V2EX amidine

Amidine

Definition / 释义

amidine(胍脒/脒类化合物):有机化学中的一类含氮官能团/化合物,一般结构可写作 RC(=NH)NH(或其取代形式)。它常被视为羧酸衍生物的一种,性质上多表现为碱性(比普通酰胺更容易接受质子)。除这一常见化学义项外,在不同语境中还可指具体的“脒”化合物名称。

Pronunciation / 发音

/mdin/

Examples / 例句

Amidines are often used to make pharmaceuticals.
脒类化合物常用于制药。

Because the amidine group is relatively basic, it can form stable salts in acidic conditions, which helps improve a drug’s solubility.
由于脒基相对偏碱性,它在酸性条件下可形成稳定的盐,这有助于提高药物的溶解度。

Etymology / 词源

amidine 来自 amide(酰胺) 这一词根加上表示“相关化合物/类别”的后缀构成,用于命名与酰胺在结构上相近但含氮形式不同的一类官能团。早期化学命名中常以“已知官能团名称 + -ine/-idine”等方式扩展,形成对化合物家族的系统称呼。

Related Words / 相关词

Notable Works / 文献与作品

  • March’s Advanced Organic Chemistry(涉及脒/脒盐的反应性与机理讨论)
  • Clayden, Greeves and Warren: Organic Chemistry(有机官能团章节中提及脒及其碱性与衍生化)
  • The Merck Index(作为化学与药物条目检索来源,收录多种含脒结构的化合物信息)
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