Article
Chemistry, Applied
Zhinuo Wang, Ming Yin, Jifeng Pang, Xianquan Li, Yanan Xing, Yang Su, Shimin Liu, Xiaoyan Liu, Pengfei Wu, Mingyuan Zheng, Tao Zhang
Summary: In this study, Cu was selected to modify NiMgAlO catalysts for improving ethanol conversion and n-butanol selectivity. The optimized 2%Cu-NiMgAlO catalyst showed enhanced ethanol conversion and n-butanol selectivity in a 200-hour reaction time. The key role of multiple active sites in this reaction was extensively investigated.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Physical
Jinfeng He, Xiuzhen Li, Jianyao Kou, Tingjie Tao, Xinyue Shen, Dahao Jiang, Lili Lin, Xiaonian Li
Summary: In this study, a series of nickel and nickel free modified Cu-La2O3/Al2O3 catalysts were prepared and applied for the catalytic upgrading of ethanol to higher alcohols. The addition of an appropriate amount of NiO effectively promoted ethanol upgrading to higher alcohols, by increasing the amount of surface Cu active species and optimizing the acid-base properties of Cu-based catalysts, enhancing the dehydrogenation/hydrogenation capacity and aldol condensation activity of the catalysts.
CATALYSIS SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Physical
Tingting Yan, Mengting Zhang, Runze Liu, Weili Dai, Naijia Guan, Landong Li
Summary: The selective conversion of the acetone-butanol-ethanol (ABE) mixture to high-valuable chemicals is still challenging. In this study, a bifunctional Ga/HZSM-5 zeolite catalyst containing both Bri nsted acid sites and Lewis acid sites was designed and used for the conversion of the ABE mixture to aromatics, achieving a state-of-the-art aromatics yield of 77%. The mechanisms of aromatics formation and catalyst deactivation were investigated, and a synergistic catalysis between Lewis acidic Ga species and Bri nsted acid sites was proposed.
Review
Chemistry, Multidisciplinary
Wanzhen Zheng, Xiaoxuan Yang, Zhongjian Li, Bin Yang, Qinghua Zhang, Lecheng Lei, Yang Hou
Summary: Upgrading CO2 into multi-carbon (C2+) compounds is a practical approach to mitigate atmospheric CO2 and simultaneously produce high value chemicals. By increasing the surface coverage of adsorbed protons and *CO intermediates, the reaction kinetics can be accelerated, promoting C2+ production.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Jie Li, Lu Lin, Yuan Tan, Shiyi Wang, Wenshao Yang, Xingkun Chen, Wenhao Luo, Yun-Jie Ding
Summary: The study prepared Cu/NiAlOx catalysts through hydrothermal precipitation method and found that Cu addition enhanced the reactivity in the conversion of ethanol into butanol. With sustained ethanol conversion of over 35% and butanol selectivity of around 45%, the catalyst exhibited excellent stability over time.
Article
Chemistry, Physical
Yong Yan, Roong Jien Wong, Zhirui Ma, Felix Donat, Shibo Xi, Syed Saqline, Qianwenhao Fan, Yonghua Du, Armando Borgna, Qian He, Christoph R. Muller, Wei Chen, Alexei A. Lapkin, Wen Liu
Summary: The catalytic hydrogenation of CO2 to methanol can be improved by doping tungsten into CeO2, resulting in a Cu/CeW0.25Ox catalyst with enhanced activity and selectivity. Experimental investigation reveals that this promotion effect is attributed to the reduction of Ce4+ to Ce3+ by W-doping, the suppression of oxygen vacancy formation on CeO2, and the activation of the formate pathway for CO2 hydrogenation. This catalyst design strategy differs from conventional CeO2-supported catalysts.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Biochemistry & Molecular Biology
Yan Xiao, Nannan Zhan, Jie Li, Yuan Tan, Yunjie Ding
Summary: The catalytic upgrading of ethanol into butanol through the Guerbet coupling reaction has been widely studied due to the abundance of bioethanol and the versatility of butanol applications. Four different supported Cu catalysts were used to investigate the catalytic performances for ethanol conversion. It was found that Ni-containing catalysts showed better reactivity, Al-containing catalysts exhibited better stability, and Ni-Al catalytic systems had a synergistic effect on ethanol conversion, butanol selectivity, and catalyst stability. Various characterizations were applied to analyze the properties of different catalysts, and it was found that Cu species provided active sites for ethanol dehydrogenation/hydrogenation, while the support derived from Ni-Al-LDH supplied appropriate acid-base sites for aldol condensation, resulting in high butanol selectivity. Moreover, catalysts with strong reducibility, such as Cu/NiO, were easily deactivated during the Guerbet coupling process.
