TaS2, TaSe2, and Their Heterogeneous Films as Catalysts for the Hydrogen Evolution Reaction [0.03%]
TaS₂、TaSe₂及其异质薄膜作为析氢反应催化剂的研究
Leyla Najafi,Sebastiano Bellani,Reinier Oropesa-Nuñez et al.
Leyla Najafi et al.
Metallic two-dimensional transition-metal dichalcogenides (TMDs) of the group 5 metals are emerging as catalysts for an efficient hydrogen evolution reaction (HER). The HER activity of the group 5 TMDs originates from the unsaturated chalco...
Antimony-Oxo Porphyrins as Photocatalysts for Redox-Neutral C-H to C-C Bond Conversion [0.03%]
基于抗坏血酸的卟啉光催化剂实现中性氧化还原C-H键到C-C键转化
Luca Capaldo,Martin Ertl,Maurizio Fagnoni et al.
Luca Capaldo et al.
The use of high-valent antimony-oxo porphyrins as visible-light photocatalysts operating via direct hydrogen atom transfer has been demonstrated. Computational analysis indicates that the triplet excited state of these complexes shows an ox...
Multifaceted Substrate-Ligand Interactions Promote the Copper-Catalyzed Hydroboration of Benzylidenecyclobutanes and Related Compounds [0.03%]
多方面的底物配体相互作用促进联苯环丁烷和相关化合物的铜催化氢硼化反应
Taeho Kang,Tuğçe G Erbay,Kane L Xu et al.
Taeho Kang et al.
A unified synthetic strategy to access tertiary four-membered carbo/heterocyclic boronic esters is reported. Use of a Cu(I) catalyst in combination with a modified dppbz ligand enables regioselective hydroboration of various trisubstituted ...
Structure and Mechanism of Pseudomonas aeruginosa PA0254/HudA, a prFMN-Dependent Pyrrole-2-carboxylic Acid Decarboxylase Linked to Virulence [0.03%]
铜绿假单胞菌PA0254/HudA(一种与毒力相关的prFMN依赖性的吡咯-2-羧酸去羧酶)的结构和机理研究
Karl A P Payne,Stephen A Marshall,Karl Fisher et al.
Karl A P Payne et al.
The UbiD family of reversible (de)carboxylases depends on the recently discovered prenylated-FMN (prFMN) cofactor for activity. The model enzyme ferulic acid decarboxylase (Fdc1) decarboxylates unsaturated aliphatic acids via a reversible 1...
Mechanistic Investigations of Ruthenium Catalyzed Dehydrogenative Thioester Synthesis and Thioester Hydrogenation [0.03%]
钌催化脱氢硫酯合成及硫酯加氢的机理研究
Michael Rauch,Jie Luo,Liat Avram et al.
Michael Rauch et al.
We have recently reported the previously unknown synthesis of thioesters by coupling thiols and alcohols (or aldehydes) with liberation of H2, as well as the reverse hydrogenation of thioesters, catalyzed by a well-defined ruthenium acridin...
Biocatalytic Aromaticity-Breaking Epoxidation of Naphthalene and Nucleophilic Ring-Opening Reactions [0.03%]
生物催化萘芳度断裂环氧化及亲核开环反应
Wuyuan Zhang,Huanhuan Li,Sabry H H Younes et al.
Wuyuan Zhang et al.
Aromatic hydroxylation reactions catalyzed by heme-thiolate enzymes proceed via an epoxide intermediate. These aromatic epoxides could be valuable building blocks for organic synthesis giving access to a range of chiral trans-disubstituted ...
Xiaoxu Qi,Tianning Diao
Xiaoxu Qi
1,2-Dicarbofunctionalization of alkenes has emerged as an efficient synthetic strategy for preparing substituted molecules by coupling readily available alkenes with electrophiles and/or nucleophiles. Nickel complexes serve as effective cat...
Octahedral Trifluoromagnesate, an Anomalous Metal Fluoride Species, Stabilizes the Transition State in a Biological Motor [0.03%]
八面体三氟化镁稳定生物马达的过渡态
Mengyu Ge,Robert W Molt Jr,Huw T Jenkins et al.
Mengyu Ge et al.
Isoelectronic metal fluoride transition state analogue (TSA) complexes, MgF3 - and AlF4 -, have proven to be immensely useful in understanding mechanisms of biological motors utilizing phosphoryl transfer. Here we report a previously unobse...
Catalytic Enantioselective Synthesis of β-Allenyl Boronic Esters by Conjunctive Cross-Coupling with Propargylic Carbonates [0.03%]
串联交叉偶联法催化合成β-烯丙亚胺酯类硼酸酯的新方法
Mark D Aparece,Weipeng Hu,James P Morken
Mark D Aparece
Enantioselective conjunctive cross-coupling with propargylic carbonates affords (β-boryl allenes as the reaction product. The reaction is found to proceed through the intermediacy of dimethoxyboronate complexes that are generated in situ b...
In Vitro Assembly as a Tool to Investigate Catalytic Intermediates of [NiFe]-Hydrogenase [0.03%]
体外重组研究[NiFe]氢化酶催化中间态物种
Giorgio Caserta,Christian Lorent,Vladimir Pelmenschikov et al.
Giorgio Caserta et al.
[NiFe]-hydrogenases catalyze the reversible reaction H2 ⇄ 2H+ + 2e-. Their basic module consists of a large subunit, coordinating the NiFe(CO)(CN)2 center, and a small subunit that carries electron-transferring iron-sulfur clusters. Here, ...