V2EX alkyl bromide

Alkyl Bromide

Definition / 定义

烷基溴(烷基溴化物):一类有机卤代物,通式常写作 RBr,其中 R 是烷基(由烷烃去掉一个氢得到的基团),Br 是溴。常用于有机合成中(例如亲核取代反应、制备格氏试剂等)。在更广义上也可称为 alkyl halide(烷基卤化物) 的一种。

Pronunciation / 发音

/lkal bromad/

Examples / 例句

Alkyl bromides are often used in substitution reactions.
烷基溴常用于取代反应。

In the lab, we converted an alcohol into an alkyl bromide to make it a better leaving group for a later reaction.
在实验室里,我们把醇转化为烷基溴,使其在后续反应中成为更好的离去基。

Etymology / 词源

Alkyl 来自 alkali(碱) 与化学后缀 -yl(表示“基团”) 的结合,用来指代源自烷烃的一类烃基;bromide 源自 bromine(溴) 加后缀 -ide(表示“某元素的化合物/阴离子”)。而 bromine 一词可追溯到希腊语 bromos,意为“恶臭”,与溴的刺激性气味有关。

Related Words / 相关词

Literary Works / 文学作品

  • Organic Chemistry(Clayden, Greeves, Warren)
  • March’s Advanced Organic Chemistry(Smith & March)
  • Vogel’s Textbook of Practical Organic Chemistry(Vogel)
  • Organic Chemistry(Morrison & Boyd)
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