diester

简明释义

英[daɪˈestə(r)]美[daɪˈestər]

n. [有化] 二酯；二元酸酯

英英释义

单词用法

同义词

反义词

例句

1.Nonylphenol polyoxyethylene ether was esterified with maleic anhydride and then sulfonated with sodium bisulfite to form nonylphenol polyoxyethylene ether sulfosuccinic acid diester sodium salt.

以壬基酚聚氧乙烯醚为原料，与顺酐酯化再与亚硫酸氢钠磺化，合成了壬基酚聚氧乙烯醚琥珀酸双酯磺酸钠。

2.Carbon monoxide and nitrous acid ester are synthesized through coupling reaction into diester carbonate in the presence of catalyst and at relatively low pressure and temperature.

一种碳酸二酯的合成方法，通过一氧化碳和亚硝酸酯在催化剂存在下，用较低的压力和较低的温度偶联合成碳酸二酯。

3.After processing of crude aconite roots, most of the diester diterpenoid alkaloids converted to the monoester form, while C8 was the major location for such reaction. It is a ty…

生川乌炮制后生物碱大多数由双酯型水解转化为单酯型，水解反应最容易发生的位置在C8位，水解反应的类型是烷氧键发生断裂的酯的碱性水解。

4.The products were identified TLC as monoester and diester.

反应产物经薄层色谱鉴定为单酯和双酯。

5.Objective: to detect expression of interleukin - 23 (il - 23) and il - 12 subunits in various leukemia cell lines and evaluate the ability of phorbol diester to up - regulate the subunits expression.

目的：检测人白细胞介素-23 (IL - 23)和白细胞介素-12 (IL - 12)亚基在各类白血病细胞系中的表达并探讨佛波二酯对IL - 23和IL - 12亚基表达的调控作用。

6.Objective: to detect expression of interleukin - 23 (il - 23) and il - 12 subunits in various leukemia cell lines and evaluate the ability of phorbol diester to up - regulate the subunits expression.

目的：检测人白细胞介素-23 (IL - 23)和白细胞介素-12 (IL - 12)亚基在各类白血病细胞系中的表达并探讨佛波二酯对IL - 23和IL - 12亚基表达的调控作用。

7.PSS is one kind of sodium amylase diester sodium that takes sodium alginate as raw material, which has the characteristic of anti-cruor, reducing the viscidity of blood fat and blood.

PSS是以海藻酸为原料研制的一种褐藻多糖双酯钠，具有抗凝血、降血脂和降低血液粘度的作用。

8.The chemist synthesized a new type of diester for use in biodegradable plastics.

化学家合成了一种新型的二酯用于生物可降解塑料。

9.In the lab, we observed how the diester reacted with water to form alcohols.

在实验室，我们观察到二酯与水反应生成醇。

10.The flavoring agent in this candy is derived from a natural diester compound.

这款糖果中的香料来源于一种天然的二酯化合物。

11.The diester formation is crucial in the production of many synthetic fibers.

在许多合成纤维的生产中，二酯的形成至关重要。

12.Researchers are studying the potential of diesters as renewable energy sources.

研究人员正在研究二酯作为可再生能源的潜力。

作文

In the field of organic chemistry, the term diester refers to a specific type of compound that contains two ester functional groups. Esters are derived from carboxylic acids and alcohols, and they play a crucial role in various chemical processes and applications. Understanding diester compounds is essential for chemists, as they are often used in the synthesis of polymers, plasticizers, and other industrial products. For instance, the diester 二酯 can be formed when a diacid reacts with an alcohol, resulting in a molecule that exhibits unique properties due to the presence of two ester linkages.The significance of diester compounds extends beyond theoretical chemistry; they have practical implications in everyday products. One common example is the use of diesters in the production of biodegradable plastics. These materials are becoming increasingly important in our efforts to reduce environmental impact. By utilizing diester compounds, manufacturers can create plastics that break down more easily in natural environments, thus contributing to sustainability.Moreover, diester compounds can also be found in various biological systems. For example, certain lipids and fats contain diester linkages, which are crucial for maintaining the structure and function of cell membranes. The dual ester bonds in these molecules provide stability and flexibility, allowing cells to adapt to various conditions. This highlights the importance of diester compounds not only in industrial applications but also in biological contexts.In addition to their structural roles, diester compounds can also influence the physical properties of materials. For instance, the presence of diester linkages can affect the melting point, solubility, and viscosity of substances. Understanding these properties is vital for scientists and engineers who are designing new materials for specific applications. By manipulating the composition of diester compounds, researchers can tailor materials to meet desired performance criteria.Furthermore, the study of diester compounds has led to advancements in medicinal chemistry. Some diester derivatives are being investigated for their potential therapeutic effects. For example, certain diesters exhibit anti-inflammatory and analgesic properties, making them candidates for drug development. This illustrates how the understanding of diester chemistry can lead to innovative solutions in healthcare.In conclusion, the term diester encompasses a wide range of compounds that are integral to both industrial and biological processes. From their role in the production of biodegradable plastics to their presence in biological membranes, diester compounds demonstrate significant versatility and importance. As research continues to explore the potential applications and effects of these compounds, it is clear that a thorough understanding of diester chemistry will remain crucial for future advancements in various scientific fields.

在有机化学领域，术语diester指的是一种特定类型的化合物，包含两个酯官能团。酯是由羧酸和醇衍生而来的，在各种化学过程和应用中发挥着至关重要的作用。理解diester化合物对化学家来说至关重要，因为它们通常用于聚合物、增塑剂和其他工业产品的合成。例如，当二酸与醇反应时，可以形成二酯，从而得到一种由于存在两个酯键而表现出独特性质的分子。diester化合物的重要性超越了理论化学；它们在日常产品中具有实际意义。一个常见的例子是在生物可降解塑料的生产中使用二酯。这些材料在我们努力减少环境影响方面变得越来越重要。通过利用diester化合物，制造商可以创造出在自然环境中更容易分解的塑料，从而有助于可持续发展。此外，diester化合物也可以在各种生物系统中找到。例如，某些脂质和脂肪含有二酯键，这对于维持细胞膜的结构和功能至关重要。这些分子中的双酯键提供了稳定性和灵活性，使细胞能够适应各种条件。这突显了diester化合物在工业应用和生物学背景下的重要性。除了结构作用外，diester化合物还可以影响材料的物理性质。例如，二酯键的存在可以影响物质的熔点、溶解度和粘度。理解这些性质对于设计新材料以满足特定应用的科学家和工程师至关重要。通过操纵diester化合物的组成，研究人员可以定制材料以满足所需的性能标准。此外，diester化合物的研究促进了药物化学的发展。一些二酯衍生物正在被研究其潜在的治疗效果。例如，某些二酯表现出抗炎和镇痛特性，使它们成为药物开发的候选者。这说明了对diester化学的理解如何导致医疗保健领域的创新解决方案。总之，术语diester涵盖了一系列在工业和生物过程中不可或缺的化合物。从它们在生物可降解塑料生产中的作用到它们在生物膜中的存在，diester化合物展示了显著的多样性和重要性。随着研究继续探索这些化合物的潜在应用和影响，显然对diester化学的透彻理解将仍然是未来各科学领域进步的关键。