Article
Nanoscience & Nanotechnology
Ashish Kumar Kar, Arjun Behera, Rajendra Srivastava
Summary: The photocatalytic reductive N-formylation of nitroarenes was successfully achieved using a Pd nanoparticle-embedded nanostructured Ti-MOF catalyst under sunlight or household white light-emitting diode (LED). The high photocatalytic performance of the catalyst can be attributed to the direct contact between the Pd nanoparticles and the MOF, abundant catalytically active sites, and superior electrical conductivity. The findings of this study demonstrate the economic and sustainable catalyst design and may inspire the development of similar catalytic protocols for other industrially important chemicals.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Bikash Sharma, Anjulika Ghosh, Manoj Kumar Dubey, Rakeshwar Bandichhor, Saibal Kumar Das
Summary: This article presents a simple procedure for N-formylation of various amines using indium(III) chloride as catalyst in acetonitrile under mild conditions. The reaction condition can also be applied for the chemoselective N-formylation of amino groups. By using o-phenylenediamines instead of mono-amines, unsubstituted 1H-benzimidazoles can also be obtained.
Article
Multidisciplinary Sciences
W. Ballout, N. Sallem-Idrissi, M. Sclavons, C. Doneux, C. Bailly, T. Pardoen, P. Van Velthem
Summary: A novel environmentally friendly recycling method has been developed specifically for large carbon-fiber reinforced polymer composite panels, with efficient recycling potential demonstrated through fabrication of a new composite part. The recycled fibers retain up to 93% of performance compared to the reference, making them suitable for structural applications requiring moderate to high performances.
SCIENTIFIC REPORTS
(2022)
Article
Chemistry, Physical
Zhenzhen Wang, Shipan Liang, Xiaoyan Meng, Shanjun Mao, Xu Lian, Yong Wang
Summary: The role of mass transport for bubble generation reaction in FA dehydrogenation has been overlooked for a long time, limiting the TOF values of most catalysts to less than 1000 h(-1). By proposing a design principle of efficient catalyst with synergism of highly active catalytic components and developed porous structure for effective mass transport, a Pd60Au40/HPC-NH2 catalyst with ultrasmall nanoparticles has been developed, exhibiting TOF values up to 3763 h(-1) at room temperature and 29,210 h(-1) at 323 K.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Yongwoo Kim, Hwangho Lee, Seungdo Yang, Jaeha Lee, Hyungjoo Kim, Sungha Hwang, Se Won Jeon, Do Heui Kim
Summary: By rationally designing a catalyst structure, ultrafine Pd nanoparticles supported on carbon nanotubes were successfully synthesized, significantly enhancing the activity of the formic acid dehydrogenation reaction.
JOURNAL OF CATALYSIS
(2021)
Article
Chemistry, Physical
Yiyue Ding, Wenfang Peng, Lei Zhang, Jianhui Xia, Gang Feng, Zhang-Hui Lu
Summary: In this study, ultrafine Pd-Cr(OH)3/AFMS catalysts were successfully synthesized and demonstrated efficient catalytic activity for hydrogen evolution from formic acid without additives. The catalyst exhibited comparable catalytic performance to other highly efficient catalysts under similar reaction conditions.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Biochemistry & Molecular Biology
Atsushi Hirano, Momoyo Wada, Takehiro K. Sato, Tomoshi Kameda
Summary: This study found that organic solvents can effectively stabilize hydrophobic amino acid side chains in the liquid phase, with formic acid and HFIP being comparably effective in stabilizing the polypeptide backbone, while acetic acid and isopropanol were ineffective.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Nanoscience & Nanotechnology
Run-dong Ding, Dan-dan Li, Yu-lin Li, Jie-hui Yu, Ming-jun Jia, Ji-qing Xu
Summary: Ultrafine and well-dispersed PdAu bimetallic nanoparticles were successfully immobilized on amine-containing UiO-66 frameworks using a double-solvent impregnation method. The resulting PdAu/UiO-66 catalysts exhibited higher catalytic activity and stability due to the formation of highly dispersed PdAu alloy NPs and metal-support interaction.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Organic
Mingyeong Jang, Taeho Lim, Byoung Yong Park, Min Su Han
Summary: This study presents a metal-free and highly chemoselective method for the reduction of aromatic nitro compounds, using tetrahydroxydiboron as the reductant. The reaction can be completed within 5 minutes at room temperature and selectively converts nitroarenes with sensitive functional groups into anilines.
