V2EX pyrazole

Pyrazole

Definition / 定义

Pyrazole(吡唑):一种五元芳香杂环,环上含有两个相邻的氮原子(1,2-二氮杂环),常见母体分子式为 CHN。吡唑骨架常用于药物农用化学品的结构设计与合成。(注:在有机化学中也常讨论其各种取代物,如“pyrazoles/取代吡唑”。)

Pronunciation / 发音

/parzol/

Examples / 例句

Pyrazole is a five-membered ring with two adjacent nitrogen atoms.
吡唑是一个含有两个相邻氮原子的五元环。

In medicinal chemistry, a pyrazole ring can be introduced to tune a compound’s potency and metabolic stability.
在药物化学中,常通过引入吡唑环来调节化合物的效力与代谢稳定性。

Etymology / 词源

pyrazole 是19世纪末以来化学命名体系中的术语,来源于欧洲语言中的化学命名传统;词形由表示含氮杂环的构词元素 pyraz- 与常见杂环后缀 -ole 组合而成,用以指代这一类不饱和五元含氮杂环结构。该词更多属于科学命名,并非日常词汇自然演化而来。

Related Words / 相关词

Literary Works / 文学作品

  • March’s Advanced Organic Chemistry(关于含氮杂环与相关反应中常出现“pyrazole”条目)
  • Organic Chemistry(Clayden, Greeves & Warren;杂环化学章节常提及吡唑及其衍生物)
  • Heterocyclic Chemistry(Joule & Mills;系统讨论吡唑等杂环)
  • The Merck Index(药物与化学品条目中频繁出现含吡唑结构的化合物描述)
  • Fieser and Fieser’s Reagents for Organic Synthesis(涉及构建吡唑/相关杂环的试剂与方法时会出现该词)
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