V2EX benzyl

Benzyl

释义 Definition

苄基:有机化学中的一个取代基,结构为 CHCH(可理解为“苯环-CH-”)。常见于许多化合物命名中,如 benzyl alcohol(苄醇)、benzyl chloride(苄氯)。在某些语境下也可指苄基自由基(benzyl radical)。

发音 Pronunciation (IPA)

/bnzal/

例句 Examples

Benzyl alcohol is used in some medicines and cosmetics.
苄醇用于一些药品和化妆品中。

The synthesis involves benzyl protection of the hydroxyl group, followed by selective deprotection under mild conditions.
该合成步骤先用苄基保护羟基,随后在温和条件下进行选择性脱保护。

词源 Etymology

benzyl 来自 **benz-**(与 benzene “苯”相关的词根)加上化学命名中常见的后缀形式,用来表示与苯相关的一类基团。它特指“苯环连接一个亚甲基(CH)”形成的取代基,即 CHCH,中文对应“苄-”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Organic Chemistry(Clayden, Greeves, Warren):在保护基与苄位反应章节中频繁出现 benzyl
  • March’s Advanced Organic Chemistry(Smith & March):讨论苄基/苄位稳定性与反应机理时使用该术语。
  • Vogel’s Textbook of Practical Organic Chemistry:实验操作与试剂部分常见 benzyl 类化合物名称。
  • The Merck Index:在化合物条目(如苄醇、苄氯等)中大量出现 benzyl
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