V2EX regiochemistry

Regiochemistry

释义 Definition

区域化学;定位化学:有机反应中,反应会在分子上的哪个位置(区域/位点)发生、从而主要生成哪一种区域异构体(regioisomer)的规律与研究。常与区域选择性(regioselectivity)一起讨论。(也有人用该词泛指“与反应位点分布有关的化学问题”。)

发音 Pronunciation (IPA)

/ridiokmstri/

例句 Examples

Regiochemistry tells us where the new bond forms in the molecule.
区域化学告诉我们新键会在分子中的哪个位置形成。

In electrophilic addition to an unsymmetrical alkene, the regiochemistry often follows Markovnikov’s rule, giving one major product.
在不对称烯烃的亲电加成反应中,反应的区域化学往往遵循马氏规则,从而得到一种主要产物。

词源 Etymology

由 **regio-**(来自拉丁语 regio,意为“区域、范围”)+ chemistry(化学)构成,字面意思是“研究反应发生在分子哪个区域/位点的化学”。该词在有机化学中常用来强调“产物结构差异来自反应位置不同”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Organic Chemistry(Clayden, Greeves & Warren)在加成、取代与消除反应章节中讨论“regiochemistry/regioselectivity”。
  • March’s Advanced Organic Chemistry(Smith & March)系统论述影响区域选择性的因素与经典反应的区域化学。
  • Advanced Organic Chemistry(Carey & Sundberg)在反应机理与选择性分析中频繁使用该术语。
  • Modern Physical Organic Chemistry(Anslyn & Dougherty)从物理有机角度解释区域选择性的来源与能量学依据。
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