卤

Emphasis: The halogenation on aromatic ring.

重点：芳环上卤化反应历程。

The author and his colleagues have performed the experiment before the introduction of electro- philic aromatic substitution or enolate halogenation in lectures.

作者和他的团队在介绍亲电芳基取代或烯醇卤化的课程前已经进行了实验。

Addition Reactions to Alkynes, Hydrogenation, Halogenation and HX.

炔烃的加成反应，氢化，卤化和HX。

The probable reactions of the adamantane,for example halogenation , alcoholization, nitration and alkylation,are summarized.

文章从分子设计的角度综述了金刚烷可能发生的化学反应，如卤化、羟基化、硝化、烷基化等；同时探讨了金刚烷化学反应的机理，为金刚烷在精细化工领域的深层次应用打下基础。

In general, the products obtained from these Pd-catalyzed reactions are complementary to those obtained via traditional methods, such as electrophilic aromatic substitution and benzylic halogenation.

一般来说，这些产品来自钯催化反应是相辅相成的所得，经传统方法苄、电等替代卤代芳香。

With 2-cyano-4-nitro-aniline as raw material, 2-cyano-4-nitro-6-halogen- anilines have been prepared by direct halogenation.

以2-氰基-4-硝基苯胺为原料，用直接卤化法研制成2-氰基-4-硝基-6-氯苯胺、2-氰基-4-硝基-6-溴苯胺、和2-氰基-4-硝基-6-碘苯胺。

The manufacture of chemicals from petroleum is based on the ready response of the various compound types to basic chemical reactions, such as oxidation, halogenation, nitration, dehydrogenation, addition, polymerization, and alkylation.

从石油生产化学品的依据是各种类型的化合物对各种基本的化学作用感应迅速，如氧化作用、卤化作用、硝化作用、脱氢作用、添加作用、聚合作用和烷基化作用。

PH of filtrate is kept below 0.65 in order to avoid the reaction between sodium formate and iodine bromide. Then iodine bromide halogenation method is used to determine quantitatively the content of the third monomer, i.

控制滤液pH在0.65以下，以防止甲酸钠和溴化碘起反应，然后用溴化碘卤化法定量测定滤液中的第三单体甲基丙烯磺酸钠的含量。

We use the penicillin as starting material through oxidation, esterification, ring enlargement, deoxidation and halogenation and so on.

本文介绍GCLE的用途、研究现状、合成工艺及应用前景；重点研究以青霉素为原料通过氧化、酯化、扩环、还原，卤化等步骤合成GCLE的工艺。

Content This course sets on the basis of the organic chemistry and introduces the fundamental principles and methods of organic synthesis by focusing on the classes of reactions such as halogenation, rearrangement, oxidation and reduction reaction.

课程内容：本课程建立在有机化学的基础上，着重介绍了有机合成的基本原理和方法，以反应类型为主线，如卤化反应，重排反应，氧化反应，还原反应等，在介绍一些经典的合成方法和试剂的同时，对一些较新型的试剂在合成中的应用以及反应的立体选择性和区域选择性进行了讨论。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。