allylic

简明释义

英[ˈælɪlɪk]美[ˈæləˌlɪk]

adj. 烯丙基的

英英释义

单词用法

同义词

反义词

例句

1.The isomeric branched carbonate also produced the branched allylic ether selectively (entry 10).

碳酸盐的异构支支也产生选择性烯丙基醚（条目10）。

2.Thus, the reaction with aryl-substituted allylic carbonates is regioselective.

因此，与芳基取代的烯丙基碳酸反应选择性。

3.The turnover-limiting step for the asymmetric allylic oxidation is the formation of chiral catalyst-allyl perbenzoate complexes.

其中催化剂-苯甲酸丁烯酯手性加合物的生成是反应产物的手性决定步骤。

4.The rearrangement of allylic double bond took placed in the course of these reaction. 6—12 are able to undergo a lot of electrophilic substitution reaction.

产物是双键经过重排的取代烯丙基二甲基甲氧基硅烷6—10，该产物可进行一系列亲电取代反应。

5.This paper reviewed studies on the improvement of bismaleimide resins by modifying with allylic compounds during recent 8 years.

综述了近8年来烯丙基化合物改性双马来酰亚胺的研究情况。

6.The rearrangement of allylic double bond took placed in the course of these reaction. 6—12 are able to undergo a lot of electrophilic substitution reaction.

产物是双键经过重排的取代烯丙基二甲基甲氧基硅烷6—10，该产物可进行一系列亲电取代反应。

7.An advantage of the new methods is the utilization of easily accessible allylic amine derivatives as monomer precursors.

利用这种新方法是利用方便烯胺衍生物作为单体的前体。

8.We studied the allylic 烯丙基的 rearrangement in our latest experiment.

在我们最新的实验中，我们研究了烯丙基的重排。

9.In organic chemistry, allylic 烯丙基的 compounds are often more reactive than their non-allylic counterparts.

在有机化学中，烯丙基的化合物通常比它们的非烯丙基同类物更具反应性。

10.The allylic 烯丙基的 position is crucial in determining the stability of certain molecules.

在确定某些分子的稳定性时，烯丙基的位置至关重要。

11.The synthesis of allylic 烯丙基的 esters can be achieved through various methods.

通过多种方法可以合成烯丙基的酯。

12.The reaction produced an allylic 烯丙基的 alcohol as the main product.

该反应产生了一种烯丙基的醇作为主要产物。

作文

In the realm of organic chemistry, the term allylic refers to a specific structural feature of molecules. It describes a position that is adjacent to a double bond, particularly one involving a carbon-carbon double bond. Understanding allylic structures is crucial for chemists because they often exhibit unique reactivity patterns that can be exploited in synthetic processes. For instance, when a reaction occurs at an allylic position, it can lead to the formation of various products through mechanisms such as allylic substitution or allylic rearrangement. One classic example of allylic chemistry is found in the synthesis of natural products. Many biologically active compounds possess allylic functionalities which contribute to their pharmacological properties. For instance, terpenes, a large class of organic compounds produced by various plants, often contain allylic groups that play a role in their aroma and flavor profiles. The allylic positions in these molecules can serve as sites for further functionalization, leading to derivatives with enhanced biological activity. In addition to its significance in natural product synthesis, allylic chemistry also finds applications in medicinal chemistry. The ability to modify allylic positions can result in compounds with improved efficacy or reduced side effects. Researchers often explore allylic modifications to optimize drug candidates during the development process. This highlights the importance of understanding the underlying principles of allylic reactivity and how it can be harnessed to create more effective therapeutic agents. Moreover, the concept of allylic strain is another fascinating aspect of this topic. In certain cyclic compounds, having substituents at allylic positions can introduce steric hindrance, affecting the stability and reactivity of the molecule. This strain can influence the outcomes of chemical reactions, making it essential for chemists to consider allylic arrangements when designing experiments or predicting reaction pathways. In summary, the term allylic encompasses a critical area of study within organic chemistry. Its implications extend beyond mere definitions; it influences the design of synthetic routes, the development of pharmaceuticals, and the understanding of molecular behavior. By grasping the nuances of allylic structures and their reactivity, chemists can unlock new possibilities in both research and practical applications. As the field of chemistry continues to evolve, the relevance of allylic chemistry will undoubtedly remain prominent, driving innovation and discovery in various scientific domains.

在有机化学领域，术语allylic指的是分子的一种特定结构特征。它描述了一个相邻于双键的位置，特别是涉及碳-碳双键的情况。理解allylic结构对于化学家至关重要，因为它们通常表现出独特的反应性模式，这些模式可以在合成过程中被利用。例如，当反应发生在allylic位置时，可能通过如allylic取代或allylic重排等机制导致各种产物的形成。allylic化学的一个经典例子可以在天然产品的合成中找到。许多生物活性化合物具有allylic官能团，这些官能团对其药理特性起着重要作用。例如，萜类化合物是由各种植物产生的大类有机化合物，通常含有allylic基团，这些基团在其香气和风味特性中发挥作用。这些分子中的allylic位置可以作为进一步功能化的位点，从而形成具有增强生物活性的衍生物。除了在天然产品合成中的重要性外，allylic化学还在药物化学中找到了应用。修改allylic位置的能力可以导致具有更高效力或降低副作用的化合物。研究人员经常探索allylic修饰，以优化药物候选物的开发过程。这突显了理解allylic反应性基本原理的重要性，以及如何利用这些原理创造更有效的治疗剂。此外，allylic应变的概念也是这一主题的另一个迷人方面。在某些环状化合物中，具有在allylic位置的取代基可能会引入空间阻碍，从而影响分子的稳定性和反应性。这种应变可以影响化学反应的结果，因此化学家在设计实验或预测反应路径时必须考虑allylic排列。总之，术语allylic涵盖了有机化学中的一个关键研究领域。它的影响超越了简单的定义；它影响合成路线的设计、药物的开发以及分子行为的理解。通过掌握allylic结构及其反应性的细微差别，化学家可以解锁研究和实际应用中的新可能性。随着化学领域的不断发展，allylic化学的相关性无疑将继续显著，推动各个科学领域的创新和发现。