Journal of Chemical Research最新文献_第3页

New bis-heterocyclic structures: Synthesis, characterization and biological activity 新的双杂环结构：合成、表征和生物活性

IF 1.4 4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231218387

M. Farhan, M. Al-Jumaili, E. A. Bakr

引用次数: 0

Evaluation of the effect of polyesters containing a curcumin ring system on Bemisia tabaci 评估含有姜黄素环系统的聚酯对烟粉虱的影响

IF 1.4 4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231221434

Hayat MR Mehdi, H. A. Abdulhassan, Baqer A. Almayyahi, B. A. Saleh, Natalie L Hewitt, Gamal A. El‐Hiti

{"title":"Evaluation of the effect of polyesters containing a curcumin ring system on Bemisia tabaci","authors":"Hayat MR Mehdi, H. A. Abdulhassan, Baqer A. Almayyahi, B. A. Saleh, Natalie L Hewitt, Gamal A. El‐Hiti","doi":"10.1177/17475198231221434","DOIUrl":"https://doi.org/10.1177/17475198231221434","url":null,"abstract":"The whitefly Bemisia tabaci is a destructive insect pest that infects many plants. Finding solutions to reduce the damage associated with whiteflies and their widespread use is of great interest. Therefore, the current research aims to synthesize four polyesters containing a curcumin ring system and investigate their effects against B. tabaci. The synthesized polyesters killed whitefly eggs and their nymphs. Polyester containing a methoxy group (P3) showed the best performance (80.3%) toward the mortality of insect eggs among all the tested polymers. Polyester containing a 4-hydroxybenzaldehyde moiety (P2) showed the lowest mortality efficiency (50.9%) against whitefly eggs after 72 h of treatment. The effect of polyester concentration on the mortality of insect nymphs varied during the treatment period. The mortality rate of nymphs after P3 treatment was the highest (78.0%), whereas that after P2 treatment was the lowest (46.9%). The polyester type, concentration, and treatment duration significantly affected the insect nymph mortality rate. Polyester containing a methoxy group for 72 h resulted in the highest mortality rate (90.0%) against whitefly nymphs.","PeriodicalId":15323,"journal":{"name":"Journal of Chemical Research","volume":"20 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139302878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of the effect of a nitro group as an anchor group in dye-sensitized solar cells 研究硝基作为染料敏化太阳能电池锚基的影响

IF 1.4 4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231168948

Fatma Aytan Kılıçarslan, I. Erden

{"title":"Investigation of the effect of a nitro group as an anchor group in dye-sensitized solar cells","authors":"Fatma Aytan Kılıçarslan, I. Erden","doi":"10.1177/17475198231168948","DOIUrl":"https://doi.org/10.1177/17475198231168948","url":null,"abstract":"As a result of the increasing in the world population, the development of technology to meet increasing energy needs and to find other energy resources is one of the biggest tests for society. Triphenylamine and its derivatives attract the attention of researchers due to their many applications such as in solar cells, electronics, and medicine. The nitro group, an electron-accepting chromophore, is a good candidate for D–π–A sensitizers for dye-sensitized solar cells. In this study, the power conversion efficiency of an anchor nitro group in dye-sensitized solar cells and the synthesis of new compounds containing a donor triphenylamine unit, functionalized with a nitro group as an anchor group and possessing a π-conjugated structure are investigated. The structures of the compounds are determined by FTIR, UV-Vis spectrometry, NMR, and MS. Considering the photovoltaic performance of the produced dye-sensitized solar cell devices, the anchor group, and its acceptor effect, it is observed that the efficiency increases, in the order, F2 < F1. The highest power conversion efficiency value of 0.45% was obtained with the F1-based dye-sensitized solar cell under amplitude modulation irradiation (100 mW cm−2). From the obtained results, it can be seen that an increase in the number of electron-donor groups located close to the anchor group increases the power conversion efficiency.","PeriodicalId":15323,"journal":{"name":"Journal of Chemical Research","volume":"1 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139303076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A new thiosemicarbazone and its 3d metal complexes: Synthetic, structural, and antioxidant studies 一种新的硫代氨基甲酸及其 3d 金属配合物：合成、结构和抗氧化研究

