V2EX vicinal diol

Vicinal Diol

Definition / 定义

vicinal diol邻位二醇(也称“邻二醇”),指在同一分子中,两个羟基(OH)连接在相邻的两个碳原子上的二醇结构(常写作 1,2-diol)。在有机合成中常见于烯烃的二羟化产物等。(该词在化学语境下最常用;在不同结构体系中也可能有更具体的命名方式。)

Pronunciation / 发音(IPA)

/vsnl dal/

Examples / 例句

Ethylene glycol is a vicinal diol.
乙二醇是一种邻位二醇。

The osmium-catalyzed dihydroxylation of an alkene often yields a syn vicinal diol with high stereoselectivity.
烯烃在锇催化的二羟化反应中常生成顺式(syn)邻位二醇,并具有较高的立体选择性。

Etymology / 词源

vicinal 来自拉丁语 vicinus,意为“邻近的、相邻的”,在化学中用来强调“位于相邻原子/位置”。diol 由前缀 **di-**(“两个”)加上 -ol(表示醇类/含羟基的有机化合物的后缀)构成,合起来就是“含两个羟基的醇”。因此 vicinal diol 字面意思就是“相邻位置上的二醇”。

Related Wrds / 相关词汇

Literary Works / 文献与著作中的出现

  • March’s Advanced Organic Chemistry(March,高等有机化学经典参考书;讨论邻位二醇的形成与反应性)
  • Organic Chemistry(Clayden, Greeves & Warren;常在烯烃二羟化、立体化学章节出现“vicinal diol”)
  • Organic Chemistry(Morrison & Boyd;涉及1,2-二醇及其反应)
  • Vogel’s Textbook of Practical Organic Chemistry(Vogel;实验与制备部分常涉及二醇/邻二醇相关内容)
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