lactone

简明释义

英[ˈlæktəʊn]美[ˈlæktoʊn]

n. [有化] 内酯

英英释义

单词用法

同义词

反义词

例句

1.The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties(strain) and 4 staminiferous plant type single clone.

采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，对叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量进行了研究。

2.Method Plasma concentrations of 9-nc lactone form (lactone 9-nc) and the total of lactone and carboxylate forms (total 9-nc) were determined by the validated HPLC method.

方法：采用hplc法测定大鼠尾静脉注射给药后不同时间点9 - NC的内酯型浓度和总浓度并进行药物动力学拟合。

3.The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties(strain) and 4 staminiferous plant type single clone.

采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，对叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量进行了研究。

4.Its molecular structure is made up of a five member, unsaturated lactone ring with two hydroxyl groups.

其分子结构是由五个成员国，不饱和内酯环两个羟基。

5.The invention provides a large ring lactone compound and a preparation method thereof.

本发明提供了一种大环内酯类化合物及其制备方法。

6.AIM: to study the relationship between the lactone forms of 10-hydroxycamptothecin (HCPT) and their antitumor activities.

目的：研究10 -羟基喜树碱(HCPT)的内酯环形式与抗癌活性之间的关系。

7.In the synthesis of pharmaceuticals, lactones 内酯 can serve as key intermediates.

在药物合成中，lactones 内酯 可以作为关键中间体。

8.The flavor of the cheese is enhanced by the presence of specific lactones 内酯.

奶酪的风味因特定lactones 内酯的存在而增强。

9.Researchers discovered a new lactone 内酯 that exhibits antibacterial properties.

研究人员发现了一种新的lactone 内酯，具有抗菌特性。

10.The compound was identified as a type of lactone 内酯 during the chemical analysis.

在化学分析中，该化合物被鉴定为一种类型的lactone 内酯。

11.Natural lactones 内酯 are often responsible for the aroma of various fruits.

天然的lactones 内酯 通常是各种水果香气的来源。

作文

Lactones are a fascinating class of compounds that play a significant role in various natural and synthetic processes. Chemically, a lactone is defined as a cyclic ester formed from the reaction of an alcohol and a carboxylic acid, where the hydroxyl group of the acid reacts with the carbonyl group of the alcohol to form a ring structure. This unique formation gives lactones their distinctive properties and makes them interesting subjects for study in organic chemistry.One of the most notable aspects of lactones is their occurrence in nature. Many naturally occurring lactones are found in plants and are responsible for various aromas and flavors. For instance, the characteristic scent of coconut can be attributed to a specific lactone known as gamma-nonalactone. This compound not only contributes to the delightful fragrance of coconut but also plays a role in the flavor profile of many foods, making it a valuable component in the food industry.In addition to their presence in nature, lactones have gained attention in the field of pharmaceuticals. Some lactones, such as paclitaxel, are used in cancer treatments due to their ability to inhibit cell division. The unique structural features of lactones allow them to interact with biological molecules in ways that can lead to therapeutic effects. Researchers continue to explore new lactones and their potential applications in medicine, highlighting the importance of this compound class in advancing healthcare.Moreover, the versatility of lactones extends to the field of materials science. They can be utilized in the synthesis of biodegradable polymers, which are increasingly important in addressing environmental concerns related to plastic waste. By incorporating lactones into polymer chains, scientists can create materials that break down more easily in the environment, providing a sustainable alternative to traditional plastics.The study of lactones is not without its challenges. The synthesis of these compounds can be complex, often requiring specific conditions and reagents to achieve desired outcomes. Furthermore, understanding the reactivity and stability of lactones is crucial for their application in various fields. As such, ongoing research aims to develop more efficient methods for synthesizing lactones and to elucidate their mechanisms of action in biological systems.In conclusion, lactones are a remarkable group of compounds with diverse applications across multiple disciplines. Their presence in nature, significance in pharmaceuticals, and potential in materials science underscore the importance of understanding these compounds. As research progresses, we can expect to uncover even more about the fascinating world of lactones and how they can be harnessed for the benefit of society. The continued exploration of lactones will undoubtedly lead to new discoveries and innovations that enhance our quality of life and contribute to a more sustainable future.

内酯是一类引人入胜的化合物，在各种自然和合成过程中发挥着重要作用。从化学角度来看，内酯被定义为一种环状酯，由醇和羧酸反应形成，其中酸的羟基与醇的羰基反应形成环状结构。这种独特的形成赋予了内酯其独特的性质，使其成为有机化学研究中有趣的主题。内酯最显著的方面之一是它们在自然界中的存在。许多天然存在的内酯在植物中发现，并负责各种香气和风味。例如，椰子的特征气味可以归因于一种特定的内酯，即伽马-壬内酯。这种化合物不仅为椰子的愉悦香气做出了贡献，还在许多食品的风味轮廓中发挥了作用，使其成为食品工业中的宝贵成分。除了它们在自然界中的存在，内酯在制药领域也引起了关注。一些内酯（如紫杉醇）因其抑制细胞分裂的能力而用于癌症治疗。内酯的独特结构特征使其能够以某种方式与生物分子相互作用，从而导致治疗效果。研究人员继续探索新的内酯及其在医学中的潜在应用，突显了这一化合物类别在推动医疗保健方面的重要性。此外，内酯的多功能性延伸至材料科学领域。它们可以用于合成可生物降解的聚合物，这在解决与塑料废物相关的环境问题时越来越重要。通过将内酯融入聚合物链中，科学家可以创造出更容易在环境中降解的材料，提供一种可持续替代传统塑料的选择。对内酯的研究并非没有挑战。这些化合物的合成可能很复杂，通常需要特定的条件和试剂才能实现预期结果。此外，理解内酯的反应性和稳定性对于它们在各个领域的应用至关重要。因此，持续的研究旨在开发更有效的合成内酯的方法，并阐明它们在生物系统中的作用机制。总之，内酯是一组具有多种应用的显著化合物，跨越多个学科。它们在自然界中的存在、在制药中的重要性和在材料科学中的潜力强调了理解这些化合物的重要性。随着研究的进展，我们可以期待揭示更多关于内酯的迷人世界以及如何利用它们造福社会。对内酯的持续探索无疑将导致新的发现和创新，提升我们的生活质量并为更可持续的未来做出贡献。