Matilde Fondo, Paula Oreiro-Martínez, Julio Corredoira-Vázquez, Ana M. García-Deibe, Jesús Sanmartín-Matalobos, Daniel Aravena
{"title":"Modulating Magnetic Performance in DyIII Single Ion Magnets With N5O2 Ligands","authors":"Matilde Fondo, Paula Oreiro-Martínez, Julio Corredoira-Vázquez, Ana M. García-Deibe, Jesús Sanmartín-Matalobos, Daniel Aravena","doi":"10.1002/aoc.7684","DOIUrl":"https://doi.org/10.1002/aoc.7684","url":null,"abstract":"<p>[Dy (L<sup>Me</sup>)(H<sub>2</sub>O)]CF<sub>3</sub>SO<sub>3</sub>·0.25H<sub>2</sub>O (<b>1</b>·0.25H<sub>2</sub>O), where H<sub>2</sub>L<sup>Me</sup> is the reported ligand 2,2′-(((pyridine-2,6-diylbis (methylene))bis((pyridin-2-ylmethyl)azanediyl))bis (methylene))bis(4-methylphenol), shows the Dy<sup>III</sup> ion in an <i>N</i><sub><i>5</i></sub><i>O</i><sub><i>3</i></sub> environment, with triangular dodecahedral geometry (D<sub>2d</sub> symmetry). <b>1</b>·0.25H<sub>2</sub>O is a single ion magnet (SIM) with an energy barrier for spin reversal of 510 K, and open hysteresis loops up to 8 K. The magnetostructural comparison of <b>1</b>·0.25H<sub>2</sub>O with some closely related complexes and with other eight-coordinated SIMs with high energy barriers (> 300 K) allows to draw some conclusions to enhance the magnetic performance in these nanomagnets with non-purely axial geometries. <i>Ab initio</i> calculations complement and support the experimental results.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aoc.7684","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142429976","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}
{"title":"A Robust In Vitro Anti-tuberculosis, Antimicrobial, and Anti-inflammatory Activities Based on Azomethine Chelates Incorporating Co(II), Ni (II), Cu(II), and Zn(II) Ions: Synthesis, Characterization, and Investigation of the Aspects of Docking Interaction","authors":"Manju Rani, Jai Devi, Jai Kumar, Dhananjay Sharma","doi":"10.1002/aoc.7664","DOIUrl":"https://doi.org/10.1002/aoc.7664","url":null,"abstract":"<div>\u0000 \u0000 <p>In recent times, there has been a growing exploration of transition metal complexes as potential solutions for significant health challenges, including tuberculosis, microbes infection, and inflammation. Therefore, in our ongoing effort to identify biologically effective agents, Co(II), Ni(II), Cu(II), and Zn(II) metal complexes of H<sub>2</sub>L<sup>1</sup>–H<sub>2</sub>L<sup>2</sup> hydrazone ligands were synthesized. The structural features of synthesized compounds were recognized by employing several techniques such as FT-IR, <sup>1</sup>H NMR, <sup>13</sup>C NMR, powder x-ray diffraction (XRD), UV-Vis, ESR, TG-DTA, mass spectrometry, and molar conductance measurements. The bonding of ligands via O<sub>phenolic</sub>, O<sub>enolic</sub>, and N<sub>azomethine</sub> donor atoms and the attachment of the three water molecules with metal ion to form the octahedral structure of complexes were corroborated by different spectroscopic techniques. The anti-tuberculosis, antimicrobial, and anti-inflammatory activities of the synthesized compounds were assessed using the microplate alamar blue assay, serial dilution, and bovine serum albumin (BSA) methods, respectively, and highlighted the more potency of the complexes than ligands. The synthesized Cu(II) <b>(9</b>) and Zn(II) (<b>10</b>) metal complexes exhibited excellent ability to inhibit the growth of H<sub>37</sub>R<sub>v</sub> strain of <i>Mycobacterium tuberculosis</i> in comparison to standard drug streptomycin. The Cu(II) (<b>6</b> and <b>9</b>) and Zn(II) (<b>10</b>) complexes showed superb ability as antimicrobial agents, whereas Cu(II) (<b>5</b>) and Zn(II) (<b>6</b>) complexes exhibited significant anti-inflammatory ability. The in vitro findings on the antituberculosis activity were reinforced by a significant molecular docking study, which has become a crucial component of computational research utilizing the enzyme Mtb Pks13 thioesterase domain of <i>M. tuberculosis</i>. Additionally, in this research work, the absorption–distribution–metabolism–excretion–toxicity (ADMET) study sparked the compounds' drug-like behavior.</p>\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142429969","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}
