Suchergebnisse - "COPPER catalysts"

Silver or copper-catalyzed ring opening [3+2] annulation of 2-polyfluoroalkyl chromones/6-polyfluoroalkyl pyran-4H-ones with methylene isocyanides: regioselective synthesis of 3-polyfluoroalkyl pyrroles.

Autoren: Kochnev, Ivan A. Barkov, Alexey Yu.

Quelle: New Journal of Chemistry. 12/14/2025, Vol. 49 Issue 46, p20254-20263. 10p.

Schlagwörter: *SILVER catalysts, *COPPER catalysts, *RING formation (Chemistry), *REGIOSELECTIVITY (Chemistry), *PYRROLES, *FLUORINE compounds, *ISOCYANIDES, *CHEMICAL reactions

Copper(II)‐Catalyzed Enantioselective Addition of Alcohols and tert‐Butyl Hydroperoxide to Tryptanthrin‐Derived Ketimines.

Autoren: Xue, Leipeng Hou, Xinyu Yang, Jiaqi et al.

Quelle: Chinese Journal of Chemistry. 12/15/2025, Vol. 43 Issue 24, p3543-3549. 7p.

Schlagwörter: *COPPER catalysts, *ENANTIOSELECTIVE catalysis, *HETEROCYCLIC compounds, *ORGANIC solvents, *HYDROPEROXIDES, *IMINES, *STEREOSELECTIVE reactions

Copper-catalyzed four-component borocarbonylative allylation of vinyl arenes to β-boryl enones.

Autoren: Shao, Sufang Wu, Xiao-Feng

Quelle: Chemical Communications. 12/11/2025, Vol. 61 Issue 95, p18874-18877. 4p.

Schlagwörter: *COPPER catalysts, *BORON compounds, *CARBONYL compounds, *AROMATIC compounds, *ORGANIC synthesis, *CARBONYL group

Unveiling reaction mechanisms of copper-based catalysts for peroxymonosulfate activation in Fenton-like reactions for sustainable water decontamination.

Autoren: Cen, Peitong Li, Chenxi Lu, Siqin et al.

Quelle: New Journal of Chemistry. 12/7/2025, Vol. 49 Issue 45, p19498-19507. 10p.

Schlagwörter: *COPPER catalysts, *PEROXYMONOSULFATE, *REACTIVE oxygen species, *CATALYTIC activity, *CATALYTIC oxidation, *WASTEWATER treatment, *WATER purification, *BIODEGRADATION

New synthesis of substituted benzo-sulfonyl-amidine derivatives via C-N cross-coupling reactions of carbodiimides, sodium arylsulfinates, and aryl halides.

Autoren: Nematpour, Manijeh¹ (AUTHOR) m.nematpour@cfu.ac.ir

Quelle: Phosphorus, Sulfur & Silicon & the Related Elements. 2025, Vol. 200 Issue 12, p1071-1077. 7p.

Schlagwörter: *CHEMICAL synthesis, *COPPER catalysts, *CHEMICAL reactions, *ARYL halides, *BENZENESULFONATES, *AMINE derivatives, *CARBODIIMIDES, *SULFONIC acids

Copper‐Catalyzed Trifluoromethylalkynylation via Radical‐Mediated Multicomponent Process.

Autoren: Zhang, Mai Ni, Jia Ma, Mengtao et al.

Quelle: Chemistry - An Asian Journal. Nov2025, p1. 7p. 4 Illustrations.

Schlagwörter: *COPPER catalysts, *REGIOSELECTIVITY (Chemistry), *ALKENE derivatives, *FLUOROFORM, *TRIFLUOROMETHYLANILINE, *CHEMICAL reactions, *ALKYNES, *FREE radical reactions

Hollow core–shell 30Cu6Ce/0.6Si@Ti catalysts for 1,4-butynediol synthesis via ethynylation of formaldehyde: the formation path of polyacetylene.

Autoren: Yang, Guihua Wang, Rui Chen, Jiali et al.

