positional isomer

简明释义

位置异构物

英英释义

A positional isomer is a type of isomer in which the atoms or groups of atoms are arranged differently in the same molecule, specifically differing in the position of a functional group or substituent on the carbon chain.

位置异构体是一种异构体,其原子或原子团在同一分子中以不同的方式排列,具体而言,是指功能团或取代基在碳链上的位置不同。

例句

1.The synthesis of positional isomers 位置异构体 can be achieved through various chemical reactions.

通过各种化学反应可以合成位置异构体 positional isomers

2.In organic chemistry, a common example of a positional isomer 位置异构体 is butanol, which can exist as 1-butanol and 2-butanol.

在有机化学中,一个常见的位置异构体 positional isomer 的例子是丁醇,它可以存在为1-丁醇和2-丁醇。

3.Chemists often use spectroscopy to differentiate between positional isomers 位置异构体 based on their unique absorption patterns.

化学家通常使用光谱法根据位置异构体 positional isomers 独特的吸收模式来区分它们。

4.The different physical properties of positional isomers 位置异构体 can lead to varied applications in industry.

不同的位置异构体 positional isomers 的物理性质可能导致在工业中的不同应用。

5.When studying positional isomers 位置异构体, it is important to understand how the position of substituents affects reactivity.

在研究位置异构体 positional isomers 时,了解取代基的位置如何影响反应性是很重要的。

作文

In the world of chemistry, understanding the structure and arrangement of molecules is crucial for grasping their properties and behaviors. One fascinating aspect of organic chemistry is the concept of isomerism, which refers to the existence of compounds that share the same molecular formula but differ in the arrangement of atoms. Among the various types of isomers, positional isomer (位置异构体) stands out as a significant category that highlights how the position of functional groups can alter the characteristics of a compound.To illustrate this, consider the example of butanol, a four-carbon alcohol. Butanol has several isomers, two of which are 1-butanol and 2-butanol. Both of these compounds have the same molecular formula, C4H10O, yet they exhibit different physical and chemical properties due to the differing positions of the hydroxyl (-OH) group. In 1-butanol, the hydroxyl group is attached to the first carbon atom, while in 2-butanol, it is attached to the second carbon atom. This simple change in the position of the functional group results in distinct boiling points, solubility, and reactivity, demonstrating the importance of positional isomer (位置异构体) in organic chemistry.The implications of positional isomer (位置异构体) extend beyond mere academic curiosity; they play a vital role in various industries, particularly in pharmaceuticals. Many drugs are designed to target specific biological pathways, and even slight variations in molecular structure can lead to significant differences in efficacy and safety. For instance, one positional isomer (位置异构体) of a medication may bind effectively to a receptor, while another may not bind at all or might even produce adverse effects. Therefore, understanding the nuances of isomerism is essential for drug development and regulatory approval processes.Moreover, positional isomer (位置异构体) also plays a critical role in the field of materials science. Polymers, for example, can exhibit different properties based on the arrangement of their monomer units. The positioning of side chains or functional groups along the polymer backbone can lead to variations in strength, flexibility, and thermal stability. As researchers continue to explore new materials for applications ranging from packaging to construction, the study of positional isomer (位置异构体) becomes increasingly relevant.In conclusion, the concept of positional isomer (位置异构体) is a fundamental aspect of organic chemistry that has far-reaching implications across various fields. By recognizing how the position of functional groups can influence the properties of compounds, chemists and researchers can better design and synthesize molecules for specific applications. Whether in the development of life-saving medications or innovative materials, the study of positional isomer (位置异构体) remains a vital area of exploration, underscoring the intricate relationship between molecular structure and function.

相关单词

positional

positional详解:怎么读、什么意思、用法