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- It is very difficult to sulfonate PES by electrophilic aromatic substitution reaction. 同时通过改变氯磺酸与聚醚砜的摩尔比,可以对反应进行控制。
- Electrophilic aromatic substitution takes place at C5 requiring Activating groups. 在有活化基的情况下可以在C5发生亲电芳香取代反应。
- A possible mechanism is discussed, the nucleophilio aromatic substitution S_NAr and S_(RN)Ar (SET) may occur simultaneously. 此类反应的主要历程属于S_NA_r,但同时也存在着S_(RN)A_r(SET)历程作为次要途径。
- In general, the products obtained from these Pd-catalyzed reactions are complementary to those obtained via traditional methods, such as electrophilic aromatic substitution and benzylic halogenation. 一般来说;这些产品来自钯催化反应是相辅相成的所得;经传统方法苄、电等替代卤代芳香.
- nucleophilic aromatic substitution 亲核性芳香取代
- orientation in aromatic substitution [化] 芳香族取代定向
- mechanism of electrophilic aromatic substitution [化] 芳香族亲电子取代反应机理
- mechanism of mucleophilic aromatic substitution [化] 芳香族亲核取代反应机理
- nucleophilic aromatic substitution reaction 亲核芳香取代反应
- electrophilic aromatic substitution 亲电芳香取代
- eletrophilic aromatic substitution 亲电芳香取代
- In the third part, the condensed Fukui function (CFF) has been used to predict the reactive sites for electrophilic aromatic substitution in osmabenzene and mono substituted osmabenzene. 第三部分运用凝聚的Fukui函数预测了锇杂苯及单取代锇杂苯在亲电芳香取代反应中的活性部位。
- The drink was mixed with aromatic spices. 饮料中带有香料。
- Aromatic herbs are often used in cooking. 芳草常用於烹调。
- We use saccharin in substitution for sugar. 我们用糖精代替糖。
- The Nucleophilic Aromatic Substitution for Hydrogen and Its Application in the Synthesis of 4-Aminodiphenylamine 芳香亲核取代氢反应及4-氨基二苯胺的合成
- Keywords nucleophilic aromatic substitution for hydrogen;4-aminodiphenylamine;synthesis;green chemistry; 芳香亲核取代氢反应;4-氨基二苯胺;合成;绿色化学;
- Keywords Polydivinylbenzene;Electrophilic aromatic substitution;Highly crosslinked resins; 聚二乙烯苯;亲电取代;高交联树脂;
- It has an agreeable aromatic smell. 它有一种好闻的香味。
- The hard, aromatic seed of this tree, used as a spice when grated or ground. 肉豆蔻种子这种树硬而带香味的种子，磨碎或碾碎后作香料用
