Applied Organometallic Chemistry最新文献

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Kenaf Biochar as an Eco-Friendly Adsorbent for Removal of Cu(II) and Pb(II): Optimal Temperature, Adsorption Models, and Efficiency Evaluation Kenaf 生物炭作为一种去除铜(II)和铅(II)的生态友好型吸附剂:最佳温度、吸附模型和效率评估
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-06 DOI: 10.1002/aoc.7672
Moon-Yeong Choi, Chang-Gu Lee, Young-Man Yoon, Seong-Jik Park
{"title":"Kenaf Biochar as an Eco-Friendly Adsorbent for Removal of Cu(II) and Pb(II): Optimal Temperature, Adsorption Models, and Efficiency Evaluation","authors":"Moon-Yeong Choi,&nbsp;Chang-Gu Lee,&nbsp;Young-Man Yoon,&nbsp;Seong-Jik Park","doi":"10.1002/aoc.7672","DOIUrl":"10.1002/aoc.7672","url":null,"abstract":"<p>This study examined the adsorption capacities of biochars derived from kenaf (KF-BCs) for the removal of heavy metals such as Cu(II) and Pb(II). The thermal decomposition temperature (300–750°C) significantly influenced the morphology and composition of KF-BCs, enhancing their surface area, pore structure, and alkalinity. Among them, kenaf pyrolyzed at 750°C (KF-750) was the most effective in removing Cu(II) and Pb(II), as validated by kinetic, equilibrium, and isotherm model analyses. Adsorption kinetics revealed that equilibrium was attained after 24 h, with chemisorption governing the process rate. Equilibrium adsorption conformed to the Langmuir and Freundlich models for Cu(II) and Pb(II), respectively. KF-750 exhibited midrange adsorption capacities for Cu(II) and Pb(II) (23.47 ± 0.3 mg/g and 50.07 ± 0.9 mg/g, respectively), compared with the literature. The thermodynamic assessment revealed an endothermic process with positive ∆<i>H</i><sup><i>0</i></sup>, indicating that higher temperatures favor metal adsorption. At low pH, adsorption decreased due to electrostatic repulsion, particularly affecting Cu(II). More than 99.8% of Cu(II) and Pb(II) were removed with a 5.00 g/L KF-750 dose. The cation effect order on KF-750 was Ca<sup>2+</sup> &gt; Mg<sup>2+</sup> &gt; Na<sup>+</sup> &gt; K<sup>+</sup>. Overall, KF-750 demonstrates promising potential as an adsorbent for the efficient heavy metal removal from aqueous solutions, presenting a viable option for environmental remediation.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aoc.7672","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Self-Calibration Temperature Sensing and Color Tunable Emission in a Bimetallic Lanthanide Metal–Organic Framework 双金属镧系元素金属有机框架的自校准温度传感和色彩可调发射
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-06 DOI: 10.1002/aoc.7665
Xiuzhen Li, Xiangyue Qi, Xihui Diao, Yaseen Muhammad, Chao Chen, Hao Wang, Chuansong Qi, Wei Li
{"title":"Self-Calibration Temperature Sensing and Color Tunable Emission in a Bimetallic Lanthanide Metal–Organic Framework","authors":"Xiuzhen Li,&nbsp;Xiangyue Qi,&nbsp;Xihui Diao,&nbsp;Yaseen Muhammad,&nbsp;Chao Chen,&nbsp;Hao Wang,&nbsp;Chuansong Qi,&nbsp;Wei Li","doi":"10.1002/aoc.7665","DOIUrl":"10.1002/aoc.7665","url":null,"abstract":"<div>\u0000 \u0000 <p>Temperature in various scientific and industrial applications requires accurate detection and measurement. Herein, a range of novel isostructural lanthanide-based metal–organic frameworks (Ln-MOFs), [Eu<sub>x</sub>Tb<sub>2−x</sub>(3,5-pdc)<sub>3</sub>(phen)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>]<sub>n</sub> (x = 0, <b>Tb-MOF</b>; x = 2, <b>Eu-MOF</b>; x = 0.002, 0.010, 0.020, 0.040, 0.080, <b>Eu</b><sub><b>x</b></sub><b>Tb</b><sub><b>2−x</b></sub><b>-MOF</b>), were solvothermally synthesized using 3,5-pyridinedicarboxylic acid (3,5-H<sub>2</sub>pdc) and 1,10-phenanthroline (phen) as ligands. Based on binuclear