electrophilic的例句大全

Studies on Use of NMR for the Aromatic Electrophilic Substitution Reaction

NMR在芳基亲电取代反应中的应用研究

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So far, there is no report focus on using electrophilic reagents to capture active zwitterionic intermediates derived by diazo amides.

然而，迄今为止仍没有重氮酰胺参与的基于亲电试剂捕捉活性离子对中间体的反应报道。

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Synthesis of bis ( indolyl) methanes via electrophilic substitution reactions of indoles with aromatic aldehydes and ketones catalyzed by aminosulfonic acid was carried out in 23-96% yield at 30~ 38 ° C in EtOH aqueous solution under ultrasound irradiation.

超声辐射下在30～38℃的乙醇水溶液中，氨基磺酸催化吲哚与芳香醛或酮反应合成二吲哚甲烷，产率23～96%。

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HexA has negative effects on bleaching: it reacts with electrophilic bleaching agent such as chlorine, chlorine dioxide, ozone and peracid;

HexA的存在，对纸浆漂白有不利的影响：与亲电漂剂（如Cl2、ClO2、O3和过氧酸）发生反应，消耗一部分漂白药品；

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The possible mechanism of M/ ACF catalytic ozonation is decomposition of ozone to produce hydroxyl radical and enhance oxidation ability of ozone by forming electrophilic center.

M/ACF催化剂作用的机理包括两种途径：催化臭氧氧化分解产生了高活性自由基和催化剂吸附有机物形成表面环状螯合物，形成较强的亲核部位，提高臭氧反应能力。

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Several problems on the electrophilic addition reaction of alkenes

烯烃、炔烃亲电加成反应难易探讨

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Because the reaction initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction.

因为反应是由亲电试剂的附加而开始的，所以这个过程叫做亲电加成反应。

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Iso-butene and methanol etherification proceeds according to the electrophilic addition mechanism, Iso-butene makes protonation reaction as the proton acceptor under the acid catalyst function, being born the positive carbon ion, intermediate products react rapidly with nucleophilic reagent ( CH3O-) to produce MTBE.

异丁烯在酸性催化剂作用下作为质子的接受体发生质子化反应，生成正碳离子；作为中间产物的正碳离子，再迅速同亲核试剂CH3O-反应，生成MTBE。

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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。

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Predication of Reactive Sites in Electrophilic Substitution of Heterocycles and Mono Substituted Heterocycles by Condensed Fukui Function

Fukui函数在传统杂环及单取代杂环亲电取代反应中的活性部位预测

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Reactivity of electrophilic substitutions of different positions on phenanthrene are discussed according to the theory of Resonance, PMO method and EHMO method.

利用共振论、PMO法、EHMO法，对菲亲电取代反应各位点的活性进行了解释。

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Orientation Effect of the Methoxy on the Reaction of Electrophilic Aromatic Substitution

甲氧基在苯甲醚亲电取代反应的定位作用

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Advances in Gas-Phase Electrophilic Aromatic Substitution Reaction

气相芳香亲电取代反应研究进展

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The Relation between~ 1H-NME δ and Electrophilic Substitution Reaction of Aromatic Hydrocarbon

~1H-NMR化学位移与芳烃亲电取代反应

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Electrophilic substitute reaction of penta-heterocyclic compounds

五元杂环化合物的亲电取代反应

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Studies of Phase Transfer Catalysis in the Electrophilic Substitution ── Relation between the Catalytic Power and the Structure

亲电取代反应中相转移催化剂结构和性能的关系

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Some Criterions of the Electrophilic Substitution Reactivity at the Ortho, Para and Meta Position of the Mono-substituted Benzenes

一元取代苯邻、间、对位亲电取代反应活性的几种判据

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The results show that electrophilic substitution could occur between CTP and TPA under the action of toluene p sulfonic acid.

实验结果表明，对苯二甲醛在酸性催化剂的催化作用下与煤沥青发生亲电取代反应；

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A new method for calculating atomic charges in molecules and quantitative treatment of the orientation effect of electrophilic aromatic substitution reaction

计算分子中原子净电荷的新方法及芳烃亲电取代反应定位效应的定量处理

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Synthesis and biological activity of some thebaine and oripavine derivatives with flexible electrophilic chains

具有柔性亲电侧链的蒂巴因和奥利文衍生物的合成和生物活性

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