V2EX alkyllithium

Alkyllithium

释义 Definition

烷基锂(烷基锂试剂):一类有机锂化合物,通式常写作 RLi(R 为烷基)。它们通常是强碱、强亲核试剂,常用于有机合成中的去质子化、加成反应与金属-卤素交换等。(在不同语境下也可泛指“有机锂试剂”的烷基类型。)

发音 Pronunciation (IPA)

/lkallθim/

词源 Etymology

alkyl(烷基) + lithium(锂) 组合而成。名称直接描述了其结构特征:烷基与锂元素相连的化合物;属于“有机金属(organometallic)”化学命名体系中的常见构词方式。

例句 Examples

Alkyllithium reagents must be handled under dry conditions.
烷基锂试剂必须在干燥条件下操作。

Because alkyllithium compounds are both strong bases and nucleophiles, chemists often use them to generate carbanion-like intermediates for carboncarbon bond formation.
由于烷基锂化合物既是强碱又是强亲核试剂,化学家常用它们生成类似碳负离子的中间体,用于构建碳碳键。

相关词 Related Words

文学与著作中的用例 Literary Works & Notable Sources

  • Organic Chemistry(Clayden, Greeves & Warren)
  • Advanced Organic Chemistry(March / 以及 Carey & Sundberg 等经典高阶教材版本中相关章节)
  • Organolithiums: Selectivity for Synthesis(专著:有机锂选择性与合成应用主题)
  • Comprehensive Organic Synthesis(综合有机合成参考书中关于有机锂试剂的条目)
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