Article
Chemistry, Multidisciplinary
Liuqingqing Yang, Laura Pastor-Perez, Juan Jose Villora-Pico, Antonio Sepulveda-Escribano, Feixiang Tian, Minghui Zhu, Yi-Fan Han, Tomas Ramirez Reina
Summary: The study demonstrates that bimetallic Fe-Cu catalysts show a remarkable enhancement in catalytic performance compared to monometallic systems for the RWGS reaction, especially at low temperatures. The optimal Fe/Cu oxides mass ratio of 0.25/0.75 exhibits commendable CO2 conversion levels and selectivity. Copper species on the catalytic surface interact with multioxide phases like Fe3O4/CeO2, enhancing catalytic activity.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Zi Yang, Deguang Ji, Zhi Li, Zidong He, Yang Hu, Jie Yin, Yichao Hou, Pinxian Xi, Chun-Hua Yan
Summary: In this study, cerium is utilized as a self-sacrificing agent to stabilize Cu+ of CuS, resulting in high selectivity for ethanol production during the electrochemical CO2 reduction.
Article
Chemistry, Multidisciplinary
P. M. Mahitha, S. Nakul, Naveen V. Kulkarni, Balaji R. Jagirdar, William D. Jones
Summary: A series of Ru(iii) complexes with accessible N-donor organic pincer ligands were used as catalysts in the Guerbet upgrading reaction of ethanol under aerobic conditions. The tridentate ligand systems with amino-dimethyl and pyridine backbones showed higher efficiency compared to the bidentate ligand systems with phenyl and ethene backbones. Potassium t-butoxide was the most compatible base for this catalyst system. A reaction with 0.1 mol% catalyst and 10 mol% potassium t-butoxide yielded 27% n-butanol at 71% selectivity (150 degrees C, 24 h).
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Engineering, Environmental
Alejandro Ayala-Cortes, Daniel Torres, Esther Frecha, Pedro Arcelus-Arrillaga, Heidi Isabel Villafan-Vidales, Adriana Longoria, Jose Luis Pinilla, Isabel Suelves
Summary: Using concentrated solar energy as a heat source for hydrothermal liquefaction shows potential in improving the efficiency and reducing the environmental impact compared to fossil fuels. The study successfully upgraded solar bio-oils obtained from Agave and corncob by hydrodeoxygenation, resulting in high yields and improved properties.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Engineering, Environmental
Mingyuan Zhang, Yujian Wu, Xue Han, Yimin Zeng, Chunbao Charles Xu
Summary: The effects of hydrogen sources (hydrogen gas and formic acid) on hydrodeoxygenation (HDO) of pyrolysis oil in supercritical ethanol were investigated. It was found that formic acid as an in-situ hydrogen source showed better deoxygenation performance at lower temperatures, while hydrogen gas as an ex-situ hydrogen source achieved higher degree of deoxygenation and better oil quality at higher temperatures.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Jian Zhou, Yaohui He, Bing Xue, Yunhui Cheng, Danfeng Zhou, Dong Wang, Yajun He, Weixin Guan, Kegong Fang, Lijun Zhang, Jun Ni, Xiaonian Li
Summary: The conversion of ethanol to n-butanol using Cu@UiO-66 catalysts demonstrates that internal Cu metal sites and Lewis acid-oxygen vacancy pairs are the active sites, facilitating key step reactions and achieving high yields of n-butanol. This proximity between Cu metal sites and Zr-3- dictates the success of the process, showcasing the potential for Cu@UiO-66 catalysts in industrial applications.