IF 1.4 4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231216422

Ianina Graur, Tatiana Bespalova, Vasilii Graur, V. Tsapkov, O. Garbuz, E. Melnic, Pavlina Bourosh, A. Gulea

引用次数: 0

Optimization of ciprofloxacin removal by response surface methodology using activated carbon from Burmese grape obtained from Vietnam 用响应面方法优化利用越南缅甸葡萄活性炭去除环丙沙星的效果

IF 1.4 4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231212143

Nguyen Van Phuoc, Hao Le Quoc, Thi Tuu Tran, Lam Van Tan, B. Hoang

{"title":"Optimization of ciprofloxacin removal by response surface methodology using activated carbon from Burmese grape obtained from Vietnam","authors":"Nguyen Van Phuoc, Hao Le Quoc, Thi Tuu Tran, Lam Van Tan, B. Hoang","doi":"10.1177/17475198231212143","DOIUrl":"https://doi.org/10.1177/17475198231212143","url":null,"abstract":"Activated carbon is produced from Burmese grapes using NaOH as the activator under microwave irradiation. Through scanning electron microscopy, Fourier-transform infrared spectroscopy, X-ray diffraction analysis, and Brunauer–Emmett–Teller analysis methods, the activated carbon material is found to have a rough and uneven surface with the formation of pores, an amorphous structure, and possesses hydroxy, C–H, carbonyl, alkene, and ether functional groups. The surface area (478.5 m2 g−1) and pore size (about 3.4 nm) are calculated from the adsorption N2 equation. The adsorption mechanism of activated carbon is evaluated and follows a pseudo-first-order kinetic model (large single adsorption) and the Langmuir isotherm model (physical interaction). The factors affecting ciprofloxacin adsorption using activated carbon derived from Burmese grapes are also evaluated and optimized by the response surface method model based on influencing factors including the contact time, the solution pH, the antibiotic concentration, and the material dosage. The optimal parameters are as follows: pH = 6.26, concentration = 58.9 mg L−1, content = 0.15 g L−1, time = 54 min. Under optimal conditions, the adsorption capacity predicted from the model is 191.33 mg g−1 with an efficiency of 41.35%.","PeriodicalId":15323,"journal":{"name":"Journal of Chemical Research","volume":"139 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139292080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis, characterization, and fluorescence properties of new polyethers derived from curcumin analogs 姜黄素类似物衍生的新型聚醚的合成、表征和荧光特性

IF 1.4 4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231221458

Walaa H Ali, Mohammed A Bahili, B. A. Saleh, Gamal A. El‐Hiti

{"title":"Synthesis, characterization, and fluorescence properties of new polyethers derived from curcumin analogs","authors":"Walaa H Ali, Mohammed A Bahili, B. A. Saleh, Gamal A. El‐Hiti","doi":"10.1177/17475198231221458","DOIUrl":"https://doi.org/10.1177/17475198231221458","url":null,"abstract":"Polyether is a synthetic polymer that has low toxicity and, therefore, it is used in many applications. It can be used as a detergent, emulsifier, drug excipient, pesticide emulsifier, antiseptic, and papermaking additive agent. This study outlines the synthesis, characterization, and fluorescence evaluation of polyethers derived from curcumin analogs. Condensation polymerization of curcumin analogs and dibromoalkanes produces the corresponding polyethers. The Fourier-transform infrared and proton nuclear magnetic resonance spectroscopy confirmed the structures of the newly synthesized polyethers. The thermal stability and solubility of the synthesized polyethers of various solvents were investigated. They showed high stability at high temperatures as thermoplastics. The synthesized polyethers have fluorescent properties in solutions, and the absorption and intensity were dependent on the type of functional groups present in the polymers. The fluorination intensity of polyethers was found to be dependent on the presence of electron-donating groups, the pH of the solution, and the type of solvent used. One of the synthesized polyethers exhibited strong emissive properties at one or two specific wavelengths.","PeriodicalId":15323,"journal":{"name":"Journal of Chemical Research","volume":"43 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139305768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A two-fold interpenetrated Zn(II) organic framework based on mixed ligands: Synthesis, crystal structure, and properties 基于混合配体的双重互穿Zn(II)有机骨架:合成、晶体结构和性质

