Review
Chemistry, Multidisciplinary
Paolo Destito, Cristian Vidal, Fernando Lopez, Jose L. Mascarenas
Summary: Developing non-natural biocompatible transformations in biologically relevant media has attracted significant interest in the past decade, with the use of transition metal complexes offering unique possibilities. This translation of metal catalyst potential to biological environments poses challenges, but describing the most relevant advances and key challenges helps identify issues from an organometallic perspective.
CHEMISTRY-A EUROPEAN JOURNAL
(2021)
Article
Environmental Sciences
Bartlomiej Witkowski, Jian Chi, Priyanka Jain, Kacper Blaziak, Tomasz Gierczak
Summary: This study measured the reaction rate coefficients of hydroxyl radicals with various forms of aliphatic carboxylic acids, identifying significant pH dependence in only some acids. By optimizing structure-activity relationship parameters, accurate prediction of kOH values for aliphatic carboxylic acids in a specific temperature range was achieved. The developed SAR model was validated against experimental measurements from this study and literature data.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Thermodynamics
Songlin Liu, Weidong Fan, Xin Wang, Jun Chen, Hao Guo
Summary: This study re-evaluates the rate constant and activation energy of N2O elementary reaction and improves the elementary reaction involving N2O based on previous research. The kinetic parameters of N2O reacting with other substances are also updated, providing important references for the research on N2O and nitrogen oxides.
Article
Chemistry, Physical
Walid Dachraoui, Rolf Erni
Summary: This study utilizes in situ liquid cell scanning transmission electron microscopy to track the growth of Pd nanoparticles at the atomic scale. The results reveal that the formation of Pd nanoparticles involves multiple steps, including nonclassical nucleation and multi-step growth processes. These findings confirm the importance of element-specific interactions in determining the pathway of crystalline nanoparticle formation, even under identical synthesis conditions.
CHEMISTRY OF MATERIALS
(2023)
Article
Chemistry, Physical
Tharique N. Ansari, Sudripet Sharma, Susanta Hazra, Frederick Hicks, David K. Leahy, Sachin Handa
Summary: A micelle-enabled catalytic carboxylation of (hetero)aryl halides has been developed, utilizing aqueous micelles to stabilize reactive carbanions and single-metal atom catalysts. Mechanistic analyses support a carbanion pathway, and the method shows broad substrate tolerance and is applied to the synthesis of isotopically enriched carboxylic acids.
Article
Chemistry, Organic
Jack G. Haggett, Gun Su Han, Angela R. Moser, Julian V. A. Golzwarden, Shubham Vyas, Dylan W. Domaille
Summary: Diazaborines exhibit enhanced kinetic discrimination between H2O2 and ONOO- compared to arylboronic acids, opening up new opportunities for diazaborine-based tools in chemical biology.
ORGANIC & BIOMOLECULAR CHEMISTRY
(2022)
Editorial Material
Chemistry, Multidisciplinary
Mrinalini G. Walawalkar, Priya Pandey, Ramaswamy Murugavel
Summary: The recent discoveries of dicationic and monoanionic ferrocene derivatives shed light on the impact of substituents on the C-5 ring and the selection of redox agents and solvent systems in preparing previously thought difficult synthetic targets. These oxidized and reduced forms of ferrocene are of interest to spectroscopists, magnetochemists, and theoreticians.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Minghua Chen, Shian Xie, Xingyu Zhao, Wanhai Zhou, Yu Li, Jiawei Zhang, Zhen Chen, Dongliang Chao
Summary: This review comprehensively explores the performance degradation mechanisms and challenges of aqueous zinc-ion batteries (AZIBs) under extreme temperature, and summarizes effective strategies to overcome these obstacles and optimize electrochemical performance, providing guidance for their application in energy storage systems and wearable devices.
