V2EX chain isomer

Chain Isomer

释义 Definition

chain isomer(链异构体):指与另一化合物分子式相同,但碳骨架(碳链的连接方式/分支程度)不同的一类结构异构体(constitutional isomers)。常见于烷烃等有机化合物中(如正丁烷与异丁烷)。

发音 Pronunciation (IPA)

/ten asmr/

例句 Examples

A chain isomer has the same molecular formula but a different carbon skeleton.
链异构体具有相同的分子式,但碳骨架不同。

Although both are C5H12, the chain isomers differ in branching, which changes properties like boiling point and reactivity patterns.
尽管它们的分子式都是 C5H12,这些链异构体在支化程度上不同,从而影响沸点等物理性质以及反应表现。

词源 Etymology

chain 源自古法语 chaine(链条),在化学语境中引申为“碳链/骨架”;isomer 来自希腊语 isos(相同)+ meros(部分),表示“由相同组成部分构成但排列不同”。合在一起,chain isomer 就是“由于链(骨架)连接方式不同而形成的异构体”。

相关词 Related Words

ul>
  • Constitutional
  • Isomer
  • Structural
  • Skeletal
  • Branching
  • Alkane
  • Butane
  • Isobutane
  • 文学与经典出处 Literary & Notable Works

    • *IUPAC Compendium of Chemical Terminology (the “Gold Book”)*(对异构/结构相关术语有权威界定与用法)
    • Organic Chemistry Jonathan Clayden, Nick Greeves, Stuart Warren(有机化学教材中讲“结构异构/链异构”的常见术语)
    • March’s Advanced Organic Chemistry Michael B. Smith(讨论结构与反应性关系时常涉及链/骨架异构)
    • Organic Chemistry Morrison & Boyd(基础有机化学教材中介绍链异构与支化对性质的影响)
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