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A heterogeneous Cu-catalyst immobilized on poly(3-carboxythiophene)-modified multi-walled carbon nanotubes for click reaction
Copper was anchored on poly[3-(carboxypropyl)thiophene-2,5-diyl]-modified multi-walled carbon nanotubes. The resulting novel catalytic platform...
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Application of Parallel Difference Tests to Resolve the Axial Activation–Deactivation Profile of Copper–Zinc Oxide Catalyst During Hydrogenation of Methyl Acetate
The deactivation of a copper–zinc oxide catalyst has been studied in a set of parallel tests which covered a range of space-times with equal flow and...
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The role of Cu1–O3 species in single-atom Cu/ZrO2 catalyst for CO2 hydrogenation
Copper-based catalysts for the hydrogenation of CO 2 to methanol have attracted much interest. The complex nature of these catalysts, however, renders...
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Copper-catalyzed asymmetric dearomatizing amination of 2-naphthols: Csp2–N coupling via 1,3-reductive elimination
An efficient catalytic asymmetric dearomatizing amination of 2-naphthols and phenols catalyzed by N,N ′-dioxide-copper(I) complex as a chiral catalyst...
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Copper immobilized on biomimetic assembled calcium carbonate/carboxymethylcellulose hybrid: a highly active recoverable catalyst for CuAAC reactions
A novel copper immobilized on biomimetic assembled carboxymethylcellulose/calcium carbonate hybrid (Cu II @CMC/CaCO 3 ) as an efficient heterogeneous...
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Copper-catalysed difluorocarbene transfer enables modular synthesis
The use of metal catalysts to produce and control the reactivity of carbenes has long offered a powerful approach to organic synthesis; however,...
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Influence of Pore Structure of Silica Coated on Copper-Zinc Oxide-Based Catalyst for Carbon Dioxide into Methanol
The present work has investigated influence of pore structure of silica coated on copper-zinc oxide-based catalyst for hydrogenation of carbon...
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Efficient and Convenient Transformation of CO2 into α‑Alkylidene Cyclic Carbonates over Reusable and Heterogeneous Cu-MCM-41 Supported Ionic Liquid Catalyst
The efficient conversion of CO 2 into value-added chemicals is of great importance. Herein, a type of transition metal-doped MCM-41 supported ionic...
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Polymer Supported Ferric Chloride as Heterogeneous Catalyst for Three Component Biginelli Reaction
Polymer supported ferric chloride catalyst is prepared and characterized by IR, SEM, TEM, EDS, TGA, ICP-MS and XRD. The heterogenized Lewis acid...
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CNTs-promoted Co-Cu Catalyst for Efficient Synthesis of Cinnamyl Alcohol from Hydrogenation of Cinnamaldehyde
With types of in-house-synthesized multi-walled carbon nanotubes (CNTs), highly active CNT-promoted Co-Cu catalysts, symbolized as Co i Cu j - x %CNTs...
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Trimetallic catalyst, prepared by ultrasonic -impregnation method for selective hydrogenation of acetylene: investigation of potassium addition to Fe-Pd/α-Al2O3 catalyst
Trimetallic Fe-Pd-K/α-Al 2 O 3 catalyst by using ultrasonic impregnation method and adding potassium to bimetallic Fe-Pd/α-Al 2 O 3 catalyst was...
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Targeted Degradation of a Heterogeneous Catalyst for Removal of Sulfamethoxazole from Wastewater
Metal-organic frameworks (MOFs) have alow activation efficiency of PS, which seriously hinders their catalytic applications in advanced oxidation...
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The Regulation of Surface Copper Species Coupled with Ammonia-Evaporation and Hydrothermal Aging Process to Enhance Catalytic Hydrogenation Properties of Cu–SiO2 Catalysts
The ammonia-evaporation method is one of the most commonly methods for preparing Cu–SiO 2 catalysts, and the improvement of this method is desirable....
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Construction of Fe3O4@BTH-Pyr-CuCl nanocomposite as a highly active magnetically reusable catalyst for arylation of a category of heterocycles
C–H arylation of heterocyclic compounds is a very interesting and important research field in chemistry for the formation of C–C bonds, but...
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Base-Free Aerobic Oxidation of Primary Alcohols to Aldehydes Catalyzed by 1,1-Di(pyridin-2-yl)urea-Functionalized SBA-15- Immobilized Copper(I) Iodide Complex
A highly efficient, heterogeneous copper(I)-catalyzed aerobic oxidation of primary aliphatic, allylic, propargylic and benzylic alcohols to aldehydes...
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Effect of Microwave Drying of Alumina Support on Properties of Cu/Al2O3 Catalyst for Synthesis of Dimethyl Ether via CO2 Hydrogenation
Carbon dioxide (CO 2 ) hydrogenation is an alternative catalytic reaction for the conversion of CO 2 into methanol and dimethyl ether (DME). Alumina is...
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Effect of a High Thermal Capacitance Core–Shell Structure on Co-Ru/SiO2 Catalyst for Low Temperature Fischer–Tropsch Synthesis
C ommercial cylindrical mesoporous silica pellets (3 mm diameter by 3–6 mm length) were modified by coring the pellets and inserting a 1 mm diameter...
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Preparation of porous silica microspheres using silica nanoparticles with different morphologies and their properties as catalyst carriers
The application of porous silica microspheres in the field of materials has made a breakthrough because of its unique properties. Nevertheless, owing...
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Catalytic Transfer Hydrogenation of Levulinate Ester into γ-Valerolactone Over Ternary Cu/ZnO/Al2O3 Catalyst
An effective catalytic transfer hydrogenation (CTH) process of bio-based levulinate esters into γ-valerolactone (GVL) was explored over ternary... -
Regeneration of the Slurry-Phase Hydroconversion Catalyst Precursor
AbstractThe relationships of the two-step regeneration of the slurry-phase hydroconversion catalyst separated as a component of a solid powder from...