Quelle: New Journal of Chemistry. 11/28/2025, Vol. 49 Issue 44, p19206-19217. 12p.

Schlagwörter: *COPPER catalysts, *POLYACETYLENES, *CATALYSTS, *CHEMICAL stability, *GLYCOLS, *RAMAN spectroscopy, *ALKYLATION

From Dopant Periodicity to Asymmetric Sites: Steering C─C Coupling in Single‐Atom Alloy Catalysts for Electrochemical CO2 Reduction.

Autoren: He, Tianwei Sun, Rongxing Shi, Ran et al.

Quelle: Angewandte Chemie International Edition. Nov2025, p1. 11p. 6 Illustrations.

Schlagwörter: *CARBON dioxide reduction, *COPPER catalysts, *CATALYSIS, *CATALYSTS, *CATALYST structure, *COUPLING reactions (Chemistry), *BINDING sites, *GREEN fuels

Copper‐Catalyzed Enantioselective Radical Desymmetrizing Cyclization of Cyclopentenes: Access to Chiral 2‐Azabicyclo[2.2.1]Heptan‐3‐ones.

Autoren: Zhong, Jing Li, Mengxian Ma, Jiao et al.

Quelle: Angewandte Chemie International Edition. Nov2025, p1. 11p. 5 Illustrations.

Schlagwörter: *COPPER catalysts, *CHIRAL centers, *DENSITY functional theory, *RING formation (Chemistry), *CHIRALITY, *MECHANISM (Philosophy), *CYCLOPENTENES, *STEREOSELECTIVE reactions

Copper‐Catalyzed Cascade Annulation of 2‐Aminopyridines With Alkynoates: Synthesis of N‐(2‐Pyridyl)‐2‐Pyridone.

Autoren: Xie, Wenhui Wu, Xinyi Guo, Yan et al.

Quelle: ChemistrySelect. 11/24/2025, Vol. 10 Issue 44, p1-7. 7p.

Schlagwörter: *COPPER catalysts, *AMINOPYRIDINES, *ALKYNES, *CHEMICAL synthesis, *PYRIDONE, *MICHAEL reaction, *PYRIDINE derivatives, *NUCLEOPHILIC addition (Chemistry)

Depoisoning Catalysts by Atomic Layer Etching.

Autoren: Smith, Taylor G. Morphet, Daniel R. Yan, Zhifei et al.

Quelle: ChemCatChem. 11/24/2025, Vol. 17 Issue 22, p1-7. 7p.

Schlagwörter: *CARBON dioxide reduction, *COPPER catalysts, *CATALYSTS, *PLASMA etching, *DECONTAMINATION (From gases, chemicals, etc.), *ELECTROLYSIS, *SURFACE roughness, *TRANSITION metals

Unlocking High‐Concentration PET Upcycling via Site‐Decoupled Copper Catalysis.

Autoren: Gang, Chuan Tian, Jingqing Ma, Bing et al.

Quelle: Angewandte Chemie. 11/24/2025, Vol. 137 Issue 48, p1-11. 11p.

Schlagwörter: *COPPER catalysts, *PLASTIC recycling, *CARBON-based materials, *CIRCULAR economy, *CATALYST poisoning, *CATALYSIS

Cu(I)‐Catalyzed N‐Mono‐ and N,O‐Diallylation of Nitroaromatic Compounds Using Allylic Borane‐Amine Adducts.

Autoren: Alexeev, Michael S. Rodionov, Alexey N. Kuznetsov, Nikolai Yu.

Quelle: European Journal of Organic Chemistry. 11/20/2025, Vol. 28 Issue 42, p1-10. 10p.

Schlagwörter: *NITROAROMATIC compounds, *COPPER catalysts, *ALLYLATION, *ALKYLATION, *CHEMICAL kinetics, *RING formation (Chemistry)

Photoinduced copper-catalyzed cross-coupling of epoxides and alkynes via radical anions.

Autoren: Yang, Chen Chen, Zunsheng Wu, Zhengze et al.

