Applied Organometallic Chemistry最新文献_第10页

Construction of the Ternary Cu2O/UiO-66-NH2@GO Heterostructure Photocatalyst for Efficient Degradation of Organic Pollutants

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-06 DOI: 10.1002/aoc.7970

Kui Lin, Boxiang Cao, Xiaojuan Deng, Qiang Li, Yi Wang

{"title":"Construction of the Ternary Cu2O/UiO-66-NH2@GO Heterostructure Photocatalyst for Efficient Degradation of Organic Pollutants","authors":"Kui Lin, Boxiang Cao, Xiaojuan Deng, Qiang Li, Yi Wang","doi":"10.1002/aoc.7970","DOIUrl":"https://doi.org/10.1002/aoc.7970","url":null,"abstract":"<div>\u0000 \u0000 Photocatalytic degradation of pollutants under visible light is a propitious approach to address the issue of environmental pollution. The photocatalytic degradation by heterogeneous Cu2O-based photocatalysts has been widely concerned. Herein, a ternary Cu2O/UiO-66-NH2@GO nanocomposite was successfully prepared by a two-step hydrothermal technique for the photodegradation of organic pollutants in water. The successful fabrication of a ternary heterostructure composed of Cu2O, UiO-66-NH2, and GO was confirmed by SEM, TEM, XRD, XPS, Raman, and FTIR characterization. The ternary heterostructure photocatalyst effectively improved the photoresponse and porous characteristics of Cu2O. Under visible light, 98.6% of 4-nitrophenol (4-NP) and 99.2% of rhodamine B (RhB) were degraded by Cu2O/UiO-66-NH2@GO photocatalyst with 3 and 15 min, respectively. The Kapp values of 4-NP and RhB photocatalytic degradation were calculated as 1.450 and 0.428 min−1, respectively. The stability tests showed that the photocatalyst was reasonably excellent after four cycles. The enhanced efficiency benefited from the strengthened visible light harvesting, reduced recombination of photogenerated electron–hole pairs, and enhanced migration efficiency of charge carriers. The effects of scavengers confirmed that hole trapping species played a crucial role during the photodegradation process. The proposed study provides inspiration for designing a simple multiheterostructure visible light–driven photocatalyst with promising environmental remediation applications.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"39 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143112703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Hydrochlorination of Acetylene Catalyzed by Copper-Phosphorous Complex

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-05 DOI: 10.1002/aoc.7963

Dan Zhang, Ji Qi, Xueying Wang, Yanzhao Dong, Yongsheng Xu, Dongyang Xie, Jinli Zhang, Haiyang Zhang

引用次数: 0

Evaluation of Biological Activity of a Lepidium meyenii (Maca) Polysaccharide-Zinc Complex

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-02 DOI: 10.1002/aoc.7955

Xiufeng Yang, Rui Chen

{"title":"Evaluation of Biological Activity of a Lepidium meyenii (Maca) Polysaccharide-Zinc Complex","authors":"Xiufeng Yang, Rui Chen","doi":"10.1002/aoc.7955","DOIUrl":"https://doi.org/10.1002/aoc.7955","url":null,"abstract":"<div>\u0000 \u0000 Zinc, an important metal element in the human body, fulfills multiple biological roles, such as influence on cell division and differentiation. In this paper, a Maca polysaccharide-zinc (MPS-Zn) complex was prepared by water extraction and alcohol precipitation process. A granular MPS-Zn complex with 0.2360 μg/mg Zn was obtained at 60°C and pH = 3.0 for 60 min. The antioxidant activities of this MPS-Zn complex were evaluated by the free radical scavenging activity toward DPPH and ABTS. The rate of ABTS free radical scavenging of 4.0 mg/mL MPS-Zn complex is equal to that of control group (vitamin C). The abilities of this complex against three cancer cell lines including breast cancer MCF-7, colon cancer SW480, and liver cancer SMMC-7721 were used to evaluate its antiproliferative activity by MTS assay. The results demonstrate that this complex has an inhibitory effect on the above cancer cell lines. Especially, the inhibitory effect of it on colon cancer SW480 is more effective than that of cisplatin. The toxicity of this complex on human normal pulmonary epithelial cell BEAS-2B is lower than that of taxol and cisplatin. This complex has the potential use as the zinc-containing nutritional food and/or anticancer drug.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"39 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

