Ni-Catalyzed Cyanation of (Hetero)Aryl Electrophiles Using the Nontoxic Cyanating Reagent K4[Fe(CN)6] [0.03%]
镍催化（杂）芳族亲电子试剂与无毒氰化剂K4[Fe(CN)6]的反应
Nicolas A Wilson,William M Palmer,Meredith K Slimp et al.
Nicolas A Wilson et al.
A Ni-catalyzed cyanation of aryl halides using potassium ferrocyanide (K4[Fe(CN)6]) as a nontoxic cyanide source has been developed. Key features of this method include the use of biphasic aqueous conditions to overcome the innate insolubil...
C 4-Symmetric Bowl-Shaped Diruthenium Tetracarboxylate Catalysts for Enantioselective C-H Functionalization Using Donor/Acceptor Carbenes [0.03%]
用于手性C-H官能团化的碗型四核羧酸配体diruthenium催化剂的对称性研究及D-A双功能卡宾配体的应用
Joshua K Sailer,John Bacsa,Huw M L Davies
Joshua K Sailer
Cationic diruthenium (II,III) tetracarboxylate catalysts have been shown to catalyze selective intermolecular C-H functionalization reactions using donor/acceptor carbenes in high yield and with high levels of enantioselectivity. The diruth...
Is Carbon Heteroatom Doping the Key to Active and Stable Carbon Supported Cobalt Fischer-Tropsch Catalysts? [0.03%]
碳杂原子掺杂是活性和稳定的钴基费托反应催化剂载体碳的关键因素吗？
Felix Herold,Dominic de Oliveira,Göran Baade et al.
Felix Herold et al.
Carbon supports are an interesting alternative to established oxidic catalyst supports for Co-based Fischer-Tropsch synthesis (FTS) catalysts as they allow high Co reducibility and do not suffer from the formation of Co/support compounds. T...
Unconventional Parahydrogen-Induced Hyperpolarization Effects in Chemistry and Catalysis: From Photoreactions to Enzymes [0.03%]
非常规的顺氢诱导极化在化学和催化中的作用：从光反应到酶
Andrey N Pravdivtsev,Ben J Tickner,Stefan Glöggler et al.
Andrey N Pravdivtsev et al.
Nuclear spin hyperpolarization utilizing parahydrogen has the potential for broad applications in chemistry, catalysis, biochemistry, and medicine. This review examines recent chemical and biochemical insights gained using parahydrogen-indu...
How to Tell an N from an O: Controlling the Chemoselectivity of Methyltransferases [0.03%]
如何分辨N和O：控制甲基转移酶的化学选择性
Emely Jockmann,Helena Girame,Wieland Steinchen et al.
Emely Jockmann et al.
S-Adenosyl-l-methionine (SAM)-dependent methyltransferases (MTs) are important enzymes in numerous biological pathways. They share a common S N 2 mechanism but act on different nucleophilic substrates in vivo. Therefore, MTs have a specific...
Tracking Charge Dynamics in a Silver Single-Atom Catalyst During the Light-Driven Oxidation of Benzyl Alcohol to Benzaldehyde [0.03%]
银单原子催化剂在苯甲醇光催化氧化制取苯甲醛过程中电荷动力学行为研究
Areti Moutsiou,Andrea Olivati,Luis A Cipriano et al.
Areti Moutsiou et al.
Understanding charge transfer in light-driven processes is crucial for optimizing the efficiency and performance of a photocatalyst, as charge transfer directly influences the separation and migration of photogenerated charge carriers and d...
Low-Temperature Direct Oxidation of Propane to Propylene Oxide Using Supported Subnanometer Cu Clusters [0.03%]
负载亚纳米铜簇低温催化制丙烯醇技术
Avik Halder,Robert E Warburton,Geng Sun et al.
Avik Halder et al.
Propylene oxide, a key commodity of the chemical industry for a wide range of consumer products, is synthesized through sequential propane dehydrogenation and epoxidation reactions. However, the lack of a direct catalytic route from propane...
Benedikt N Baumann,Phong Dam,Jabor Rabeah et al.
Benedikt N Baumann et al.
We report the cyclotrimerization reactions of triynes using Mn(I) complexes derived from MnBr(CO)5 and phosphine ligands, such as 1,1-bis(diphenylphosphino)methane (dppm). These reactions are driven by irradiation under mild conditions (30-...
Engineering of Conserved Sequence Motif 1 Residues in Halohydrin Dehalogenase HheC Simultaneously Enhances Activity, Stability, and Enantioselectivity [0.03%]
保守序列基元1残基的工程化改造可以同时增强卤代烃脱卤酶HHEC的活性、稳定性和对映选择性
Sophie Staar,Miquel Estévez-Gay,Felix Kaspar et al.
Sophie Staar et al.
Halohydrin dehalogenases (HHDHs) are powerful enzymes for the asymmetric diversification of oxyfunctionalized synthons. They feature two characteristic sequence motifs that distinguish them from homologous short-chain dehydrogenases and red...
Outer-Sphere CO Release Mechanism in the Methanol-to-Syngas Reaction Catalyzed by a Ru-PNP Pincer Complex [0.03%]
甲醇到合成气反应中由Ru-PNP夹心配合物催化的外层CO释放机制
Jiali Liu,Raquel J Rama,Tomás Cordero-Lanzac et al.
Jiali Liu et al.
Methanol can be used as a surrogate molecule for CO and H2 in the synthesis of a large variety of chemicals. In this work, the mechanism for the methanol-to-syngas reaction catalyzed by a Ru-PNP complex was studied using density functional ...