alkylation

简明释义

英[ˌælkɪˈleɪʃən]美[ˌælkɪˈleɪʃən]

n. [有化] 烃化；烷化

英英释义

单词用法

同义词

反义词

例句

1.The conditions of S-alkylation reaction and the spectral properties of the synthesized compounds were researched.

探讨了s烷基化反应的反应条件和所合成化合物的波谱性质。

2.The development of shape - selective alkylation of biphenyl to 4,4' - dialkylbiphenyl over zeolite catalysts is reviewed.

综述了用沸石分子筛作催化剂，择形烷基化合成4，4’-二烷基联苯的研究进展。

3.The paper discussed the influence of different synthesis conditions on toluene alkylation reaction.

考察了不同合成条件对甲苯烷基化反应的影响。

4.The process to prepare alkyl naphthalene by alkylation is the most ripe one, key technology of which is preparation of high efficient catalyst.

烷基化制备烷基萘是目前最成熟的工艺路线，其关键技术是高效催化剂的制备；

5.The reaction mechanisms of the dehydration and alkylation are discussed.

讨论了脱水反应和烷基化反应的机理。

6.The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.

讨论了烷基化、酰基化和直接提取制备烷基萘的工艺路线。

7.Reductive Alkylation is a process often seen in chemical production.

还原性烷基化是化工生产中常见的过程。

8.The alkylation of aromatic compounds can lead to more reactive intermediates.

芳香化合物的烷基化可以导致更具反应性的中间体。

9.In organic chemistry, alkylation refers to the introduction of an alkyl group into a molecule.

在有机化学中，烷基化指的是将烷基团引入分子中。

10.The process of alkylation is crucial in the production of high-octane gasoline.

在高辛烷值汽油的生产中，烷基化过程至关重要。

11.One common method of alkylation involves using alkyl halides and nucleophiles.

一种常见的烷基化方法涉及使用烷基卤化物和亲核试剂。

12.Catalytic alkylation is often used in petrochemical industries to enhance product yields.

催化烷基化常用于石油化工行业，以提高产品产量。

作文

Alkylation is a crucial chemical process that involves the transfer of an alkyl group to a molecule, typically an organic compound. This transformation can significantly alter the properties and reactivity of the target molecule, making it an essential step in various chemical syntheses. The term 'alkylation' refers specifically to the introduction of an alkyl group, which is a hydrocarbon chain derived from alkanes, into another molecule. This process is widely utilized in the production of fuels, pharmaceuticals, and other industrial chemicals.In the petroleum industry, alkylation (烷基化) plays a vital role in refining processes. It is used to produce high-octane gasoline from low-octane feedstocks. The alkylation (烷基化) process combines smaller hydrocarbons, such as isobutane, with alkenes like propylene or butylene in the presence of a catalyst. This reaction yields larger branched-chain hydrocarbons, which have superior combustion properties compared to their linear counterparts. As a result, the use of alkylation (烷基化) in refining not only enhances fuel quality but also contributes to more efficient engine performance.In the pharmaceutical industry, alkylation (烷基化) is often employed to modify the structure of drug molecules. By introducing alkyl groups into specific positions of a molecule, chemists can influence its biological activity, solubility, and metabolic stability. For instance, the alkylation (烷基化) of certain antibiotic compounds can enhance their effectiveness against resistant bacterial strains. This versatility makes alkylation (烷基化) a powerful tool in medicinal chemistry, allowing researchers to design and optimize new therapeutic agents.Moreover, alkylation (烷基化) can also be a part of polymer chemistry, where it is used to create various polymers with desired properties. By incorporating alkyl groups into polymer chains, scientists can tailor the physical characteristics of the resulting materials, such as flexibility, strength, and thermal stability. This has significant implications for the development of advanced materials used in packaging, construction, and electronics.However, the alkylation (烷基化) process is not without its challenges. One of the primary concerns is the environmental impact associated with the catalysts and reagents used in these reactions. Many traditional alkylation methods rely on strong acids or toxic reagents, which can pose risks to both human health and the environment. As a result, there is ongoing research aimed at developing greener alternatives for alkylation (烷基化). This includes exploring the use of biocatalysts or less hazardous solvents to achieve similar transformations with reduced ecological footprints.In conclusion, alkylation (烷基化) is a fundamental process in organic chemistry that has far-reaching applications across various industries. From enhancing fuel quality in the petroleum sector to optimizing drug efficacy in pharmaceuticals, the significance of alkylation (烷基化) cannot be overstated. As research continues to evolve, the development of more sustainable alkylation (烷基化) methods will likely play a crucial role in addressing environmental concerns while maintaining the benefits of this essential chemical transformation.

烷基化是一个关键的化学过程，涉及将烷基团转移到分子上，通常是有机化合物。这一转化可以显著改变目标分子的性质和反应性，使其成为各种化学合成中的重要步骤。术语“烷基化”特指将烷基团引入另一个分子中，烷基团是从烷烃衍生出的碳氢链。该过程在燃料、制药和其他工业化学品的生产中被广泛应用。在石油工业中，烷基化（alkylation）在精炼过程中发挥着至关重要的作用。它用于将低辛烷值的原料转化为高辛烷值的汽油。烷基化（alkylation）过程将较小的烃，如异丁烷，与丙烯或丁烯等烯烃在催化剂的存在下结合。这一反应产生了更大的支链烃，与其线性同类相比，具有更优越的燃烧特性。因此，在精炼中使用烷基化（alkylation）不仅提高了燃料质量，还促进了发动机性能的提高。在制药行业中，烷基化（alkylation）常用于修改药物分子的结构。通过在分子的特定位置引入烷基团，化学家可以影响其生物活性、溶解度和代谢稳定性。例如，对某些抗生素化合物进行烷基化（alkylation）可以增强其对耐药细菌株的有效性。这种多功能性使得烷基化（alkylation）成为药物化学中的强大工具，允许研究人员设计和优化新的治疗剂。此外，烷基化（alkylation）也可能是聚合物化学的一部分，用于创建具有所需特性的各种聚合物。通过将烷基团纳入聚合物链，科学家可以定制所得到材料的物理特性，如柔韧性、强度和热稳定性。这对包装、建筑和电子产品等先进材料的发展具有重要意义。然而，烷基化（alkylation）过程并非没有挑战。主要关注之一是与这些反应中使用的催化剂和试剂相关的环境影响。许多传统的烷基化方法依赖于强酸或有毒试剂，这可能对人类健康和环境构成风险。因此，正在进行持续的研究，旨在开发更环保的替代方法进行烷基化（alkylation）。这包括探索使用生物催化剂或更少危险的溶剂，以实现类似的转化，同时减少生态足迹。总之，烷基化（alkylation）是有机化学中的一个基本过程，在各个行业中具有深远的应用。从提高石油部门燃料质量到优化制药中的药物功效，烷基化（alkylation）的重要性不容小觑。随着研究的不断发展，更可持续的烷基化（alkylation）方法的开发可能在解决环境问题的同时，继续保持这一重要化学转化的优势。