它们都是手性分子，属于外消旋体。
然后经酸性水解得苯丙氨酸消旋体。
After acidic hydrolysis, phenylalanine was obtained with total yield of 62.5%.
指出了内消旋体消旋原因传统解释的不合理性。
For the reason why optical activity of mesomer is counteracted classical answer was not convincing.
本文综述了采用各种膜拆分外消旋体的研究进展。
This article reviews some kinds of resolution methods of raceme based on membrane processes.
外消旋体拆分是获得单一手性化合物的重要途径。
Raceme separation is the main rout for preparation of pure enantiomers.
对外消旋体进行拆分是获得手性药物的重要方法。
Significant progresses in developing the techniques of chiral resolution offer possibilities in the preparation of new chiral compounds.
外消旋体的动力学拆分反应是制备手性化合物的重要方法之一。
The kinetic resolution of raceme is one of the important ways in the synthesis of chiral compounds.
萃取拆分技术适用性强、于连续拆分有望成为外消旋体拆分分离操作的先进技术。
It is hopeful that the extraction separation method will become the advanced technique for the racemates separation.
利用外消旋体进行化学-酶催化动态动力学拆分是制备单一手性化合物的有效手段之一。
The chemoenzymatic dynamic kinetic resolution(DKR) of racemates is one of the efficient ways in the preparation of single chiral compounds.
当手性药物以外消旋体供药用时，其对映体间就可能发生药效学和药代动力学的相互作用。
Pharmacological interactions between the enantiomers may happen when a chiral drug was used as its racemate.
方法分析加兰他敏野生资源分布与人工栽培，及其外消旋体与对映体的化学合成进展状况。
METHODS: Comprehensivelly analyzing the status of the wildlife and the planting herb resource of galantamine, and the progress of synthesizing racemized galantamine and it's enantiomer.
从螺旋理论看，芳香轮烯和非芳香轮烯都是内消旋体和外消旋体的混合物，故都不呈现旋光性。
In the light of the helix theory, aromatic annulenes and non-aromatic annulcncs are all the mixture of the mesomer and raceme, so they haven't opticity activeity.
本文讨论了路易斯酸及路易斯碱催化体系在外消旋体(动态)动力学拆分反应中应用的最新进展。
Recent progress in the applications of non-enzymatic system about Lewis acid and base to (dynamic) kinetic resolution reactions of racemes is reviewed.
外消旋体、（R）-异构体和（S）-异构体具有相同的化学结构式，具有不同的立体结构和旋光性能。
The raceme, the (R)-isomer and the (S)-isomer are identical in chemical structural formula but different in stereostructure and optical rotation performance.
聚合物作为高效液相色谱的固定相，消旋体酮洛芬在固定相能分开，同时聚合物还能将酮洛芬和布洛芬的混合物分开。
Racemic ketoprofen was separated when the polymer was used as a stationary phase of high performance liquid chromatography. The mixture of ketoprofen and ibuprofen were also separated by this polymer.
外消旋体拆分是获取单一对映体药物的主要方法，将主客化学引入化学拆分发明的包结拆分法突破了经典拆分方法的局限；
The main method used to obtain monoenantiotropic drugs is resolution of raceme. Resolution inclusion method breaks through the limitation of classical resolutions by introducing host guest chemistry.
以有机碱为催化剂 ，通过三唑三甲基丙酮与2 ，4-二氯苯甲醛的反应 ，合成了具有生物活性的外消旋体化合物烯唑醇。
By using alkalamides as the catalyst, diniconazole has been synthesized by the reaction of triazolyl-trimethylacetone and 2,4-dichlorobenzaldehyde.
本文综述了外消旋体的拆分方法，包括机械拆分法、化学拆分法、生物化学拆分法、 色谱拆分法、萃取拆分法、膜拆分法等六大类方法。
This article reviews resolution methods of raceme which includes six categories, such as mechanical , chemical, biochemical, chromato-graphic, extractive and membranous methods.
同时本论文也对拆分后的R型异构体进行转变消旋而重回收。
At the same time, this paper also split the R-isomer of racemic to change and re-recovery.
在许多情况下，外消旋药物中的单一对映体分别具有不同的疗效，有的甚至有相反的作用。
In many cases, racemic drug's single antipode has different curative effect, sometimes it even has adverse action.
在一些动态动力学拆分中，消旋酶还可以催化对映异构体之间发生互变。
In some dynamic kinetic resolutions, racemase can be used to interconvert the enantiomers.
本发明公开了一种外消旋化舍曲林异构体的方法。
The invention discloses a method for the racemization of sertraline isomer.
本发明公开了一种外消旋化舍曲林异构体的方法。
The invention discloses a method for the racemization of sertraline isomer.
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