Article
Chemistry, Applied
Linhao Yu, Hong Chen, Zhe Wen, Mengmeng Jin, Zewei Ma, Xueli Ma, Yushuai Sang, Mengmeng Chen, Yongdan Li
Summary: Experimental results demonstrate that α-MnO2 shows the best performance in oxidizing HMF to DFF, and isopropanol can improve the selectivity of DFF. Relatively high conversion rate and selectivity can be achieved at 140℃.
Review
Chemistry, Multidisciplinary
Phuong Hoang Tran
Summary: This Review provides an overview of the latest developments in efficient catalytic systems for the sustainable conversion of HMF to DFF, which is a significant building block chemical derived from sustainable carbohydrates and has promising applications in pharmaceuticals and polymers.
Article
Chemistry, Multidisciplinary
Tat Boonyakarn, Jan J. Wiesfeld, Miyuki Asakawa, Lulu Chen, Atsushi Fukuoka, Emiel J. M. Hensen, Kiyotaka Nakajima
Summary: An acetal protection strategy was used to efficiently synthesize 2,5-diformyfuran. Organic deposits formed during the reaction led to a decrease in catalyst activity, which could be resolved by sonication treatment.
Article
Chemistry, Physical
Ming Zhang, Zhihao Yu, Yuxin Zhang, Linhao Sun, Jifang Cui, Jian Xiong, You Han, Xuebin Lu
Summary: To reduce dependence on fossil energy, researchers have studied the use of photocatalytic technology for the value-added conversion of biomass platform molecules. In this study, a 2D-3D heterojunction structure of black phosphorus/CdIn2S4 was prepared as a catalyst for the photocatalytic oxidation of 5-hydroxymethylfurfural to 2,5-diformylfuran. The heterojunction exhibited higher photocatalytic selective oxidation activity compared to pure CdIn2S4. The photocatalytic mechanism was proposed based on characterization and simulations, and the reaction pathway for the photocatalytic conversion was determined. This research provides new insights for the construction of heterostructures and the photocatalytic conversion of biomass platform molecules.
CATALYSIS SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Physical
Ming Zhang, Zhihao Yu, Yuxin Zhang, Linhao Sun, Jifang Cui, Jian Xiong, You Han, Xuebin Lu
Summary: To reduce fossil energy dependence, the photocatalytic technology for value-added conversion of biomass platform molecules has been widely studied. In this study, a 2D-3D heterojunction structure of black phosphorus/CdIn2S4 was prepared and used for biomass value-added conversion. The black phosphorus/CdIn2S4 heterojunction exhibited higher photocatalytic selective oxidation activity compared to pure CdIn2S4. The photocatalytic mechanism of S-type heterojunctions with high photogenerated carrier separation and migration efficiency was proposed based on characterization and simulations.
CATALYSIS SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Inorganic & Nuclear
Yan Zhou, Shanshan Lv, Han Li, Qikang Wu, Taiyu Chen, Shaohuan Liu, Wanying Li, Wenjuan Yang, Zheng Chen
Summary: The development and transformation of biomass-derived platform compounds is a sustainable solution for the fossil fuel crisis. This study successfully synthesized a carbon-doped V2O5 material and achieved efficient oxidation of 5-hydroxymethylfurfural and excellent selectivity for 2,5-diformylfuran. The incorporation of graphitized carbon species in the catalyst structure enhanced catalytic activity by weakening VvO bonds and promoting the formation of oxygen vacancies.
DALTON TRANSACTIONS
(2022)
Article
Chemistry, Physical
Xuemin Zhong, Peng Yuan, Samahe Sadjadi, Dong Liu, Yanfu Wei
Summary: Palygorskite-supported ruthenium catalysts were developed for the efficient and selective oxidation of HMF to DFF. The catalyst exhibited excellent performance with 100% HMF conversion, 98% DFF yield, and 98% DFF selectivity under optimal reaction conditions. The synergistic effect of Ru nanoparticles and palygorskite enhanced the catalytic activity.
