V2EX butyl

Butyl

Definition / 释义

Butyl丁基;有机化学中指由丁烷(CH)去掉一个氢原子形成的烷基取代基,通式为 CH。常见异构形式包括 n-butyl(正丁基)sec-butyl(二级丁基)isobutyl(异丁基)tert-butyl(叔丁基)

Pronunciation / 发音

/bjutal/

Examples / 例句

This solvent contains butyl acetate.
这种溶剂含有乙酸丁酯

Researchers replaced the methyl group with a tert-butyl group to improve the molecule’s stability and reduce side reactions.
研究人员用叔丁基取代甲基,以提高分子稳定性并减少副反应。

Etymology / 词源

butyl 来自化学命名传统:源头与 butyric(丁酸的)相关,而 butyric 又来自拉丁语 butyrum(“黄油”),因为丁酸最早与黄油酸败气味相关;后缀 -yl 是化学中表示“基/取代基”的常用词缀,因此 butyl 表示“丁基”。

Related Words / 相关词

Literary Works / 文学作品

  • Organic Chemistry(Clayden, Greeves & Warren):在取代基与反应机理章节中频繁出现 butyl / tert-butyl 等基团术语。
  • March’s Advanced Organic Chemistry(Michael B. Smith / 经典版系):在讨论立体效应与反应选择性时常用 tert-butyl 作为代表性体积庞大的取代基示例。
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