碳负离子

铁（III）催化砜基α-碳负离子偶联成烯的非异构化证据

Evidence for Absence of Isomerization of Double Bond During Iron ( III ) catalyzed Sulfone α Carbanion Homocoupling

β-酰基碳负离子的合成等效剂及其应用

Synthetic equivalents of β - acyl carbanion and its application

根据我们得到的数据，我们认为其重要的反应中间体羟乙基硫胺素焦磷酸（HEThDP）除文献报道的烯铵结构和C2α-碳负离子结构之外，还存在第三种共振结构，即烯醇式结构。

Based on the data we got , we believed that there should be a third resonant structure of the reaction intermediate hydroxyethyl thiamine pyrophosphate ( HEThDP ) besides the reported enamine resonant structure and C2-a-alkenyl carbanion resonant structure , which might be named enol resonant structure .

碳负离子性质及最新发展动态

Properties of negative ion of carbon and the new developments

碳负离子结构研究的最新进展

The Last Progress In Research for Stuctures of Carbanions

拉电子基团能使碳负离子稳定，也使C&H键的酸性增强。

Drawing electron group can stabilize carbon anion , and enhance the acid of key C-H.

α-氰基苄基碳负离子钠盐与碳酸二乙酯的单电子转移反应动力学和机理

Kinetics and Mechanism of the SET Reaction of α - Cyanobenzyl Carbanion Sodium Salt with Diethyl Carbonate

p-硝基氯苯与α-氰基乙酸乙酯-α-碳负离子的电子转移反应动力学研究&非链式的自由基机理

Studies on the Kinetics of SET Reaction of p-Nitrochlorobenzene with Ethyl α - Cyanoacetate - α - carbanion Non-Chain Radical Mechanism

含硫碳负离子的反应及其应用的研究&Ⅲ.合成戊烯二酸酯类的新方法

Studies on Some Reactions of Sulfur-Containing Carbanions and Their Synthetic Applications & ⅲ . A New Method for the Synthesis of Glutaconates

讨论了由碳负离子对羧基化合物加成和磺化而制备脂肪族羟基磺酸盐缩合物的合成方法以及用于混凝土高效减水剂的性能特点。

Synthesis of aliphatic hydroxy sulphonate condensate by addition of carbanion to carbonyl compounds and sulfonation on it is described . Its performance characteristics as coner ete superplasticizer is identified .

氢氧化铯可以与有机弱酸作用，形成亲核的碳负离子或杂原子负离子，由于铯离子与阴离子之间的静电力较弱，使与之键合的阴离子表现出强的亲核性。

Cesium hydroxide can reaction with organic weak acid to form carbon anion or nucleophilic heteroatom anions . Because the static electricity between the cesium ion and anion is weak , so the anions demonstrated strong nucleophilic .

水溶液物性数据库研究用国产计算机调试酸碱分库初步研究了反应在酸碱不同条件下的反应机理，认为在醋酸体系下是自由基反应，而在有机胺体系下应是碳负离子反应。

The Research for Data Base of the Properties of Aquous Solution ⅰ . Debugging of Data Base of Acid and Base with Chinese Computer Different mechanism in acid or alkali system , radical reaction or carbanions , is also discussed .

H3~+团簇通过碳膜的负离子产额测量及尾流效应的研究

Study on the yield of Negative Ions and Wake Effect of H_3 ~ + Clusters Through Carbon Foils

快分子离子通过碳膜产生负离子的研究

Studies on the negative ions produced by fast molecular ions through carbon foils

激光作用于稠环芳烃及其衍生物产生碳原子簇的负离子质谱研究

Mass Spectrometry of Carbon Cluster Anions Generated with Laser Ablation of Polycyclic Aromatic Compounds

其结果证实：在种种分子重排反应中，总是趋向于生成结构更稳定的碳正离子或碳负离子或自由基中间体及其产物。

Their result affirm : in all sorts of molecular rearrangement reactions , anyway tend to produce more stable carbocation , or carboanion , or free radical middle substance and their products .

苯并三氮唑环既可以稳定碳正离子、α-碳碳负离子，又可以稳定α-碳自由基，它是有机化学反应中很好的活化基团。

It can stable both of a-carbon cation , ion and radical , so it is an excellent active group in organic reactions .