卡宾
- 名carbene
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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
Synthesis of N-heterocyclic Carbene Palladium Complexes and Application in Cross-Coupling of C-C 、 C-N
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同时进行的Rh(II)-卡宾插入H2S的S-H键中的反应机理计算结果表明,此类反应不存在协同机理,只有分步机理。
As for Rh ( II ) - methylene Carbene S-H insertion , only stepwise mechanisms and no concerted mechanisms have been found .
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本文对N杂环卡宾及其金属络合物的性质和合成方法进行了综述。参考文献30篇。
In the paper the properties and syntheses of N-heterocyclic carbenes and their metal complexes are reviewed .
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含杂环卡宾碳的铁羰基簇合物的结构化学研究Ⅱ.&Fe3(CO)8[:CNHC(S)C(CH3)2NH]的合成和晶体结构
Structural Study on Heterocyclic Carbene-Containing Iron Carbonyl Cluster ⅱ . Syntheses and crystal structure of
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聚苯乙烯负载N-杂环卡宾/Pd络合物催化Suzuki反应研究
Studies on Polystyrene-supported NHC-Pd Complex as Catalyst for the Suzuki Reaction
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Rh(Ⅱ)-卡宾分子内C&H键插入反应研究进展
Development in the Research of Rh ( II ) - Mediated Intramolecular C - H Insertions of Carbenoids
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卡宾的钨配合物与二氯甲基Wittig试剂的反应
The Reaction of Tungsten Carbene Complexes with Dichloromethyl Wittig Reagent
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因此,开展有机高分子负载N-杂环卡宾/Pd络合物催化Suzuki反应的方法学研究是一件有意义的工作。
So it is meaningful to do research on polymer-supported NHC-Pd complex as catalyst for Suzuki coupling reaction .
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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。
Our calculations demonstrate that the mechanism of Rh ( II ) carbene O-H insertion is complicated .
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用半经验AM1方法研究了C(60)与单态二氯卡宾环加成反应的反应机理。
The cycloaddition reaction of dichlorocarbene with C60 has been studied by using the semi-empirical method AM1 . A reasonable mechanism of the reaction has been suggested .
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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。
The most favored reaction channel is chromium carbene with a barrier height only 9.63 kcal mol-1 .
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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。
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 .
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为此开展了以下相关研究工作:(1)用两种不同的硅胶(硅胶和SBA-15硅胶),合成了两种以咪唑卡宾为配体固载金属钯催化剂。
So works were done as follows : ( 1 ) Two kinds of catalysts were synthesized which take imidazole carbene as ligand ( immobilized different silica ) .
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LPG燃烧过程中形成的CH3、CH2等烃类自由基和卡宾与CFC-12分子及其碎片之间有很强的反应活性,有效地增加了CFC-12的低能垒分解通道,这说明了选择LPG作为燃料的优越性。
Hydrocarbon like CH3 , CH2 and carbene exerted strong reactivity with the CFC-12 and its fraction , and effectively increased the decomposition pathways of low energy barrier . This confirmed the priority to select LPG as combustion fuel of CFC-12 .
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其中二价铑卡宾插入到O-H,S-H键的反应提供了C-O,C-S键的生成,在有机合成中得到重要的应用。
O-H and S-H bond insertions in Rh ( II ) complex catalytic reactions of α - diazo carbonyl compounds provide direct entries to C-O and C-O bond formations , respectively and have gotten important applications in organic synthesis .
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N-杂环卡宾(NHCs)是一类具有很强给电子能力的σ-配体,其过渡金属化合物在催化、医药和材料方面有着广泛的应用。
N-heterocyclic carbenes ( NHCs ) are a class of a-donor with strong electron-donating ability . And their transition metal complexes have a wide range of applications in catalysis , medicine and materials .
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聚氧乙烯类表面活性剂在二氯卡宾制备中的相转移催化作用
The phase transfer catalytic action of polyoxyethylene surfactants in preparing Dichlorocarbene
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现在介绍基本的卡宾(刻雪)滑行技术。
We are now introducing you to the fundamental carving techniques .
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含杂环卡宾铁羰基簇合物的合成和结构
Syntheses and Structures of Heterocyclic Carbene & Containing Iron Carbonyl Clusters
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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
Synthesis and Application of Precursor of N-Substituted Planar Chiral N-Heterocyclic Carbene
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金属-N-杂环卡宾配合物催化氢甲酰化反应的研究进展
Advance in Hydroformylation of Olefin Catalyzed by Metal-N-Heterocyclic Carbene Complexes
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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
Recent Progress in Application of N-Heterocyclic Carbene Metal Complexes to Ketone Hydrosilylation
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一氧化碳与卡宾加成反应的从头计算方法研究
Ab initio study on the addition reaction of carbene with carbon monxide
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应用相转移催化二氯卡宾反应合成(±)甲基多巴
Synthesis of (±) methyldopa by Dichlorocarbene reaction in PTC conditions
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N-杂环卡宾及其金属络合物的性质和合成方法
Properties and syntheses of N-heterocyclic carbenes and their metal complexes
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功能化钌卡宾烯烃复分解催化剂的合成及性能研究
Synthesis and Property Study of Functional Ru-Based Olefin Metathesis Complexes
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低价钨化合物形成钨卡宾络合物的反应研究
The reaction of tungsten carbene complex from low valent tungsten
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卡宾与氢氰酸加成反应机理的量子化学研究
Study on Quantum Chemistry of the Addition Reaction for Carbene with Cyanic Acid
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我的博士论文研究对象是卡宾诺格的杀手兔(电影《巨蟒与圣杯》中的角色)
I wrote my master 's thesis on the Killer Rabbit of Caerbannog .
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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
Syntheses and Structures of Tris ( Trimethylsilyl ) Cyclopentadienyl Molybdenum Cyclic Carbene Complexes