Magnetic NiO nanoparticles confined within open ends MWCNTs: a novel and highly active catalyst for hydrogenation and synthesis of imines

RSC Advances ◽  
2016 ◽  
Vol 6 (63) ◽  
pp. 58805-58812 ◽  
Author(s):  
Gangquan Chen ◽  
Wenbin Gao ◽  
Xuejun Wang ◽  
Hongfei Huo ◽  
Wenzhu Li ◽  
...  
Keyword(s):  
Active Catalyst ◽  
The Novel ◽  
Nio Nanoparticles ◽  
Highly Active ◽  
Novel Catalyst

The novel catalyst is highly active for hydrogenation and synthesis of imines.

Synthesis and characterization of γ-Fe2O3@SiO2–(CH2)3–PDTC–Pd magnetic nanoparticles: a new and highly active catalyst for the Heck/Sonogashira coupling reactions

2019 ◽  
Vol 43 (23) ◽  
pp. 8930-8938 ◽  
Author(s):  
Zahra Tashrifi ◽  
Saeed Bahadorikhalili ◽  
Hossein Lijan ◽  
Samira Ansari ◽  
Haleh Hamedifar ◽  
...  
Keyword(s):  
Magnetic Nanoparticles ◽  
Active Catalyst ◽  
Synthesis And Characterization ◽  
Coupling Reactions ◽  
Sonogashira Coupling ◽  
Highly Active ◽  
Novel Catalyst

A novel catalyst is synthesized based on the immobilization of palladium on γ-Fe2O3@SiO2–(CH2)3–PDTC nanoparticles and is used as a highly active catalyst for the Heck/Sonogashira coupling reactions.

MCM-41-Immobilised Nitrogen and Sulfur Mixed Tridentate Palladium(0) Complex: A Highly Efficient and Recyclable Catalyst for the Suzuki Reaction of Aryl Bromides in Air

2017 ◽  
Vol 41 (3) ◽  
pp. 186-191 ◽  
Author(s):  
Dayi Liu ◽  
Pingping Wang ◽  
Jingting Ai ◽  
Mingzhong Cai
Keyword(s):  
Hydrazine Hydrate ◽  
Active Catalyst ◽  
Suzuki Reaction ◽  
Significant Loss ◽  
Recyclable Catalyst ◽  
The Novel ◽  
Highly Efficient ◽  
Highly Active ◽  
Aryl Bromides ◽  
Mcm 41

The novel MCM-41-immobilised nitrogen and sulfur mixed tridentate palladium(0) complex [MCM-41-2N,S-Pd(0)] was prepared from 3-(2-aminoethylamino)propyltrimethoxysilane by immobilisation on MCM-41, followed by reaction with thiophene-2-carboxaldehyde and PdCl2 and then reduction with hydrazine hydrate. This phosphine-free heterogeneous palladium(0) complex was a highly active catalyst for the Suzuki reaction of aryl bromides in air and could be recycled at least 8 times without significant loss of activity.

scholarly journals A rapid and efficient synthetic route to terminal arylacetylenes by tetrabutylammonium hydroxide- and methanol-catalyzed cleavage of 4-aryl-2-methyl-3-butyn-2-ols

2011 ◽  
Vol 7 ◽  
pp. 426-431 ◽  
Author(s):  
Jie Li ◽  
Pengcheng Huang
Keyword(s):  
Reaction Time ◽  
Active Catalyst ◽  
Catalyst System ◽  
Synthetic Route ◽  
Reaction Conditions ◽  
Tetrabutylammonium Hydroxide ◽  
Highly Active ◽  
Novel Catalyst ◽  
Usual Reaction

Tetrabutylammonium hydroxide with methanol as an additive was found to be a highly active catalyst for the cleavage of 4-aryl-2-methyl-3-butyn-2-ols. The reaction was performed at 55–75 °C and gave terminal arylacetylenes in good to excellent yields within several minutes. Compared with the usual reaction conditions (normally >110 °C, several hours), this novel catalyst system can dramatically decrease the reaction time under much milder conditions.

Co3O4-CuCoO2 hybrid nanoplates as a low-cost and highly active catalyst for producing hydrogen from ammonia borane

2021 ◽  
Author(s):  
Yufa Feng ◽  
Jinyun Liao ◽  
Xiaodong Chen ◽  
Qingyu Liao ◽  
Huize Wang ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Active Catalyst ◽  
Low Cost ◽  
Ammonia Borane ◽  
Catalytic Materials ◽  
Highly Active ◽  
Promising Strategy

Developing low-cost and highly active hydrolysis catalytic materials for the dehydrogenation of hydrogen-rich chemicals is a promising strategy to store and easily release hydrogen for fuel cell applications. In this...

Preparation of PdAuCu/C as a Highly Active Catalyst for the Reduction of 4‐Nitrophenol by Controlling the Deposition of Noble Metals

2020 ◽  
Author(s):  
Ying Duan ◽  
Yangyang Ma ◽  
Yanfu Xie ◽  
Dongmi Li ◽  
Dongsheng Deng ◽  
...  
Keyword(s):  
Noble Metals ◽  
Active Catalyst ◽  
Highly Active

Miniature Fuel Processors for Portable Fuel Cell Power Supplies

2002 ◽  
Vol 756 ◽  
Author(s):  
Jamie Holladay ◽  
Evan Jones ◽  
Daniel R. Palo ◽  
Max Phelps ◽  
Ya-Huei Chin ◽  
...  
Keyword(s):  
Water Management ◽  
Carbon Monoxide ◽  
Fuel Cell ◽  
Power Loss ◽  
Power Supplies ◽  
The Novel ◽  
Methanol Reforming ◽  
Fuel Cell Stack ◽  
Portable Power ◽  
Novel Catalyst

ABSTRACTMiniature and microscale fuel processors that incorporate novel catalysts and microtechnology-based designs are discussed. The novel catalyst allows for methanol reforming at high gas hourly space velocities of 50,000 hr-1 or higher while maintaining a carbon monoxide levels at 1% or less. The microtechnology-based designs extremely compact and lightweight devices. The miniature fuel processors, with a volume less than 25 cm3, a mass less than 200 grams, and thermal efficiencies of up to 83%, nominally provide 25 to 50 watts equivalent of hydrogen, which is ample for the portable power supplies described here. With reasonable assumptions on fuel cell efficiencies, anode gas and water management, parasitic power loss, the energy density was estimated at 1700 Whr/kg. These processors have been demonstrated with a CO cleanup method and a fuel cell stack. The microscale fuel processors, with a volume of less than 0.25 cm3 and a mass of less than 1 gram, are designed to provide up to 0.3 watt equivalent of power with efficiencies over 20%.

Crystal structure of meso ‐substituted pyrazolyl porphyrin complexes and their highly active catalyst for oxidation of alkylbenzenes

2017 ◽  
Vol 32 (3) ◽  
pp. e4184 ◽  
Author(s):  
Yahong Yao ◽  
Yanxia Du ◽  
Jun Li ◽  
Chen Wang ◽  
Zengqi Zhang ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Active Catalyst ◽  
Highly Active

Ir/SiO2 as a Highly Active Catalyst for the Selective Reduction of NO with CO in the Presence of O2 and SO2.

ChemInform ◽  
2004 ◽  
Vol 35 (5) ◽  
Author(s):  
Masaaki Haneda ◽  
Tomohiro Yoshinari ◽  
Kazuhito Sato ◽  
Yoshiaki Kintaichi ◽  
Hideaki Hamada
Keyword(s):  
Active Catalyst ◽  
Selective Reduction ◽  
Reduction Of No ◽  
Highly Active
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