Houng Kang,Christopher Uyeda
Houng Kang
A (pybox)Ni catalyst (pybox = pyridine-bis(oxazoline)) promotes the reductive cyclization of β-hydroxy 1,1-dichloroalkenes to form 2,3-dihydrofurans. The substrates for this reaction are conveniently prepared by an aldol addition followed ...
Transient Directing Group Enabled Pd-catalyzed γ-C(sp3)-H Oxygenation of Alkyl Amines [0.03%]
瞬态导向基团促进的钯催化伯胺γ-C-H氧化反应生成叔醇及叔酰胺化合物
Yan-Qiao Chen,Yongwei Wu,Zhen Wang et al.
Yan-Qiao Chen et al.
We report a general protocol for γ-C(sp3)-H acyloxylation and alkoxylation of free amines using 2-hydroxynicotinaldehyde as the transient directing group. In the presence of an electrophilic fluorinating bystanding oxidant and acetic acid,...
Nickel-Catalyzed, Stereospecific C-C and C-B Cross-Couplings via C-N and C-O Bond Activation [0.03%]
镍催化C-N和C-O键活化参与的立体选择性C-C和C-B交叉偶联反应
Jianyu Xu,Olivia P Bercher,Michael R Talley et al.
Jianyu Xu et al.
Highly enantioenriched benzylic and allylic amines and alcohols are readily available via asymmetric synthesis and in complex natural products. The development of mild, nickel-catalyzed cross-couplings of their derivatives has advanced the ...
Z-Selective Dienylation Enables Stereodivergent Construction of Dienes and Unravels a Ligand-Driven Mechanistic Dichotomy [0.03%]
锌选择性二烯基化实现非手性底物构建立体异构的1,3-和1,4-二烯及揭秘一种配体驱动的机制二分法
Hang T Dang,Viet D Nguyen,Graham C Haug et al.
Hang T Dang et al.
Development of stereoselective and efficient reactions for construction of conjugated dienes and polyenes has remained at the forefront of organic chemistry, due to their key roles in medicinal chemistry, organic synthesis, and materials sc...
Oxidative Photocatalytic Homo- and Cross-Coupling of Phenols: Nonenzymatic, Catalytic Method for Coupling Tyrosine [0.03%]
酚类的氧化光催化均偶联和交叉偶联：酪氨酸非酶催化的偶联催化方法
Kyle A Niederer,Philip H Gilmartin,Marisa C Kozlowski
Kyle A Niederer
The oxidative photocatalytic method for phenol-phenol homo-coupling and cross-coupling is described and isolated yields of 16-97% are obtained. Measured oxidation potentials and computed nucleophilicity parameters support a mechanism of nuc...
True Nature of the Transition-Metal Carbide/Liquid Interface Determines Its Reactivity [0.03%]
过渡金属碳化物/液体界面的真正性质决定了其反应性
Christoph Griesser,Haobo Li,Eva-Maria Wernig et al.
Christoph Griesser et al.
Compound materials, such as transition-metal (TM) carbides, are anticipated to be effective electrocatalysts for the carbon dioxide reduction reaction (CO2RR) to useful chemicals. This expectation is nurtured by density functional theory (D...
Flame Synthesis of Cu/ZnO-CeO2 Catalysts: Synergistic Metal-Support Interactions Promote CH3OH Selectivity in CO2 Hydrogenation [0.03%]
CO2氢化中CH3OH的选择性受金属和支撑的协同作用促进的影响：火焰合成Cu / ZnO-CeO2催化剂中的金属与支撑相互作用的影响研究
Jiadong Zhu,Diana Ciolca,Liang Liu et al.
Jiadong Zhu et al.
The hydrogenation of CO2 to CH3OH is an important reaction for future renewable energy scenarios. Herein, we compare Cu/ZnO, Cu/CeO2, and Cu/ZnO-CeO2 catalysts prepared by flame spray pyrolysis. The Cu loading and support composition were v...
Design of Cobalt Fischer-Tropsch Catalysts for the Combined Production of Liquid Fuels and Olefin Chemicals from Hydrogen-Rich Syngas [0.03%]
用于氢气资源丰富的合成气同时制备液体燃料和低碳烯烃的钴基费托催化剂设计
Kai Jeske,Ali Can Kizilkaya,Iván López-Luque et al.
Kai Jeske et al.
Adjusting hydrocarbon product distributions in the Fischer-Tropsch (FT) synthesis is of notable significance in the context of so-called X-to-liquids (XTL) technologies. While cobalt catalysts are selective to long-chain paraffin precursors...
Timothy B Boit,Ana S Bulger,Jacob E Dander et al.
Timothy B Boit et al.
Gayatri Kumari,Rifat Kamarudheen,Erwin Zoethout et al.
Gayatri Kumari et al.
Light absorption and scattering by metal nanoparticles can drive catalytic reactions at their surface via the generation of hot charge carriers, elevated temperatures, and focused electromagnetic fields. These photoinduced processes can sub...