Yanira Pérez-Almarcha, Azahara Alonso, María Albert-Soriano, Mario Martos, Isidro M. Pastor
{"title":"Metal–Organic Frameworks Based on Copper and Dicarboxy-Functionalized Imidazole Modified With Halides: Enhancement of Catalysis in Organic Synthesis","authors":"Yanira Pérez-Almarcha, Azahara Alonso, María Albert-Soriano, Mario Martos, Isidro M. Pastor","doi":"10.1002/aoc.7663","DOIUrl":"https://doi.org/10.1002/aoc.7663","url":null,"abstract":"<p>New chloride- and bromide-modified metal–organic frameworks (MOFs) based on copper and 1,3-bis (carboxymethyl)imidazole (<b>bcmim</b>) derivatives have been prepared via post–synthetic modification (PSM) or by a direct route, following a simple, effective, and sustainable protocol. These materials have been characterized, and their catalytic activity has been studied. <b>Cu-bcmim-Cl</b> and <b>Cu-bcmim-Br</b> materials have been shown to be more efficient acidic catalytic systems than nonmodified materials. The catalytic activity has been tested as a Lewis acid catalyst in the methanolysis of styrene oxide and in the synthesis of quinolines and acridines, with the recovery and recyclability of the catalysts being possible. Furthermore, the catalytic activity of the catalysts has been tested in the oxidative coupling of formamides and carboxylic acids.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aoc.7663","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142429970","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}
Lifei Liu, Xiaoqing Yang, Pengfei Li, Luyuan Zhang, Yali Luo, Meng Yan, Yang Deng, Xia An, Jianling Zhang, Xu Wu
{"title":"Meso- and Microporous Metal–Organic Frameworks for Efficient Photo-Oxidation of Benzylamine","authors":"Lifei Liu, Xiaoqing Yang, Pengfei Li, Luyuan Zhang, Yali Luo, Meng Yan, Yang Deng, Xia An, Jianling Zhang, Xu Wu","doi":"10.1002/aoc.7670","DOIUrl":"10.1002/aoc.7670","url":null,"abstract":"<div>\u0000 \u0000 <p>The construction of metal–organic frameworks (MOFs) with desirable structures for high-performance photocatalysis is attractive but remains challenging. Here, a hierarchically meso- and microporous <i>sc</i>Cu-MOF-74 was synthesized in supercritical CO<sub>2</sub> (<i>sc</i>CO<sub>2</sub>)/methanol solution. Compared with the conventional microporous Cu-MOF-74, the meso- and microporous <i>sc</i>Cu-MOF-74 has more exposed and accessible Lewis acid sites derived from the missing-linker defects. The unique structure endows <i>sc</i>Cu-MOF-74 with superior molecular accessibility, enhanced separation, and transfer efficiency of photogenerated charges. High catalytic activity and reusability can be achieved in photo-oxidative coupling of amines, reaching a maximum N-benzylbenzaldimine yield rate of 4.80 mmol g<sup>−1</sup> h<sup>−1</sup> under mild conditions, that is, air atmosphere and room temperature. This study provides a new idea for improving the intrinsic photocatalytic activities of MOFs.</p>\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940685","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}
Mohamed S. Mansour, Abeer T. Ibrahium, Ahmed A. El-Sherif, Walaa H. Mahmoud
