V2EX functional group isomer

Functional Group Isomer

释义 Definition

官能团异构体:一类结构异构(构造异构)关系。指分子式相同,但由于官能团种类不同而导致结构不同的异构体。常见例子如:醇(alcohol)与醚(ether)之间的异构。

发音 Pronunciation (IPA)

/fknl rup asmr/

例句 Examples

A functional group isomer has the same molecular formula but a different functional group.
官能团异构体具有相同的分子式,但官能团不同。

Ethanol and dimethyl ether are functional group isomers because they share the formula CHO but differ in functional group, leading to different properties and reactions.
乙醇与二甲醚是官能团异构体,因为它们都符合分子式 CHO,但官能团不同,从而表现出不同的性质与反应行为。

词源 Etymology

该术语由三部分组成:functional group(官能团)指决定有机物典型反应性质的一组原子;isomer(异构体)源自希腊语 isos(相同)+ meros(部分),意为“由相同部分组成但排列不同”。合起来调:同分子式但因官能团改变而造成的异构关系。

相关词 Related Words

文学与典籍 Literary Works

  • Organic Chemistry(Clayden, Greeves, Warren):在讨论“结构异构(constitutional isomerism)”时常以醇/醚等作为官能团异构示例。
  • Organic Chemistry(John McMurry):在有机化合物分类与异构现象章节中讲解functional group isomers及其对性质差异的影响。
  • March’s Advanced Organic Chemistry(Smith & March):在更深入的结构与反应性联系中,提及官能团差异导致的异构与反应途径差别。
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