4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231203972

Er-Nu Liu, Pei-Pei Huang, Jia-Hao Gao, Jia-Xin Wang, Ting-Ting Wu, Bo Liu, Sheng-Rui Zhang, Jiu-Fu Lu

引用次数: 0

Expected and unexpected products from reacting Sanger’s reagent with p-phenylenediamine 桑格试剂与对苯二胺反应的预期和意外产物

IF 1.4 4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231212673

M. Plater, William TA Harrison

引用次数: 0

Dihydroartemisinin and zerumbone esters of ataluren and its analogs as anticancer agents and EGFR inhibitors 作为抗癌剂和表皮生长因子受体（EGFR）抑制剂的二氢青蒿素和泽兰酮酯的阿塔卢酮及其类似物

IF 1.4 4区化学

Journal of Chemical Research Pub Date : 2023-11-01 DOI: 10.1177/17475198231219451

Duc Quan Tran, Ngoc-Hung Truong, Thi Hoang Anh Nguyen, T. T. Trinh, Thi Cham Ba, Thi Thuy Linh Nguyen, Van Tu Ngo, T. I. Cam, Minh Quan Pham, V. Luu

引用次数: 0

Synthesis and cytotoxic activity evaluation of novel dihydroartemisinin and zerumbone conjugates with 2-mercapto-1,3,4-oxadiazoles as potential EGFR inhibitors 新型2-巯基-1,3,4-恶二唑偶联物的合成及细胞毒活性评价

4区化学

Journal of Chemical Research Pub Date : 2023-09-01 DOI: 10.1177/17475198231199428

Duc Quan Tran, Ngoc Hung Truong, Thi Hoang Anh Nguyen, Thi Thuy Trinh, Thi Cham Ba, Thi Thuy Linh Nguyen, Xuan Ha Nguyen, Manh Cuong Nguyen, Van Chinh Luu

{"title":"Synthesis and cytotoxic activity evaluation of novel dihydroartemisinin and zerumbone conjugates with 2-mercapto-1,3,4-oxadiazoles as potential EGFR inhibitors","authors":"Duc Quan Tran, Ngoc Hung Truong, Thi Hoang Anh Nguyen, Thi Thuy Trinh, Thi Cham Ba, Thi Thuy Linh Nguyen, Xuan Ha Nguyen, Manh Cuong Nguyen, Van Chinh Luu","doi":"10.1177/17475198231199428","DOIUrl":"https://doi.org/10.1177/17475198231199428","url":null,"abstract":"Sixteen conjugates of dihydroartemisinin and zerumbone with 2-mercapto-1,3,4-oxadiazoles were synthesized and structurally elucidated by 1D NMR, 2D NMR, and HRMS spectra. The cytotoxic screening results showed that all the conjugates of dihydroartemisinin with 2-mercapto-1,3,4-oxadiazoles (19a-h) exhibited cytotoxic activity against two human cancer cell lines, HepG2 and LU-1, with the IC 50 values ranging from 2.22 to 40.69 µM. Among dihydroartemisinin conjugates, conjugate 19b displayed the strongest activity against both HepG2 and LU-1 cell lines, with the IC 50 values of 3.49 and 2.22 μM, respectively. The zerumbone conjugates (20a-h) expressed their cytotoxic activity stronger than that of 19a-h series, with IC 50 values ranging from 1.54 to 2.00 µM. In addition, all 16 compounds exhibited an impressively inhibitory effect against EGFR tyrosine kinase with binding affinities ranging from −8.61 to −10.2 kcal/mol, higher than that of the erlotinib drug (−7.50 kcal/mol), a co-crystallized inhibitor of EGFR receptor. Both conjugates (19a and 20a) containing the 2-hydroxyphenyl-2mercapto-1,3,4-oxadiazole moiety had the best binding energies (−10.2 and −9.494 kcal/mol, respectively) on the EGFR tyrosine kinase. Furthermore, the potential interactions and binding patterns between the compounds and the relevant amino acid residues revealed the most significant contribution to amplifying their efficacy against this protein, according to docking studies, which identified both hydrogen bonds and hydrophobic contacts at the active site of the EGFR protein.","PeriodicalId":15323,"journal":{"name":"Journal of Chemical Research","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135428797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0