Recent Progress in Application of N-Heterocyclic Carbene Metal Complexes to Ketone Hydrosilylation N-杂环卡宾金属配合物在酮硅氢加成反应中的应用新进展
Theoretical ( DFT) Insights into the Mechanism of Nickel Catalyzed Chromium Carbene Transfer, Cyclopropane and Elimination Reactions 镍催化铬卡宾卡宾转移,环化和消除反应机理的理论研究
Advance in Hydroformylation of Olefin Catalyzed by Metal-N-Heterocyclic Carbene Complexes 金属-N-杂环卡宾配合物催化氢甲酰化反应的研究进展
Organic-inorganic Hybrid Materials with N-heterocyclic Carbene Metal Complexes: Synthesis, Characterization and Catalytic Application 含氮杂环卡宾金属配合物的有机&无机杂化材料的合成、表征及催化应用
Synthesis and Application of Precursor of N-Substituted Planar Chiral N-Heterocyclic Carbene 氮杂原子取代的面手性氮杂环卡宾前体的合成及催化应用研究
Study on Quantum Chemistry of the Addition Reaction for Carbene with Cyanic Acid 卡宾与氢氰酸加成反应机理的量子化学研究
Recent advances in hydroformylation of olefin catalyzed by metal-N-heterocyclic carbene ( NHC) complexes especially Rh-NHC complex were reviewed on with an intention to promote relevant research. N-杂环卡宾金属配合物的研究在近几年来得到迅速的发展,总结了酮硅氢加成反应中N-杂环卡宾金属配合物催化剂的应用新进展。
The carbene also reacts with alcohols. PADC Poly ( allyl diglycol carbonate) 碳烯也可与醇反应。
Our calculations demonstrate that the mechanism of Rh ( II) carbene O-H insertion is complicated. 我们的计算从理论上预测了二价铑卡宾插入到O-H,S-H键的反应机理和可能的反应路线,密度泛函计算结果表明Rh(II)-卡宾插入到O-H键的反应机理具有复杂性。
Metal Carbene Based Catalytic Reaction for Atom Economy 基于金属卡宾的原子经济性催化反应研究
Syntheses and Structures of Heterocyclic Carbene& Containing Iron Carbonyl Clusters 含杂环卡宾铁羰基簇合物的合成和结构
Syntheses and Structures of Tris ( Trimethylsilyl) Cyclopentadienyl Molybdenum Cyclic Carbene Complexes 多(三甲硅基)取代环戊二烯基二羰基钼环卡宾配合物的合成和结构
An Ab Initio Investigation of the Molecular Orbital and Stabilization Energy for Substituted Lithium Carbene Cations 从头计算法研究取代锂卡宾正离子的分子轨道和稳定化能
This paper presents the commonness and difference of carbene and silylene by their structures, Preparative methods and chemical properties. 本文主要通过碳烯和硅烯的结构、制备、性质等三方面来阐明它们之间的同和异。
N-heterocyclic carbene metal complexes have catalytic activities for many organic reactions, and they are a type of catalyst with potential value. 杂环卡宾金属络合物对许多反应有催化作用,它们是一类有潜在应用价值的催化剂。
A reaction mechanism involving nucleophilic addition of an enamine to a metal carbene and subsequent hydrogen transfer was proposed. 根据这一实验结果和以前对重氮化合物反应机理的了解,我们认为反应的机理是烯胺与金属卡宾首先进行亲核加成,然后发生氢迁移过程,产生烯胺中间体。
Transition metal-carbene complexes in organic synthesis 过渡金属卡宾络合物在有机合成中的应用
The reaction mechanism involving tungsten carbene complex and the synthesis methods of several complexs are briefly reviewed. The reactions of synthesizing organic compounds with the tungsten carbene complexes are summarized. 对钨卡宾络合物参与的反应机理和一些合成方法作了简要的介绍,并评述了部分钨卡宾络合物合成有机化合物的反应。
The N-heterocyclic carbene formation to ligand compounds with the transition metals, can catalyze the formation of the C-C, C-H, C-O and C-N. N-杂环卡宾前体&咪唑盐和咪唑啉盐,以之为配体与过渡金属形成配合物并将其应用于催化C-C,C-H,C-O和C-N键的形成反应,包括烯烃复分解反应。
New Progress in Synthesis Method of Carbene 碳烯合成方法的新进展
Synthesis of N-heterocyclic Carbene Palladium Complexes and Application in Cross-Coupling of C-C 、 C-N N/杂环卡宾钯络合物的合成及在C-C、C-N偶联反应中的应用
This thesis mainly focused on the synthesis and asymmetric application of N-Ar axially chiral N-heterocyclic carbene ( NHC)-oxazoline ligands. 论文主要研究了氮芳基轴手性氮杂环卡宾恶唑啉配体的合成及其在不对称催化反应中的应用。
In early years, most of carbenes is N-heterocyclic carbene, the reactions about it were limited metal complexes. 早期的卡宾多是N-杂环卡宾的金属络合物,但是他们参与的反应比较局限,仅限于金属络合物的研究。
A robust hydrophilic pincer-type N-heterocyclic carbene palladium complex 3 was designed and synthesized, which exhibited not only high catalytic activity but also robust against air, moisture and heat. 本文设计、合成了一种亲水的钳形氮杂环卡宾钯化合物3。它不但具有很高的催化活性,而且对空气、水和高温具有很好的稳定性。
Transition-metal-catalyzed decomposition of diazo compounds is an important method to form metal carbene. 过渡金属催化重氮化合物分解是形成金属卡宾的重要手段之一。
We have synthesized a series of air-stable metal catalysts for cross-coupling reactions. These metal complexes based on multidentate NHC ligands were synthesized by carbene transfer reactions. 本研究以多齿NHCs为配体,通过金属交换反应合成了一系列稳定的偶联反应金属催化剂。
The most favored reaction channel is chromium carbene with a barrier height only 9.63 kcal mol-1. 最有利的反应通道是铬卡宾亚甲基反应通道,需要克服能垒9.63Kcalmol-1。
So, the cyclopropane product comes from nickel carbenoids and chromium carbene. 因此,环丙烷化反应产物来源有镍卡宾和铬卡宾。
The studies demonstrate that methane can be spontaneously activated by the third-row transition metal ions Os+, Ir+, Pt+, etc., yielding the metallic carbene cations and H2. 研究表明,甲烷可以自发的被第三行过渡金属Os+,Ir+,Pt+等阳离子活化,产生金属卡宾和氢气。