V2EX enol

Enol

定义 Definition

enol(烯醇):一种有机化学结构类型,特点是碳碳双键(C=C)羟基(OH)相连(或相邻),常与酮/醛的“酮式(keto)”互变,形成酮-烯醇互变异构(tautomerism)

发音 Pronunciation (IPA)

/inl/

例句 Examples

Enols are usually less stable than their keto forms.
烯醇通常比对应的酮式形式更不稳定。

In acidic or basic conditions, a carbonyl compound can interconvert between the keto form and the enol form, affecting reaction pathways.
在酸性或碱性条件下,羰基化合物可在酮式与烯醇式之间相互转化,从而影响反应途径。

词源 Etymology

enol 是由 ene-(表示“烯”,含有双键,来自 “ene” 这一烯烃后缀用法)与 -ol(表示“醇”,含羟基)组合而成,字面意思就是“带双键的醇”。该词用于描述兼具“烯(C=C)”与“醇(OH)”特征的结构。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren):在讨论羰基化学与互变异构时频繁出现 enol
  • March’s Advanced Organic Chemistry(Smith & March):在机理与反应性章节中用 enol 解释烯醇化与相关反应。
  • Advanced Organic Chemistry(Francis A. Carey & Richard J. Sundberg):在酸/碱催化互变与烯醇/烯醇盐反应中出现 enol
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