V2EX aryl halide

Aryl Halide

释义 Definition

芳基卤化物:指芳香环(如苯环)上连接一个卤素原子(F、Cl、Br、I)的有机化合物,常写作 ArX(Ar = 芳基,X = 卤素)。在有机合成中常作为重要的反应底物(如偶联反应)。“Aryl halide”也常被称为 haloarene(卤代芳烃)

发音 Pronunciation (IPA)

/rl hl ad/

例句 Examples

Aryl halides are common starting materials in organic synthesis.
芳基卤化物是有机合成中常见的起始原料。

Compared with alkyl halides, many aryl halides resist nucleophilic substitution under mild conditions because the carbonhalogen bond has partial double-bond character.
与烷基卤化物相比,许多芳基卤化物在温和条件下不易发生亲核取代,因为其碳卤键带有一定的双键性质。

词源 Etymology

aryl 来自 aromatic(芳香的) 与化学后缀 -yl(表示“基团/取代基”) 的构词方式,表示“芳香基/芳基”。
halide 源于 halogen(卤素) + -ide(表示“……化物/阴离子”的化学后缀),合起来表示“卤化物”。因此 aryl halide 字面意思就是“芳基的卤化物”。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren)
  • March’s Advanced Organic Chemistry(Michael B. Smith)
  • Advanced Organic Chemistry(Francis A. Carey & Richard J. Sundberg)
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