New Route to Cycloplatinated N-Heterocyclic Carbene Complexes via Iodide Assisted C-H Activation and Proton Transfer

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-01 DOI: 10.1002/aoc.7968

Wei-Guo Jia, Xiao-Die Xie, Kun Wang, Di Yin, Rui Zhong, Richmond Lee

引用次数: 0

External Base-Free Approach for Copper-Catalyzed N-Arylation of Indoles and Pyrroles in Green Reaction Medium

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-01 DOI: 10.1002/aoc.7966

Mohendra Tahu, Dipika Konwar, Dibyashree Dolakasharia, Utpal Bora

{"title":"External Base-Free Approach for Copper-Catalyzed N-Arylation of Indoles and Pyrroles in Green Reaction Medium","authors":"Mohendra Tahu, Dipika Konwar, Dibyashree Dolakasharia, Utpal Bora","doi":"10.1002/aoc.7966","DOIUrl":"https://doi.org/10.1002/aoc.7966","url":null,"abstract":"<div>\u0000 \u0000 N-Arylated heterocyclic molecules are extensively found as key components in numerous pharmaceutical and agrochemical compounds. Herein, inexpensive 1,10-phenanthroline-assisted copper-catalyzed sustainable greener methodology has been developed for N-arylation of indoles and pyrrole under commercial base and additive-free conditions. Waste biomass–derived water extract of banana peel ash (WEB) has been used as safe reaction medium and base instead of hazardous solvents, and hence, the current green protocol has achieved an environmentally benign profile. Reaction of pyrrole with aryl iodides and electronically diverse indoles with aryl iodides/aryl bromides in the presence of CuI as catalyst, 1,10-phenanthroline as ligand, and WEB as a base and solvent at 100°C has furnished N-arylated product within 12 h. Reaction of indoles with aryl iodides furnished up to 93% yields while aryl bromides resulted in up to 54% yield of the desired product. The utilization of waste biomass derivative for organic transformation reaction is the key step of this protocol, which is in consistence with the goals of green chemistry.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"39 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 of P-Doped g-C3N4/Cu2O Nanocomposite and Investigation of Its Photocatalytic Characteristics in Reduction of Nitroaromatic Compounds to Corresponding Amines Under Visible Light

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-01 DOI: 10.1002/aoc.7941

Maryam Aghah Sadat, Ali Oji Moghanlou, Vahideh Hadigheh Rezvan, Nayer Mohammadian Tarighi, Nastaran Sohrabi-Gilani

{"title":"Synthesis of P-Doped g-C3N4/Cu2O Nanocomposite and Investigation of Its Photocatalytic Characteristics in Reduction of Nitroaromatic Compounds to Corresponding Amines Under Visible Light","authors":"Maryam Aghah Sadat, Ali Oji Moghanlou, Vahideh Hadigheh Rezvan, Nayer Mohammadian Tarighi, Nastaran Sohrabi-Gilani","doi":"10.1002/aoc.7941","DOIUrl":"https://doi.org/10.1002/aoc.7941","url":null,"abstract":"<div>\u0000 \u0000 In this research, as a new heterogenous nanocomposite, P-doped g-C3N4/Cu2O was successfully synthesized by simultaneous reduction of copper salts and the resultant precipitation. The phosphor was doped onto the graphitic carbon nitrite by the calcination method. The various spectroscopic and imaging methods (XPS, X-ray diffraction [XRD], FTIR, Pl, BET, DRS, Map Scanning, EDS (EDAX), TEM, FESEM, and EIS) were devised to characterize the structural properties, morphology, and optical and photocatalytic activities of the synthesized nanocomposite. The synthesized nanocomposite was then used as photocatalysts in the reduction of nitroaromatic compounds to the corresponding amino aromatic species, with the results being highly promising. Indeed, the conversion of nitrobenzene to aniline was 100% accomplished within 30 min. In these reactions, hydrazine compounds were used as hydrogen suppliers. The proposed photocatalyst exhibits great recyclability and reusability so that no significant change in the catalytic activity of the nanocomposite and the resultant conversion efficiency was observed after six rounds of reuse.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"39 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Spectroscopic, Structural Analysis, Molecular Orbital, Molecular Docking, and Antibacterial Activity of the Thiocarbohydrazone Ligand and Its Complexes