second building units, Ln-MOFs exhibited 2D layered structure with <i>sql</i> topology. The luminescent properties of series Ln-MOFs show systematic tuning shifted from green to red by adjusting the ratio of Eu<sup>3+</sup> to Tb<sup>3+</sup>. The temperature sensing experiments showed that <b>Eu</b><sub><b>0.020</b></sub><b>Tb</b><sub><b>1.980</b></sub><b>-MOF</b> exhibited self-calibration temperature response in a range of 293–413 K, achieving maximum relative sensitivity (<i>S</i><sub><i>r</i></sub>) 2.46%·K<sup>−1</sup> at 413 K, outscoring many state-of-the-art temperature sensors reported in literature. This study poses great promise of the newly designed <b>Eu</b><sub><b>0.020</b></sub><b>Tb</b><sub><b>1.980</b></sub><b>-MOF</b> for the ultra-sensitive temperature sensing in diverse and large-scale applications.</p>\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940723","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
Nanosize Controllable Two-Dimensional (Cu–S)n Metal–Organic Framework Hybrid With Reduced Graphene Oxide by In Situ Microwave and Hydrothermal Synthesis for Electrochemical Neurotransmitter Detection 通过原位微波和水热合成技术将纳米级可控二维 (Cu-S)n 金属有机框架与还原氧化石墨烯混合物用于电化学神经递质检测
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-06 DOI: 10.1002/aoc.7669
Xiao-Yuan Lin, Yuan-Hsiang Yu, Si-Yu Li, Kun-Ling Teng, Hsiu-Hui Chen, Yen-Hsiang Liu, Kuang-Lieh Lu
{"title":"Nanosize Controllable Two-Dimensional (Cu–S)n Metal–Organic Framework Hybrid With Reduced Graphene Oxide by In Situ Microwave and Hydrothermal Synthesis for Electrochemical Neurotransmitter Detection","authors":"Xiao-Yuan Lin,&nbsp;Yuan-Hsiang Yu,&nbsp;Si-Yu Li,&nbsp;Kun-Ling Teng,&nbsp;Hsiu-Hui Chen,&nbsp;Yen-Hsiang Liu,&nbsp;Kuang-Lieh Lu","doi":"10.1002/aoc.7669","DOIUrl":"10.1002/aoc.7669","url":null,"abstract":"<div>\u0000 \u0000 <p>We present a groundbreaking technique for controllably synthesizing nanosized semiconductive two-dimensional (2D) (Cu–S)<sub>n</sub> metal–organic framework (MOF)/graphene nanocomposites for electrochemical sensing of neurotransmitter 2-phenethylamine (PEA). The (Cu–S)<sub>n</sub> MOF size is controlled by graphene oxide proportions, enhancing electrocatalytic activity. The modified electrode exhibits a surface area increase from 0.0639 to 0.1906 cm<sup>2</sup> and impressive limit of detection (0.0156 and 0.004 μM) within linear ranges of 15–200 μM and 1–10 μM, offering exceptional selectivity, reproducibility, and repeatability for biosensing.</p>\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940689","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
Five- or six-membered aluminum metallocyclic complexes containing N, N bidentate oxazolinyl-indolate chelate ring: Synthesis, structural, and catalytic studies 含有 N,N 双齿噁唑啉基吲哚螯合环的五元或六元铝金属环配合物:合成、结构和催化研究
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-05 DOI: 10.1002/aoc.7655
Hao-Yu Chung, Cian-Fu Li, Ming-Tsz Chen, Chi-Tien Chen
{"title":"Five- or six-membered aluminum metallocyclic complexes containing N, N bidentate oxazolinyl-indolate chelate ring: Synthesis, structural, and catalytic studies","authors":"Hao-Yu Chung,&nbsp;Cian-Fu Li,&nbsp;Ming-Tsz Chen,&nbsp;Chi-Tien Chen","doi":"10.1002/aoc.7655","DOIUrl":"10.1002/aoc.7655","url":null,"abstract":"<p>Treatment of two classes of oxazolinyl-indolate ligand precursors with an equivalent trimethylaluminum reagent afforded four corresponding aluminum dimethyl complexes. Intramolecular functional groups were employed to switch coordination behaviors, resulting in the formation of two classes of five- or six-membered aluminum metallocyclic complexes. The screening of the prepared aluminum complexes, mediated by 9-anthracenemethanol as the initiating reagent in the ring-opening polymerization of ε-caprolactone, showed significant activities at room temperature. The aluminum compound ligated by 2-(1<i>H</i>-indol-2-yl)-4,4-dimethyl-4,5-dihydrooxazole possessed a suitable chelated ring size, and its intrinsic electronic properties maintained higher activity.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940724","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