APPLIED CLAY SCIENCE
(2023)
Article
Nanoscience & Nanotechnology
Yonglin Wen, Yiming Zhang, Lairan He, Hu Li, Zanyong Zhuang, Yan Yu
Summary: The amorphous MnO2 nanostructure has been found to efficiently and selectively catalyze the aerobic oxidation of 5-hydroxymethylfurfural (HMF) to produce 2,5-furandicarboxylic acid (FDCA). It can also efficiently convert low-concentration 5-formyl-2-furancarboxylic acid (FFCA) intermediates into FDCA.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Wanying Liang, Rui Zhu, Xinglong Li, Jin Deng, Yao Fu
Summary: A catalytic strategy for the photocatalytic dehydrogenation of HMF to DFF under visible-light illumination was reported. The developed method achieved high conversion and selectivity without the need for oxidizing agents or conventional hydrogen acceptors. Non-noble metal-modified CN as the photocatalyst showed improved separation and transfer efficiencies, leading to high photocatalytic performance.
Article
Chemistry, Physical
Aicheng Chen, Tingting Li, Qian Zhang, Hu Zhu
Summary: The introduction of CeO2 can enhance the interface in the cobalt-ceria binary oxide nanojunctions, which can modify the catalytic oxidation properties and improve the catalytic activity and selectivity.
CATALYSIS SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Shu Heng, Bao Yide-Rigen, Na Yong
Summary: The conversion of 5-hydroxymethylfurfural (HMF) into high value-added chemicals using hollow ZnS@CdS/Ni nanotubes for photocatalytic oxidation coupled with catalytic hydrogen generation has been studied. It was found that the ZnS defect state improved the photocatalytic performance and optimal Ni deposition led to a 36% conversion rate for HMF oxidation with 99% selectivity for the main product.
ACTA CHIMICA SINICA
(2022)
Article
Energy & Fuels
Yanbin Sun, Jianfeng Zheng, Jiajia Xu, Kaixuan Yang, Zhiguo Zhu, Ting Su, Hui Ge, Wanzhong Ren, Hongying Lu
Summary: In this study, a catalyst with Mo5+ connected to the oxygen vacancies in Anderson-type polyoxometalate was developed for the oxidation of HMF to DFF. The catalyst exhibited excellent oxidation performance, high selectivity, and remarkable stability.
Article
Chemistry, Multidisciplinary
Yuchi Zhang, Wenjing Li, Yucai Cao, Ming Chen, Wenqian Li, Jiantao Zai, Asma Iqbal, Rongrong Qi, Xuefeng Qian
Summary: An efficient synthesis of 2,5-diformylfuran (DFF) from 5-hydroxymethylfurfural (HMF) was achieved using a continuous-flow system with a redox mediator I-/I-2 and inexpensive graphite felt (GF) electrode. The method demonstrated high selectivity and potential for large-scale production of DFF.
Article
Chemistry, Multidisciplinary
Heng Zhao, Dhwanil Trivedi, Morteza Roostaeinia, Xue Yong, Jun Chen, Pawan Kumar, Jing Liu, Bao-Lian Su, Steve Larter, Md Golam Kibria, Jinguang Hu
Summary: Photorefining of biomass and its derivatives to value-added chemicals offers a solution to global energy shortage and environmental issues. In this study, efficient and selective oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-diformylfuran (DFF) was achieved using visible light-driven photocatalysis over cocatalyst-free ZnIn2S4 nanosheets with crystal facet engineering. The use of (110) and (102) crystal facets allowed for the spatial accumulation of photogenerated electrons and holes, enabling a two-electron oxygen reduction reaction (2e-ORR) for H2O2 generation and HMF oxidation into DFF. The research also demonstrated the importance of improving the photostability of ZnIn2S4 through sulfur substitution, which sheds new light on biomass valorization via photorefinery.
Article
Energy & Fuels
Wenlong Jia, Huai Liu, Xiaoyu Zhao, Yunchao Feng, Miao Zuo, Yong Sun, Xing Tang, Shuliang Yang, Xianhai Zeng, Lu Lin
Summary: A novel bimetallic catalyst FeCu@CN was synthesized through calcination of a Fe-Cu/cellulosic polymer framework precursor, showing outstanding catalytic performance in producing 2,5-diformylfuran (DFF) via selective oxidation of 5-hydroxymethylfurfural (HMF), with a high TOF and efficient HMF conversion. The results revealed that Cu sites and urea modification increased Fe valence, improving lattice oxygen activity and reducing electronic transfer energy, while Fe3+ and Cu played pivotal roles in the redox cycles for catalysis.
