gabriel synthesis

简明释义

加布里埃耳合成法

英英释义

Gabriel synthesis is a chemical reaction used to synthesize primary amines from potassium phthalimide and an alkyl halide, involving the nucleophilic substitution of the halide by the phthalimide.

Gabriel 合成是一种化学反应,用于从邻苯二甲酰亚胺和烷基卤化物合成初级胺,涉及卤化物被邻苯二甲酰亚胺的亲核取代。

例句

1.The gabriel synthesis method is often used in pharmaceutical research to develop new drugs.

在制药研究中,gabriel synthesis方法常用于开发新药。

2.During the lecture, the professor highlighted the significance of gabriel synthesis in synthetic organic chemistry.

在讲座中,教授强调了gabriel synthesis在合成有机化学中的重要性。

3.The chemist explained the process of gabriel synthesis to create primary amines from phthalimide.

化学家解释了如何通过gabriel synthesis从邻苯二甲酰亚胺中合成初级胺。

4.Understanding gabriel synthesis can help students grasp the concept of nucleophilic substitution reactions.

理解gabriel synthesis可以帮助学生掌握亲核取代反应的概念。

5.In our organic chemistry lab, we performed gabriel synthesis to produce a specific amine compound.

在我们的有机化学实验室,我们进行了gabriel synthesis以生产特定的胺化合物。

作文

The field of organic chemistry is vast and complex, with numerous methods for synthesizing compounds. One such method that has gained prominence in recent years is the Gabriel synthesis. This technique is particularly noteworthy for its ability to produce primary amines from phthalimide derivatives. The significance of the Gabriel synthesis lies not only in its efficiency but also in its selectivity, which allows chemists to obtain desired products without the formation of unwanted by-products.To understand the Gabriel synthesis, it is essential to first grasp the underlying principles of amine synthesis. Amines are vital components in many biological systems and are found in a variety of pharmaceuticals and agrochemicals. Traditional methods of synthesizing amines often involve multiple steps and can lead to complex mixtures of products. However, the Gabriel synthesis simplifies this process by employing a straightforward reaction pathway.The process begins with the treatment of phthalimide with a strong base, such as potassium hydroxide. This step generates a nucleophilic species that can then react with an alkyl halide. The choice of alkyl halide determines the structure of the resulting amine. After the nucleophilic attack, the phthalimide ring is hydrolyzed, yielding a primary amine and phthalic acid as a by-product. This reaction is remarkable because it effectively avoids the formation of secondary and tertiary amines, which are often produced in other synthetic routes.One of the advantages of the Gabriel synthesis is its versatility. It can be used to synthesize a wide range of primary amines, making it a valuable tool for chemists working in various fields. For instance, in medicinal chemistry, the ability to create specific amine structures can lead to the development of new drugs with enhanced efficacy and fewer side effects. Additionally, the simplicity of the Gabriel synthesis makes it an attractive option for educational purposes, allowing students to observe fundamental chemical reactions in a controlled environment.However, like any synthetic method, the Gabriel synthesis has its limitations. For example, the reaction is often sensitive to steric hindrance, which can affect the reactivity of the alkyl halide. Bulky groups may hinder the nucleophilic attack, leading to lower yields of the desired amine. Furthermore, while the method is efficient for producing primary amines, it is not suitable for synthesizing secondary or tertiary amines, which may require alternative approaches.In conclusion, the Gabriel synthesis represents a significant advancement in the field of organic chemistry, providing a reliable and efficient means of synthesizing primary amines. Its importance cannot be overstated, as amines play crucial roles in various chemical processes and applications. As research continues to evolve, it is likely that the Gabriel synthesis will remain a fundamental method in the chemist's toolkit, paving the way for new discoveries and innovations in the synthesis of complex molecules.

有机化学领域广阔而复杂,合成化合物的方法多种多样。其中一种近年来备受关注的方法是Gabriel合成。这种技术特别值得注意,因为它能够将邻苯二甲酰亚胺衍生物转化为初级胺。Gabriel合成的重要性不仅在于其效率,还在于其选择性,使化学家能够获得所需的产品,而不会形成不必要的副产品。要理解Gabriel合成,首先必须掌握胺合成的基本原理。胺是许多生物系统中的重要组成部分,广泛存在于各种药物和农用化学品中。传统的胺合成方法通常涉及多个步骤,并且可能导致复杂的产物混合物。然而,Gabriel合成通过采用简单的反应途径简化了这一过程。该过程始于用强碱(如氢氧化钾)处理邻苯二甲酰亚胺。这一步产生了一个亲核物种,随后可以与卤代烷反应。卤代烷的选择决定了最终胺的结构。在亲核攻击之后,邻苯二甲酰亚胺环被水解,生成初级胺和邻苯二甲酸作为副产物。这一反应的显著之处在于,它有效地避免了次级和三级胺的形成,这些胺通常在其他合成途径中产生。Gabriel合成的一个优点是其多功能性。它可以用于合成多种初级胺,使其成为各个领域的化学家非常宝贵的工具。例如,在药物化学中,创造特定的胺结构的能力可以导致新药物的开发,从而增强疗效并减少副作用。此外,Gabriel合成的简单性使其成为教育目的的一个有吸引力的选择,允许学生在受控环境中观察基本化学反应。然而,像任何合成方法一样,Gabriel合成也有其局限性。例如,该反应通常对立体阻碍敏感,这可能影响卤代烷的反应性。笨重的基团可能会阻碍亲核攻击,导致所需胺的产率降低。此外,虽然该方法对于生产初级胺是高效的,但它不适合合成次级或三级胺,这可能需要替代方法。总之,Gabriel合成代表了有机化学领域的一项重大进展,提供了一种可靠且高效的合成初级胺的方法。它的重要性不容小觑,因为胺在各种化学过程和应用中发挥着关键作用。随着研究的不断发展,Gabriel合成可能仍将是化学家工具箱中的基本方法,为复杂分子的合成开辟新的发现和创新之路。

相关单词

synthesis

synthesis详解:怎么读、什么意思、用法