ENERGY STORAGE MATERIALS
(2022)
Article
Environmental Sciences
Tahereh Jasemizad, Lokesh P. Padhye
Summary: Hexazinone degradation was significantly enhanced under UVC irradiation with the presence of H2O2, and the degradation rate increased with higher H2O2 dosage, UV fluence, and contact time in the UV/H2O2 process. Furthermore, hexazinone was effectively adsorbed by coconut shell-based granular activated carbon through pi-pi electron donor-acceptor interactions, following the Freundlich model and pseudo-second-order reaction. This study provided valuable insights for the removal of hexazinone in wastewater treatment processes.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Chemistry, Inorganic & Nuclear
Tobias Dunaj, Kevin Dollberg, Christian Ritter, Fabian Dankert, Carsten von Haenisch
Summary: Introduction of the 2,6-diisopropylphenyl (Dipp) substituent led to the synthesis of various diaryl bismuth compounds, which were characterized for their structures and properties. Reactivity of a dibismuthane towards elemental sulfur was also investigated, leading to the characterization of dibismuthanyl sulfide compounds formed.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2021)
Article
Thermodynamics
Lara Heberle, Pushan Sharma, Perrine Pepiot
Summary: A bottom-up approach is proposed to assemble reduced combustion kinetics mechanisms, showing similar results to reduction techniques informed by detailed mechanisms but providing increased efficiency and flexibility. The algorithm augments reduced mechanisms with carefully selected individual reactions, demonstrating computational advantages in various operating conditions. Additionally, the flexibility of the algorithm to add kinetic pathways not initially considered in the reduction is highlighted.
COMBUSTION AND FLAME
(2021)
Article
Chemistry, Physical
Ardita Kilaj, Silvan Kaser, Jia Wang, Patrik Stranak, Max Schwilk, Lei Xu, O. Anatole von Lilienfeld, Jochen Kuepper, Markus Meuwly, Stefan Willitsch
Summary: Recent advances in experimental methodology have allowed for studies on the quantum-state and conformational dependence of chemical reactions in the gas phase. In this study, samples of gauche and s-trans 2,3-dibromobutadiene (DBB) were generated and reacted with laser-cooled Ca+ ions in an ion trap. The results showed that the reaction rate strongly depends on the conformation of DBB and the electronic state of Ca+. The study emphasized the important role of molecular geometry in reactive systems and revealed differences in the reactivity of individual conformers in gas-phase ion-molecule reactions.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
Jairus L. Lamola, Adedapo S. Adeyinka, Frederick P. Malan, Paseka T. Moshapo, Cedric W. Holzapfel, Munaka Christopher Maumela
Summary: The electronic and steric properties of newly developed biaryl phosphacycles were quantified using various experimental and theoretical methods. The study found moderate to good correlations between electronic descriptors derived from P-31-Se-77 coupling constants, C-O stretching frequency, computed bond enthalpies, molecular electrostatic potentials, and the unique steric parameterization studies of phospho-selenides.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Agricultural Engineering
Jiong Wang, Dominic Yellezuome, Zhiyi Zhang, Shengyong Liu, Jie Lu, Pin Zhang, Shuqing Zhang, Ping Wen, Md Maksudur Rahman, Chong Li, Junmeng Cai
Summary: Through the study, it was found that the activation energy for biomass samples varied significantly in different conversion ranges, and the frequency factor values also varied within the same conversion ranges for different samples. The average change in Gibbs free energy for the pyrolysis of pinewood sawdust and sugarcane bagasse was 207.5 and 205.8 kJ/mol, respectively. The difference between activation energy and enthalpy for the pyrolysis of both biomass samples was approximately 5.5 kJ/mol, indicating favorable product formation with considerable bioenergy potential.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Engineering, Environmental
Connor J. Taylor, Megan Booth, Jamie A. Manson, Mark J. Willis, Graeme Clemens, Brian A. Taylor, Thomas W. Chamberlain, Richard A. Bourne
Summary: A novel kinetic modelling methodology was developed to identify the correct reaction model and kinetic parameters by an autonomous framework combined with transient flow measurements; an automated flow chemistry platform conducted linear flow-ramp experiments to map reaction profiles rapidly; computational approach discriminated between possible reaction models and identified correct kinetic parameters for each process.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Inorganic & Nuclear
Guojun Hu, Ziyue Deng, Yanwei Wang, Dan Yuan, Yong Zhang, Yingming Yao
Summary: A series of rare-earth metal complexes were synthesized and used as efficient initiators for the polymerization of trimethylene carbonate (TMC) and (L)-lactide ((L)-LA).
