diazonium
简明释义
英[ˌdaɪəˈzəʊniəm]美[ˌdaɪəˈzonɪəm]
n. 重氮化合物
adj. 重氮化合物的
英英释义
单词用法
重氮盐 | |
重氮偶联 | |
合成重氮化合物 | |
稳定重氮离子 |
同义词
| 二氮杂环 | The synthesis of azo compounds often involves the use of aromatic diazonium salts. | 合成偶氮化合物通常涉及芳香族重氮盐的使用。 | |
| 芳香族重氮化合物 | 二氮杂环是有机合成中的重要中间体。 |
反义词
| 烷基胺 | Alkylamines are often used in the synthesis of pharmaceuticals. | 烷基胺常用于制药的合成中。 | |
| 胺 | 胺可以在有机反应中作为碱。 |
例句
1.A simple method for preparing m -cresol from m -toluidine via diazonium salt at room temperature using copper salt as a catalyst is proposed.
提出一种以间甲苯胺为原料，在铜盐催化室温条件下，经重氮盐制备间甲苯酚的简单方法。
2.A new triazene compound is synthesized by nitrogen coupling reaction of the diazonium salt.
通过重氮盐的氮偶联反应，合成三氮烯类新试剂。
3.This article studies the reactions of nitrous acid with eldest aromatic amine and diazonium salts substituted by halogen, and investigates the condition and mechanism of those reactions.
通过对亚硝酸与伯芳胺反应形成重氮盐，以及重氮盐被卤素取代生成卤代芳烃的反应条件和反应机理的研究。
4.The sensitized photolysis of diazonium salts by several new thioxanthone compounds has been investigated in this work.
本工作对几种新型硫杂蒽酮化合物敏化光解重氮盐问题进行了研究。
5.The market demand and prospect of diazonium borofluoride was suggested.
对市场需求和前景进行了预测。
6.Owing to the well know photoreaction of diazonium and sulfonate groups, the above-assembled films containing multiplayer of DAR/FeTSPP were irradiated by UV light.
多层膜的组装过程我们用紫外光谱跟踪表征组装过程，用紫外和红外光谱证明了磺酸基和重氮基在紫外光光照前后发生了光解反应。
7.This article studies the reactions of nitrous acid with eldest aromatic amine and diazonium salts substituted by halogen, and investigates the condition and mechanism of those reactions.
通过对亚硝酸与伯芳胺反应形成重氮盐，以及重氮盐被卤素取代生成卤代芳烃的反应条件和反应机理的研究。
8.Methods: Nitrogen coupling reaction of the diazonium salt was applied.
方法：通过重氮盐的氮偶联反应。
9.Methods: Nitrogen coupling reaction of the diazonium salt.
方法：通过重氮盐的氮偶联反应。
10.In organic chemistry, the diazonium 重氮盐 is used as an intermediate in various reactions.
在有机化学中，diazonium 重氮盐 被用作各种反应中的中间体。
11.The synthesis of azo dyes often involves the formation of a diazonium 重氮盐 compound.
合成偶氮染料通常涉及形成一个diazonium 重氮盐 化合物。
12.The preparation of diazonium 重氮盐 typically requires the use of nitrous acid.
准备diazonium 重氮盐 通常需要使用亚硝酸。
13.A common reaction involving diazonium 重氮盐 is the Sandmeyer reaction, which introduces halogens into aromatic compounds.
涉及diazonium 重氮盐 的一种常见反应是桑德梅耶反应，它将卤素引入芳香化合物中。
14.The stability of diazonium 重氮盐 can vary depending on the substituents attached to the aromatic ring.
