V2EX aryl

Aryl

释义 Definition

aryl(芳基):有机化学中指由芳香烃(如苯)去掉一个氢原子后形成的取代基/基团,常记作 Ar。例如:苯基(phenyl, CH)就是最常见的芳基之一。(也可更广泛指来自任何芳香环体系的取代基。)

发音 Pronunciation (IPA)

/rl/

例句 Examples

An aryl group can change the odor of a molecule.
芳基可以改变一个分子的气味。

In this reaction, an aryl halide couples with an alkene under a palladium catalyst.
在这个反应中,芳基卤化物在钯催化剂作用下与烯烃发生偶联。

词源 Etymology

aryl 来自 **ar-**(源于 aromatic “芳香的”)+ -yl(化学命名中表示“基/取代基”的后缀,如 methyl 甲基、ethyl 乙基)。因此 aryl 字面意思就是“芳香(环)上的取代基”。

相关词 Related Words

文学与典籍 Literary Works

  • March’s Advanced Organic Chemistry(高级有机化学经典教材中大量使用 aryl 讨论芳基取代与反应性)
  • Organic Chemistry(Clayden, Greeves & Warren)(以 Ar 作为通用芳基符号,讲解亲电芳香取代与偶联反应)
  • IUPAC Nomenclature of Organic Chemistry(IUPAC 有机化学命名规则中用于系统命名与结构描述)
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