Formation of C–C and C–N bonds through primary alcohol oxidation catalyzed by ruthenium(II) POCOP pincer complexes 在钌(II) POCOP 钳子配合物催化下通过伯醇氧化形成 C-C 和 C-N 键
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-05 DOI: 10.1002/aoc.7648
Manuel A. Roque-Ramires, Andrés C. Restrepo-Acevedo, Fernando Cuenú-Cabezas, Ronan Le Lagadec
{"title":"Formation of C–C and C–N bonds through primary alcohol oxidation catalyzed by ruthenium(II) POCOP pincer complexes","authors":"Manuel A. Roque-Ramires,&nbsp;Andrés C. Restrepo-Acevedo,&nbsp;Fernando Cuenú-Cabezas,&nbsp;Ronan Le Lagadec","doi":"10.1002/aoc.7648","DOIUrl":"10.1002/aoc.7648","url":null,"abstract":"<p>In this study, we present the successful application of new and known stable 16-electron ruthenium(II) pincer complexes POCOP, based on the naphthoresorcinate backbone, [Ru(X)(POCOP)(CO)] (X = H, Cl, Br, I, OCOCF<sub>3</sub>), in the catalytic alkylation of ketones and the coupling between amines and primary alcohols under mild conditions. These protocols demonstrated tolerance to a wide range of alcohols, ketones, and anilines, with reactions proceeding in high conversions and selectivity towards the hydrogenated ketones and the imines. The use of an excess of alcohol as the proton source facilitated the formation of the hydrogenated products. These results mark a significant advancement in the development of catalytic reactions with ruthenium POCOP pincer derivatives.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aoc.7648","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elucidation of mode of anticancerous activity of metal guanidinobenzimidazoles: A computational and experimental screening 阐明金属胍基苯并咪唑的抗癌活性模式:计算和实验筛选
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-05 DOI: 10.1002/aoc.7654
Erum Jabeen, Muhammad Saad Khan, Zarmeena Qazi, Kalsoom Ghani, Hafiz Muhammad Dawood, Samar Yousaf, Rabia Fatima, Azmat Ali Khan, Roha Razzaq, Muhammad Waqas
{"title":"Elucidation of mode of anticancerous activity of metal guanidinobenzimidazoles: A computational and experimental screening","authors":"Erum Jabeen,&nbsp;Muhammad Saad Khan,&nbsp;Zarmeena Qazi,&nbsp;Kalsoom Ghani,&nbsp;Hafiz Muhammad Dawood,&nbsp;Samar Yousaf,&nbsp;Rabia Fatima,&nbsp;Azmat Ali Khan,&nbsp;Roha Razzaq,&nbsp;Muhammad Waqas","doi":"10.1002/aoc.7654","DOIUrl":"10.1002/aoc.7654","url":null,"abstract":"<p>DNA-binding agents often exhibits dual behavior of simultaneous binding with protein associated with cancerous cell development pathways. This simultaneous protein binding if contributed to malfunctioning of pro-apoptotic proteins will reduce anticancerous potential of drugs. The elucidation of binding target for anticancerous agent can give an insight into the cancer cell apoptotic pathway. Therefore, anticancerous Zn(II) and Ni(II) complexes of 2-guanidinobenzimidazole (2GBz) were subjected to DNA-binding mode assay along with protein-binding interference assay. The stoichiometry Zn-2GBz and Ni-2GBz were determined through density functional theory (DFT) and UV–Vis spectroscopy, followed by structural verification by X-ray crystallography. The 2GBz and Ni-2GBz were found to bind with grooves of DNA while groove binding of Zn-2GBz induced unwinding of