{"title":"Organotin (IV) complexes: Synthesis, characterization, DFT, and molecular docking studies unveiling their potential biomedical uses","authors":"Mohamed S. Mansour, Abeer T. Ibrahium, Ahmed A. El-Sherif, Walaa H. Mahmoud","doi":"10.1002/aoc.7656","DOIUrl":"10.1002/aoc.7656","url":null,"abstract":"<p>This study investigates organotin (<b>IV</b>) complexes derived from the recently synthesized quinazoline Schiff base ligand (<b>L</b>). The research involves synthesizing and characterizing these complexes, including elemental analysis, UV–visible, FT-IR, mass spectra, and conductometric measurements. Advanced studies such as density functional theory (DFT) are employed to gain insights into the stable electronic configuration. Specifically, the study explores the proposed geometry, revealing a distorted octahedral structure for the complexes. The findings contribute as critical molecular characteristics of these newly synthesized complexes, paving the way for potential applications in diverse fields, including medicinal chemistry. Through an investigation into the antimicrobial properties, the efficacy of the synthesized compounds was assessed against a diverse range of bacterial and fungal strains. Remarkably, the complexes demonstrated significant antimicrobial activities, showing potential applications in combating various microbial infections. In an extended exploration of their medical utility, the compounds were examined for their antibiotic properties against <i>Helicobacter pylori</i>. The Schiff base and its metal complexes emerged as promising antibiotics with notable efficacy against <i>H. pylori</i>, suggesting their potential in addressing infections associated with this bacterium. Furthermore, the antitumor potential of the synthesized complexes was investigated, focusing on their impact on MCF-7 (<i>Breast carcinoma</i>) cells. The organotin (<b>IV</b>) Schiff base complexes in this research showed remarkable efficacy, evidenced by their notably low IC<sub>50</sub> values (9, 10, 11 μg/mL) in comparison with cisplatin. In addition to their potent antitumor effects, these complexes exhibited reduced cytotoxicity toward normal cells (<i>VERO</i> cells) compared with cisplatin. The investigation extends to molecular docking, where this approach aims to elucidate their interactions with specific protein structures, including (<b>2JFZ</b>, <b>1SC7</b>, and <b>6W41</b>). The primary objective is to clarify the potential properties of these compounds, focusing on their antibiotic efficacy, anti-<i>H. pylori</i> activity, antitumor potential, and anti-COVID-19 properties.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940686","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}
{"title":"Mechanism and Selectivities of [Cu]/[M] (M=Pd, Ni) Synergistic Catalyzed Alkene Arylboration: A DFT Investigation","authors":"Qing Liu, Yuanyuan Sun, Mei Qin, Xiaoyan Li","doi":"10.1002/aoc.7677","DOIUrl":"10.1002/aoc.7677","url":null,"abstract":"<div>\u0000 \u0000 <p>The transition metal–catalyzed boronation reactions are considered as one of the most effective methods for the synthesis of alkylboranes in terms of functional group compatibility and reactivity. Herein, the mechanism of synergistic catalysis of alkene arylboration by [Cu]/[M] (M=Pd, Ni) bimetallic catalysts, as well as the regioselectivity and stereoselectivity of the reactions, has been investigated by using DFT calculations. The results show that four processes are involved in the whole reaction: [Cu]-catalyzed borylcuprization of alkene, [Pd] or [Ni]-catalyzed oxidative addition of halogenated aryl groups, transmetalation, and reductive elimination. [Cu]/[Ni] bimetallic catalysts show the same catalytic activity as [Cu]/[Pd] catalysts and are good economic alternatives for the alkene arylboration. The cleavage of B–B bond of B<sub>2</sub>Pin<sub>2</sub> is the rate-determining step. The regioselectivity of the title reaction is determined by the mode of the alkene insertion into the Cu–B bond. The attacking of C atom with the more electron-rich character in alkyne makes for the formation of the main product. The small energy barrier difference between the rotation of the Cu-C σ bond from the <i>syn</i>-<b>9</b> to the <i>anti</i>-<b>9</b> controls the stereoselectivity. Our findings provide a thorough explanation of the experimental results and shed light on the further development of the alkene functionalization.</p>\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940687","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}
