卤代烷

On the basis of the analysis of the mechanism of β-elimination reaction of haloalkyl,the influence regularity of the dissolvent polority for the reaction is discussed.

在分析了卤代烷β－消去反应的反应机理的基础上，讨论了溶剂的极性对反应的影响规律。

The selected alkylogen shall not react with magnesium in the mode of Grignard reaction.

结果表明：将镁、有机醇以及不与镁发生"格式反应"的卤代烷相互作用可迅速发生反应形成新型含镁络合物溶液。

Understand the basic conceptions on homolysis and heterolysis of covalent bonds, and on the nucleophilic substitution and elimination; Grasp the mechanism and stereochemistry of S N 1 and S N 2 reactions; be capable of judging the stability of carbocations; know the factors that can influence the rates of S N 1 and S N 2 reactions; grasp the elimination reactions of haloalkanes, the mechanism and stereochemistry of E1 and E2 reactions.

了解共价键的均裂和异裂及亲核取代反应的基本概念；掌握 S N 1 和 S N 2 反应机理和立体化学；能够判断正碳离子的稳定性；了解影响 S N 1 和 S N 2 反应速率的因素；掌握卤代烷消除反应， E1 和 E2 反应机理和立体化学。

A process for preparing the olefine sulfide includes addition reaction between sulfur monochloride and C3-C12 olefine under existance of low-carbon alcohol as catalyst to obtain addition compound, mixing it with C1-C15 haloalkane, sulfide of alkali metal, sulfur powder, and aqueous solution of emtrol, sulfurizing, dechlorinating, and refining.

一种硫化烯烃的制备方法，包括：(1)使一氯化硫和C 3 ～C 12 烯烃在低碳醇催化剂的存在下进行加合反应，生成加合物；(2)将(1)步的加合物与C 1 ～C 15 卤代烷、碱金属硫化物、硫磺粉、脂肪醇水溶液混合，进行硫化脱氯反应后，精制处理，得到硫化烯烃产品。

Inhibitor HZ 1 was synthesized by the reaction of amine and alkylogen.

通过采用胺类和卤代烷反应，合成出在盐水及泥浆介质中具有较好缓蚀效果的缓蚀剂 HZ- 1 。

The selected alkylogen shall not react with magnesium in the mode of Grignard reaction.

结果表明：将镁、有机醇以及不与镁发生&格式反应&的卤代烷相互作用可迅速发生反应形成新型含镁络合物溶液。

Using p-xylene, different acyl chloride and alkylogen, six kinds of isomers were synthesized, with similar structure, carbons of same quantity, and the position of alkylaryl dissimilarity.

本文利用对二甲苯、不同碳数直链酰氯以及卤代烷合成出6种结构相似、长链烷烃碳数为12、芳基在烷烃链不同位置的烷基苯磺酸盐类表面活性剂。

The preparation method comprises the following steps in sequence:(1) metric acetonitrile is added into a dual-bottleneck distilling flask that is provided with a refluxing and condensing tube, and simultaneously, long-chain dialkyl methyl tertiary amine and relevant saturated dihalide are added thereof;(2) nitrogen is pumped for 10 to 20 minutes for deoxidizing;(3) a magnetic mixing reaction is carried through for 10 to 15 hours under the condition of 78 to 83 DEG C.

其制备方法依次包括以下步骤：(1)在装有回流冷凝管的二颈蒸流烧瓶中，加入计量的乙腈，同时按一定比例加入二长链烷基甲基叔胺与相应的二卤代烷；(2)通氮气10-20分钟，排除氧气；(3)在78-83℃条件下磁力搅拌反应10～15h。

Methods Glutaric dialdehyde was prepared from benzimidazolium salt and saturated dihalide by the addition-hydrolysis reaction of benzimidazolium salt with Di-Grignard reagent.

方法以苯并咪唑盐和二卤代烷为原料，利用苯并咪唑盐与双Grignard试剂的加成水解反应合成戊二醛。

The PEI grafted on the surface of nylon was modified by the alkyl halide such as bromohexane and iodomethane,to give high-molecular-weight antimicrobial quaternary ammonium salts.

尼龙6用4-溴丁酰氯活化，再与高分子聚乙烯亚胺在有机溶剂中进行反应，使PEI共价接枝在载体上，然后用卤代烷对接枝在尼龙6上的PEI进行烷基化反应，使其形成具有杀菌功能的高分子季铵盐，制备出尼龙树脂固定化的高分子抗菌杀生剂。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。