DNA through interactive pi-stacking. Binding constant revealed the M-2GBz to be a strong binder of DNA molecule with the effect of enhanced cell killing potential of M-2GBz against MCF-7 cell lines. Protein-binding assay revealed that despite of significant interaction of M-2GBz with chick serum albumin, DNA binding was not altered by simultaneous protein binding. The most potent Zn-2GBz was found to be sphingosine 1 kinase 2 (SPhK2) which can be a cause of enhanced cancer cell apoptosis with lesser normal cell apoptosis than standard fluorouracil in MCF-7 cell lines. Co-administered Zn-2GBz increased cancer cell sensitivity towards fluorouracil as potent anticancerous agent.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940692","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
Modified nanomagnetite silica core shell with new Cu (II) N,N- chelating complex as an efficient and reusable catalyst in the C-N bond formation 使用新型 Cu (II) N,N- 螯合络合物的改性纳米磁铁矿二氧化硅芯壳是 C-N 键形成过程中一种高效且可重复使用的催化剂
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-05 DOI: 10.1002/aoc.7630
Setareh Rahmatzadeh, Ali Reza Sardarian, Danial Rafipour
{"title":"Modified nanomagnetite silica core shell with new Cu (II) N,N- chelating complex as an efficient and reusable catalyst in the C-N bond formation","authors":"Setareh Rahmatzadeh,&nbsp;Ali Reza Sardarian,&nbsp;Danial Rafipour","doi":"10.1002/aoc.7630","DOIUrl":"10.1002/aoc.7630","url":null,"abstract":"<p>In this article, initially, the TCTCl (DiPrAEA)<sub>2</sub> ligand was synthesized and characterized by Fourier transform infrared (FT-IR), X-ray crystallography, <sup>1</sup>H- and <sup>13</sup>C-NMR spectroscopy, and elemental analysis. The crystallographic structure data for the ligand has been deposited at the Cambridge Crystallographic Data Centre (CCDC No. 2282732). Then, using of this novel multidentate ligand, a novel and stable copper (II) nanocatalyst complex was synthesized by anchoring copper (II) acetate onto the core-shell surface (Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>) via the novel multidentate ligand TCTCl (DiPrAEA)<sub>2</sub>. The successful synthesis of the Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>-NH-TCT (DiPrAEA)<sub>2</sub>-Cu (II) nanocatalyst was confirmed by employing physicochemical techniques such as FT-IR, X-ray diffraction, ultraviolet-visible, thermogravimetric analysis, X-ray photoelectron spectroscopy, Brunauer–Emmett–Teller, energy-dispersive X-ray, dynamic light scattering, inductively coupled plasma, transmission electron microscopy, field emission scanning electron microscopy, and vibrating sample magnetometer. Subsequently, this novel copper (II) nanomagnetic complex was evaluated as an efficient, reusable, and novel catalyst for the formation of C-N bonds <i>via</i> the Ullmann coupling reaction of aryl halides and nitrogen-containing compounds. The influence of this novel TCTCl (DiPrAEA)2 ligand on the reactivity and stability of the nanomagnetic copper complex was visible in the Ullmann reaction, which resulted in rapid reaction times and excellent yields, and seven times reusability.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 9","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940722","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
A comparative study for the efficiency of Pd (II) and Fe (III) complexes as efficient catalysts for synthesis of dihydro-7H-5-thia-hexaaza-s-indacen-6-one derivatives supported with DFT approach 在 DFT 方法支持下对钯(II)和铁(III)配合物作为合成二氢-7H-5-硫杂六aza-s-茚并-6-酮衍生物的高效催化剂的效率进行比较研究
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-04 DOI: 10.1002/aoc.7653
