V2EX acyl

Acyl

释义 Definition

酰基:有机化学中常见的一类官能团/基团,通常表示由羧酸(或相关含羰基化合物)去掉羟基(OH)后所得到的部分,通式常写作 RC(=O)。常见例子如乙酰基(acetyl, CHCO)。在命名与反应中常与酰化(acylation)等概念一起出现。

发音 Pronunciation

/esal/

例句 Examples

An acyl group contains a carbonyl carbon.
酰基包含一个羰基碳原子。

In acyl substitution reactions, the leaving group is replaced while the acyl carbon remains the key reaction center.
在酰基取代反应中,离去基被替换,而酰基碳仍是关键的反应中心。

词源 Etymology

acyl 为近代化学术语,构词思路来自 acid(酸) 与化学后缀 -yl(表示“基/取代基”) 的结合,用来表示“源自酸的基团”。该词在有机化学体系建立与官能团命名规范化的过程中逐渐固定下来。

相关词 Related Words

文学/著作示例 Literary Works

  • Organic Chemistry(Clayden, Greeves & Warren):在亲核酰基取代、酰氯、酸酐与酯/酰胺反应章节中大量出现 acyl
  • March’s Advanced Organic Chemistry(Carey & Sundberg):讨论反应机理与“acyl transfer(酰基转移)”等主题时频繁使用。
  • Lehninger Principles of Biochemistry(Nelson & Cox):在脂肪酸活化、酰基载体(如 acyl-CoA)与代谢反应中常见。
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