V2EX halogenation

Halogenation

Definition / 定义

卤化(反应):指在化学反应中把卤素元素(如氟 F、氯 Cl、溴 Br、碘 I)或含卤基团引入到分子里,使原有化合物转变为卤代化合物的过程。常见于有机化学(如烷烃、烯烃、芳香烃等的反应),也可用于材料与工业合成。
(在不同语境下也可能特指“对某类底物进行卤素取代/加成”的具体反应类型。)

Pronunciation / 发音

/hldnen/

Examples / 例句

Halogenation is a common way to make chloroalkanes.
卤化反应是制备氯代烷烃的一种常见方法。

In the lab, selective halogenation of an aromatic ring often requires careful control of catalysts and temperature to avoid polyhalogenation.
在实验室中,要让芳环发生选择性卤化,通常需要精细控制催化剂与温度,以避免发生多重卤化。

Etymology / 词源

halogenation 来自 halogen(卤素)+ -ation(表示“……的过程/作用”的名词后缀)。
halogen 源于希腊语词根,意为“产盐者”(卤素与金属反应容易生成盐类,如氯化钠)。

Related Words / 相关词

Literary Works / 文学作品

  • Organic Chemistry(Clayden, Greeves & Warren)在芳香亲电取代、烯烃加成等章节中大量讨论卤化反应机理与选择性。
  • March’s Advanced Organic Chemistry(March)系统梳理卤化相关的反应路径、活性与区域/立体选择性。
  • Vogel’s Textbook of Practical Organic Chemistry(Vogel)在实验操作与制备实例中常出现卤化步骤与安全注意事项。
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