亲核试剂

由于DG的低介电常数，亲核试剂仍以引起C&O断裂为主而得醚。

In DG , due to its low dielectric constant , nucleophile effects only C-O scission to form ether .

此叶立德可以与烯烃、炔烃以及亲核试剂发生反应生成不同种类的含氮杂环化合物。

The sequential reaction of the nitrogen ylides with alkenes , alkynes , or nucleophile have been resulted in versatile heterocyclic compounds .

含氮类亲核试剂对异丁烯阳离子聚合的作用（II）&苯胺衍生物对异丁烯阳离子聚合体系的作用

Effect of N-Containing Nucleophiles on IB Carbocationic Polymerization ( II ) & Effect of Aniline Derivative on IB Carbocationic Polymerization

硝酸甲酯与不同亲核试剂的SN2反应的理论研究

Theoretical Study on SN_2 Reactions Between Methyl Nitrate and Various Nucleophiles

然后在70°C条件下，以邻苯二甲酰亚胺钾作为亲核试剂，与2-氯-5-氯甲基吡啶发生缩合反应，制备了N-（6-氯-3-吡啶甲基）邻苯二甲酰亚胺。

Afterwards , N - ( 6-chloro-3-pyridinemethyl ) phthalimide is prepared by using potassium phthalimide , as nucleophilic reagent , condensation reacting with 2-chloro-5-methylpyridine at a temperature of 70 ° C.

过渡金属催化的有机硼、有机锌及有机铜等反应活性较低的亲核试剂与CO2的羧化反应是合成官能团羧酸及羧酸酯有效的方法。

Transition-metal-catalyzed carboxylation of less reactive carbon nucleophiles such as organoboron and organozinc reagents represents an effective method to access carboxylic acid and esters bearing various functional groups .

氯甲基化的聚苯乙烯-二乙烯苯树脂（Merrifieldresin）中的氯甲基基团很容易与亲核试剂发生反应。

Chloromethylation of polystyrene-divinylbenzene resin ( Merrifield resin ) with chlorine methyl group is very easy to react with nucleophiles .

本研究用集团结构适应性理论探讨了Cl~-+CH3I反应在十一种质子溶剂和极性非质子溶剂中的溶剂效应机理。实验表明，亲核试剂Cl~-越游离，反应速率就越大。

The solvent effects of the reaction CH3I + Cl - on 11 solvents have been investigated with the help of the adaptability theory of group structure .

路线Ⅱ为在亲核试剂及偶合剂的存在下，OLL末端羧基接枝葡聚糖。

Route ⅱ, OLL grafted to dextran via its terminal carboxylic acid group with the presence of nucleophilic reagent and coupling reagent .

分别从硝基芳环的结构、亲核试剂的类型和反应条件三方面讨论了影响VNS定位效应的因素；

Furthermore , the factors that affect the orientation of VNS are discussed from the aspects of the structure of nitro arenes , the properties of nucleophiles and reaction condi-tions respectively .

讨论了Hofmann重排反应的机理以及烃基的结构、介质中的亲核试剂对反应的影响，并介绍了此重排在有机合成中的应用。

The mechanism of Hofmann rearrangement reaction and the effects of alkyl structure and nucleophilic reagent in medium on the reaction are discussed . Moreover , the application of Hofmann rearrangement reaction in organic synthesis is introduced .

异丁烯在酸性催化剂作用下作为质子的接受体发生质子化反应，生成正碳离子；作为中间产物的正碳离子，再迅速同亲核试剂CH3O-反应，生成MTBE。

Iso-butene and methanol etherification proceeds according to the electrophilic addition mechanism , Iso-butene makes protonation reaction as the proton acceptor under the acid catalyst function , being born the positive carbon ion , intermediate products react rapidly with nucleophilic reagent ( CH3O - ) to produce MTBE .

氨基醇类手性氧亲核试剂的合成及表征

Synthesis and Characterization of Chiral Oxygen Nucleophile of Amino - alcohol

亲核试剂在可控阳离子聚合体系中起着重要作用，含氮类亲核试剂三乙胺，可以有效地控制阳离子聚合反应生成聚合物的分子质量，使聚合物的分子质量分布变窄，实现可控阳离子聚合。

Nucleophiles play an important role in controllable cationic polymerization systems .

四氢叶酸辅酶模型的合成及与氨类亲核试剂反应性能的研究

Synthesis of a tetrahydrofolate model and its reaction with nucleophiles

亲核试剂的性质也影响反应进攻的位置。

The properties ofnucleophiles also influence the position of attack .

碳容易被亲核试剂进攻。

The carbon should be susceptible to attack by a nucleophilic species .

文中对苯并咪唑盐与各种亲核试剂的加成-水解反应机理及反应条件对产率的影响都作了讨论。

The mechanism and influence of reaction condition on the yield were discussed .

钯催化烯丙基偕二醇二醋酸酯和各种亲核试剂的反应

Palladium Catalyzed Reaction of Allylic Geminal Diacetates with Nucleophiles

在该反应中，醇既是溶剂又是亲核试剂。

In this reaction , alcohols are not only nucleophile but also solvents .

前者极端地阻抗亲核试剂。

The first is extremely resistant to nucleophilic reagents .

本反应同时也是首次用亲核试剂成功捕获苯炔插入反应的苄基负离子的例子。

It is the first example of successful trapping of the intermediate benzyl anion with electrophiles .

本文主要介绍钯催化烯烃反应的最近发展，它包括：1.亲核试剂与钯络合的烯烃反应；

This paper mainly reviews the recent developments of the reaction of olefines catalyzed by palladium .

本文系统地总结了各类亲核试剂对非对称氮杂环丙烷（吖丙啶）的亲核开环反应及开环的区域选择性。

Nucleophilic ring opening reaction of unsymmetric aziridines and its regioselectivity with various nucleophiles was reviewed systematically .

溴化氢加成的最后一步，是负离子亲核试剂的附加。

The addition of hydrogen bromide involves the attachment of an anionic nucleophile in the final step .

分子模拟法研究亲核试剂在异丁烯正离子聚合反应中的作用机理

A study of reaction mechanism of the nucleophilic reagent in the cationic polymerization of isobutene with molecular simulation

硫醇作亲核试剂在有机合成中的应用

Application of Thiol in Organic Synthesis as Nucleophilic Reagent Interactions of Rare Earth-Amino Acid Complexes with Nucleic Acids

如果各种亲核试剂与吡喃盐反应，就可制取许多种带官能基的衍生物。

Treatments of pyrylium salts with various nucleophilic reagents allows the production of a host of functionalized derivatives .

实验事实表明，该模型化合物具有较高的反应活性，能够与不同类型的亲核试剂发生化学反应，是一种较理想的模型。

Experiments showed that the model compound had high chemical reactivity , so it is an ideal coenzyme model .

配位之后，羰基碳所带的正电荷增加了28.3%，使它极易受到亲核试剂（溶剂水）的进攻而使肽键发生断裂，这为钯？

, which makes it easy for the nucleophile ( solvent water ) to attack and cleave the peptide bond .