V2EX epimerize

Epimerize

释义 Definition

(化学/生物化学)使发生差向异构化;使成为差向异构体:指让一个分子在仅一个手性中心(立体中心)上的构型发生改变,从而把一种差向异构体转变为另一种(如糖类中的某一位碳原子构型翻转)。

发音 Pronunciation

/pmraz/

例句 Examples

Enzymes can epimerize certain sugars in the body.
酶可以在体内使某些糖发生差向异构化。

Under alkaline conditions, the compound may epimerize at C-2, producing a mixture of epimers that changes the reaction outcome.
在碱性条件下,该化合物可能在 C-2 位发生差向异构化,生成差向异构体混合物,从而改变反应结果。

词源 Etymology

epimerize 来自 epimer(差向异构体)+ 动词后缀 -ize(使……化/使成为……)。而 epimer 源于希腊语构词:**epi-**(“在……之上/附加”)+ meros(“部分”),用来强调它与另一异构体只在“某一部分”(一个手性中心)不同。

相关词 Related Words

文学与著作 Literary Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)(在糖类代谢与差向异构酶相关章节中常出现 epimerize/epimerization
  • Biochemistry(Berg, Tymoczko & Stryer,《生物化学》)(讲述糖的互变与差向异构酶时常用该词)
  • Carbohydrate Research(期刊《碳水化合物研究》)(大量关于糖类构型变化与差向异构化反应的论文中常见该词)
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