JOURNAL OF ORGANIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Si-Mou Zou, Jian-Peng Wang, Min-Hua Zong, Zhi-Lin Wang, Zhao-Juan Zheng, Ning Li
Summary: A one-pot photoenzymatic route for the conversion of furfural into maleic acid (MA) and its C4 derivatives has been developed. Xanthine oxidase and Pseudomonas aeruginosa aldehyde dehydrogenase were efficient biocatalysts for furfural oxidation, with the latter showing higher tolerance to enzyme inactivation. Immobilization of eosin Y on a macroporous adsorptive resin could prevent enzyme inactivation, leading to the successful production of MA with high yield. The cascade reaction was also extended to produce fumaric acid and d-malic acid.
Article
Chemistry, Physical
Zongji Zhang, Dawei He, Zhou Wang, Shaobo Wu, Tong Liu
Summary: Heterogeneous catalysis of formic acid dehydrogenation is considered a promising strategy for safe and efficient hydrogen production and transportation. This study reports the immobilization of bimetallic PdCr nanoparticles on amine-functionalized titanium carbides (PdCr/NH2-MXene). The introduction of the amine group not only helps disperse ultrafine PdCr nanoparticles on MXene but also enhances catalytic activity for formic acid dehydrogenation. The optimized Pd0.7Cr0.3/NH2-MXene system exhibits excellent catalytic performance.
JOURNAL OF CATALYSIS
(2022)
Article
Chemistry, Physical
Lavanya L. Mittapelli, Kiran R. Gore
Summary: This study presents a novel method for transesterification reaction, which achieves efficient and rapid synthesis of esters under solvent-free conditions with the catalyst LiHMDS. The method shows promising application potential for industrial synthesis of esters.
CATALYSIS COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Limin Song, Kaiyuan Tan, Yingyue Ye, Baolin Zhu, Shoumin Zhang, Weiping Huang
Summary: In today's age of resource scarcity, the development and utilization of low-cost renewable energy sources have garnered significant global attention. This study utilized modified cheap natural halloysite nanotubes as supports for metal catalysts, resulting in highly efficient catalytic performance.
Article
Chemistry, Physical
Shi-Lei Zhang, Si-Jia Li, Jia-Yun Wang, He-Nan Shang, Ya-Xuan Bai, Jin-Sheng Liang
Summary: Hydrogen generation from formic acid decomposition is a promising route in hydrogen energy application. A catalyst with NiAuPd nanoparticles supported on amine-functionalized carbon nanotubes using formic acid as the reducing agent exhibits excellent catalytic performance for hydrogen production.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Dong-Chang Kang, Seung Hee Pyen, Eun-Jeong Kim, Young Woo Kim, Young-Woong Suh, Dong-Pyo Kim, Chae-Ho Shin, Hyung-Ki Min
Summary: The study investigated the dehydration of formic acid over supported phosphotungstic acid (HPW) catalysts for the production of hydrogen-free carbon monoxide (CO). The acidity of the catalysts was influenced by the type of support (SiO2, Al2O3, ZrO2, and TiO2) and HPW content (0.0-20.0 wt.%), as shown by IPA-TPD and Py-IR. The catalytic activity exhibited a volcano-type distribution with the HPW content, reaching a maximum at 15 wt.%. The catalytic activity was more closely related to the density of Bronsted acids and inversely proportional to the propylene desorption peak temperature during IPA-TPD. The presence of strongly adsorbed H2O during formic acid dehydration led to catalyst deactivation, especially at lower reaction temperatures (<230 degrees C).
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2023)
