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Fei Q, Liu C, Luo Y, Chen H, Ma F, Xu S, Wu W. Rational design, synthesis, and antimicrobial evaluation of novel 1,2,4-trizaole-substituted 1,3,4-oxadiazole derivatives with a dual thioether moiety. Mol Divers 2024:10.1007/s11030-024-10848-2. [PMID: 38687400 DOI: 10.1007/s11030-024-10848-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/12/2024] [Indexed: 05/02/2024]
Abstract
In this paper, a series of novel 1,2,4-trizaole-substituted 1,3,4-oxadiazole derivatives with a dual thioether moiety were constructed. The synthetic compounds were characterized by 1H NMR, 13C NMR, HRMS, and single crystal diffraction. The antimicrobial activities of title compounds against fungi (Pyricutaria oryzae Cav., Phomopsis sp., Botryosphaeria dothidea, cucumber Botrytis cinerea, tobacco Botrytis cinerea, blueberry Botrytis cinerea) and bacteria (Xanthomonas oryzae pv. oryzicola, Xoc; Xanthomonas axonopodis pv. citri, Xac) revealed these compounds possessed excellent antibacterial activity through mycelial growth rate method and turbidity method, respectively. Among them, compounds 7a, 7d, 7g, 7k, 7l, and 7n had the antibacterial inhibition rate of 90.68, 97.86, 93.61, 97.70, 97.26, and 92.34%, respectively. The EC50 values of 7a, 7d, 7g, 7k, 7l, and 7n were 58.31, 48.76, 58.50, 40.11, 38.15, and 46.99 μg/mL, separately, superior to that of positive control pesticide thiodiazole copper (104.26 μg/mL). The molecular docking simulation of compound 7l and glutathione s-transferase also confirmed its good activity. The in vivo bioassay toward Xac infected citrus leaves was also performed to evaluate the potential of compounds as efficient antibacterial reagent. Further study of antibacterial mechanism was also carried out, including extracellular polysaccharide production, permeability of bacterial membrane, and scanning electron microscope observations. The excellent antibacterial activities of these compounds provided a strong support for its application for preventing and control plant diseases.
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Affiliation(s)
- Qiang Fei
- Guizhou Engineering Research Center for Characteristic Flavor Perception and Quality Control of Drug-Food Homologous Resources, Guiyang University, Guiyang, 550005, People's Republic of China
- School of Food Science and Engineering, Guiyang University, Guiyang, 550005, People's Republic of China
| | - Chunyi Liu
- Guizhou Engineering Research Center for Characteristic Flavor Perception and Quality Control of Drug-Food Homologous Resources, Guiyang University, Guiyang, 550005, People's Republic of China
- School of Food Science and Engineering, Guiyang University, Guiyang, 550005, People's Republic of China
| | - Yanbi Luo
- Guizhou Engineering Research Center for Characteristic Flavor Perception and Quality Control of Drug-Food Homologous Resources, Guiyang University, Guiyang, 550005, People's Republic of China
- School of Food Science and Engineering, Guiyang University, Guiyang, 550005, People's Republic of China
| | - Haijiang Chen
- Guizhou Engineering Research Center for Characteristic Flavor Perception and Quality Control of Drug-Food Homologous Resources, Guiyang University, Guiyang, 550005, People's Republic of China.
- School of Food Science and Engineering, Guiyang University, Guiyang, 550005, People's Republic of China.
| | - Fengwei Ma
- Guizhou Engineering Research Center for Characteristic Flavor Perception and Quality Control of Drug-Food Homologous Resources, Guiyang University, Guiyang, 550005, People's Republic of China
- School of Food Science and Engineering, Guiyang University, Guiyang, 550005, People's Republic of China
| | - Su Xu
- Guizhou Engineering Research Center for Characteristic Flavor Perception and Quality Control of Drug-Food Homologous Resources, Guiyang University, Guiyang, 550005, People's Republic of China.