Li Jin, Yunjun Shen, Hui Qiu, Yuzhen Zhang, Hedong Bian
{"title":"Synthesis and Luminescent Properties of Zwitterionic Platinum Bis-Phosphine Complexes Based on a Pendant Closo-Monocarborane Cluster","authors":"Li Jin, Yunjun Shen, Hui Qiu, Yuzhen Zhang, Hedong Bian","doi":"10.1002/aoc.7680","DOIUrl":"10.1002/aoc.7680","url":null,"abstract":"<div>\u0000 \u0000 <p>The synthesis, structures and photophysical properties of a series of zwitterionic platinum complexes are reported. These cyclometalated complexes have the general structure Pt(C^N)(P^P), where C^N is a cyclometalating ligand with a pendant monocarborane cluster and P^P is a <i>bis</i>-phosphine ligand (dppe or dppb). Their solid-state structures have been characterized by x-ray diffraction, and no Pt–Pt interactions are observed. All complexes are emissive at room temperature in solid states with quantum yields of 0.06–0.58 in PMMA films. The emission energy of these complexes is governed by the nature of the C^N cyclometalated ligands, allowing the emission to be tuned from blue to green. In particular, the introduction of an anionic carborane unit provokes a more than twofold improvement in the photoluminescence quantum yield of [Pt(CB<sub>11</sub>-ppy)(dppe)] (<b>3b</b>) compared to the parent cationic complex [Pt(ppy)(dppe)]<sup>+</sup>. In addition, density functional theory (DFT) calculations were performed on the ground states and first triplet excited states of <b>1a</b>, <b>2a</b>, and <b>3a</b> for interpretation of the observed photophysical properties.</p>\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940688","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}
Shaista Noor, Fawad Ahmad, Muhammad Imran Khan, Abdallah Shanableh, Shakir Khan, Suryyia Manzoor, Sameh M. Osman, Rafael Luque
{"title":"Design of Manganese-Doped Zinc Oxide Nanoparticles as Effective Electrocatalytic System in Oxygen Reduction Reactions","authors":"Shaista Noor, Fawad Ahmad, Muhammad Imran Khan, Abdallah Shanableh, Shakir Khan, Suryyia Manzoor, Sameh M. Osman, Rafael Luque","doi":"10.1002/aoc.7676","DOIUrl":"10.1002/aoc.7676","url":null,"abstract":"<p>Fuel cell technologies constitute a clean, reliable, highly efficient, and eco-friendly source of alternative energy generation. However, they still require a reliable and robust catalytic system showing comparative electrochemical activity to precious metal Pt with less cost. In this work, Mn@ZnO NPs were synthesized using a hydrothermal-assisted simple method. Several techniques including SEM, TGA, and XRD were used to confirm the material synthesis. Electrochemical properties were analyzed by using linear sweep voltammetry, chronoamperometry, and cyclic voltammetry. A higher ORR activity in terms of mass activity and current density was observed 133.9 mA/mg as compared to Pt/C (96 mA/mg) and Pd/C (67 mA/mg) under otherwise identical conditions. Mn@ZnO also exhibited excellent current density (1.913 mA cm<sup>−2</sup>), comparable to Pt/C (1.55 mA cm<sup>−2</sup>). Chronoamperometry shows stability for up to 800 s. Comparative studies were conducted in both acidic and basic mediums, with observed higher ORR activity in acidic media.</p>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/aoc.7676","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141919915","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}
