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单词 electrophilic
释义

Definition of electrophilic in English:

electrophilic

adjective ɪˌlɛktrə(ʊ)ˈfɪlɪkəˌlɛktrəˈfɪlɪk
Chemistry
  • (of a molecule or group) having a tendency to attract or acquire electrons.

    〔化〕亲电子的。常与NUCLEOPHILIC 相对

    Often contrasted with nucleophilic
    Example sentencesExamples
    • Halogenation occurs readily with aniline by electrophilic aromatic substitution.
    • Ozone is a strong electrophilic reagent which can attack the double bond found in alkenes.
    • Addition reactions of electrophilic reagents to the alkene double bond (yielding substituted alkenes) are the most typical.
    • Methyl lithium is very reactive and acts as a nucleophilic methylating reagent to electrophilic functional groups, such as ketones.
    • In the mining industry, the production of TNT is made possible by the electrophilic nitration of toluene (methyl benzene).

Derivatives

  • electrophile

  • noun ɪˈlɛktrə(ʊ)fʌɪl
    Chemistry
    • A molecule or substance that has a tendency to attract or acquire electrons.

      〔化〕亲电子的。常与NUCLEOPHILIC 相对

      the formation of electrophiles which react with DNA
      Example sentencesExamples
      • As a result, carbonyl compounds can form carbon anions and act as nucleophiles rather than electrophiles.
      • Alkylating agents are electrophiles that add methyl, ethyl and more complicated alkyl groups to nucleic acid bases.
      • Many of these vinyl compounds are made by the reaction of acetylene with electrophiles.

Definition of electrophilic in US English:

electrophilic

adjectiveəˌlɛktrəˈfɪlɪkəˌlektrəˈfilik
Chemistry
  • (of a molecule or group) having a tendency to attract or acquire electrons.

    〔化〕亲电子的。常与NUCLEOPHILIC 相对

    Often contrasted with nucleophilic
    Example sentencesExamples
    • Methyl lithium is very reactive and acts as a nucleophilic methylating reagent to electrophilic functional groups, such as ketones.
    • Ozone is a strong electrophilic reagent which can attack the double bond found in alkenes.
    • Halogenation occurs readily with aniline by electrophilic aromatic substitution.
    • In the mining industry, the production of TNT is made possible by the electrophilic nitration of toluene (methyl benzene).
    • Addition reactions of electrophilic reagents to the alkene double bond (yielding substituted alkenes) are the most typical.
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更新时间:2024/11/11 7:33:19