Mahmoud Abd El Aleem Ali Ali El-Remaily, Thomas Nady A. Eskander, Omar Elhady, Dalal Alhashmialameer, Mosa Alsehli, Moumen S. Kamel, Mehran Feizi-Dehnayebi, Ahmed M. Abu-Dief
{"title":"A comparative study for the efficiency of Pd (II) and Fe (III) complexes as efficient catalysts for synthesis of dihydro-7H-5-thia-hexaaza-s-indacen-6-one derivatives supported with DFT approach","authors":"Mahmoud Abd El Aleem Ali Ali El-Remaily,&nbsp;Thomas Nady A. Eskander,&nbsp;Omar Elhady,&nbsp;Dalal Alhashmialameer,&nbsp;Mosa Alsehli,&nbsp;Moumen S. Kamel,&nbsp;Mehran Feizi-Dehnayebi,&nbsp;Ahmed M. Abu-Dief","doi":"10.1002/aoc.7653","DOIUrl":"10.1002/aoc.7653","url":null,"abstract":"<p>Two novel complexes were synthesized by the reaction of benzothiazol-pyrimidin-2-ylidene ligand (BTP) with Pd (II) and Fe (III) ions. A variety of various spectral and analytical methods (infrared, <sup>1</sup>H/NMR, <sup>13</sup>C/NMR, electronic spectra, CHN analyses, mass spectra, thermogravimetric analysis, and magnetic susceptibility) were used to characterize the investigated BTP ligand and its complexes. Correlation of experimental results with density functional theory calculation proves that the geometry of BTP-Fe complex is octahedral, whereas BTP-Pd complex is square planner. The catalytic effectiveness of BTP complexes were tested for three-component condensation process under moderate and environmentally friendly reaction conditions. Moreover, the effects of different Lewis acid, basic, and ionic liquid catalysts, as well as solvent and catalyst dose on the catalytic reaction were investigated. Both catalysts demonstrated strong catalytic capability in the carefully regulated ideal reaction circumstances. Heterogeneous catalyst BTP-Pd exhibited superior catalytic performance compared to homogeneous catalyst BTP-Fe. All products were obtained in high TOF (turnover frequency) numbers in the presence of these catalysts, which indicate the high efficiency of these catalysts in the synthesis of dihydro-7H-5-thia-hexaaza-s-indacen-6-one derivatives. Moreover, the two catalysts' recycling and reusability in reactions were also investigated. Heterogeneous BTP-Pd catalyst could be reused up to seven times with high efficiency, but the homogeneous catalyst (BTP-Fe) could only be recycled up to four times. Furthermore, the mechanism of catalytic reaction was suggested and supported by DFT calculation. The simplicity, safety, stability, use of commercially available catalysts, quick reaction times, and excellent yields make it promising for future industrial use.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940693","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 chelating N-heterocyclic carbene palladium complexes immobilized on magnetic nanoparticles: Synthesis, characterization, and catalytic properties 固定在磁性纳米粒子上的新型螯合 N-杂环碳烯钯配合物:合成、表征和催化特性
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-01 DOI: 10.1002/aoc.7636
Liangru Yang, Yaowen Liu, Xiaoqiong Diao, Xianggui Zeng, Yongmei Xiao, Jinwei Yuan, Pu Mao
{"title":"New chelating N-heterocyclic carbene palladium complexes immobilized on magnetic nanoparticles: Synthesis, characterization, and catalytic properties","authors":"Liangru Yang,&nbsp;Yaowen Liu,&nbsp;Xiaoqiong Diao,&nbsp;Xianggui Zeng,&nbsp;Yongmei Xiao,&nbsp;Jinwei Yuan,&nbsp;Pu Mao","doi":"10.1002/aoc.7636","DOIUrl":"10.1002/aoc.7636","url":null,"abstract":"<p>Two chelating <i>N</i>-heterocyclic carbene (NHC) palladium complexes <b>3a-b</b> containing <i>N</i>-(3-bromopropyl)-<i>N′</i>-thioether difunctionalized imidazol-2-ylidene were synthesized by direct metalation of the precursor imidazolium salts and characterized by NMR and HR-MS. The molecular structure of <b>3a</b> has been further characterized unambiguously by X-ray single crystal analysis. The subsequent substitution reaction with amine-functionalized magnetic nanoparticles (MNPs-NH<sub>2</sub>) afforded two highly active, stable, and recyclable magnetic nanoparticle supported NHC palladium complexes, MNPs-NHC-Pd I-II, which were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), inductively coupled plasma optical emission spectrometry (ICP-OES), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). The MNPs-NHC-Pd complexes exhibited high catalytic activity in the Suzuki–Miyaura cross-coupling reaction of aryl bromides with arylboronic acids, as well as in the reduction of toxic 4-nitrophenol (4-NP) under mild conditions. The recycling experiment of MNPs-NHC-Pd I in the Suzuki–Miyaura cross-coupling reaction between 4-bromoanisole and phenylboronic acid showed that the yield of 4-methoxybiphenyl remained high at 88% within 0.5 h at 60 °C, indicating that the catalytic activity was well maintained for at least 10 cycles.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 9","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141880713","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 BiOBr/graphene oxide photocatalyst assisted by sodium dodecyl sulfate for efficient degradation of organic pollutants 十二烷基硫酸钠辅助合成用于高效降解有机污染物的 BiOBr/氧化石墨烯光催化剂
IF 3.7 2区 化学
Applied Organometallic Chemistry Pub Date : 2024-08-01 DOI: 10.1002/aoc.7662
Jiayan Yang, Yuanyuan Liu, Jing Wu, Tian Lang, Jie Chen, Yao Liu, Qingqing Qiu, Tongxiang Liang, Jinming Zeng
{"title":"Synthesis of BiOBr/graphene oxide photocatalyst assisted by sodium dodecyl sulfate for efficient degradation of organic pollutants","authors":"Jiayan Yang,&nbsp;Yuanyuan Liu,&nbsp;Jing Wu,&nbsp;Tian Lang,&nbsp;Jie Chen,&nbsp;Yao Liu,&nbsp;Qingqing Qiu,&nbsp;Tongxiang Liang,&nbsp;Jinming Zeng","doi":"10.1002/aoc.7662","DOIUrl":"10.1002/aoc.7662","url":null,"abstract":"<p>Surfactant-assisted synthesis of photocatalysts for water treatment has received extensive attention from researchers. In this paper, a novel and efficient BiOBr/graphene oxide (BiOBr/GO) photocatalyst assisted by sodium dodecyl sulfate (SDS) was synthesized by a simple solvothermal method. Compared with use of other surfactants, like polyvinylpyrrolidone (PVP) and cetyltrimethylammonium bromide (CTAB), BiOBr/GO (SDS) shows outstanding photocatalytic degradation activity under optimal conditions: The degradation rate constants of BiOBr/GO (SDS) for oxytetracycline (OTC), tetracycline hydrochloride (TCH), brilliant blue (BB), and Rhodamine B (RhB) are 0.073, 0.057, 0.166, and 0.626 min<sup>−1</sup>, which are 2.8, 1.8, 9, and 1.5 times larger than pure BiOBr, respectively. In addition, after five cycles, BiOBr/GO (SDS) exhibits superior cycling stability. The enhanced photocatalytic performance can benefit from the introduction of SDS and GO. With the assistance of SDS in the preparation process, BiOBr/GO (SDS) nanosheets have good adsorption performance and dispersion effect, which is favorable for raising their specific surface area. Meanwhile, the electron capture effect of GO improves the transfer and separation efficiency of photogenerated carriers. Moreover, the possible degradation pathway for TCH is identified through liquid chromatography–mass spectrometry (LC–MS). This research can become a valuable reference for synthesizing photocatalysts with visible light response to degrading organic pollutants such as antibiotics and dyes.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141880715","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}
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