V2EX alkene

Alkene

定义 Definition

alkene(烯烃):一种不饱和烃,分子中至少含有一个碳碳双键(C=C)。最常见的一类可用通式 CH(适用于含一个双键的非环状烯烃)表示。另有较少见的用法指“烯基(alkenyl)”相关的化合物名称。

发音 Pronunciation (IPA)

/lkin/

例句 Examples

Alkenes contain at least one carboncarbon double bond.
烯烃至少含有一个碳碳双键。

In industrial chemistry, ethenean alkeneis used to make polyethylene through polymerization.
在工业化学中,乙烯(一种烯烃)可通过聚合反应制得聚乙烯。

词源 Etymology

alkenealk-(源自 alkyl “烷基”,与“烃类”命名体系有关)+ -ene(有机化学后缀,常用来表示含双键的烃,如 ethenepropene)构成。该命名反映了其关键结构特征:碳碳双键

相关词 Related Words

文学与著作中的用例 Literary Works

  • Organic Chemistry(Paula Yurkanis Bruice):教材中系统讨论烯烃的结构、反应与立体化学。
  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren):大量章节以烯烃为核心例子讲解加成反应与反应机理。
  • March’s Advanced Organic Chemistry(Michael B. Smith & Jerry March):在更高阶的有机反应机理语境中频繁出现 alkene
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