SUSTAINABLE ENERGY & FUELS
(2021)
Article
Engineering, Chemical
Saki Shigenobu, Hajime Hojo, Hisahiro Einaga
Summary: The effect of Cu addition on the catalytic properties of Pd/CeO2 catalysts for CO oxidation was investigated. It was found that Cu addition enhanced the activity of the catalyst, but excessive addition of Cu led to agglomeration of PdO and decreased CO oxidation activity.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Nanoscience & Nanotechnology
Biswarup Pathak, Mohan Tiwari, Shyama Charan Mandal, Amitabha Das
Summary: In this study, density functional theory (DFT) calculations were used to investigate the upgrading of ethanol to n-butanol. The Li-subsurface Cu(111) structure was found to be the most stable and was used for the mechanistic investigation. The improved activity can be attributed to the charge transfer from Li to the Cu surface, which enhances the adsorption of important intermediates through an oxygen atom. This study contributes to the rational design of high-performance metal catalysts and emphasizes the importance of subsurface chemistry in heterogeneous catalysis.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Physical
Simon Doherty, Julian G. Knight, Hussam Y. Alharbi, Reece Paterson, Corinne Wills, Casey Dixon, Lidija Siller, Thomas W. Chamberlain, Anthony Griffiths, Sean M. Collins, Kejun Wu, Matthew D. Simmons, Richard A. Bourne, Kevin R. J. Lovelock, Jake Seymour
Summary: Platinum nanoparticles stabilized by imidazolium-based phosphine-decorated Polymer Immobilized Ionic Liquids (PPh2-PIIL) catalyze the hydrolytic evolution of hydrogen with remarkable efficiency. The composition of the polymer affects the efficiency of the catalyst, with a polyethylene glycol modified imidazolium monomer being more active. The catalyst exhibits good stability and can be reused multiple times.
Article
Chemistry, Physical
J. M. Seymour, E. Gousseva, R. A. Bennett, A. I. Large, G. Held, D. Hein, G. Wartner, W. Quevedo, R. Seidel, C. Kolbeck, C. J. Clarke, R. M. Fogarty, R. A. Bourne, R. G. Palgrave, P. A. Hunt, K. R. J. Lovelock
Summary: Valence resonant X-ray photoelectron spectroscopy (RXPS) is a crucial tool for obtaining atomic contributions to valence states, while valence non-resonant X-ray photoelectron spectroscopy (NRXPS) provides a direct method for probing the overall valence electronic structure. This work combines RXPS with NRXPS and density functional theory calculations to validate the use of RXPS in identifying atomic contributions for various solutes and solvents. RXPS has the potential to serve as a promising fingerprint method for identifying species in solution.
FARADAY DISCUSSIONS
(2022)
Article
Polymer Science
Stephen T. Knox, Sam J. Parkinson, Clarissa Y. P. Wilding, Richard A. Bourne, Nicholas J. Warren
Summary: The application of artificial intelligence and machine learning in polymer discovery and synthesis offers a new opportunity. Through a computationally controlled flow reactor and online real-time detection instruments, the optimization and synthesis of polymer formulations can be achieved autonomously without user intervention. This method allows for polymerization reactions under conditions that are usually forbidden, and can simultaneously optimize multiple polymer performance indicators.
Article
Chemistry, Multidisciplinary
Hamish R. Stephen, Sarah Boyall, Christiane Schotten, Richard A. Bourne, Nikil Kapur, Charlotte E. Willans
Summary: Due to the heterogeneous nature of electrochemical reactions, mass transport plays a crucial role in reaction and reactor development. Experimental studies and computational fluid dynamics have been used to investigate the impact of different flow channel geometries on mass transfer in a continuous electrochemical reactor. The results show that the channel shape has a modest effect on the mass transfer coefficient, while the polarity switching of the reaction solution during flow has the greatest impact.