- School of Food Science and Engineering, Guiyang University, Guiyang, 550005, People's Republic of China.
| | - Wenneng Wu
- Guizhou Engineering Research Center for Characteristic Flavor Perception and Quality Control of Drug-Food Homologous Resources, Guiyang University, Guiyang, 550005, People's Republic of China.
- School of Food Science and Engineering, Guiyang University, Guiyang, 550005, People's Republic of China.
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Liang P, Li J, Chen W, Li J, Yang Q, Zhang J. Application of Natural Bioresources to Sustainable Agriculture: A C-Glycoside Insecticide Based on N-Acetyl-glucosamine for Regulating Insect Molting of Ostrinia furnacalis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:5496-5506. [PMID: 37013678 DOI: 10.1021/acs.jafc.2c08760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
In order to increase the application of natural bioresources in drug discovery and development, a study on N-acetyl-glucosamine (GlcNAc) derivatives of chitin as green pesticides was necessary. In this study, we designed and synthesized a series of novel C-glycoside naphthalimides using GlcNAc as a starting material. Compound 10l showed high inhibitory activity against OfHex1 (IC50 = 1.77 μM), with a nearly 30-fold increase in activity over our previously reported C-glycoside CAUZL-A (IC50 = 47.47 μM). By observing the morphology of the Ostrinia furnacalis, we found that the synthesized compounds significantly inhibited the molting process. In addition, we further explored the morphological changes of the inhibitor-treated O. furnacalis cuticle using scanning electron microscopy. This is the first study to validate the insecticidal mechanism of OfHex1 inhibitors at the microscale level. Several compounds also exhibited excellent larvicidal activity against Plutella xylostella. Moreover, the toxicity measurements and predictions indicated that the C-glycoside naphthalimides have little effect on the natural enemy Trichogramma ostriniae and rats. Together, our results highlight an approach for the design of green pesticides, taking advantage of natural bioresources to control pests in agriculture.
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Affiliation(s)
- Peibo Liang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P.R. China
| | - Jingmin Li
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P.R. China
| | - Wei Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection and Shenzhen Agricultural Genome Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Jianyang Li
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P.R. China
| | - Qing Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection and Shenzhen Agricultural Genome Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
- Guangdong Laboratory for Lingnan Modern Agriculture, (Shenzhen Branch), Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 440307, P. R. China
| | - Jianjun Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P.R. China
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Ibrahim AG, Elgammal WE, Hashem AH, Mohamed AE, Awad MA, Hassan SM. Development of a chitosan derivative bearing the thiadiazole moiety and evaluation of its antifungal and larvicidal efficacy. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-023-04765-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
AbstractA new chitosan derivative bearing a new thiadiazole compound was developed, and its antifungal and larvicidal activities were investigated. The chitosan derivative (coded here as PTDz-Cs) was synthesized by the reaction between the carboxylic derivative of the thiadiazole moiety and chitosan. Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance (1H/13C-NMR), gas chromatography–mass spectrometry (GC–MS), elemental analysis, X-Ray diffraction (XRD), thermogravimetric analysis (TGA), and X-ray photoelectron spectroscopy (XPS) were used to characterize the developed derivatives. Compared to chitosan, the PTDz-Cs derivative has a less crystalline structure and less thermal stability. The antifungal results revealed that PTDz-Cs exhibited potential activity against Rhizopus microspores, Mucor racemosus, Lichtheimia corymbifera, and Syncephalastrum racemosum where inhibition zones were 17.76, 20.1, 38.2, and 18.3 mm, respectively. The larvicidal efficacy of the PTDz-Cs derivative against A. stephensi larvae was tested, and the results exposed that the LC50 and LC90 values (first instar) were 5.432 and 10.398 ppm, respectively, indicating the high susceptibility of early instar mosquito larvae to PTDz-Cs. These results emphasize that this study provided a new chitosan derivative that could be potentially used in the biomedical fields.
