An "On-Cycle" Precatalyst Enables Room-Temperature Polyfluoroarylation Using Sensitive Boronic Acids [0.03%]
一种“在循环中”的预催化剂 enabling 在室温下使用敏感的硼酸进行聚氟代芳基化反应
Liye Chen,Haydn Francis,Brad P Carrow
Liye Chen
The use of fluorinated arylboronic acid building blocks in cross-coupling has remained challenging due to their acute base sensitivity. We report a general solution to this problem using a true catalytic intermediate, Pd(PAd3)(p-FC6H4)Br, a...
Zirconium-Catalyzed Reductive Sulfonamidation of Amides and Its Application to Site-Selective N‑Alkylation of Pharmaceuticals [0.03%]
用于药物的酰胺的选择性脱氨及N-烷基化反应中的齐格勒试剂体系及硫酸氢盐促进的加氢硫氨素反应
Abhishek Raj,Weiheng Huang,Chabush Haldar et al.
Abhishek Raj et al.
The direct catalytic reductive amination of amides remains a challenging transformation, particularly when using weakly nucleophilic amines. However, this strategy offers several synthetic advantages, particularly due to the wide availabili...
Engineering Escherichia coli Pyruvate Metabolism to Generate Noncanonical Reducing Power [0.03%]
工程改造大肠杆菌丙酮酸代谢以产生非常规还原力
Derek Aspacio,Emma Luu,Suphanida Worakaensai et al.
Derek Aspacio et al.
The future of biomanufacturing is dependent on rewiring biological systems to establish an alternative approach to our current chemical industries. However, a key limitation in biomanufacturing is that desired processes must rely on the sam...
Metal-Oxide Interface Sites Created Using Atomic Layer Deposition and Tested for CO Oxidation [0.03%]
利用原子层沉积形成金属-氧化物界面位点并用于CO氧化反应研究
Wang Ke,Ilkeun Lee,Francisco Zaera
Wang Ke
The performance of catalysts made out of Pt supported on TiO2 thin films grown on SBA-15 (a silica mesoporous material) by atomic layer deposition (ALD) was characterized systematically by combining in situ infrared absorption spectroscopy ...
Operando Benchtop NMR Quantifies Carbonation, Water Crossover, and Liquid Products for High-Current Electrochemical CO2 Reduction [0.03%]
原位台式NMR量化高压条件下的二氧化碳电还原反应的固相碳酸盐、液相副产物及质子传递过程
Zhiyu Zhu,Kaan Zeki Çolakhasanoĝlu,Ruud L E G Aspers et al.
Zhiyu Zhu et al.
Operando characterization is crucial for understanding the selectivity and stability of the electrochemical CO2 reduction reaction (eCO2RR). Existing operando techniques normally use single-compartment cells operating at low currents. Howev...
Tuning the Molecular Structure and Reaction Mechanism of Olefin Metathesis by Model Bilayered Supported MoO x /AlO x /SiO2 Catalysts [0.03%]
模型双层支撑型钼基催化剂调控 olefin metathesis 反应机理和分子结构研究
Eli M Ream,Joseph I Thompson,Adhika Setiawan et al.
Eli M Ream et al.
The molecular structure and activity of supported MoO x olefin metathesis catalysts are heavily impacted by the choice of catalyst support. In this study, surface modification of the SiO2 support with AlO x and selective anchoring of the Mo...
Diving into the CO x Methanation Mechanism of CO and CO2 Mixtures Catalyzed by the Nanostructured NiO-CeO2 Catalyst [0.03%]
纳米结构NiO-CeO2催化剂催化CO和CO2混合物甲烷化机制的研究
Iván Martínez-López,Juan Bueno-Ferrer,Iris Martín-García et al.
Iván Martínez-López et al.
The CO2 methanation process in the presence of CO is a catalytic challenge toward the abatement of CO2 emissions from industrial exhaust gases with the goal of producing CH4 as a clean fuel. Herein, the CO x methanation mechanisms of a NiO-...
Acid-catalyzed, Three-component, Spontaneous Cascades of 1,3-Butadiynyl Propargylic Alcohols as a Route to Phthalan Derivatives [0.03%]
通过三组分自发级联反应合成菲烷衍生物的新策略：1,3-丁二炔丙烯醇的酸催化反应
Jingyang Shi,Thomas R Hoye
Jingyang Shi
We have established an ambient temperature, one-pot, acid-catalyzed, three-component process involving in situ formation of a tetrayne or triyne that spontaneously cyclizes to a benzyne intermediate. This is rapidly captured to give a diver...
Reductive Treatment of Ga-Pt-Supported Catalytically Active Liquid Metal Solutions (SCALMS) for Propane Dehydrogenation [0.03%]
用于丙烷脱氢的镓-铂负载型催化活性液态金属溶液（缩写为SCALMS）的制备及其性能研究
Nnamdi Madubuko,Tzung-En Hsieh,Nora Vorlaufer et al.
Nnamdi Madubuko et al.
A comprehensive investigation of the impact of hydrogen (H2) pretreatments on Ga-Pt supported catalytic active liquid metal solution (SCALMS) for propane dehydrogenation (PDH) is reported. Our approach bridges from model system investigatio...
GDE Stability in CO2 Electroreduction to Formate: The Role of Ionomer Type and Loading [0.03%]
离子体类型和负载量对二氧化碳电还原制甲酸中GDE稳定性的影响
Jose Antonio Abarca,Lucas Warmuth,Alain Rieder et al.
Jose Antonio Abarca et al.
The electrochemical reduction of CO2 (ERCO2) to formate is a promising decarbonization strategy, yet the long-term stability of gas diffusion electrodes (GDEs) remains a major bottleneck for large-scale implementation and technoeconomic via...