REACTION CHEMISTRY & ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Adam D. Clayton, Edward O. Pyzer-Knapp, Mark Purdie, Martin F. Jones, Alexandre Barthelme, John Pavey, Nikil Kapur, Thomas W. Chamberlain, A. John Blacker, Richard A. Bourne
Summary: The optimization of multistep chemical syntheses is crucial for rapid development of new pharmaceuticals. A continuous flow platform was developed to automate the optimization of telescoped reactions. By integrating Bayesian optimization techniques, an 81% overall yield was achieved in just 14 hours, and a favorable competing pathway for the desired product was identified.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Engineering, Environmental
Oliver J. Kershaw, Adam D. Clayton, Jamie A. Manson, Alexandre Barthelme, John Pavey, Philip Peach, Jason Mustakis, Roger M. Howard, Thomas W. Chamberlain, Nicholas J. Warren, Richard A. Bourne
Summary: This paper introduces a new mixed variable multi-objective optimization algorithm that considers discrete variables in self-optimization of chemical reactions. By coupling the algorithm with an automated continuous flow platform, it is possible to determine the optimal values for both continuous and discrete variables simultaneously. This method provides efficient optimization and enhances process understanding.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Reece Paterson, Husam Y. Alharbi, Corinne Wills, Thomas W. Chamberlain, Richard A. Bourne, Anthony Griffiths, Sean M. Collins, Kejun Wu, Matthew D. Simmons, Robert Menzel, Alexander F. Massey, Julian G. Knight, Simon Doherty
Summary: RuNPs stabilised by a polymer immobilised ionic liquid derived from co-polymerisation of a PEG -substituted imidazolium-based styrene monomer and diphenyl(4-vinylphenyl)phosphine oxide, RuNP@O = PPh2-PEGPIILS, (2) is a highly efficient and selective catalyst for the partial reduction of nitroarenes to N-arylhydroxylamines using hydrazine hydrate. The catalyst showed near quantitative conversion to N-phenylhydroxylamine with > 99% selectivity after only 2 hours at 25 degrees C in ethanol under an inert atmosphere using 0.1 mol% catalyst. It exhibited a significantly higher initial turnover frequency (TOF) compared to 5 wt% Ru/C, making it a promising catalyst for this reaction.
JOURNAL OF CATALYSIS
(2023)
Article
Chemistry, Multidisciplinary
Pia Mueller, Aikaterini Vriza, Adam D. Clayton, Oliver S. May, Norman Govan, Stuart Notman, Steven V. Ley, Thomas W. Chamberlain, Richard A. Bourne
Summary: Automated platforms enable fast and efficient optimization of chemical systems with single and multiple objectives. In this study, we demonstrate the application of automated optimization platforms for chemical screening of sulfide oxidations in flow. The identification of unique optima for each substrate emphasizes the importance of rapid and individual experimental optimization for successful compound screening.
REACTION CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Physical
Adhwa A. Alharbi, Corinne Wills, Thomas W. Chamberlain, Richard A. Bourne, Anthony Griffiths, Sean M. Collins, Kejun Wu, Pia Mueller, Julian G. Knight, Simon Doherty
Summary: Nanoparticle-based catalysts immobilized with amino-decorated imidazolium-based polymer immobilized ionic liquids (RuNPs) can selectively partially reduce substituted quinolines to 1,2-dihydroquinolines and 1,2,3,4-tetrahydroquinoline. The reduction of quinolines can achieve 100% selectivity in toluene under mild conditions. The high selectivity and good yields of the reduction reaction make RuNPs a promising catalyst for the production of organo-hydride reagents.
Review
Chemistry, Multidisciplinary
Connor J. Taylor, Alexander Pomberger, Kobi C. Felton, Rachel Grainger, Magda Barecka, Thomas W. Chamberlain, Richard A. Bourne, Christopher N. Johnson, Alexei A. Lapkin
Summary: From the beginning of a synthetic chemist's training, experiments are conducted based on recipes from textbooks and manuscripts. However, it has been shown that model-based, algorithm-based, and miniaturized high-throughput techniques outperform human chemical intuition in understanding chemical systems and achieving reaction optimization. Many synthetic chemists are not exposed to these techniques, leading to a disproportionate number of scientists unable to utilize these methodologies. This review serves as a reference for inspired scientists, highlighting the basics and cutting-edge of chemical reaction optimization and its relation to process scale-up.
Article
Chemistry, Multidisciplinary
Laura N. Elliott, David Austin, Richard A. Bourne, Ali Hassanpour, John Robb, John L. Edwards, Stephen Sutcliffe, Timothy N. Hunter
Summary: This study investigated the changes in adsorbed amount and surface structure of sodium hexametaphosphate (SHMP) in aluminum-doped TiO2 pigment during milling. It was found that sustained high-energy milling caused destructive effects on the dispersant, although there were no significant chemical changes. Relaxation NMR was proven to be an effective technique for monitoring milling processes in real-time, as long as appropriate industrial calibrations were achieved.
