V2EX benzylic

Benzylic

定义 Definition

benzylic(苄基位的/苄位的):指与苯环相邻的那个碳原子(苄位),或发生在该位置上的结构与反应。例如,苯环旁边的 CH 常被称为 benzylic carbon(苄位碳)。

例句 Examples

The hydrogen on the benzylic carbon is easier to replace.
苄位碳上的氢更容易被取代。

Benzylic oxidation can convert an alkyl group next to a benzene ring into a carboxylic acid under strong conditions.
在较强条件下,苄位氧化可以把苯环旁的烷基转化为羧酸。

发音 Pronunciation (IPA)

/bnzlk/

词源 Etymology

benzylic 来自 benzyl(苄基) + -ic(……的)。其中 benzylbenzene(苯) 同源,表示“与苯环相关的结构”;加上形容词后缀 -ic 后,形成“与苄基/苄位相关的”这一化学术语。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren):在讲解苄位取代、苄位自由基与稳定性时常出现 benzylic
  • March’s Advanced Organic Chemistry(Michael B. Smith;早期版本署名含 March):讨论反应机理与位点选择性时频繁使用 benzylic position/benzylic hydrogen
  • Advanced Organic Chemistry(Carey & Sundberg):在自由基反应、氧化与重排等章节中使用 benzylic 描述苄位反应特征。
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