{"title":"Synthesis of Cd-MOF and Eu3+@Cd-MOF as Multitarget Sensors for Simultaneous Sensing Cr (VI) Anion and 4-NA","authors":"Fengqin Wang, Yihui Wang, Zhijian Xie, Zhongrui Zhao, Zhenghong Dong, Xue Feng, Qian Ren, Caifu Dong","doi":"10.1002/aoc.7673","DOIUrl":"10.1002/aoc.7673","url":null,"abstract":"<div>\u0000 \u0000 <p>Metal–organic frameworks (MOFs) as a kind of sensing material plays an important role for environmental monitoring and human health. In this paper, we prepared a luminescent Cd-MOF: [Cd<sub>2</sub>L·4H<sub>2</sub>O]·H<sub>2</sub>O. (H<sub>4</sub>L = 2,5-bis-(3,4-dicarboxy-phenyl)thiophene-amide) under the solvothermal condition. Single crystal X-ray diffraction analysis shows that Cd-MOF has a 2D layer structure, and it exhibits a strong fluorescence emission at 470 nm. The sensing experiment displays Cd-MOF as multitarget probe can selectively detect Cr (VI) anions and 4-nitroaniline (4-NA) with high sensitivity, good anti-interference ability, and good recyclability. In addition, dual-emission Eu<sup>3+</sup>@Cd-MOF was obtained by encapsulating Eu<sup>3+</sup> ions into Cd-MOF, in which Cd-MOF sensitizes Eu<sup>3+</sup> ion emission. Accordingly, Eu<sup>3+</sup>@Cd-MOF also acts as multitarget and self-calibrated probe to selectively detect Cr (VI) ions and 4-NA synchronously at the same conditions. However, the changes of fluorescence emissions of Eu<sup>3+</sup>@Cd-MOF toward Cr (VI) ions are different from that of the original Cd-MOF. The possible sensing mechanism be attributed to the competitive energy absorption between Cd-MOF or Eu<sup>3+</sup>@Cd-MOF and the analytes. All the results may provide broad prospects for developing multitarget sensing platform for sensing environment pollutants.</p>\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"38 11","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141926999","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}
{"title":"Photoactive Donor–Acceptor Covalent Organic Framework Material for Synergistic Cyclization Approach to Imidazole Derivatives","authors":"Xiaoman Sun, Qing Su, Kexin Luo, Shufang Liu, Hao Ren, Qiaolin Wu","doi":"10.1002/aoc.7671","DOIUrl":"10.1002/aoc.7671","url":null,"abstract":"<div>\u0000 \u0000 <p>As one of the most potential platforms for heterogeneous catalysis, two-dimensional porphyrin-based covalent organic frameworks (COFs) have attracted great research interests. In this work, following the correlation of COF structure and their performance, a type of donor–acceptor 2D COF (Por-COF-Zn) based on porphyrin and thiophene units was designed and easily constructed by one-pot method using 5,10,15,20-tetra-(4-aminophenyl)porphyrin (TAPP), thieno[3,2-b]thiophene-2,5-dicarbaldehyde, and zinc acetate. The as-synthesized COF material is tested to show high crystallinity and good thermal and chemical stability. The Brunauer–Emmett–Teller (BET) measure results show that the specific surface area of Por-COF-Zn is 413.6 m<sup>2</sup>g<sup>−1</sup>, and the pore volume is 0.279 cm<sup>3</sup>g<sup>−1</sup>. Transient photocurrent response and EIS measurement also demonstrate that Por-COF-Zn exhibits an efficient separation of photogenerated electron/hole pairs. The photocatalytic performance of the resulted COF was further evaluated by using intramolecular cyclization of <i>N</i>-phenyl-<i>o</i>-phenylenediamine and benzaldehyde to form benzimidazole derivative. The catalyst system exhibited good to high conversion efficiency, moderate substrate applicability, and excellent stability and recyclability for the catalytic cyclization approach of benzimidazoles. The catalytic mechanism should be contributed to the synergistic effect of organic framework and metallic zinc. Our current work also provides valuable information for understanding COF-based photocatalytic systems and further highlight new insights to meet new challenges of heterogeneous photocatalysis.</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":"141940691","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}