acetals

简明释义

英[ˈæsɪˌtælz]美[ˈæsɪˌtælz]

n. 缩醛；醛缩二醇；缩醛树脂（acetal 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.This paper reports the study on the sulfonated polystyrene resin used in esterification, transesterification, synthesis of acetals or ketals, synthesis of ether and rearrangement reaction of pinacol.

本文研究了磺酸化的聚苯乙烯树脂在酯化、酯交换、缩醛或缩酮的合成、醚的合成及(口片)呐重排反应中的应用。

2.The effect of polyvinyl acetals on its adhesive strength was investigated.

探讨了聚乙烯醇缩醛的粘接强度的影响。

3.This paper reports the study on the sulfonated polystyrene resin used in esterification, transesterification, synthesis of acetals or ketals, synthesis of ether and rearrangement reaction of pinacol.

本文研究了磺酸化的聚苯乙烯树脂在酯化、酯交换、缩醛或缩酮的合成、醚的合成及(口片)呐重排反应中的应用。

4.The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.

通过对该合聚物的IR和NMR谱图分析，得知该聚合物含有酯基和酮基的结构单元，以及环缩醛的侧链。

5.The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.

本发明茼蒿素类化合物及其合成方法与应用，该化合物具有烯醇醚-螺环缩酮-缩醛和不饱和侧链。

6.Eight acetals (Ketals) were synthesized under the optimal conditions.

在最佳条件下，合成了八个缩醛(酮)化合物。

7.This paper investigates the catalysis of D-72 strong acid cation exchange resin on the synthesis of acetals, and systematically discusses the influence of reaction factors on the catalysis reaction.

研究了强酸性阳离子交换树脂对缩醛合成反应的催化作用，系统地探讨了各反应因素对反应的影响，研究发现，D- 72强酸性阳离子交换树脂具有较高的催化活性，并能重复使用。

8.When analyzing sugars, chemists convert them into acetals to stabilize their structure.

在分析糖类时，化学家将其转化为醛缩合物以稳定其结构。

9.The formation of acetals from aldehydes and alcohols is a key reaction in carbohydrate chemistry.

醛与醇反应形成醛缩合物是碳水化合物化学中的一个关键反应。

10.The hydrolysis of acetals can regenerate the original aldehyde and alcohol.

对醛缩合物的水解可以再生出原来的醛和醇。

11.In the presence of acid, acetals can be converted back to their corresponding aldehydes.

在酸的作用下，醛缩合物可以转化回其相应的醛。

12.In organic chemistry, we often use acetals to protect aldehyde groups during synthesis.

在有机化学中，我们常常使用醛缩合物来保护合成过程中的醛基。

作文

Acetals are a fascinating class of organic compounds that play a significant role in both synthetic and natural chemistry. They are typically formed through the reaction of an aldehyde with an alcohol, resulting in a compound characterized by the presence of two alkoxy groups attached to the same carbon atom. This particular structure gives rise to unique properties that make acetals (醛的缩醇) valuable in various applications, including pharmaceuticals, flavors, and fragrances.One of the most intriguing aspects of acetals (醛的缩醇) is their stability under neutral or basic conditions. Unlike their parent aldehydes, which can be quite reactive, acetals (醛的缩醇) are resistant to oxidation and hydrolysis. This stability makes them ideal intermediates in organic synthesis, allowing chemists to manipulate and transform them into more complex molecules without the risk of unwanted side reactions.In the realm of organic chemistry, acetals (醛的缩醇) serve as protecting groups for aldehydes and ketones. When chemists want to prevent a carbonyl group from participating in a reaction, they can convert it into an acetal (醛的缩醇). This transformation effectively 'hides' the carbonyl, allowing other functional groups to react without interference. Once the desired reactions are complete, the acetal (醛的缩醇) can be easily converted back to the original carbonyl compound, restoring its reactivity.Moreover, acetals (醛的缩醇) are also important in the field of polymer chemistry. They can be used as monomers to create various types of polymers, which can have applications ranging from packaging materials to biomedical devices. The versatility of acetals (醛的缩醇) in polymerization reactions allows for the development of materials with tailored properties, such as improved strength or flexibility.In nature, acetals (醛的缩醇) are found in various forms, often contributing to the flavor and aroma of certain fruits and plants. For instance, some naturally occurring acetals (醛的缩醇) are responsible for the sweet taste of certain wines and the pleasant scents of flowers. This connection between acetals (醛的缩醇) and sensory experiences highlights their importance not only in chemistry but also in our daily lives.In conclusion, acetals (醛的缩醇) are more than just simple organic compounds; they are integral to many processes in both synthetic and natural chemistry. Their unique properties, stability, and versatility make them essential tools for chemists and valuable contributors to various industries. As research continues to explore new applications for acetals (醛的缩醇), it is clear that their significance will only grow in the coming years, further enhancing our understanding of chemistry and its impact on our world.