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Fluxionality of Subnano Clusters Reshapes the Activity Volcano of Electrocatalysis

The Sabatier activity volcano provides intuitive guide for catalyst design, but also imposes fundamental limitations on the composition and maximal activity of catalysts. We show that the ORR activity volcano is shifted and reshaped by the potential-dependent fluxionality of subnano cluster catalysts. Fluxionality causes the typically under-binding...

Metal‐Enabled Reactions of Nitrenes with Alkynes: Beyond Gold Catalysis

Radical radicals: The facile generation of acyl nitrenes, their enantioselective reaction with alkynes and their applications in the preparation of biologically interesting architectures, remain significant targets. This review focuses on the recent advances of the reaction of nitrenes with alkynes under metal catalysis according to the mechanistic...

Enzyme‐mediated synthesis of Molnupiravir: paving the way for the application of biocatalysis in pharmaceutical industry

Nowadays, the use of enzyme-mediated processes in the industry for API manufacturing is gaining ground concerning traditional chemical methods. This Concept article addresses recent enzymatic and chemo-enzymatic strategies for the synthesis of the anti-COVID-19 agent Molnupiravir Abstract Molnupiravir (Lagevrio®) is an orally-administered anti-COVID-19...

Tailoring interfacial microenvironment of palladium‐zeolite catalysts for the efficient low‐temperature hydrodeoxygenation of vanillin in water

Creation of interfacial microenvironment between Pd nanoparticles and acidic sites greatly enhanced the efficiency in the chemoselective hydrodeoxygenation of vanillin to 2-methoxy-4-methylphenol. Abstract Efficient low-temperature hydrodeoxygenation (HDO) of lignin derivatives to produce biofuels and high value-added chemicals is still of challenge....

Regulating Surface‐Interface Structures of Zn‐Incorporated LiAl‐LDH Supported Ru Catalysts for Efficient Benzene Hydrogenation to Produce Cyclohexene

A new strategy was employed to regulate surface-Interface structures of Zn-Incorporated LiAl-LDH Supported Ru Catalysts and the generation of appropriate surficial/interfacial Ru0/Ruδ+−O−Zn sites, as well as the existence of abundant hydroxyl groups on supports, could facilitate the benzene adsorption and the cyclohexene desorption, thereby remarkably...

Accelerating the Photocatalytic Atom Transfer Radical Addition Reaction Induced by Bi2O3 with Amines: Experiment and Computation

Boosting Bi photocatalysis. The photocatalytic ATRA reaction mediated by Bi2O3 can be accelerated through the addition of certain amines. The key role of the amines is to ensure a thermodynamic stabilization of the homogeneous bismuth-based photocatalytic active species, namely a BimBrn-solvato complex, to yield the stabilized BiBr3amine-based complex,...

On‐purpose Ethylene Production via CO2‐assisted Ethane Oxidative Dehydrogenation: Selectivity Control of Iron Oxide Catalysts

That's what we want: Ni/Fe molar ratio can be used as a catalyst descriptor, for the xFe/zNiMgZr system, that significantly affects the C−H bond scission, resulting in ethylene production and not the undesired pathway of C−C bond cleavage for syngas generation. Abstract The potential of on-purpose ethylene production, in parallel with CO2 conversion...

Silicon Carbide Supported Liquid Phase (SLP) Hydroformylation Catalysis – Effective Reaction Kinetics from Continuous Gas‐phase Operation

Closeup! The gas-phase hydroformylation of 1-butene using supported liquid phase (SLP) catalysts made of Rh-diphsophite complexes was investigated in detail, including the reactant's side reactions hydrogenation and isomerization. Abstract The hydroformylation reaction is one of the most important applications of homogeneous catalysis on an industrial...

Palladium/Brønsted Acid Catalysis for Hydrofunctionalizations of Alkynes: From Tsuji‐Trost Allylations to Stereoselective Methodologies

Palladium catalysts, in the presence of Brønsted acids, enable Tsuji-Trost functionalizations using simple alkyne derivatives. The in situ formation of transient, electrophilic allyl-palladium species is the key to promote new catalytic C−C and C−Het bond forming transformations with complete atom-economy. This reactivity finds many applications including...

Solidified and Immobilized Heteropolyacids for the Valorization of Lignocellulose

The Front Cover shows the valorisation of lignocellulose to various value-added chemicals. Here hydrogenation and dehydrogenation reactions play a crucial role, which can be catalysed by acids. Heteropolyacids are especially promising because they possess an adaptable Brønsted acidity. Due to their good solubility in water and organic solvents, recycling...

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