V2EX regiospecific

Regiospecific

Definition / 释义

regiospecific(区域选择性的;定向于特定位置的):主要用于化学(尤其有机化学)中,指一个反应只在分子中的某一个特定“位置/区域(regio-)”发生,从而只生成一种区域异构体(或几乎只生成一种)
(相关但不同:regioselective 指“偏向”生成某一位置的产物,但仍可能有其他位置的副产物。)

Pronunciation / 发音

/ridiospsfk/

Examples / 例句

The epoxidation was regiospecific and gave only one product.
这种环氧化反应具有区域专一性,只得到一种产物。

Under mild conditions, the catalyst promotes a regiospecific addition to the alkene, minimizing competing pathways.
在温和条件下,该催化剂促使烯烃发生区域专一性的加成,从而尽量减少竞争反应途径。

Etymology / 词源

由 **regio-**(“区域、位置”,源自拉丁语 regio)+ specific(“特定的、专一的”,源自拉丁语 specificus)构成。该词在现代化学语境中发展出来,用来精确描述反应在分子骨架上“发生在哪个位置”的专一性。

Related Words / 相关词

Literary Works / 文学与著作例证

  • March’s Advanced Organic Chemistry: Reactions, Mechanisms, and Structure(经典有机反应与机理参考书,讨论区域选择性/区域专一性相关概念)
  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren 等;教材中常在加成、取代等章节讨论 regioselective / regiospecific)
  • Advanced Organic Chemistry(Carey & Sundberg;在反应机理与选择性部分涉及区域专一性与区域选择性的区分)
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