aromatic group

The electronic structures of the aromatic compounds with the elements of group ⅴ A or ⅵ A and the relation between P π-conjugation and their molecular geometries were described. The calculation of P π-conjugation energy was also represented in this paper.

本文对含第Ⅴ或Ⅵ主族元素的芳香化合物的电子结构，Pπ共轭与分子几何结构的关系以及Pπ共轭能的计算作一综述。

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The corresponding aldehyde acetals were obtained in almost quantitative yields when alcohols were treated with aromatic aldehydes bearing an electron-withdrawing substituent such as a nitro group.

当强吸电子的芳香醛为底物如硝基取代的苯甲醛时，几乎定量给出相应的缩醛产物。

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Infrared spectroscopy shows that grafting of aromatic group on the molecular chain of CPP is successful.

红外谱图表明,在原来的CPP分子链 上接上了芳环基团.

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A chemical compound containing the azido group combined with an element or radical. Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.

叠氮原子团和一种元素或一种基结合形成的一种化合物。大多数连于芳核能被直接取代的基团仅限于重氮盐。

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Substitution of the aromatic hydrogen atom of the Schiff base ligand with electron withdrawing group decreased the amount of the complex encapsulated in the zeolite cavities, but could improve the catalytic activity of the encapsulated complex.

席夫碱芳环上的H被吸电子基团取代后，降低了Y分子筛超笼中封装的钴配合物的量，但能改善催化活性。

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Synthesis and Characterization of a Bifunctional Initiator Containing Azo Bond and Aromatic Amine Group

含有偶氮键和芳香胺基双官能团引发剂的合成及表征游离基-阴离子引发剂

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