. Weak intermolecular C—H⋯O hydrogen bonding is present in the crystal structure.
Collapse
Affiliation(s)
- Xiao-Mei Wang
- School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China
| | | | | | | |
Collapse
|
42
|
Cheikh N, Bar N, Choukchou-Braham N, Mostefa-Kara B, Lohier JF, Sopkova J, Villemin D. Efficient synthesis of new butenolides by subsequent reactions: application for the synthesis of original iminolactones, bis-iminolactones and bis-lactones. Tetrahedron 2011. [DOI: 10.1016/j.tet.2010.12.062] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
|
43
|
Gondela E, Walczak KZ. Convenient synthesis of 3,4-dichloro-5-hydroxy-2(5H)-furanone glycoconjugates. Molecules 2011; 16:1011-20. [PMID: 21350390 PMCID: PMC6259613 DOI: 10.3390/molecules16021011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2010] [Revised: 01/08/2011] [Accepted: 01/21/2011] [Indexed: 11/21/2022] Open
Abstract
3,4-Dichloro-5-hydroxy-2(5H)-furanone treated with methyl chloroformate in the presence of diisopropylethylamine (Hünig’s base) gave the corresponding carbonate. The labile methoxycarbonyloxy group smoothly undergoes substitution by amino alcohols. The obtained 5-(ω-hydroxyalkylamino) mucochloric acid derivatives reacted with peracetylated glucals using triphenylphosphine hydrobromide as a catalyst to give the title muchloric acid glycoconjugates.
Collapse
Affiliation(s)
| | - Krzysztof Z. Walczak
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +48-32-237-1792; Fax: +48-32-237-2094
| |
Collapse
|
44
|
Fu JH, Wang ZY, Xue FL, Huo JP. (5S)-3-Chloro-4-(2,5-dihydro-1H-pyrrol-1-yl)-5-[(1R,2S,5R)-2-isopropyl-5-methyl-cyclo-hex-yloxy]furan-2(5H)-one. Acta Crystallogr Sect E Struct Rep Online 2010; 67:o73. [PMID: 21522785 PMCID: PMC3050327 DOI: 10.1107/s1600536810051226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2010] [Accepted: 12/06/2010] [Indexed: 05/30/2023]
Abstract
The title compound, C(18)H(26)ClNO(3), was obtained via a tandem asymmetric Michael addition-elimination reaction of 3,4-dichloro-5-(S)-(l-menth-yloxy)furan-2(5H)-one and 2,5-di-hydro-1H-pyrrole in the presence of potassium fluoride. In the mol-ecule, the nearly planar dihydro-pyrrole ring [maximum atomic deviation = 0.019 (3) Å] is oriented at a dihedral angle of 10.73 (8)° to the the nearly planar furan-one ring [maximum atomic deviation = 0.011 (2) Å]; the cyclo-hexane ring adopts a chair conformation. In the crystal, mol-ecules are linked via weak inter-molecular C-H⋯O hydrogen bonds, forming supra-molecular chains running along the b axis.