Article
Chemistry, Physical
Haojie Li, Bingke Yang, Zhen Yao, Xuetao Wang, Kaiming Shen, Mengjie Liu
Summary: This study systematically investigates the influence of metal and nonmetal element doping on the photochemical properties of g-C3N4 for efficient catalytic AB hydrogen production. It provides a design method for high performance bifunctional catalysts of photocatalysis and metal catalysis. The results show that both non-metals (B, P) and metals (Ru, Ni) have efficient regulatory effects on the band structure of g-C3N4, resulting in a reduced band gap and improved hydrogen production. The study offers a theoretical method for the coupling of metal catalysis/photocatalysis ammonia borane to produce hydrogen.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Shrouq Mujahed, Davide Gandolfo, Luigi Vaccaro, Evgueni Kirillov, Dmitri Gelman
Summary: In this study, a high-valent Ru(IV) bifunctional catalyst was successfully applied for the hydrosilylation of various functional groups. The high-valent hydride complexes showed high chemoselectivity and affinity towards reducing polar bonds. The scope, limitations, and plausible mechanism of the reaction were described.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Yongzhen Peng, Kongchen Xia, Qi Wu
Summary: In this study, we report an engineered cyclohexanone monooxygenase that can be used for the asymmetric synthesis of chiral alpha-deuterated carbonyl compounds via enantioselective reductive dehalogenation. The engineered enzyme exhibits good chemoselectivity, stereoselectivity, and d-incorporation, making it a promising method for the synthesis of deuterated drugs.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Qi Yang, Ruixuan Xu, Hongqi Nie, Qilong Yan, Jun Liu, Jiuyu Chen, Yunlan Sun
Summary: The adsorption and decomposition processes of ammonium perchlorate (AP) on pure-Al and Al2O3/Al surfaces were investigated using density functional theory. The results showed that the pure-Al surface is more conducive to the decomposition of AP and the activation of NH3, while the Al2O3/Al surface promotes the disengagement of H and NH3 decomposition.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Yudong Hu, Guochao Xu, Ye Ni
Summary: This study identified a novel phenylalanine dehydrogenase (QtPDH) with high catalytic efficiency and thermal stability, making it a promising biocatalyst for industrial production of bulky aromatic primary amines. QtPDH exhibited a broader substrate specificity and significantly longer half-life compared to BbPDH.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Weiling Zhao, Zhiling Huang, Hui Shen, Xianglong Li, Shaofen Zhao, Bo Xie, Shengjie Xia
Summary: This study investigated the effects of metal doping and crystal plane selection on the CO2 adsorption properties of MgO using density functional theory (DFT) methods. The results showed that the appropriate crystal plane and metal doping can improve the adsorption properties of MgO on CO2. The influence of different crystal planes and metal dopants on CO2 adsorption properties varied significantly. The research provides some references for experimental studies on CO2 adsorption by MgO by combining the dual modification of crystal plane and doped metal.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Jie Zhang, Jinwei Chen, Zongbo Shi, Junyu Zhao, Runsheng Zhuo, Ruilin Wang
Summary: In this study, a double-layered silicalite-1 support with high specific surface area was synthesized, and a magnesium modification strategy was adopted to improve the catalytic activity and stability of the zinc-based catalyst. The modified catalyst showed enhanced propylene selectivity and anti-coking property.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Pei-Sen Gao, Chang-Wang Pan, Cheng Liu, Wen -Tong Chen
Summary: Asymmetric electrocatalysis offers a unique approach to obtain enantioenriched molecules that are difficult to obtain through conventional methods. This study developed a novel bifunctional electrocatalyst, enabling the oxidative kinetic resolution of chiral 1,4-diols and gamma-lactones. The work demonstrates the potential of bifunctional electrocatalysis for asymmetric synthetic methods and its importance in the development of novel electrocatalytic methods.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Qinzhe Lin, Xuanjin Lv, Xianming Zeng, Mengning Zhong, Qiyun Wu, Huilin Ren, Shenpeng Xu, Wentian Chen, Wenting Du, Jun Li