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Tiwari D, Narang R, Sudhakar K, Singh V, Lal S, Devgun M. 1,3,4-oxadiazole derivatives as potential antimicrobial agents. Chem Biol Drug Des 2022; 100:1086-1121. [PMID: 35676800 DOI: 10.1111/cbdd.14100] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 05/12/2022] [Accepted: 06/05/2022] [Indexed: 01/25/2023]
Abstract
Due to the emergence of drug-resistant microbial strains, different research groups are continuously developing novel drug molecules against already exploited and unexploited targets. 1,3,4-Oxadiazole derivatives exhibited noteworthy antimicrobial activities. The presence of 1,3,4-oxadiazole moiety in antimicrobial agents can modify their polarity and flexibility, which significantly improves biological activities due to various bonded and non-bonded interactions viz. hydrogen bond, steric, electrostatic, and hydrophobic with target sites. The present review elaborates the therapeutic targets and mode of interaction of 1,3,4-oxadiazoles as antimicrobial agents. 1,3,4-oxadiazole derivatives target enoyl reductase (InhA), 14α-demethylase in the mycobacterial cell; GlcN-6-P synthase, thymidylate synthase, peptide deformylase, RNA polymerase, dehydrosqualene synthase in bacterial strains; ergosterol biosynthesis pathway, P450-14α demethylase, protein-N-myristoyltransferase in fungal strains; FtsZ protein, interfere with purine and functional protein synthesis in plant bacteria. The present review also summarizes the effect of different moieties and functional groups on the antimicrobial activity of 1,3,4-oxadiazole derivatives.
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Affiliation(s)
- Deeksha Tiwari
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, India
| | - Rakesh Narang
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, India
| | - Kalvatala Sudhakar
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Vikramjeet Singh
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, India
| | - Sukhbir Lal
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, India
| | - Manish Devgun
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, India
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Synthesis, characterization, and biological activities of new conjugates of Guanosine grafted on polyvinyl alcohol, carbohydrate chitosan, and cellulose. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04363-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AbstractGuanosine (GU) is a purine nucleoside that has different biological applications. This study aimed to synthesize, characterize, and enhance the biological activities of GU through its covalently grafting on polyvinyl alcohol (PVA), chitosan (CS), and cellulose (CL). In this regard, the conjugation was constructed by different linkers such as chloroacetyl chloride, 2-bromopropionyl bromide, and epichlorohydrin (EPCH). The resulted novel conjugates were characterized by FT-IR, 1H-NMR, GPC, and TGA techniques. FT-IR spectra revealed the main characteristic groups, O–H, N–H, C=O and C=N of GU moieties. Furthermore, 1H-NMR spectra showed the aromatic C–H, O–H, and N–H protons of the grafted GU moieties. Two decomposition stages of grated polymers with high thermal stability are illustrated by TGA. GU showed no antifungal activity against Aspergillus fumigatus and Candida albicans. However, its conjugates: P-1A, P-1B, P-2A, P-2B, P-3A, and P-3B displayed significant antifungal effect with inhibitory zones in the range 8–11 mm. As compared to GU group, most of GU-polymer conjugates showed significant in vivo antitumor activity against EAC-bearing mice via the reduction in total tumor volume. In summary, these conjugates are biologically active macromolecules and may act as candidate carrier systems for other applications such as drug delivery.