Article
Polymer Science
Clarissa. Y. P. Wilding, Stephen. T. Knox, Richard. A. Bourne, Nicholas. J. Warren
Summary: The application of computational techniques in predicting the outcome of chemical reactions is becoming more common, reducing the need for physical experiments. In this study, a model for reversible addition fragmentation chain transfer (RAFT) solution polymerization is developed and validated experimentally. The model not only helps polymer chemists estimate ideal conditions for polymerization, but also provides a basis for computationally controlled reactor platforms to explore the parameter space.
Article
Chemistry, Multidisciplinary
Reece Paterson, Luke E. Fahy, Elisabetta Arca, Casey Dixon, Corinne Y. Wills, Han Yan, Anthony Griffiths, Sean M. Collins, Kejun Wu, Richard A. Bourne, Thomas W. Chamberlain, Julian G. Knight, Simon Doherty
Summary: Palladium nanoparticles stabilised by aniline modified polymer immobilised ionic liquid exhibit remarkable activity in the hydrogenation of CO2 to formate, with an initial TOF of 500 h(-1), which is significantly higher than other modified catalysts and among the highest reported for a PdNP-based catalyst.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Thomas Shaw, Adam D. Clayton, Ricardo Labes, Thomas M. Dixon, Sarah Boyall, Oliver J. Kershaw, Richard A. Bourne, Bruce C. Hanson
Summary: This study aims to find an economical and efficient pathway to synthesize the ligand DEHiBA for the advancement of hydrometallurgical reprocessing of used nuclear fuel globally. By utilizing an automated flow reactor platform and machine-learning algorithms, a solvent-free synthesis route to DEHiBA was identified, allowing affordable access to large quantities of the material for subsequent testing.
REACTION CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Anthony Griffiths, Sarah L. Boyall, Pia Mueller, John P. Harrington, Anna M. Sobolewska, William R. Reynolds, Richard A. Bourne, Kejun Wu, Sean M. Collins, Mark Muldowney, Thomas W. Chamberlain
Summary: We propose an approach to utilize complex nanomaterials for continuous flow heterogeneous catalysis by combining them with carbon pelleted supports. A composite heterogeneous catalyst has been developed, and its catalytic activity has been studied under continuous flow. The catalyst shows no loss in activity for 9 hours, paving the way for further development in MOF-based continuous flow heterogeneous catalysis.
Article
Chemistry, Multidisciplinary
Xuemei Liu, Chaonan Cui, Shuoshuo Wei, Jinyu Han, Xinli Zhu, Qingfeng Ge, Hua Wang
Summary: This study presents a new strategy for designing efficient photocatalysts that can convert CO2 into hydrocarbons by utilizing synergistic catalytic sites. The findings provide a solution for the selective photocatalytic reduction of CO2 to CH4.
Article
Chemistry, Multidisciplinary
Chengxian Hu, Dan Wang, Lu Wang, Ying Fu, Zhengyin Du
Summary: A novel one-pot, three-component reaction conducted under electrochemical conditions was studied. The reaction involved 2-aminothiophenols, aldehydes, and malononitrile, using TBABF4 as an electrolyte and CuI as a catalyst. The proposed reaction mechanism suggested that CuI served as an electron relay. This method offers simplified operation, high atom economy, and mild reaction conditions.
Article
Chemistry, Multidisciplinary
Zhi Yang, Yu Chen, Linxi Wan, Yuxiao Li, Dan Chen, Jianlin Tao, Pei Tang, Fen-Er Chen
Summary: A highly enantioselective method for the complete hydrogenation of pyrimidinium salts using Ir/(S,S)-f-Binaphane complex as the catalyst was developed. This method provides easy access to fully saturated chiral hexahydropyrimidines, which are prevalent in many bioactive molecules. The reactions exhibit high yields and enantioselectivities under mild reaction conditions without additives. Successful application of this methodology in a continuous flow fashion further extends its practical utility.
Article
Chemistry, Multidisciplinary
Tina Jeoh, Jennifer Danger Nill, Wujun Zhao, Sankar Raju Narayanasamy, Liang Chen, Hoi-Ying N. Holman
Summary: In this study, the enzymatic hydrolysis of cellulose was investigated using real-time infrared spectromicroscopy. The spatial heterogeneity of cellulose was found to impact the hydrolysis kinetics. Hydration affected cellulose ordering, and Cel7A preferentially removed less extensively hydrogen bonded cellulose.
