查询词典 alder

2, 3-Naphthalocyaninatocobalt compounds, a new type of functional materials, have been successfully prepared by using of Diels-Alder reaction.

采用Diels-Alder方法合成了2，3-萘二腈和6，7-二溴-2，3-萘二腈化合物，并以此为前体成功地合成了相应的钴萘酞菁系列化合物---一种新型的功能有机材料。

Because of the good regio-and stereoselectivity, Diels-Alder reaction has become the important tool of synthetic chemistry and significant object of theoretical study.

Diels—Alder反应由于其良好的区位和立体选择性而成为合成化学的重要工具及理论研究的重要对象。

In the synthetic reaction process dicyclopentadiene is a terminal group sealing agent,and there is no Diels-Alder addition reaction taking place.

在合成反应过程中二聚环戊二烯是端基封闭剂，无Diels-Alder加成反应发生。

Diels-Alder reaction has been one of the cornerstone reactions in organic chemistry for the construction of six-membered rings and the formation of carbon-carbon binds.

Diels-Alder 反应是有机化学中建构六员环和碳碳键生成最为重要的反应之一。

In the second part, a fully functionalized C-ring synthon was synthesized by asuccessful use of a known intramolecular Diels-Alder reaction.

第二部分我们运用一已知分子内DielS-Alder反应成功地进行了官能化的Taxol C环片断的合成。

Diels-Alder reaction has been one of the cornerstone reactions in organicchemistry for the construction of six-membered rings and the formation ofcarbon-carbon binds.

Diels-Alder 反应是有机化学中建构六员环和碳碳键生成最为重要的反应之一。

This synthetic strategy is based on the combination of different polymerizations, especially controlled polymerizations, and the combination of different controlled polymerizations with coupling reactions, such as "click" reactions, Diels-Alder reaction and active ester reaction etc..

这一合成方法的思路是基于将不同聚合反应，尤其是不同可控聚合反应相结合，或者将可控聚合与不同的偶合反应，例如与点击反应、Diel-Alder反应和活性酯反应等相结合。

In the first chapter, two reviews on the synthesis of nitrogen compounds fromcarbohydrates and the synthesis of pyridines by Diels-Alder reaction were introducedrespectively.

第一章简要介绍了以碳水化合物为原料合成含氮杂环化合物的研究进展和以Diels-Alder反应合成吡啶类化合物的研究进展，确定了本论文的研究课题。

Maleopimaric acid can be synthesized by Diels-Alder reaction from rosin and maleic anhydride by phosphato-molybdic acid .

以杂多酸磷钼酸为催化剂合成了马来海松酸。

A noteworthy one is that we have obtained the Fukui function and local softness of πbond region for the first time, only by which we can explain and predict theregioselecitivity of Diels-Alder reaction etc.

可见原子-键电负性均衡方法中的σπ模型不仅具有简便易行的优点，而且得到的各种反应标度或稳定性指标具有计算简便、概念直观、易于使用等特点。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。