V2EX acyl chloride

Acyl Chloride

Definition / 定义

酰氯(又称“酸氯”):一种有机化合物官能团,通式常写作 RCOCl。它是羧酸的“活化”衍生物之一,反应性很强,常用于制备酯、酰胺等化合物,也容易与水反应生成羧酸并放出氯化氢。

Pronunciation (IPA) / 发音(IPA)

/esal klrad/

Examples / 例句

Acyl chlorides react quickly with water.
酰氯与水反应很快。

In the lab, we used an acyl chloride to convert an alcohol into an ester under mild conditions.
在实验室里,我们用酰氯在较温和的条件下把醇转化成酯。

Etymology / 词源

acyl 来自“酰基”的概念(指含 RCO 的基团),这个词最终可追溯到拉丁语 acetum(醋)相关的构词传统;chloride 源自希腊语 khlōrós(“黄绿色”),与氯元素的颜色有关。合起来 acyl chloride 字面意思就是“酰基的氯化物”,对应化学结构 RCOCl

Related Words / 相关词汇

In Literature / 文献与著作中的用例

  • Organic Chemistry(Clayden, Greeves & Warren)在“羧酸及其衍生物”章节系统讨论酰氯的制备与反应。
  • March’s Advanced Organic Chemistry(Michael B. Smith 等)在亲核酰基取代反应机理中频繁出现“acyl chloride”。
  • Advanced Organic Chemistry(Carey & Sundberg)以酰氯作为高反应性酰基供体,讲解选择性与反应条件控制。
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