把亲核剂的亲核性和碱性的区别与相同之处进行了比较。
It compares the nucleophilicity of nocleophilic reagent with the similarities and differences of basicity.
探讨碱性、溶剂极性、离去基团、吸电子基团、亲核试剂的亲核性对反应影响。
There are impact factor to be discussed such as solvent polarity, nucleofuge, attract electron group the nunucleophilicity of nucleophilic reagent.
在B3LYP/6-311G计算所得的平衡几何构型基础上,分别根据静电势和分子轨道计算研究了分子中-NH2和-N(CH3)2的亲核性,并与偏二甲基肼和卤代烃反应的实验结果进行了对比分析。
On the basis of equilibrated geometrical structure obtained by B3LYP/6-311G method, the nucleophilicity of-N(CH3)2 and-NH2 groups are investigated by electrostatic potential and MO calculations.
从电性角度讨论了有机物分子的亲电性和亲核性问题,并阐述了两者在有机合成中的应用。
In this paper, electroaffinity and nucleophilicity of organic compound have been investigated, and their application in organic synthesis also has been discussed.
亲核性芳香取代。多取代苯衍生物合成的策略。
Nucleophilic Aromatic Substitution. Strategies in the Synthesis of Multisubstituted Benzene Derivatives.
极性转换的本质是有机化合物反应中心碳原子电性发生转换,即亲电性或亲核性发生转换的过程。
The essence of polar conversion is that organic compound reflects the carbon atom electricity in the centre and changes, kiss the electricity or kiss the core course changing.
并且对亲核试剂的体积效应、溶剂效应对亲核性影响,底物上吸电子基团的数目、吸电子能力对亲电性的影响,以及亲核取代反应的发生部位受哪些因素影响进行探讨。
At the same time, discuss about the impact factor to nucleophilicity such as the number of attract electron group, ability of attract electron and the nucleophilic substitution reaction part.
并且对亲核试剂的体积效应、溶剂效应对亲核性影响,底物上吸电子基团的数目、吸电子能力对亲电性的影响,以及亲核取代反应的发生部位受哪些因素影响进行探讨。
At the same time, discuss about the impact factor to nucleophilicity such as the number of attract electron group, ability of attract electron and the nucleophilic substitution reaction part.
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