Collapse
Affiliation(s)
- Jian-Hua Fu
- School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| | - Zhao-Yang Wang
- School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| | - Fu-Ling Xue
- School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| | - Jing-Pei Huo
- School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| |
Collapse
|
45
|
Cheng MS, Ma DD, Sha Y, Li F, Ren J. A New Synthesis of Novel Tricyclic 2(5H)-Furanone Heterocycles from 3,4,5-Trichloro-2(5H)-furanone. HETEROCYCLES 2010. [DOI: 10.3987/com-10-11923] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
46
|
Carteau D, Soum-Soutéra E, Faÿ F, Dufau C, Cérantola S, Vallée-Réhel K. Monohalogenated maleimides as potential agents for the inhibition of Pseudomonas aeruginosa biofilm. BIOFOULING 2010; 26:379-385. [PMID: 20162472 DOI: 10.1080/08927011003653441] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
New monohalogenated maleimide derivatives (with bromine, chlorine or iodine) were synthesized to test the effect of halogen atoms in inhibiting the formation of Pseudomonas aeruginosa biofilm. The evaluation of their biological activities clearly defines a structure-activity relationship. In this study, the bactericidal action of the three compounds was observed at the concentration range 0.3-5.0 mM on Luria-Bertani agar plates. The halogen atom of these molecules was critical in modulating the antibacterial activity, with a slightly higher effectiveness for chlorine. Confocal laser scanning microscopy was used to examine P. aeruginosa biofilms cultivated in flow cells. At concentration as low as 40 microM, the bromine and iodine compounds displayed a total inhibition towards the formation of bacterial biofilm. At this concentration, the bacterial attachment to glass surfaces was strongly affected by the presence of bromine and iodine whereas the chlorine derivative behaved as a bactericidal compound. A bioluminescent reporter strain was then used to detect the effect of the chemically synthesized maleimides on quorum sensing (QS) in P. aeruginosa. At the concentration range 10-100 microM, bioluminescence assays reveal that halogenated maleimides were able to interfere with the QS of the bacterium. Although the relationship between the weak inhibition of cell-to-cell communication (15-55% of the signal) and the high inhibition of biofilm formation has not been elucidated clearly, the results demonstrate that bromo- and iodo-N-substituted maleimides bromine and iodine may be used as new potent inhibitors that control bacterial biofilms.
Collapse
Affiliation(s)
- David Carteau
- Laboratoire de Biotechnologie et Chimie Marines, EA 3884, Université de Bretagne Sud, Lorient, France
| | | | | | | | | | | |
Collapse
|
47
|
Alam MM, Husain A, Hasan SM, Khanna S, Shaquiquzzaman M. 3-Arylidene-5-(4-isobutylphenyl)-2(3H)-furanones: a new series of anti-inflammatory and analgesic compounds having antimicrobial activity. J Enzyme Inhib Med Chem 2009; 25:323-30. [DOI: 10.3109/14756360903179435] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Mumtaz Mohammad Alam
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
| | - Asif Husain
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
| | - Syed M. Hasan
- Pharmacy Department, College of Health Sciences, Sakaka, Saudi Arabia
| | - Suruchi Khanna
- Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
| | - Mohammad Shaquiquzzaman
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
| |
Collapse
|
48
|
Matiadis D, Prousis KC, Igglessi-Markopoulou O. Solid-phase synthesis of optically active substituted 2 aminofuranones using an activated carbonate linker. Molecules 2009; 14:3914-21. [PMID: 19924038 PMCID: PMC6254804 DOI: 10.3390/molecules14103914] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2009] [Revised: 09/29/2009] [Accepted: 09/30/2009] [Indexed: 11/25/2022] Open
Abstract
An efficient three-step solid-phase synthesis of diverse 3,5-disubstituted-2-aminofuranones has been developed. alpha-Hydroxy acids loaded on a nitrophenyl carbonate derivative of Wang resin are used as acylating agents for the C-acylation of active methylene compounds and the resulting intermediates provided, through a cyclative cleavage reaction, the desired product.
Collapse
Affiliation(s)
| | | | - Olga Igglessi-Markopoulou
- Laboratory of Organic Chemistry, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, Athens 15773, Greece
| |
Collapse
|
49
|
Izrael-Zivkovic LT, Gojgic-Cvijovic GĐ, Gopcevic KR, Vrvic MM, Karadzic IM. Enzymatic characterization of 30 kDa lipase from Pseudomonas aeruginosa
ATCC 27853. J Basic Microbiol 2009; 49:452-62. [DOI: 10.1002/jobm.200800229] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
50
|
Benmeddah A, Mekelleche S, Benchouk W, Mostefa-Kara B, Villemin D. Prediction of the reactivity of 2(5H)-furanones as potential dienophiles in Diels–Alder reactions using philicity indexes. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.theochem.2007.06.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|