Results 131 to 140 of about 57,264 (283)

Thermal decarboxylation of demineralized Turkish Beypazari lignite by the catalytic effect of Cr2+, Fe2+ and Co2+ [PDF]

open access: yes, 2009
Demineralized Beypazari lignite were thermally decarboxylated using Cr2+, Fe2+ and Co2+ as decarboxylation catalysts. Effective loadings of Cr2+, Fe2+ and Co2+ were 2%, 5% and 3%, respectively.
Kuru, Erkin   +7 more
core  

Catalytic Cleavage of Lignin C–C Bonds and Subsequent Amination: A Valorization Roadmap

open access: yesEcoEnergy, EarlyView.
By systematically integrating the reaction pathway and mechanisms underlying lignin C–C bond cleavage and the subsequent product amination, this review aims to provide guidance for the rational design of multifunctional catalytic systems capable of coupling bond cleavage and amination reactions.
Jingxuan Zhang   +6 more
wiley   +1 more source

The Catalysed Decarboxylation of Oxaloacetic Acid [PDF]

open access: yes, 1959
The nature of the chelate compounds formed by transition metal ions with oxaloacetic acid in aqueous solution, has been investigated spectrophotometrically and potentiometrically. The mechanism of the catalysed reaction has been clarified.
Hay, Robert W
core  

Enhanced Photocatalytic Antibiotic Micropollutants Removal Resulting From a Synergism Between Cu Single Atoms and Carbon Vacancies on Graphitic Carbon Nitride

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Scheme of the synergistic degradation for antibiotic micropollutants in the Cu/ag‐C3N4 system. Photocatalytic processes driven by visible‐light irradiation offer a sustainable means of micropollutants removal from aquatic environments without the addition of reagents.
Xiaozhe Song   +12 more
wiley   +1 more source

Synergistic Molecular Modulation of ππ Stacking for High‐Performance Pitch‐Derived Hard Carbon Anodes

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A synergistic molecular strategy is demonstrated to disrupt intrinsic ππ stacking in pitch, boosting 6‐fold sulfonation, yielding a hard carbon with 0.371 nm interlayer spacing and maximized closed pores, and achieving a high reversible capacity, remarkable rate capability (205.6 mAh g−1 at 2 A g−1) and cyclic stability.
Xiang Wang   +8 more
wiley   +1 more source

Oxidative decarboxylation of glucuronosides and the synthesis of xylitol

open access: yes, 2004
The purpose of this research was to develop a novel chemical synthesis of xylitol, which could potentially be implemented on an industrial scale. Principally, the oxidative decarboxylation of glucuronosides was pursued as a novel route to yield xylitol ...
Stapley, Jonathan A
core  

Liquid‐Mediated Kinetically Controlled Synthesis of Porous Carbon with Homogeneous Graphitic Networks for High‐Rate and High‐Loading Organic Supercapacitor

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Liquid‐mediated kinetic control reconstructs a “rigid–flexible” carbon precursor into homogeneously graphitized porous carbon. The resulting porous structure and homogeneous graphitic network accelerate ion/electron transport, enabling superior performance in high‐rate and high‐loading organic supercapacitors.
Boran Zhang   +8 more
wiley   +1 more source

Nucleophilic Reactions of Cyclobutenones and the Related 4,4‐Dichlorocyclobutenone Derivatives

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
Cyclobutenone derivates and their 4,4‐dichloro counterparts have an uninterrupted attention as useful synthons in the synthesis of complex organic molecules. Their nucleophilic reactions remain underexplored. This review brings attention to these reactions, whose outcome is not straightforward.
Sarah J. Wright   +2 more
wiley   +1 more source

Decarboxylation of Phenylalanine by Coenzyme Model Compounds

open access: yes
In non-enzymatic system in organic solvent-water using model compounds of vitamine B_6(v-B_6)and pyruvoyl group as coenzyme and proshetic group,respectively,phenylalanine(Phe)was decarboxylated to give phenethylamine(PEA).For decarboxylation catalysis,2 ...
増田, 好男   +14 more
core  

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