V2EX semicarbazone

Semicarbazone

释义 Definition

半卡巴腙:由羰基化合物(醛或酮)与半卡巴肼(semicarbazide)缩合生成的一类衍生物,常用于鉴定/表征醛酮、形成结晶衍生物,或在有机合成与分析化学中作为中间体。(该词也可泛指“半卡巴腙衍生物”。)

发音 Pronunciation (IPA)

/smkrbzon/

例句 Examples

Acetone forms a semicarbazone in the presence of semicarbazide.
丙酮在半卡巴肼存在下会生成半卡巴腙。

After recrystallization, the semicarbazone derivative gave a sharp melting point, helping confirm the identity of the unknown aldehyde.
重结晶后,该半卡巴腙衍生物呈现尖锐的熔点,有助于确认未知醛的身份。

词源 Etymology

semicarbazone 由 **semi-**(“半、部分”)+ carbazone(与“carbazide/碳酰二肼类”相关的构词)组成,指“由半卡巴肼形成的腙”。其中 -one / -one 相关化学词尾常见于有机化合物命名体系中;整体意思即“(醛/酮)与半卡巴肼形成的腙类化合物”。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Vogel’s Textbook of Practical Organic Chemistry(讨论用半卡巴腙等衍生物鉴定羰基化合物)
  • March’s Advanced Organic Chemistry(在羰基化合物衍生化与反应机理相关章节中提及)
  • Fieser and Fieser: Reagents for Organic Synthesis(收录半卡巴肼/半卡巴腙相关试剂与用途说明)
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