V2EX substitution reaction

Substitution Reaction

Definition|释义

取代反应(置换反应):在化学反应中,一个原子、离子或官能团被另一个原子、离子或官能团替换,从而生成新的化合物的反应类型。常见于有机化学与无机化学(如亲核取代、亲电取代等)。

Pronunciation (IPA)|发音

/sbsttjun rikn/

Examples|例句

A substitution reaction replaces one group with another.
取代反应会用另一种基团替换原来的基团。

In nucleophilic substitution reactions, the leaving group departs as a nucleophile attacks the carbon, and the reaction pathway depends on factors like substrate structure and solvent.
在亲核取代反应中,离去基团离开,同时亲核试剂进攻碳原子;反应途径取决于底物结构、溶剂等因素。

Etymology|词源

substitution 来自拉丁语 substituere,意为“放到下面/代替放置”,引申为“替换、代用”;reaction 来自拉丁语 reactio,表示“反向作用、反应”。合起来的 substitution reaction 字面意思就是“发替换的反应”。

Related Words|相关词

In Literature|文学与典籍中的用例

  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren):在亲核取代与反应机理章节中大量使用 substitution reaction
  • Organic Chemistry(Paula Yurkanis Bruice):以 substitution reaction 为核心术语讲解 SN1/SN2 与影响因素。
  • March’s Advanced Organic Chemistry(Carey & Sundberg):在有机反应机理系统论述中频繁出现该术语。
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