V2EX trimethylsilyl

Trimethylsilyl

定义 Definition

trimethylsilyl(常缩写为 TMS):有机硅化学中常见的取代基/官能团,结构为 Si(CH)。常用于保护基(例如保护醇、胺等官能团)或用于引入/调控分子反应性与挥发性(如在分析化学中进行硅烷化衍生)。

发音 Pronunciation (IPA)

/tramθlsall/

例句 Examples

The alcohol was protected as a trimethylsilyl ether.
该醇被转化为三甲基硅醚形式进行保护。

Under mild conditions, trimethylsilyl groups can be introduced to increase volatility for GC analysis and later removed to regenerate the original functional group.
在温和条件下,可引入三甲基硅基以提高样品用于气相色谱分析的挥发性,之后再脱除以恢复原有官能团。

词源 Etymology

该词由三部分构成:tri-(三) + methyl(甲基) + silyl(硅基)。意思是“带有三个甲基的硅基”。其中 silyl 来自 silicon(硅) 的词根形式,用来表示“含硅的取代基”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Greene & Wuts, Protective Groups in Organic Synthesis(保护基经典工具书,频繁讨论 TMS 保护与脱保护)
  • March, March’s Advanced Organic Chemistry(高级有机反应与机理中常涉及含三甲基硅基底物/中间体)
  • Organic Syntheses(多篇实验步骤中使用 “trimethylsilyl” 作为保护基或试剂片段描述)
  • Clayden, Greeves & Warren, Organic Chemistry(教材中常在保护基与官能团互变章节出现)
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