Nucleophilic substitution reaction

The mechanisms of the hydrolysis were proposed to be unimolecular nucleophilic substitution and bimolecular nucleophilic substitution ( SN2). On the Problem of Bimolecular Nucleophilic Substitution Reaction Sterochemistry

水解反应的可能机理是S Nl和S N2.双分子亲核取代反应立体化学问题释疑

On the Problem of Bimolecular Nucleophilic Substitution Reaction Sterochemistry

双分子亲核取代反应立体化学问题释疑

Recent progress on Vicarious nucleophilic substitution reaction

Vicarious亲核取代反应研究进展

Nucleophilic Substitution Reaction on the Porphyrin Ring: 2. The Solvent Effect in the Reaction of 2-NO_2-TPPCu(ⅱ) with Sodium Phenoxide

卟啉环上的亲核取代：2.溶剂对2-NO2-TPPCu（Ⅱ）与苯酚钠反应的影响

The chloromethylation reaction consists of electrophilic substitution reaction and nucleophilic substitution reaction, the nucleophilic substitution is the rate-controlling step and the hydroxymethyl cation (+ CH20H) is the really effective electrophile.

氯甲基化反应由亲电取代反应和亲核取代反应组成，亲核取代反应是反应的速率控制步骤，羟甲基碳正离子（+CH2OH）；是真正有效的亲电试剂。

12 kinds of benzimidazole polymers-poly aromatic benzimidazole were prepared by nucleophilic substitution reaction with fluoride aromatic compounds, and the properties of the two systems were analyzed and compared.

与二氟芳香化合物通过亲核取代反应，制得12种具有新型结构的苯并咪唑聚合物&聚芳基苯并咪唑，并对两个体系的晶型结构、溶解性和热性能进行了分析和比较。

The paper shows the relationship between the change of configuration turning and configuration marking, in bimolecular nucleophilic substitution reaction, according to the change order of group.

以基团次序地位变化为线索，揭示双分子亲核取代反应中，构型翻转与构型标记变化的关系。

The rule for aromatic nucleophilic substitution reaction and the electronic effect on the reaction

芳香族亲核取代反应及电子效应的影响

Study of Nucleophilic Substitution Reaction of C-F Bond on a Benzene Ring under Activation of Hydrogen Bond PREPARATION OF CHITOSAN IMMOBILIZED WITH β-CD AT C_6 POSITION BY A NUCLEOPHILIC DISPLACEMENT REACTION

氢键活化的苯环上C-F键的亲核取代反应研究亲核取代法制备壳聚糖6-OH固载环糊精衍生物

The nucleophilic aromatic substitution for hydrogen reaction is an environmentally benign organic synthesis reaction.

芳香亲核取代氢反应是一种环境友好的有机合成反应.

In this paper, the recent progress of organic reactions in aqueous media, such as condensation reaction, nucleophilic substitution reaction, cycloaddition reactions, Barbier-type and multi-component reaction, and their applications are reviewed.

本文综述了近年来对水介质中的有机反应的研究成果，包括缩合反应、亲核加成反应、环加成反应、Barbier反应和多组分反应等，及其在有机合成中的应用研究进展。

N-Butyl benzoate was synthesized with sodium benzoate and n-butyl bromide as starting materials through nucleophilic substitution reaction in the presence of catalyst of tetrabutyl ammonium bromide under microwave irradiation.

研究了在四丁基溴化铵催化下，采用微波辐射由苯甲酸钠和溴代正丁烷发生亲核取代反应合成苯甲酸正丁酯。

Solvent's Influence on Nucleophilic Substitution Reaction's Rate

溶剂对亲核取代反应速率的影响

A preferential 1,2 elimination reaction of syn diethyl ( 2-acetylamino-1-bromo-2-( p-methoxy-phenyl) ethyl) phosphonate 1 rather than the anticipated nucleophilic substitution reaction under basic conditions is described in the present paper.

报道了在碱性条件下，顺（2-乙酰胺基-1-溴-2-（对-甲氧基苯基）乙基）膦酸二乙酯进行的是-1,2-消除反应而不是所期望的亲核取代反应。

Effects of Ambident Nucleophiles in the Nucleophilic Substitution Reaction

两可亲核试剂在亲核取代反应中的作用

At the same time, discuss about the impact factor to nucleophilicity such as the number of attract electron group 、 ability of attract electron and the nucleophilic substitution reaction part.

并且对亲核试剂的体积效应、溶剂效应对亲核性影响，底物上吸电子基团的数目、吸电子能力对亲电性的影响，以及亲核取代反应的发生部位受哪些因素影响进行探讨。

The oxidation reaction consists of nucleophilic substitution reaction and a-elimination reaction which is the rate-determining step.

氧化反应由亲核取代反应和α-消除反应组成，α-消除反应是反应的速率控制步骤。

Hydrolysis of ester groups of HEMA occurred during the nucleophilic substitution reaction and post-processing.

HEMA在亲核取代及后处理过程中，酯键会发生水解，造成侧链上部分双键的丢失。

The results show that the method which synthesize sulfoacetic acid disodium by using chloroacetic acid and ethyl chloroacetate as raw material and sulfite sodium as sulfonating agent by nucleophilic substitution reaction is feasible.

结果表明：以氯乙酸和氯乙酸乙酯为原料采用亲核取代反应合成磺酸乙酸钠是可行的。

Two derivative dyes from the parent dyes were obtained by nucleophilic substitution reaction in which two primary aminophenol were employed as the nucleophilic reagent.

将母体染料的中位氯原子用氨基酸试剂亲核取代，衍生合成了两个中位氨基酸取代的七甲川菁染料。

In this paper is reported for the first time a new nucleophilic substitution reaction; substituting a secondary nitramino group on the aromatic ring with an azido group.

本文首次报告了叠氮基取代芳环上仲硝胺基的新亲核取代反应。

Four new dyes with thio group substitution in the central position were synthesized from the parent dye by nucleophilic substitution reaction.

在母体染料的中位用含-SH基团试剂亲核取代，衍生合成了四个中位硫取代衍生染料。

METHODS 18F-FDG was synthesized via nuclear reaction 18O ( p, n) 18F on 18O-enriched water and nucleophilic substitution reaction by Tracerlab Mx FDG synthesis system.

方法应用小型回旋加速器，通过18O（p，n）18F核反应生产出18F离子，由亲核取代反应制备18F-FDG，并对所制备的18F-FDG注射液进行质量控制。

Extending reaction time or temperature is beneficial to the nucleophilic substitution reaction of nitrochlorobenzene.

此时，延长体系的反应时间、提高体系的反应温度都有利于对硝基氯苯的亲核取代反应的进行。

Theoretical study of nucleophilic aromatic substitution reaction catalyzed by human glutathione S-transferase M1a-1a

人类谷胱甘肽S-转移酶M1a-1a催化的亲核芳香取代反应的理论研究

Ionic liquid [ BMIM] PF6 can play a catalyst role in nucleophilic substitution reaction.

离子液体[BMIM]PF6可以起到一定的催化剂作用，有利于亲核取代反应的进行。

High Selective Nucleophilic Substitution Reaction of 4,4 ′-bipyridine Under Solvent-free Conditions

无溶剂4,4′-联吡啶高选择性亲核取代反应

This article analyzed nucleophilic substitution mechanism of amidation reaction which was the key step in new process, the effect factors such as catalyst type, catalyst volume, solvent and temperature were also involved.

其中酰胺化反应是关键步骤，文章分析了该反应的亲核取代机理及催化剂种类、催化剂用量、溶剂、温度等条件对反应的影响。