V2EX hexamethyldisilazane

Hexamethyldisilazane

释义 Definition

六甲基二硅氮烷(HMDS):一种常用的有机硅试剂,化学式 (MeSi)NH。在有机合成中多用于硅烷化(silylation)/引入三甲基硅基(TMS),也常作为温和的碱或氨等价体参与反应;在材料与表面处理中也可用作疏水化/表面改性试剂。该词在不同领域还可能涉及更具体用途(如半导体光刻工艺中的表面处理)。

发音 Pronunciation (IPA)

/hksmθaldslzen/

例句 Examples

HMDS is used to protect alcohols during synthesis.
HMDS 常用于在合成过程中保护醇羟基。

Under anhydrous conditions, hexamethyldisilazane can generate a trimethylsilylated intermediate that improves volatility and stability for analysis.
在无水条件下,六甲基二硅氮烷可生成三甲基硅化的中间体,从而提高分析时的挥发性与稳定性。

词源 Etymology

该词为化学系统命名的组合:hexa-(六)+ methyl(甲基)+ di-(二)+ silazane(硅氮烷,指含 SiN 键的一类化合物)。整体意思即含六个甲基二硅氮烷”。

相关词 Related Words

文学与典籍 Literary Works

  • Protective Groups in Organic Synthesis(Greene & Wuts):在硅基保护与硅烷化试剂章节中常提及 HMDS。
  • March’s Advanced Organic Chemistry:讨论有机反应机理与试剂时会涉及 HMDS 相关的硅烷化应用。
  • Fieser and Fieser’s Reagents for Organic Synthesis:作为有机合成常用试剂条目/索引中可见 HMDS。
  • Organic Syntheses(期刊/丛书):部分实验步骤与制备方法中会出现 HMDS 用作硅烷化或处理试剂。
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