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亲电基取代位置和实验值完全一致。The substituting position of electrophilic group accord with experimental value.

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。It is very difficult to sulfonate PES by electrophilic aromatic substitution reaction.

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不活泼的亲电试剂在较高温度下也能较好的进行。While the inactive electrophilic reagents can take place the reaction at high temperature also.

这些问题的讨论将深化学生对芳烃亲电取代反应机理的认识。It will become deepen to the students' recognization in mechanism of Aryl electrophilic substitution.

烯烃的自由基加成和亲电加成速率受不同的因素控制。The rate constants of radical and electrophilic addition to alkenes are dominated by different factors.

结论具有亲电子集团的GMA能与DNA带负电荷中心反应形成GMA-DNA加合物。Conclusions GMA with electrophilic group could react with negatively charged centers on DNA and form GMA DNA adducts.

CH3COO18F与氨基酸衍生物直接反应，得到相应的标记物。Fluorinated amino acid derivatives were synthesized by direct electrophilic reaction between amino acids and CH3COO18F.

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其合成一般是以苯胺和六氟丙酮为起始原料，经过亲电加成、酰化和还原三步反应。Synthesis of the substance from aniline and hexafluoroacetone involves electrophilic addition, acylation and reduction.

卤原子作为保护基，代替末端炔发生碳-氢官能团化反应。Halogen atom could activate the triple bond and as the directing group, the triple bond occurs the electrophilic addition reaction.

本文用亲电性腐蚀液、“静置”腐蚀法腐蚀实芯丝铅玻璃微通道板的芯料，并用扫描电镜和X射线能谱仪分析其形貌和化学成份。The "stirless' method and the electrophilic corrosive reagent is used for etching of the glass-core of Pb glass microchannel plate."

本文主要介绍非金属亲电试剂活化酰胺或炔酰胺制备的烯酮亚胺盐。This paper describes the keteniminium salts formed by electrophilic activation of amides or ynamides with non-metal electrophilic reagents.

对苯环上的亲电取代反应提出一种判断苯环上两类定位基的新方法。The treatise advances a new method to judge two kinds of fixed group of benzoic ring on electrophilic substitutive reaction in benzoic ring.

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它们能在肝脏内经酯的水解和千里光次碱基的去饱和被活化为活性亲电吡咯细胞毒素。They can be activated in the liver by hydrolysis of the ester and desaturation of the necine base to reactive electrophilic pyrrolic CYTOTOXINS.

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。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.

介绍了烯烃与卤化氢的亲电加成反应中四种反马氏规则的类型，并作出了理论解释。Four conditions against Markovnikov' rule on electrophilic addition to alkenes and alkyl halides are discussed, and a theoretical explanation is made as well.

苯甲酸类化合物对发光菌的致毒机制中可能有亲电作用发生，毒性可用TSA和ELUMO来联合描述。The toxic mechanism of benzoic acids to Photobacterium phosphoreum was mainly electrophilic and toxicities could be described by TSA in combination with ELUMO.

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

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本文利用三氯化铝作催化剂，废聚苯乙烯与溴发生亲电取代反应合成溴化聚苯乙烯阻燃剂。In this paper, bromized polystyrene flame retardant was synthesized by electrophilic substitution of waste polystyrene with bromine using aluminium ehlorid as catalyst.

与其他类型亲电氟化剂不同的是，它们都较为稳定，便于制备、贮藏、运输，而且有效氟含量高。Unlike many other types of electrophilic fluorinating agents, these reagents are usually stable, easily handle, storable, transportable and high in effective fluorine content.

亲电氟化试剂，尤其是对映选择性亲电氟化剂近年来发展较快，成为氟化研究和应用的重要领域。Electrophilic, especially enantioselective electrophilic fluorinating agents were developed quickly in recent years, and there were important aspects of fluorination researches and applications.