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-01 DOI: 10.1002/aoc.7956

Sobhi M. Gomha, Mahmoud G. A. Saleh, Wael A. El-Sayed, Hamad Abdullah H. Alsehaibani, Hayam A. Abd El Salam, Fatma A. El-Samahy, Gehad G. Mohamed, Ehab M. Zayed

{"title":"Spectroscopic, Structural Analysis, Molecular Orbital, Molecular Docking, and Antibacterial Activity of the Thiocarbohydrazone Ligand and Its Complexes","authors":"Sobhi M. Gomha, Mahmoud G. A. Saleh, Wael A. El-Sayed, Hamad Abdullah H. Alsehaibani, Hayam A. Abd El Salam, Fatma A. El-Samahy, Gehad G. Mohamed, Ehab M. Zayed","doi":"10.1002/aoc.7956","DOIUrl":"https://doi.org/10.1002/aoc.7956","url":null,"abstract":"<div>\u0000 \u0000 New thiocarbohydrazone ligand (N′-((E)-3,3-diphenyl-2,3-dihydro-1H-inden-1-ylidene)-2-((Z)-2-oxoindolin-3-ylidene)hydrazine-1-carbothiohydrazide; H2L) and its Co (II), Ni (II), Fe (III), Cu (II), Cd (II), Zn (II), and Mn (II) complexes were prepared in good yields ranging from 60% to 90% and characterized by spectroscopic and analytical tools. Uv–vis, magnetic measurements, molar conductivity, 1H-NMR spectra, elemental analyses, and FT-IR were performed. The structural formula for the examined ligand was improved using the Gaussian09 tool. The morphology of the thiocarbohydrazone ligand and metal complexes was demonstrated using a scanning electron microscope. The prepared thiocarbohydrazone ligand and its complexes were evaluated for their antimicrobial properties against Streptococcus mutans and Staphylococcus aureus as G-positive bacteria; Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa as G-negative bacteria; and some species of fungi as Aspergillus niger and Candida albicans. It was found that thiocarbohydrazone ligand was less biologically active than the targeted complexes as indicated from the obtained inhibition zone diameters. The interaction between the ligand and the amino acids of the proteins of G-positive bacteria (Staphylococcus typhus-3ty7), G-negative bacteria (E. coli-3t88), and fungi (C. albicans-5k04) as receptors was investigated using molecular docking study to correlate the experimental and theoretical observations.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"39 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 and Antibacterial Properties of New Quinazoline Analogs Catalyzed by Chloroacetic Acid–Immobilized Nanocobaltferrite

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-01 DOI: 10.1002/aoc.7969

Fatemeh Navazi, Ahmad Gholami, Masoud Mokhtary, Mohammad Nikpassand, Leila Asadpour

{"title":"Synthesis and Antibacterial Properties of New Quinazoline Analogs Catalyzed by Chloroacetic Acid–Immobilized Nanocobaltferrite","authors":"Fatemeh Navazi, Ahmad Gholami, Masoud Mokhtary, Mohammad Nikpassand, Leila Asadpour","doi":"10.1002/aoc.7969","DOIUrl":"https://doi.org/10.1002/aoc.7969","url":null,"abstract":"<div>\u0000 \u0000 In this research, an effective procedure for the one-pot construction of new quinazoline analogs using chloroacetic acid–immobolized nanocobaltferrite (nano-CoFe2O4@SiO2@CPTES-[(Ph₂PCH₂)₂-CH2CO2H]2+2Cl−) as an efficient novel magnetic nanocatalyst under ultrasound irradiation at 80°C was presented. Chloroacetic acid–immobilized nanocobferrite was characterized by FT-IR, XRD, FE-SEM, TEM, EDX, TGA, VSM, and ICP-mass analyses. Furthermore, the nanocatalyst could be comfortably isolated via magnetic attraction and recycled at least five times without remarkable loss of its catalytic activity. Additionally, in this protocol, quinazoline analogs were screened for their antibacterial activity against Pseudomonas aeruginosa and Staphylococcus aureus. The results showed that quinazolines 4a, 4b, 4c, 4d, and 4g had good antibacterial activity toward Pseudomonas aeruginosa and Staphylococcus aureus.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"39 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 Catalytic Properties of Regioisomeric β-Ketoimine Titanium Complexes for Ethylene Polymerization