Quelle: Green Chemistry. 11/21/2025, Vol. 27 Issue 43, p13651-13657. 7p.

Schlagwörter: *COPPER catalysts, *COUPLING reactions (Chemistry), *ALKYNES, *CHEMICAL synthesis, *RADICAL anions, *PHOTOCATALYSIS, *ORGANIC compounds, *EPOXY compounds

Asymmetric Acetylene Activation Enables Enhanced Electrochemical Ethylene Formation Kinetics.

Autoren: Han, Yanran Cheng, Chuanqi Chen, Fanpeng et al.

Quelle: Angewandte Chemie. 11/17/2025, Vol. 137 Issue 47, p1-7. 7p.

Schlagwörter: *COPPER catalysts, *ETHYLENE synthesis, *NANOPARTICLES, *SUSTAINABLE chemistry, *ACETYLENE derivatives, *CHEMICAL kinetics, *ELECTRODE reactions, *ACETYLENE

Dual Spatial and Electronic Regulation in van der Waals Cu3Se2 Nanosheets for Electrocatalytic Acetylene Semi‐Hydrogenation.

Autoren: Lv, Diandong Bai, Rui Deng, Yanan et al.

Quelle: Angewandte Chemie. 11/17/2025, Vol. 137 Issue 47, p1-8. 8p.

Schlagwörter: *ETHYLENE synthesis, *COPPER catalysts, *ELECTRODE efficiency, *ELECTROCATALYSIS, *CATALYSTS, *VAN der Waals clusters

Regio‐, Stereo‐, and Enantioselective Copper‐Catalyzed Allylation of Sulfinylamines with Allenes.

Autoren: Zhu, Jie Zhao, Yue Ma, Shengming et al.

Quelle: Angewandte Chemie. 11/17/2025, Vol. 137 Issue 47, p1-9. 9p.

Schlagwörter: *COPPER catalysts, *ASYMMETRIC synthesis, *ALLENE, *ALLYLATION, *SULFOXIMINES, *ENANTIOSELECTIVE catalysis, *REGIOSELECTIVITY (Chemistry)

Computational Study on a Copper‐Catalyzed Atroposelective Dehydro‐Diels–Alder Reaction of Ynamide via Vinyl Cation: Mechanistic Investigations and Chiral Induction Model.

Autoren: Liu, Li‐Gao Liu, Ji‐Ren Wu, Hong‐Li et al.

Quelle: Chemistry - An Asian Journal. 11/17/2025, Vol. 20 Issue 22, p1-9. 9p.

Schlagwörter: *COPPER catalysts, *DIELS-Alder reaction, *YNAMIDES, *MECHANISM (Philosophy), *ASYMMETRIC synthesis, *STEREOSELECTIVE reactions, *CATIONS, *DENSITY functional theory

Phosphine‐Free NNN Pincer Supported Cu(II) Catalysts for Sustainable Multi‐Component Synthesis of Pyrazolines and Pyrimidines via Dehydrogenation of Renewable Primary Alcohols.

Autoren: Kukreti, Prashant Datta, Parth Chauhan, Rahul et al.

Quelle: Chemistry - An Asian Journal. 11/17/2025, Vol. 20 Issue 22, p1-9. 9p.

Schlagwörter: *COPPER catalysts, *PYRAZOLES, *SUSTAINABILITY, *PYRIMIDINES, *DEHYDROGENATION, *RENEWABLE natural resources, *PHOSPHINE, *CATALYSTS

Recyclable Copper Catalyst Supported Over Ceria for Acceptorless Dehydrogenative Synthesis of Quinolines.

Autoren: Parsai, Priya Choudhary, Neha Sahu, Rajib et al.

Quelle: Chemistry - An Asian Journal. 11/17/2025, Vol. 20 Issue 22, p1-10. 10p.

Schlagwörter: *COPPER catalysts, *QUINOLINE, *SUSTAINABILITY, *CATALYTIC dehydrogenation, *CERIUM oxides, *CATALYSTS, *WASTE recycling