根据附加在芳香环上的取代基的不同，diazonium 重氮盐 的稳定性可能会有所不同。
作文
The term diazonium refers to a class of chemical compounds that contain a diazo group, which is characterized by the presence of two nitrogen atoms connected by a double bond. These compounds are of great significance in organic chemistry due to their unique properties and reactivity. The general formula for a diazonium compound can be represented as R-N2^+, where R denotes an organic group. One of the most common examples of diazonium compounds is benzene diazonium chloride, which is formed by the reaction of an aromatic amine with nitrous acid. This reaction typically occurs under acidic conditions and leads to the formation of a stable diazonium salt.The reactivity of diazonium compounds makes them valuable intermediates in various chemical reactions. They can participate in electrophilic aromatic substitution reactions, where they act as electrophiles and can introduce different substituents onto the aromatic ring. For instance, when a diazonium salt reacts with a phenol or an aromatic compound, it can lead to the formation of azo compounds, which are widely used as dyes in the textile industry. This process not only showcases the utility of diazonium compounds but also highlights their importance in synthetic organic chemistry.Moreover, diazonium compounds have applications beyond dye synthesis. They are also utilized in the preparation of pharmaceuticals and agrochemicals. The ability to manipulate the reactivity of diazonium salts allows chemists to design complex molecules with specific functional groups. This versatility is particularly useful in drug discovery, where the introduction of various substituents can significantly alter the biological activity of a compound.Despite their usefulness, handling diazonium compounds requires caution. Many diazonium salts are unstable and can decompose explosively under certain conditions. This instability is often due to the presence of the diazo group, which can readily release nitrogen gas. Therefore, it is essential to work with these compounds in controlled environments and follow safety protocols to prevent accidents.In conclusion, diazonium compounds play a crucial role in the field of organic chemistry. Their unique structure and reactivity enable a wide range of chemical transformations, making them indispensable in various applications, from dye manufacturing to pharmaceutical development. Understanding the chemistry of diazonium compounds not only enhances our knowledge of organic reactions but also opens up new avenues for research and innovation in chemical synthesis. As we continue to explore the potential of these fascinating compounds, it becomes clear that diazonium chemistry will remain a vibrant area of study for years to come.
“diazonium”一词指的是一类含有二氮基团的化合物，该基团的特征是由两个氮原子通过双键连接。这些化合物在有机化学中具有重要意义，因其独特的性质和反应性。diazonium化合物的一般公式可以表示为R-N2^+，其中R表示有机基团。diazonium化合物最常见的例子之一是苯二氮盐酸盐，它是芳香胺与亚硝酸反应形成的。这种反应通常在酸性条件下进行，并导致稳定的diazonium盐的形成。diazonium化合物的反应性使它们成为各种化学反应中的宝贵中间体。它们可以参与电亲核芳香取代反应，在这些反应中，它们充当电亲核试剂，可以将不同的取代基引入芳香环。例如，当diazonium盐与酚或芳香化合物反应时，可以生成偶氮化合物，这些化合物广泛用于纺织工业中的染料。这一过程不仅展示了diazonium化合物的实用性，也突显了它们在合成有机化学中的重要性。此外，diazonium化合物在染料合成之外还有其他应用。它们还被用于制备药物和农用化学品。操控diazonium盐的反应性使化学家能够设计具有特定官能团的复杂分子。这种多功能性在药物发现中尤为有用，因为引入各种取代基可以显著改变化合物的生物活性。尽管diazonium化合物非常有用，但处理这些化合物需要小心。许多diazonium盐是不稳定的，在某些条件下可能会发生爆炸性分解。这种不稳定性通常是由于二氮基团的存在，后者可以迅速释放氮气。因此，在受控环境中处理这些化合物并遵循安全协议以防止事故是至关重要的。总之，diazonium化合物在有机化学领域发挥着至关重要的作用。它们独特的结构和反应性使得各种化学转化成为可能，使它们在从染料制造到药物开发等多个应用中不可或缺。理解diazonium化合物的化学不仅增强了我们对有机反应的认识，也为化学合成研究和创新开辟了新途径。随着我们继续探索这些迷人化合物的潜力，显然diazonium化学将在未来几年内继续成为一个充满活力的研究领域。
