levorotatory compound

简明释义

左旋化合物

英英释义

例句

1.In polarimetry, the levorotatory compound (左旋化合物) rotates plane-polarized light to the left.

在偏光仪中，左旋化合物（左旋化合物）将平面偏振光向左旋转。

2.The chemist synthesized a new levorotatory compound (左旋化合物) that showed promising results in the treatment of migraines.

这位化学家合成了一种新的左旋化合物（左旋化合物），在治疗偏头痛方面显示出良好的效果。

3.Researchers discovered that the levorotatory compound (左旋化合物) had a unique mechanism of action.

研究人员发现该左旋化合物（左旋化合物）具有独特的作用机制。

4.The levorotatory compound (左旋化合物) was isolated from a natural source and characterized using NMR spectroscopy.

该左旋化合物（左旋化合物）是从自然来源中分离出来的，并通过核磁共振光谱法进行了表征。

5.The pharmaceutical company is researching a levorotatory compound (左旋化合物) for its potential anti-inflammatory properties.

这家制药公司正在研究一种左旋化合物（左旋化合物），以其潜在的抗炎特性。

作文

In the field of chemistry, the study of compounds and their properties is essential for understanding various reactions and applications. One fascinating aspect of this study is the concept of chirality, which refers to the property of a molecule that makes it non-superimposable on its mirror image. Among the various types of chiral compounds, the term levorotatory compound is particularly important. A levorotatory compound (左旋化合物) is defined as a substance that rotates plane-polarized light to the left, or counterclockwise, when observed from the perspective of the incoming light. This property is crucial in many fields, including pharmaceuticals, where the effectiveness of a drug can depend on its chirality.The significance of levorotatory compounds (左旋化合物) lies in their biological activity. For instance, consider the case of the drug thalidomide, which was used in the late 1950s and early 1960s to treat morning sickness in pregnant women. Thalidomide has two enantiomers: one is levorotatory (左旋) and the other is dextrorotatory. The levorotatory compound (左旋化合物) was effective in alleviating symptoms, while the dextrorotatory form caused severe birth defects. This tragic incident highlighted the importance of understanding the specific effects of each enantiomer and the necessity of developing drugs with a clear understanding of their chiral properties.Furthermore, the analysis and synthesis of levorotatory compounds (左旋化合物) are critical in the field of organic chemistry. Scientists utilize various techniques such as chromatography and polarimetry to identify and quantify the optical activity of these compounds. By measuring the angle of rotation of plane-polarized light, researchers can determine whether a compound is levorotatory (左旋) or dextrorotatory. This information not only aids in the characterization of new substances but also plays a vital role in quality control during the manufacturing process of pharmaceuticals.The implications of levorotatory compounds (左旋化合物) extend beyond the laboratory. In nature, many biologically active molecules, such as amino acids and sugars, exhibit chirality. For example, the amino acid L-alanine is a levorotatory compound (左旋化合物), while its counterpart D-alanine is dextrorotatory. The distinction between these forms is crucial in biochemistry, as enzymes and receptors are often highly selective for one enantiomer over the other. This selectivity can influence metabolic pathways and affect overall health.In conclusion, the study of levorotatory compounds (左旋化合物) is an integral part of modern chemistry and has far-reaching implications in various scientific disciplines. Understanding the properties and behaviors of these compounds allows chemists and biochemists to design better drugs, comprehend biological processes, and innovate new materials. As research continues to advance, the importance of chirality and the role of levorotatory compounds (左旋化合物) will undoubtedly remain at the forefront of scientific inquiry.