V2EX diphenyl

Diphenyl

Definition 定义

Diphenyl(也常称 biphenyl)指“联苯”:由两个苯环通过单键连接而成的有机化合物,分子式 CH。在有机化学中常作为芳香族化合物、取代反应与材料相关研究的基础结构。(在某些语境中也可作形容词,表示“二苯基的/含二苯基的”。)

Pronunciation 发音(IPA)

/dafnl/

Examples 例句

Diphenyl is also known as biphenyl.
联苯也被称为二苯基(biphenyl)。

In the synthesis, a diphenyl intermediate forms before the final coupling step, affecting the product’s yield and purity.
在该合成中,最终偶联步骤之前会形成一个联苯中间体,从而影响产物的收率与纯度。

Etymology 词源

di- 表示“二、两个”,phenyl 来自 phen-(与“苯/酚”相关的词根演变)加上化学命名中表示取代基的 -yl。合起来字面意思是“两个苯基”,对应其结构特征:两个苯环相连。

Related Words 相关词汇

Notable Works 著名作品(出现语境)

  • The Merck Index(默克索引,化学品与药物工具书中常收录联苯条目)
  • Ullmann’s Encyclopedia of Industrial Chemistry(工业化学百科全书中涉及联苯及其工业用途)
  • Organic Chemistry(Clayden, Greeves & Warren,有机化学教材中常以联苯/二苯基结构作芳香体系示例)
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