V2EX prototropy

Prototropy

释义 Definition

prototropy(名词,化学)指质子互变异构:分子内部或分子之间发生质子(H)转移而导致的互变异构现象,常见于酮-烯醇互变等(属于“互变异构 tautomerism”的一种类型)。

发音 Pronunciation (IPA)

/prottropi/

例句 Examples

Prototropy can change a molecule’s reactivity.
质子互变异构会改变分子的反应性。

In aqueous solution, prototropy often shifts the equilibrium between keto and enol forms, influencing acidity and reaction pathways.
在水溶液中,质子互变异构常会改变酮式与烯醇式之间的平衡,从而影响酸性与反应路径。

词源 Etymology

来自希腊语构词:**proto-**(“第一、原初;也常与‘质子/氢离子转移’相关的科学语境相联系)+ -tropy(“转变、转向”,见于 tropy/tropism 一类词)。整体含义可理解为“与质子转移相关的转变/互变”。

相关词 Related Words

文献与著作中的用例 Literary / Notable Works

  • *IUPAC Compendium of Chemical Terminology (the “Gold Book”)*(对 prototropic / prototropy 等术语有规范性解释与引用)
  • Advanced Organic Chemistry(Francis A. Carey & Richard J. Sundberg)在互变异构与机理讨论中常出现该术语
  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren)讲解酮-烯醇互变与质子转移机理时常涉及该概念
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