V2EX stereospecific

Stereospecific

释义 Definition

stereospecific(立体专一的 / 立体专属性的):指一种化学反应或过程会因为反应物的立体构型不同而给出不同且确定的产物立体构型;也就是说,反应对“空间排列”非常敏感。常用于有机化学与立体化学语境。(相关但不同的概念是 stereoselective“立体选择性”,它强调偏好生成某一立体产物,但不一定由底物立体构型一一决定。)

发音 Pronunciation (IPA)

/stri.ospsfk/

例句 Examples

The reaction is stereospecific.
这个反应是立体专一的。

In a stereospecific substitution, changing the substrate’s configuration can lead to a different stereochemical outcome in the product.
在立体专一的取代反应中,改变底物的构型可能会导致产物呈现不同的立体化学结果。

词源 Etymology

stereospecific 由 **stereo-**(来自希腊语 stereos,意为“立体的、空间的”)和 specific(“特定的、专一的”)组成。整体字面意思就是“对立体构型具有特定对应关系的”,因此用来描述“底物立体结构与产物立体结构之间有明确对应”的反应特征。

相关词 Related Words

文学与经典著作中的用例 Literary Works

  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren):在讨论加成、取代与立体化学控制时常出现 stereospecific
  • March’s Advanced Organic Chemistry(Michael B. Smith;早期版本与“March”传统相关):在反应机理与立体后果章节中频繁使用该术语。
  • Stereochemistry of Organic Compounds(Ernest L. Eliel, Samuel H. Wilen):作为立体化学核心概念之一系统讨论 stereospecific 反应。
  • Advanced Organic Chemistry(Carey & Sundberg):在机理推导(如加成/消除与取代的立体结果)中使用该词。
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