V2EX anomeric

Anomeric

Definition / 释义

变旋碳(的);异头(的):指糖类环状结构中由羰基碳变成的新手性中心(变旋碳/异头碳)及其相关位置(如异头位异头羟基)。该位置常决定 α/β 变旋异构体(anomers) 的差异。

Examples / 例句

Glucose has an anomeric carbon at C1.
葡萄糖在 C1 位有一个变旋碳。

In solution, the anomeric hydroxyl can interconvert between the α and β forms through mutarotation.
在溶液中,异头位的羟基可通过变旋作用在 α 与 β 形式之间相互转化。

Pronunciation / 发音

/nmrk/

Etymology / 词源

anomeric 来自 anomer(变旋异构体)+ 形容词后缀 -ic。其中 anomer 源于希腊语构词:ana-(“再、向上、改变”之意)与 meros(“部分”)相关,用来描述糖在环化后于异头位产生的构型差异(α/β)。

Related Words / 相关词

Notable Works / 著名作品(用例)

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)讲解糖类的异头碳、α/β 变旋异构与糖苷键时常用到 anomeric
  • Organic Chemistry by Clayden, Greeves & Warren(《克莱登有机化学》)在缩醛/半缩醛、糖化学与立体化学章节中使用 anomeric(如 anomeric carbon/effect)。
  • Essentials of Glycobiology(《糖生物学精要》)讨论糖链结构、糖苷键形成与构型命名时频繁出现 anomeric
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