Summary: The catalytic efficiency of engineered IRED M5 was found to be relatively low when tasked with a bulky amine substrate. Rational design led to the mutants M203V and F260A, with F260A exhibiting a substantial improvement in conversion and stereoselectivity. The study revealed the potential molecular mechanisms underlying the effect of F260A and M203V on catalytic performance.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Zhishuai Wang, Fengyun Su, Hailong Cao, Mengzhen Tian, Xiang Li, Haiquan Xie, Xiaoli Jin, Zhengdao Li, Xin Ying Kong
Summary: In this study, the efficiency of photocatalytic CO2 reduction was significantly enhanced by incorporating nickel oxide onto niobium pentoxide. The resulting catalyst showed remarkable methane and carbon monoxide production improvements.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
A. Yu. Sidorenko, Yu. M. Kurban, T. V. Khalimonyuk, I. V. Il'ina, N. S. Li-Zhulanov, O. S. Patrusheva, V. V. Goltsova, M. P. Bei, Zh. V. Ihnatovich, J. Warna, K. P. Volcho, N. F. Salakhutdinov, D. Yu. Murzin, V. E. Agabekov
Summary: This study provides a comprehensive investigation into the catalytic condensation of renewable 3-carene with formaldehyde for the one-step preparation of terpenoid trans-4-hydroxymethyl-2-carene. Various acids and alumino-silicates were found to catalyze the reaction, but the selectivity to the desired product was limited. Phosphoric acid showed the highest selectivity, and an excess of formaldehyde or catalyst loading significantly increased the yield of the target product. Water presence also led to increased selectivity. Additionally, a detailed mechanism for the 3-carene condensation with formaldehyde was proposed and confirmed through kinetic modeling.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Meng-Yu Rong, Jing Nie, Shen Li, Jun-An Ma
Summary: We synthesized a new class of chiral quaternary ammonium salts and used them as catalysts in phase-transfer catalytic asymmetric alkylation. By employing these catalysts, we obtained a series of chiral fluorinated aromatic alpha-amino acid derivatives with high yields and enantioselectivities.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Zhaozhou Wei, Guangtao Wei, Huixian Che, Deyuan Xiong, Linye Zhang, Ruihua Xue, Yalin Tang, Xuanli Lu
Summary: This study demonstrates that small-sized graphite crystallite and highly defective carbon-based catalysts can increase the -SO3H density of the catalysts and modulate their surface electronic properties, leading to improved efficiency in the alpha-pinene hydration reaction. The reduction of graphite crystallite size is considered a critical step in enhancing the selectivity of alpha-terpineol.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Kempanna S. Kanakikodi, Nagendra Kulal, K. S. Subramanya, M. S. Puneethkumar, Bhavana B. Kulkarni, Ganapati Shanbhag, Sanjeev P. Maradur
Summary: An effective and highly selective protocol for synthesizing asymmetric organic carbonates using dimethyl carbonate (DMC) as a reactant and solvent has been developed. The performance of CeO2 nanostructures with different morphologies in the carbonate interchange reaction (CIR) of alcohols was investigated, and the CeO2 nano-catalyst with rod morphology exhibited the highest oxygen vacancy and remarkable enhancement in conversion. The CeO2 characterization data revealed that the exposed active sites, defect density, coordination state of surface atoms, and reducibility of the catalytic materials are the contributing factors to its high catalytic activity. CeO2 can be easily recovered and reused for multiple cycles.
MOLECULAR CATALYSIS
(2024)
Article
Chemistry, Physical
Yanzhao Gao, Xianglei Meng, Shiqi Huang, Hui Wu, Liantao Jiang, Yu Zhou, Yuting Song, Yanyan Diao
Summary: Gamma alumina modified with alkaline earth metal shows improved catalytic performance for hydrogenation reactions. Pd catalysts supported by Al2O3 and Mg-modified Al2O3 were synthesized and their structure, composition, and surface acidity were investigated. The results showed that Pd/MgO-Al2O3-2 catalyst exhibited the best catalytic performance due to its metallic state palladium and weak acid sites.
MOLECULAR CATALYSIS
(2024)