Results 81 to 90 of about 2,180 (202)

Spike‐Embedded Nanocatalysts via Metal‐Directed Carbonization for Highly Efficient and Robust Semi‐Hydrogenation

open access: yesAdvanced Science, Volume 13, Issue 43, 3 August 2026.
A metal‐directed carbonization strategy transforms hierarchical organic microspheres into spiky carbon catalysts with Pd nanoparticles embedded at the tips. This approach resolves the activity‐stability trade‐off, achieving exceptional poison resistance in semi‐hydrogenations, offering a versatile, scalable platform for designing high‐performance ...
Yintao Li   +9 more
wiley   +1 more source

Synthesis of Pyrrolnitrin and Related Halogenated Phenylpyrroles [PDF]

open access: yes, 2016
A general approach to halogenated arylpyrroles, including the antifungal natural product pyrrolnitrin, is described using newly synthesized halogenated pyrroles and 2,6-disubstituted nitrobenzenes or 2,6-disubstituted ...
Jason J. Hanthorn (2388787)   +2 more
core   +1 more source

Continuous Flow Photocatalytic Hydrogen‐Transfer Reduction of Benzaldehydes in a Helical Packed‐Bed Reactor

open access: yesChemCatChem, Volume 18, Issue 15, 14 August 2026.
Heterogeneous photocatalysis has attracted attention as a green alternative to thermal catalytic processes. However, continuous operation remains challenging due to mass‐transfer limitations and nonuniform light irradiation. Herein, we report a helical fixed‐bed photocatalytic flow reactor consisting of a FEP tube packed with TiO2‐coated zircon beads ...
Katsumi Tanimoto   +4 more
wiley   +1 more source

Visible light-photoinduced and Cu-catalyzed reduction of nitrobenzenes into anilines [PDF]

open access: yes
: A visible light-photoinduced and Cu-catalyzed reduction of nitrobenzenes using iPrOH as a green and renewable hydrogen source in aqueous HCl/iPrOH at room temperature has been developed.
Bal, Mathias   +6 more
core  

Nitrogen-15 Magnetic Resonance Spectroscopy. VII. Chemical Shifts of para-Substituted Nitrobenzenes [PDF]

open access: yes, 1966
The ^(15)N chemical shifts of a series of para-substituted nitrobenzenes have been measured. Comparison with the para-^(13)C chemical shifts in monosubstituted benzenes and with ^(19)F chemical shifts in para-substituted fluorobenzenes, indicates that ...
Roberts, John D., Clark, David T.
core  

Main Group Metals in Redox Catalysis

open access: yesEuropean Journal of Inorganic Chemistry, Volume 29, Issue 22, 1 August 2026.
Main group metal redox catalysis is emerging as a credible alternative to transition metal chemistry. Elements from groups 13 to 15 now enable diverse catalytic manifolds, driven by ligand design and control of electronic structure. This review highlights recent advances, key design principles, and remaining challenges, positioning main group metals as
Olympia Mouriki   +2 more
wiley   +1 more source

Environmental Impacts of Perovskite Solar Cell Materials: Transparency and Reproducibility Gaps, and Reporting Recommendations

open access: yesGlobal Challenges, Volume 10, Issue 8, August 2026.
Published life cycle inventories for materials used in perovskite solar cell layers were identified through a systematic review and remodeled. The results revealed large variations in environmental impact estimates for the same materials, including methylammonium iodide and formamidinium iodide.
A. Kamal Kamali   +3 more
wiley   +1 more source

Synthesis of Borneol‐Polymers as Fluorescent Sensors for Pollutant Detection

open access: yesMacromolecular Symposia, Volume 415, Issue 4, August 2026.
ABSTRACT In this work, a borneol‐derived monomer was employed to synthesize two novel copolymers, poly(vinyl acetate‐co‐bornyl methacrylate) (CopBM‐1) and poly(p‐acryloyloxybenzaldehyde‐co‐bornyl methacrylate) (CopBM‐2), via radical copolymerization. Both copolymers demonstrated aggregation‐induced emission in DMF at concentrations exceeding 0.04 wt.%.
Viorica‐Elena Podasca   +2 more
wiley   +1 more source

In Situ Reconstruction of Ag‐Doped Ni2P Electrocatalyst for Hydrogen Evolution and Value‐Added Acrylamide Conversion

open access: yesSmall, Volume 22, Issue 45, 13 August 2026.
We designed a bifunctional electrocatalyst to achieve anodic acrylamide oxidation reaction (AOR) for ethanol production and cathodic hydrogen evolution reaction (HER) to generate high‐value‐added products while reducing energy consumption. ABSTRACT Concurrent remediation of organic pollutants in wastewater and energy‐efficient hydrogen production is a ...
Dan Zhang   +7 more
wiley   +1 more source

Salt forms of the monoazo dye Mordant Orange 1

open access: yesActa Crystallographica Section C, Volume 82, Issue 8, Page 427-436, August 2026.
The crystal structures of eight salt forms of the carboxylate‐functionalized monoazo dye Mordant Orange 1 are presented and discussed, primarily in terms of their coordination behaviour.The crystal structures of eight salt forms of the carboxylate‐functionalized monoazo dye Mordant Orange 1 are presented and discussed, primarily in terms of their ...
Alan R. Kennedy   +4 more
wiley   +1 more source

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