V2EX tert-butyl

Tert-butyl

释义 Definition(中文)

tert-butyl(叔丁基):有机化学中的一种烷基取代基,结构为 (CH)C,来源于异丁烷去掉一个氢后形成;“tert-”表示该基团连接点所在的碳是三级碳(tertiary carbon)。常见于有机合成、药物分子与高分子材料中。
(也常写作 t-Bu。)

发音 Pronunciation (IPA)

/tt bjutl/

例句 Examples

Tert-butyl groups can make a molecule more bulky.
叔丁基会让分子在空间上更“拥挤”(位阻更大)。

In this reaction, the tert-butyl substituent helps block unwanted side reactions by increasing steric hindrance near the reactive center.
在这个反应中,叔丁基取代基通过增加反应中心附近的空间位阻,帮助阻止不需要的副反应。

词源 Etymology(中文)

tert- 来自 tertiary(第三的/三级的),在有机化学命名里指连接点是三级碳butyl 来自 butane(丁烷) 的词根,表示含四个碳的烷基。合起来 tert-butyl 就是“连接在三级碳上的丁基”,即 (CH)C

相关词 Related Words

文学与著作 Literary Works(出现示例)

  • 《Organic Chemistry》(Clayden, Greeves & Warren):在讨论位阻、取代基效应与反应选择性时频繁出现 tert-butyl
  • 《March’s Advanced Organic Chemistry》(March / Smith):在机理与立体效应章节中常用 tert-butyl 作为典型“大体积取代基”例子。
  • IUPAC《Nomenclature of Organic Chemistry》(Blue Book):在系统命名与保留名/常用前缀(如 *tert-*)相关内容中涉及 tert-butyl 的用法。
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