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Van Ha Nguyen, John H. K. Yip
Summary: In this study, eight PtII-azulene complexes were synthesized to investigate the effect of metalation on the electronic structures, spectroscopy, and luminescence of organic chromophores. The results showed that the attachment of Pt substituents to azulene affected the HOMOs, LUMOs, and luminescence properties. The study provides insights into the role of metalation in modifying the properties of organic chromophores.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Moon Kedia, Virender Singh, Bhaskaran Shankar, Malaichamy Sathiyendiran
Summary: This study synthesized two types of neutral binuclear metallocycles using a one-pot solvothermal method and characterized their structures. The analysis revealed that these complexes adopt a binuclear heteroleptic cyclic architecture and belong to phosphine oxide donor (P=O)-based supramolecular coordination cyclic complexes.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Radhey S. Srivastava
Summary: This study demonstrates the effectiveness of zero-valent elements as reductants for the deoxydehydration reaction of polyols catalyzed by ONO-pincer ligated molybdenum dioxo. The insolubility and easy separability of the reductants and their oxidized products during the reaction are emphasized. Additionally, the choice of ligand has an impact on the catalytic performance of the reaction.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Hao Zhou, Yajun Sun, Li Deng, Weiran Yang, Yuehui Li
Summary: Efficient Ru-catalyzed hydrogenation of aldehydes was achieved using carbazole-derived phosphine ligands, with the crucial role of N-H moiety in promoting the catalytic reaction. The method was successfully applied in the Co/Ru-catalyzed hydroformylation process, resulting in the production of long-chain alcohols with excellent yields.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Theodor Danescu, Alexandru Lupan, Radu Silaghi-Dumitrescu, R. Bruce King
Summary: The structures and energies of complexes containing (Me2C2N2P)2Ru2(CO)n and (Me2C2N2P)2Fe2(CO)n have been studied. Low-energy structures are characterized by the presence of bridging diazaphospholyl rings, while higher-energy structures involve different ligand structures.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Savannah C. Kapper, Aamani Ponnekanti, Jonas Schaab, Tian-yi Li, Christine L. Chung, Gael Ung, Peter I. Djurovich, Mark E. Thompson
Summary: Organometallic iridium complexes with two cyclometalated ligands and one bis-oxazoline derived ancillary ligand were studied. These complexes have emission spanning across the visible and near-ultraviolet region, with moderate to high photoluminescence quantum yields. The (ppy)2Ir(BOX-CN) complexes were resolved into Delta- and Lambda-diastereomers based on solubility differences.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Zahra Karimi Sangari, Hossein Naeimi
Summary: In this research, a nanostructured CoCuFe2O4 catalyst was prepared using a brief and useful synthetic strategy. This catalyst was used for synthesizing 1,2,4,5-tetrasubstituted imidazole derivatives under ultrasonic irradiation. The approach offers advantages such as high efficiency, short reaction times, simplicity of the reaction medium, accelerated reaction rates, and easier separation and purification of products.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Rukhsana Gul, Wajid Munir, Ebraheem Abdu Musad Saleh, Shaukat Shujah, Muhammad Sirajuddin, Saira Tabassum, Khalil Ur Rehman, Dilfaraz Khan, Sameerah I. Al-Saeedi, Ehab A. Abdelrahman
Summary: Two new Schiff base ligands were synthesized and used to form copper, nickel, and cobalt complexes. The synthesized compounds were characterized and screened for various biological activities. The metal complexes showed better activities in antibacterial, antifungal, antidiabetic, and antioxidant assays.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Review
Chemistry, Inorganic & Nuclear
Ahsan Nazir, Pengwei Huo, Ameena Tur Rasool
Summary: This review explores the potential of g-C3N4-based S-scheme heterojunctions in addressing environmental issues. It summarizes the mechanism and preparation techniques of S-scheme heterojunctions based on g-C3N4, and presents recent studies on their applications in pollutant removal, CO2 reduction, hydrogen production, and bacterial disinfection. The review concludes with an outlook on future challenges for g-C3N4-based S-scheme heterojunctions.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Francois Mazars, Koffi Senam Etse, Guillermo Zaragoza, Lionel Delaude
Summary: The activity of three Pd-PEPPSI catalyst precursors with N-heterocyclic carbene (NHC) ligands derived from caffeine and theophylline in Mizoroki-Heck reactions was tested. The results showed that the catalysts achieved high conversions and yields, especially in the presence of electron-withdrawing substituents.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Bo-Han Wu, Xue Zhou, Lin Liu, Zheng-Bo Han
Summary: Researching carbon dioxide removal from flue gas and natural gas is crucial. Metal-organic frameworks (MOFs) are commonly used in adsorption due to their high surface area, porosity, and chemical properties. An ultra-microporous MOF CPM-20(Co) with mixed ligand was synthesized using inexpensive ligands. The material exhibited high selectivities and low regenerative energy, making it a promising option for CO2 separation in industries.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2024)