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Yang R, Han M, Fan J, Cheng W, Ma N, Yan X, Guo Y. Development of Novel (+)-Nootkatone Thioethers Containing 1,3,4-Oxadiazole/Thiadiazole Moieties as Insecticide Candidates against Three Species of Insect Pests. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:15544-15553. [PMID: 34919380 DOI: 10.1021/acs.jafc.1c05853] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
To improve the insecticidal activity of (+)-nootkatone, a series of 42 (+)-nootkatone thioethers containing 1,3,4-oxadiazole/thiadiazole moieties were prepared to evaluate their insecticidal activities against Mythimna separata Walker, Myzus persicae Sulzer, and Plutella xylostella Linnaeus. Insecticidal evaluation revealed that most of the title derivatives exhibited more potent insecticidal activities than the precursor (+)-nootkatone after the introduction of 1,3,4-oxadiazole/thiadiazole on (+)-nootkatone. Among all of the (+)-nootkatone derivatives, compound 8c (1 mg/mL) exhibited the best growth inhibitory (GI) activity against M. separata with a final corrected mortality rate (CMR) of 71.4%, which was 1.54- and 1.43-fold that of (+)-nootkatone and toosendanin, respectively; 8c also displayed the most potent aphicidal activity against M. persicae with an LD50 value of 0.030 μg/larvae, which was closer to that of the commercial insecticidal etoxazole (0.026 μg/larvae); and 8s showed the best larvicidal activity against P. xylostella with an LC50 value of 0.27 mg/mL, which was 3.37-fold that of toosendanin and slightly higher than that of etoxazole (0.28 mg/mL). Furthermore, the control efficacy of 8s against P. xylostella in the pot experiments under greenhouse conditions was better than that of etoxazole. Structure-activity relationships (SARs) revealed that in most cases, the introduction of 1,3,4-oxadiazole/thiadiazole containing halophenyl groups at the C-13 position of (+)-nootkatone could obtain more active derivatives against M. separata, M. persicae, and P. xylostella than those containing other groups. In addition, toxicity assays indicated that these (+)-nootkatone derivatives had good selectivity to insects over nontarget organisms (normal mammalian NRK-52E cells and C. idella and N. denticulata fries) with relatively low toxicity. Therefore, the above results indicate that these (+)-nootkatone derivatives could be further explored as new lead compounds for the development of potential eco-friendly pesticides.
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Affiliation(s)
- Ruige Yang
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Science Avenue, Zhengzhou, 450001 Henan Province, P. R. China
| | - Meiyue Han
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Science Avenue, Zhengzhou, 450001 Henan Province, P. R. China
| | - Jiangping Fan
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Science Avenue, Zhengzhou, 450001 Henan Province, P. R. China
| | - Wanqing Cheng
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Science Avenue, Zhengzhou, 450001 Henan Province, P. R. China
| | - Nannan Ma
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Science Avenue, Zhengzhou, 450001 Henan Province, P. R. China
| | - Xiaoting Yan
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Science Avenue, Zhengzhou, 450001 Henan Province, P. R. China
| | - Yong Guo
- School of Pharmaceutical Sciences, Zhengzhou University, No. 100, Science Avenue, Zhengzhou, 450001 Henan Province, P. R. China
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Alahmdi MI, Mohareb RM, Abdelaziz Mahmoud MA, Alkhamis K, Abo‐Dya NE, Zidan NS, Khasim S, Alsharif MA. Anti‐proliferative Activities of Thiophenes, Pyrans and PyridinesDerived from 1,3‐Dicarbonyl Compounds. ChemistrySelect 2021. [DOI: 10.1002/slct.202102868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mohammed I. Alahmdi
- Department of Chemistry Faculty of Science University of Tabuk Tabuk 71491 Saudi Arabia
| | | | | | - Kholood Alkhamis
- Department of Chemistry Faculty of Science University of Tabuk Tabuk 71491 Saudi Arabia
| | - Nader Elmaghwry Abo‐Dya
- Department of Pharmaceutical Organic Chemistry Faculty of Pharmacy Zagazig University Zagazig 44519 Egypt
- Department of Pharmaceutical Chemistry Faculty of Pharmacy University of Tabuk Tabuk 71491 Saudi Arabia
| | - Nahla S. Zidan
- Department of Nutrition and Food Science Faculty of Home Economics Tabuk University Saudi Arabia
- Department of Home Economics Faculty of Specific Education Kafr El-Shaikh University Egypt
| | - Syed Khasim
- Department of Physics Faculty of Science University of Tabuk Kingdom of Saudi Arabia
| | - Meshari A. Alsharif
- Chemistry Department Faculty of Applied Science Umm Al-Qura University Makkah Saudi Arabia
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