E-H Bond Cleavage Processes in Reactions of Heterometallic Phosphinidene-Bridged MoRe and MoMn Complexes with Hydrogen and p-Block Element Hydrides [0.03%]
含H-E键的异金属磷化物桥联钼铼和钼锰配合物与氢气及p区元素氢化物反应中的裂解过程研究
M Angeles Alvarez,M Esther García,Daniel García-Vivó et al.
M Angeles Alvarez et al.
Reactions of complexes [MoMCp(μ-PMes*)(CO)6] with H2 and several p-block element (E) hydrides mostly resulted in the cleavage of E-H bonds under mild conditions [M = Re (1a) and Mn (1b); Mes* = 2,4,6-C6H2tBu3]. The reaction with H2 (ca. 4 ...
Synthesis of Ti Complexes Supported by an ortho-terphenoxide Ligand and their Applications in Alkyne Hydroamination Catalysis [0.03%]
由邻位三苯甲氧基配体支撑的钛配合物的合成及其在炔烃氢氨基化催化中的应用
Steven K Butler,Ethan P Ashbrook,Ian A Tonks
Steven K Butler
The synthesis of a series of Ti complexes of an aryl-linked bis-phenoxide ligand, 3,3''-di-tert-butyl-5,5''-dimethyl-[1,1':2',1''-terphenyl]-2,2''-bis(olate), (TPO)H2, is reported. This ortho-linked terphenyl ligand builds on previously rep...
Copper-Mediated Fluoroalkylation of Aryl Bromides and Chlorides Enabled by Directing Groups [0.03%]
导向基团促进的铜催化芳卤的氟代烷基化反应
Jonathan R Hall,Isaac M Blythe,Liam S Sharninghausen et al.
Jonathan R Hall et al.
This report describes the reactions between N-heterocyclic carbene copper(I) fluoroalkyl complexes and aryl halides bearing ortho-directing groups. Pyridine, pyrazole, oxazoline, imine, and ester directing groups are shown to dramatically e...
Seven-Membered Cyclic Diamidoalumanyls of Heavier Alkali Metals: Structures and C-H Activation of Arenes [0.03%]
heavier alkali金属的大环二胺烷基化合物的结构及芳烃的C-H活化
Han-Ying Liu,Michael S Hill,Mary F Mahon et al.
Han-Ying Liu et al.
Like the previously reported potassium-based system, rubidium and cesium reduction of [{SiNDipp}AlI] ({SiNDipp} = {CH2SiMe2NDipp}2) with the heavier alkali metals [M = Rb and Cs] provides dimeric group 1 alumanyl derivatives, [{SiNDipp}AlM]...
Micellar Catalysis as a Tool for C-H Bond Functionalization toward C-C Bond Formation [0.03%]
micelles催化的C-H键活化偶联反应研究进展
Elena Borrego,Ana Caballero,Pedro J Pérez
Elena Borrego
Micelles generated upon dissolving surfactants in water can be employed as nanovessels for catalytic transformations, in the so-called micellar catalysis methodology. This review is focused on the use of micellar catalysis in the context of...
Mechanism and Selectivity of Copper-Catalyzed Bromination of Distal C(sp3)-H Bonds [0.03%]
铜催化远程C(sp³)-H溴化反应的机制和选择性研究
Manjaly J Ajitha,Brandon E Haines,Djamaladdin G Musaev
Manjaly J Ajitha
Unactivated C(sp3)-H bonds are the most challenging substrate class for transition metal-catalyzed C-H halogenation. Recently, the Yu group [Liu, T.; Myers, M. C.; Yu, J. Q. Angew. Chem., Int. Ed.2017, 56 (1), 306-309] has demonstrated that...
Unexpected Latency of Z-Stereoretentive Ruthenium Olefin Metathesis Catalysts Bearing Unsymmetrical N-heterocyclic Carbene or Cyclic(alkyl)(amino)carbene Ligands [0.03%]
不对称N-杂环卡宾和环（烷基）氨基甲酰基配体的Z-立体选择性钌烯烃复分解催化剂的意外迟滞效应
Łukasz Grzesiński,Mariusz Milewski,Maryana Nadirova et al.
Łukasz Grzesiński et al.
A set of ruthenium complexes bearing a CAAC or uNHC ligand and a dithiocatechol fragment have been obtained and characterized spectroscopically. The activity and Z-selectivity of the newly obtained catalysts were studied in selected model C...
Opening a Pandora's Flask on a Prototype Catalytic Direct Arylation Reaction of Pentafluorobenzene: The Ag2CO3/Pd(OAc)2/PPh3 System [0.03%]
开启一个原型钯催化五氟苯直接芳构化的Pandora盒子：Ag2CO3/Pd(OAc)2/PPh3体系
George M H Platt,Pedro M Aguiar,Gayathri Athavan et al.
George M H Platt et al.
Direct C-H functionalization reactions have opened new avenues in catalysis, removing the need for prefunctionalization of at least one of the substrates. Although C-H functionalization catalyzed by palladium complexes in the presence of a ...
Group IV Complexes with Sterically Congested N-Aryl-adamantylcarbamidate Ligands [0.03%]
拥挤的N-芳基-金刚烷甲酰胺配体的IV族配合物
Bahareh Rezaei Kheirkhah,Wimonsiri Huadsai,Phil Liebing et al.
Bahareh Rezaei Kheirkhah et al.
Metalation of N-(2,6-dibenzhydryl-4-tolyl)adamantane-1-carboxamide (1, Ar*N(H)-C(O)-Ad) with M(NMe2)4 (M = Ti, Zr, Hf) yields amidate complexes Ar*N=C(Ad)-O-Ti(NMe2)3 (2) as well as bis(amidate) compounds (Ar*N=C(Ad)-O)2M(NMe2)2 (M = Zr (3)...
Direct Cyclopalladation of Fluorinated Benzyl Amines by Pd3(OAc)6: The Coexistence of Multinuclear Pdn Reaction Pathways Highlights the Importance of Pd Speciation in C-H Bond Activation [0.03%]
氟代苄胺与Pd3(OAc)6的直接钯环化反应：多核Pdn反应路径的同时存在突显了Pd形态在C-H键活化中的重要性
Ian J S Fairlamb,Jan Lang,Aleš Růžička et al.
Ian J S Fairlamb et al.
Palladacycles are key intermediates in catalytic C-H bond functionalization reactions and important precatalysts for cross-couplings. It is commonly believed that palladacycle formation occurs through the reaction of a substrate bearing a C...