Mechanochemically Engineered Bimetallic PtNi/CeO2 Catalysts for Enhanced Methane Steam Reforming [0.03%]
机械化学法工程PtNi/ CeO2双金属催化剂用于增强甲烷蒸汽重整反应
Andrea Braga,Marina Armengol-Profitós,Laia Pascua-Solé et al.
Andrea Braga et al.
Bimetallic PtNi/CeO2 catalysts were successfully synthesized via a mechanochemical approach, specifically ball milling, and evaluated for methane steam reforming (MSR). A fractional factorial design of experiments was employed to systematic...
Decoupling H‑Release and OH- Management at Pd@TiO2 Interfaces for Efficient Alkaline Hydrogen Oxidation Reaction [0.03%]
用于高效碱性氢氧化反应的Pd@TiO2界面H+释放和OH-管理解耦研究
Benjin Jin,Antti-Jussi Kallio,Nils Rieger et al.
Benjin Jin et al.
Operando-level insight into catalyst degradation and reaction mechanisms is essential for progress in the alkaline hydrogen oxidation reaction (HOR). Herein, these aspects are investigated using a core-shell Pd@TiO2/C catalyst synthesized b...
Julia Fernández-Vidal,Marc T M Koper
Julia Fernández-Vidal
Surface science has long provided the foundation for mechanistic understanding in electrocatalysis. In this perspective, we revisit its relevance through the lens of *H/*OH adsorption in the HUPD region of Pt and its role in CO electrooxida...
Visible-Light-Driven Benzylation of In Situ-Formed Imines Using Toluenes and Acridine Photocatalysis [0.03%]
可见光驱动的原位亚胺茋𬭩化苯基化反应研究
Beatriz Quevedo-Flores,Mario Martinez-Lopez,Loris Laze et al.
Beatriz Quevedo-Flores et al.
The selective formation of benzyl radicals through the homogeneous photooxidation of toluene derivatives, followed by deprotonation, is difficult to implement when the involved chemical species have low oxidation potentials. Here, we presen...
Heterobenzyl Chlorides as Linchpins for C-H Arylation via Sequential C-H Chlorination/Cross-Electrophile Coupling [0.03%]
通过连续的C-H氯化/交叉亲电偶联实现杂苄基氯作为C-H芳基化的支点
Jack T Floreancig,Marco A Lopez,Allison R Dick et al.
Jack T Floreancig et al.
Synthetic methods that use C-(sp3)-H bonds in carbon-carbon cross-coupling reactions are limited and often lack generality, particularly with substrates containing basic heterocycles. Here, we demonstrate the arylation of heterobenzylic C-H...
Enantioselective Olefin 1,2-Arylamination Catalyzed by a Planar Chiral Indenyl-Rhodium(III) Complex [0.03%]
平面手性茚基铑(III)催化烯烃的对映选择性芳胺化反应
Patrick Gross,Hyoju Choi,Wesley A Pullara et al.
Patrick Gross et al.
We report an enantioselective 1,2-arylamination of unactivated alkenes catalyzed by a chiral indenyl-Rh-(III) complex using Troc-protected hydroxylamine derivatives. This method enables efficient access to structurally diverse 2-aminotetral...
Inactive but Essential: The Role of the Inactive State of E49 in the Mechanism of the Alpha Subunit of Tryptophan Synthase and Its Stand-Alone Blueprint Zm BX1 [0.03%]
休眠但必不可少:无效状态E49在色氨酸合酶α亚基及其单体Zm BX1机制中的作用
Cristina Duran,Sílvia Osuna
Cristina Duran
The stand-alone version of the alpha subunit of tryptophan synthase (TrpA), ZmBX1, catalyzes the retro-aldol cleavage of indole-3-glycerol phosphate (IGP) at a catalytic efficiency that is approximately 144,000 times higher than that of iso...
Mn-Promoted Co/TiO2 Catalysts: Quantitative Analysis of Cobalt Polymorphs and Stacking Faults and Its Effect on Fischer-Tropsch Synthesis Performance [0.03%]
MN促进的Co/TiO2催化剂:Co多晶型物和层错的定量分析及其对费-托合成性能的影响
Danial Farooq,Lucy Costley-Wood,Sebastian Stockenhuber et al.
Danial Farooq et al.
The transition to net-zero emissions hinges on circular economy strategies that valorize waste and enhance resource efficiency. Among X-to-liquid (XTL) technologies, the Fischer-Tropsch (FT) process stands out for converting biomass, waste,...
FUT8 Catalysis Involves GDP-Fucose-Induced Loop Activation Promoting a Reaction at the SN1‑SN2 Frontier [0.03%]
FUT8催化涉及GDP-fucose诱导的环活化以在SN1至SN2前沿促进反应
Ignacio Sanz-Martínez,Tomás Tejero,Ramón Hurtado-Guerrero et al.
Ignacio Sanz-Martínez et al.
α1,6-Fucosyltransferase 8 (FUT8) catalyzes the core α1,6-fucosylation of N-glycans, a modification essential for the biological function of many mammalian glycoproteins. Despite its importance, the structural and mechanistic aspects of FU...
Stabilizing Pd Catalysts for Liquid-Phase Hydrogenation of N‑Heterocyclic Hydrogen Carriers through Zeolite Encapsulation [0.03%]
通过分子筛封装稳定Pd催化剂在液相N杂环氢载体中的氢化反应
Sara Ahsan,Sirinada Chanthachaiwat,Alexander Kvit et al.
Sara Ahsan et al.
N-Heterocyclic aromatics can reversibly store H2 through (de)-hydrogenation over supported Pd catalysts, but metal nanoparticles often sinter during liquid-phase reactions. Here, we report that the encapsulation of Pd nanoparticles in large...