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2025-01-01 DOI: 10.1002/aoc.7967

Pingzhou Huang, Wanjun Tang, Mengyuan Xue, Ming Zhou, Wei Tu, Tingcheng Li, Guangyong Xie

{"title":"Synthesis, Characterization, and Catalytic Properties of Regioisomeric β-Ketoimine Titanium Complexes for Ethylene Polymerization","authors":"Pingzhou Huang, Wanjun Tang, Mengyuan Xue, Ming Zhou, Wei Tu, Tingcheng Li, Guangyong Xie","doi":"10.1002/aoc.7967","DOIUrl":"https://doi.org/10.1002/aoc.7967","url":null,"abstract":"<div>\u0000 \u0000 Non-metallocene catalysts have shown great potential for modulating the polymer microstructure by changing the ligand structure, but the effects of ligand structure and electronic property of metal center on their catalytic performance remain underexplored. Herein, we designed and synthesized two pairs of isomeric tridentate β-ketoimine complexes TiLa/TiLb and TiLc/TiLd with methylthioaniline and methylthioethylamine side arms, respectively, which exhibited moderate to extremely high activity over 106 g (mol Ti)−1· h−1·atm−1 for the polymerization of ethylene and the copolymerization of ethylene with α-olefins (1-hexene, 1-octene) and polar comonomer (9-decen-1-ol) in the presence of MAO, with the catalytic activities in the order: TiLd > TiLc > TiLa > TiLb. The regioisomers TiLc and TiLd with methylthioethylamine side arm showed significantly higher activity for ethylene (co)polymerization than that of the isomeric TiLa and TiLb with methylthioaniline side arm, especially for ethylene copolymerization with α-olefins or polar comonomer 9-decen-1-ol, indicating an obvious positive “comonomer effect”. The complex TiLd exhibited the highest ethylene (co)polymerization activity and comonomer insertion rate. Structural optimization using density functional theory (DFT) calculations suggested that the “side arms” and the electronic properties of titanium in β-ketoimine titanium complexes played a key role for ethylene polymerization and copolymerization.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"39 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Innovative Mn2Sb2O7 Nanocatalysts: Effective Generation of 2-Amino-4H-Chromenes Through Strategic Metal Doping

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2024-12-27 DOI: 10.1002/aoc.7914

Sasan Jahangiri, Ahmad Poursattar Marjani, Leila Kafi-Ahmadi

{"title":"Innovative Mn2Sb2O7 Nanocatalysts: Effective Generation of 2-Amino-4H-Chromenes Through Strategic Metal Doping","authors":"Sasan Jahangiri, Ahmad Poursattar Marjani, Leila Kafi-Ahmadi","doi":"10.1002/aoc.7914","DOIUrl":"https://doi.org/10.1002/aoc.7914","url":null,"abstract":"<div>\u0000 \u0000 This study focuses on the synthesis and characterization of Mn₂Sb₂O₇ and MnSb₂O₆ nanocatalysts, which were analyzed using Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), Brunauer-Emmet-Teller (BET) analysis, scanning electron microscopy with energy dispersive X-ray (SEM-EDS), and transmission electron microscopy (TEM). The results confirm that the catalysts have similar chemical compositions and structures, with small amounts of vanadium (V) or iron (Fe) dopants evenly distributed throughout the material. These nanocatalysts demonstrated high efficiency in the one-pot synthesis of 2-amino-4H-chromenes from malononitrile, dimedone, and aryl aldehydes, achieving yields of 66–90% under optimal conditions using 10 mg of catalyst in ethanol at room temperature. Due to their amphoteric nature, the catalysts enable reactions via acid-mediated or base-mediated Hann-Lapworth mechanisms. Under optimal conditions, the catalysts exhibited turnover numbers (TON) ranging from 1.8 to 3.6 and turnover frequencies (TOF) between 0.0005 and 0.0009 s⁻¹. Moreover, the catalysts can be recovered and reused without losing activity, making them valuable for sustainable chemical synthesis applications.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"39 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143119839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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