racemization

Racemization is found with optically active substrates.

发现旋光基质有外消旋作用.

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In the reaction mechanism of unimolecular nucleophilic substitution ( SN1), it can produce carbocations which can easily lead to the racemization of the products.

由于单分子亲核取代反应（SN1）经过了碳正离子中间体的历程，所以得到的产物是外消旋的。

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L-Glutamic acid ( Glu ) racemization research is of great importance for the preparation of optical pure D-Glu.

L - 谷氨酸消旋化反应对于制备光学纯D - 谷氨酸具有重要的意义.

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racemization is the conversion of an optically active form of a compound into a racemic mixture;

外消旋作用是把一种化合物的光学活性形式转化为外消旋的混合物；

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The ee values of the final products were very close to those of α-hydroxy ketones, which indicated that no racemization occurred in the substitution.

最终产物的ee值与中间体α-羟基酮十分接近，表明在所发生的亲核取代反应中基本没有消旋化得现象发生。

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The water in carboxylic acid decreased the rate of racemization.

在羧酸溶剂中有水存在会降低消旋反应速率。

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Determination of Degree of Racemization of Aspartic Acid in Dentine Comparison of Chiral Capillary Gas Chromatography with High Performance Liquid Chromatography

牙本质中天冬氨酸消旋化程度的测定&手性毛细管气相色谱法与高效液相色谱法的比较

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