Article
Chemistry, Multidisciplinary
Tiphaine Richard, Walid Abdallah, Xavier Trivelli, Mathieu Sauthier, Clement Dumont
Summary: An effective method of grafting functionalities onto lignin based on glycerol carbonate has been developed using an efficient nickel-catalysed telomerisation reaction. This method allows lignin to have new reactive functions and reduces the glass transition temperatures of modified lignins, thereby expanding the application range of lignin-based resins.
Article
Chemistry, Multidisciplinary
Jing Qi, Xiyan Wang, Gan Wang, Srinivas Reddy Dubbaka, Patrick ONeill, Hwee Ting Ang, Jie Wu
Summary: This study presents a green and environmentally friendly approach for the synthesis of imides using electrocatalytic oxidation with H2O as the oxygen source. The method eliminates the need for toxic or expensive oxidants and achieves high yields under mild reaction conditions. It shows broad substrate compatibility and potential for industrial applications.
Article
Chemistry, Multidisciplinary
Babasaheb Sopan Gore, Lin-Wei Pan, Jun-Hao Lin, Yi-Chi Luo, Jeh-Jeng Wang
Summary: Here, we report a visible light-promoted intramolecular radical cascade reaction for the construction of fluorenol and naphthalene-fused cyclopropyl carbaldehyde derivatives. This method offers mild reaction conditions, a broad substrate scope, excellent step efficiency, and scalability, without the need for external chemical oxidants. The novelty of this protocol was demonstrated by synthesizing chrysene analogs and performing late-stage functionalizations.
Article
Chemistry, Multidisciplinary
Juho Antti Sirvio, Idamaria Romakkaniemi, Juha Ahola, Svitlana Filonenko, Juha P. Heiskanen, Ari Ammala
Summary: This article discusses the method of using supramolecular interaction between an aromatic hydrogen bond donor and lignin to achieve rapid delignification of softwood at low temperatures.
Article
Chemistry, Multidisciplinary
Yunyan Meng, Chunxiang Pan, Na Liu, Hongjiang Li, Zixiu Liu, Yao Deng, Zixiang Wei, Jianbin Xu, Baomin Fan
Summary: A novel visible light-driven synthesis method for 2,3-diamines has been developed, which has mild conditions, avoids the use of metal reagents, and can synthesize diamines and diols in one pot.
Article
Chemistry, Multidisciplinary
Mingqing Huang, Haiyang Huang, Mengyao You, Xinxin Zhang, Longgen Sun, Chao Chen, Zhichao Mei, Ruchun Yang, Qiang Xiao
Summary: A direct air-oxidized strategy for the synthesis of benzo[b]phosphole oxides was developed in this study. Arylphosphine oxides were transformed into phosphinoyl radicals, which were further combined with various alkynes to achieve the desired products. DFT calculations revealed the mechanism of phosphinoyl radical formation.
Article
Chemistry, Multidisciplinary
Anwei Wang, Jiayin Huang, Chunsheng Zhao, Yu Fan, Junfeng Qian, Qun Chen, Mingyang He, Weiyou Zhou
Summary: This study demonstrates an innovative strategy for the aerobic oxidation of C(sp(3))-H bonds using gamma-valerolactone. By optimizing the reaction conditions and utilizing specific catalysts, efficient oxidation of C(sp(3))-H bonds is achieved with good chemoselectivity in certain cases.
Article
Chemistry, Multidisciplinary
Shun Li, Likai Tong, Zhijian Peng, Bo Zhang, Xiuli Fu
Summary: Sulfide compounds show promise as electrocatalysts for water splitting, but their performance is limited by factors such as limited active sites and hindered substance transport. This study successfully prepared a high-entropy sulfide (ZnCoMnFeAlMg)(9)S-8, which reduced grain size and increased specific surface area, enabling the realization of a dual-functional catalyst with multiple catalytic sites. High entropy also modulated the electronic properties of sulfides, reducing the potential energy barrier for hydrolysis. This research introduces a new approach for functionalizing high entropy nanomaterials and improves the performance of water splitting catalysts.
