V2EX pinacol

Pinacol

释义 Definition

Pinacol 指一种有机化合物,中文常译为频那醇,化学名称为2,3-二甲基-2,3-丁二醇(一种“邻二醇/偕二醇”,即两个羟基在相邻碳上)。它在有机化学中很常见,尤其用于讲解频那醇重排(pinacol rearrangement)等反应。

发音 Pronunciation (IPA)

/pnkl/

例句 Examples

Pinacol is a diol used in organic chemistry experiments.
频那醇是一种在有机化学实验中使用的二醇。

Under acidic conditions, pinacol can undergo a rearrangement to form pinacolone.
在酸性条件下,频那醇可以发生重排反应生成频那酮(pinacolone)。

词源 Etymology

Pinacol 这个词来自早期化学命名传统:词尾 -ol 表示“醇”。“pina-”部分与旧式名称 pinacone(历史上与丙酮/相关体系的命名传统有关)相连,整体意思可理解为“与该体系相关的一种醇”。后来在现代系统命名中,它对应为 2,3-二甲基-2,3-丁二醇

相关词 Related Words

文学与名著用例 Literary & Notable Works

  • March’s Advanced Organic Chemistry(有机反应机理经典教材,讨论频那醇重排及相关底物)
  • Organic Chemistry(Clayden, Greeves & Warren;常见本科教材,涉及 pinacol/pinacolone 与重排反应)
  • Organic Chemistry(Morrison & Boyd;常见教材版本中通常会提到频那醇重排作为典型重排反应)
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