V2EX dihydroxylation

Dihydroxylation

定义 Definition

dihydroxylation(邻二羟基化/二羟基化):有机化学中的一种反应类型,指在烯烃(C=C)等不饱和键上引入两个羟基(OH),生成1,2-二醇(vicinal diol,邻二醇)。常见方法包括用OsO(四氧化锇)或相关体系进行加成;有时也可通过其他氧化体系实现。该词在不同语境下也可能泛指“引入两个羟基”的过程。

发音 Pronunciation (IPA)

/dahadrkslen/

例句 Examples

Dihydroxylation converts an alkene into a diol.
二羟基化可以把烯烃转化为二醇。

The syn dihydroxylation of the double bond provided the vicinal diol with high stereoselectivity.
该双键的同面二羟基化以很高的立体选择性生成了邻二醇。

词源 Etymology

该词由三部分构成:**di-**(“两个”)+ hydroxyl(“羟基”)+ -ation(表示“过程/作用”的名词后缀)。字面意思就是“引入两个羟基的过程”。在有机合成语境中,它常与“烯烃加成”“生成邻二醇”“立体选择性(syn/anti)”等概念一起出现。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • March’s Advanced Organic Chemistry(高级有机化学参考书中常在烯烃氧化章节讨论 dihydroxylation)
  • Organic Chemistry(Clayden, Greeves & Warren,《有机化学》教材中常用于描述烯烃到邻二醇的转化)
  • Sharpless 等关于不对称二羟基化(Sharpless asymmetric dihydroxylation)的经典论文(学术文献中高频出现该术语)
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