electrophilic addition

electrophilic addition 基本解释

亲电加成；亲电加成反应

化学

重点词汇

• additionn. 加法, 增加的人(或物) [计] 加法
• electrophilic[机] 亲电性的

electrophilic addition 双语例句

1. 1、 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。
2. 2、 Four conditions against Markovnikov'rule on electrophilic addition to alkenes and alkyl halides are discussed, and a theoretical explanation is made as well.
   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。
3. 3、 The rate constants of radical and electrophilic addition to alkenes are dominated by different factors.
   烯烃的自由基加成和亲电加成速率受不同的因素控制。
4. 4、 Several problems on the electrophilic addition reaction of alkenes
   烯烃、炔烃亲电加成反应难易探讨
5. 5、 Several Conditions against Markovnikov 'Rule on electrophilic addition to Unsymmetrical Alkenes
   不对称烯烃亲电加成中几种反马氏规则的类型
6. 6、 METHODS: Electrophilic substitution, reduction, oxidation and nucleophilic addition reaction were used in the synthesis of title compounds.
   方法：通过亲核取代、还原、氧化、亲核加成等反应得到目的化合物。
7. 7、 electrophilic addition, which is the principal reaction of cyclization;
   亲电加成，它是成环的主要反应；
8. 8、 The double bond of cyclopentenyl on Cp with HBr, halogen underwent normal electrophilic addition reaction.
   茂环上环戊烯基的双键与HBr和卤素发生正常的亲电加成反应。
9. 9、 For electrochemical degradation of 4-CP, the C-Cl bond was broken and chlorine ion was taken away from the benzene ring as a result of electrophilic addition reaction of hydroxyl radical. The combination technologies of reduction dechlorination and oxidat
   电化学氧化降解中C-Cl键断裂是羟基攻击苯环发生亲电加成反应的结果，继而提出还原脱氯和氧化降解结合的工艺。
10. 10、 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 rea
    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。
11. 11、 The electrophilic reaction of methyl pyropheophorbide-a ( MPP-a) demonstrates that the electrophilic addition reaction and the electrophilic substitution reaction occur on the vinyl group at 3-position and 20-meso-position, respectively.
    焦脱镁叶绿酸a甲酯与溴素的亲电反应表明：在3位乙烯基上发生亲电加成反应，而与20位的meso氢则发生亲电取代反应。
12. 12、 Synthesis of the substance from aniline and hexafluoroacetone involves electrophilic addition, acylation and reduction.
    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。
13. 13、 Second, we completed the selective N-alkylation and electrophilic addition of pyrrole ionic liquids [ Bmim] [ BF4], [ Bmim] [ PF6].
    第二、我们成功地在离子液体[Bmim][BF4]、[Bmim][PF6]中实现了选择性进行吡咯的亲核取代和亲电加成反应。